├── .github ├── dependabot.yml └── workflows │ └── quarkus-build-test.yml ├── .gitignore ├── .mvn └── wrapper │ ├── MavenWrapperDownloader.java │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── LICENSE ├── README.md ├── mvnw ├── mvnw.cmd ├── package-lock.json ├── package.json ├── pom.xml ├── screenshot.jpg ├── src └── main │ ├── frontend │ ├── components │ │ ├── Message.tsx │ │ └── MessageList.tsx │ ├── index.html │ ├── themes │ │ └── customer-support-agent │ │ │ ├── styles.css │ │ │ └── theme.json │ └── views │ │ └── @index.tsx │ ├── java │ └── org │ │ └── vaadin │ │ └── marcus │ │ ├── Application.java │ │ ├── client │ │ ├── AssistantService.java │ │ ├── BookingService.java │ │ └── package-info.java │ │ ├── data │ │ ├── Booking.java │ │ ├── BookingClass.java │ │ ├── BookingData.java │ │ ├── BookingStatus.java │ │ ├── Customer.java │ │ └── package-info.java │ │ ├── langchain4j │ │ ├── DocumentationIngestor.java │ │ ├── LangChain4jAssistant.java │ │ ├── LangChain4jConfig.java │ │ └── LangChain4jTools.java │ │ └── service │ │ ├── BookingDetails.java │ │ └── FlightService.java │ └── resources │ ├── META-INF │ └── resources │ │ ├── icons │ │ └── icon.png │ │ └── images │ │ └── empty-plant.png │ ├── application.properties │ ├── banner.txt │ └── terms-of-service.txt ├── tsconfig.json ├── types.d.ts └── vite.config.ts /.github/dependabot.yml: -------------------------------------------------------------------------------- 1 | version: 2 2 | updates: 3 | - package-ecosystem: maven 4 | directory: / 5 | schedule: 6 | interval: daily 7 | target-branch: quarkus 8 | 9 | - package-ecosystem: github-actions 10 | directory: / 11 | schedule: 12 | interval: daily 13 | target-branch: quarkus -------------------------------------------------------------------------------- /.github/workflows/quarkus-build-test.yml: -------------------------------------------------------------------------------- 1 | name: Quarkus build and test 2 | 3 | on: 4 | push: 5 | branches: 6 | - quarkus 7 | paths-ignore: 8 | - '**/*.md' 9 | - '.github/dependabot.yml' 10 | - '.github/workflows/quarkus-build-test.yml' 11 | pull_request: 12 | branches: 13 | - quarkus 14 | paths-ignore: 15 | - '**/*.md' 16 | - '.github/dependabot.yml' 17 | - '.github/workflows/quarkus-build-test.yml' 18 | workflow_dispatch: 19 | 20 | concurrency: 21 | group: "workflow = ${{ github.workflow }}, ref = ${{ github.event.ref }}, pr = ${{ github.event.pull_request.id }}" 22 | cancel-in-progress: ${{ github.event_name == 'pull_request' }} 23 | 24 | jobs: 25 | jvm-build-test: 26 | runs-on: ubuntu-latest 27 | strategy: 28 | fail-fast: false 29 | matrix: 30 | java: 31 | - '17' 32 | - '21' 33 | services: 34 | ollama: 35 | image: ollama/ollama 36 | ports: 37 | - 11434:11434 38 | name: "jvm-build-test-${{ matrix.java }}" 39 | steps: 40 | - uses: actions/checkout@v4 41 | 42 | - name: Setup Java ${{ matrix.java }} 43 | uses: actions/setup-java@v4 44 | with: 45 | java-version: ${{ matrix.java }} 46 | distribution: temurin 47 | cache: maven 48 | 49 | - name: Install playwright dependencies 50 | run: | 51 | sudo npx playwright install-deps 52 | npx playwright install 53 | 54 | - name: "build-test-jvm-java${{ matrix.java }}" 55 | run: | 56 | ./mvnw -B clean verify \ 57 | -Dquarkus.profile=ollama \ 58 | -Dquarkus.test.profile=ollama,test \ 59 | -Dquarkus.test.integration-test-profile=ollama,prod \ 60 | -Dquarkus.http.host=0.0.0.0 \ 61 | -Dmaven.compiler.release=${{ matrix.java }} -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | .gradle 3 | build/ 4 | !**/src/main/**/target/ 5 | !**/src/test/**/target/ 6 | !**/src/main/**/build/ 7 | !**/src/test/**/build/ 8 | 9 | # The following files are automatically generated/updated 10 | node_modules/ 11 | frontend/generated/ 12 | .npmrc 13 | vite.generated.ts 14 | 15 | # Eclipse and STS 16 | .apt_generated 17 | .classpath 18 | .factorypath 19 | .project 20 | .settings 21 | .springBeans 22 | .sts4-cache 23 | 24 | # IntelliJ IDEA 25 | .idea 26 | *.iws 27 | *.iml 28 | *.ipr 29 | out/ 30 | !**/src/main/**/out/ 31 | !**/src/test/**/out/ 32 | 33 | # NetBeans 34 | /nbproject/private/ 35 | /nbbuild/ 36 | /dist/ 37 | /nbdist/ 38 | /.nb-gradle/ 39 | 40 | # VS Code 41 | .vscode/ 42 | 43 | # Eclipse store 44 | storage/ 45 | 46 | src/main/frontend/generated/ -------------------------------------------------------------------------------- /.mvn/wrapper/MavenWrapperDownloader.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2007-present the original author or authors. 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | import java.io.*; 17 | import java.net.*; 18 | import java.nio.channels.*; 19 | import java.util.Properties; 20 | 21 | public class MavenWrapperDownloader { 22 | 23 | private static final String WRAPPER_VERSION = "0.5.6"; 24 | /** 25 | * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is 26 | * provided. 27 | */ 28 | private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" 29 | + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; 30 | 31 | /** 32 | * Path to the maven-wrapper.properties file, which might contain a downloadUrl 33 | * property to use instead of the default one. 34 | */ 35 | private static final String MAVEN_WRAPPER_PROPERTIES_PATH = ".mvn/wrapper/maven-wrapper.properties"; 36 | 37 | /** 38 | * Path where the maven-wrapper.jar will be saved to. 39 | */ 40 | private static final String MAVEN_WRAPPER_JAR_PATH = ".mvn/wrapper/maven-wrapper.jar"; 41 | 42 | /** 43 | * Name of the property which should be used to override the default download 44 | * url for the wrapper. 45 | */ 46 | private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; 47 | 48 | public static void main(String args[]) { 49 | System.out.println("- Downloader started"); 50 | File baseDirectory = new File(args[0]); 51 | System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); 52 | 53 | // If the maven-wrapper.properties exists, read it and check if it contains a 54 | // custom 55 | // wrapperUrl parameter. 56 | File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); 57 | String url = DEFAULT_DOWNLOAD_URL; 58 | if (mavenWrapperPropertyFile.exists()) { 59 | FileInputStream mavenWrapperPropertyFileInputStream = null; 60 | try { 61 | mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); 62 | Properties mavenWrapperProperties = new Properties(); 63 | mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); 64 | url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); 65 | } catch (IOException e) { 66 | System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); 67 | } finally { 68 | try { 69 | if (mavenWrapperPropertyFileInputStream != null) { 70 | mavenWrapperPropertyFileInputStream.close(); 71 | } 72 | } catch (IOException e) { 73 | // Ignore ... 74 | } 75 | } 76 | } 77 | System.out.println("- Downloading from: " + url); 78 | 79 | File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); 80 | if (!outputFile.getParentFile().exists()) { 81 | if (!outputFile.getParentFile().mkdirs()) { 82 | System.out.println( 83 | "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); 84 | } 85 | } 86 | System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); 87 | try { 88 | downloadFileFromURL(url, outputFile); 89 | System.out.println("Done"); 90 | System.exit(0); 91 | } catch (Throwable e) { 92 | System.out.println("- Error downloading"); 93 | e.printStackTrace(); 94 | System.exit(1); 95 | } 96 | } 97 | 98 | private static void downloadFileFromURL(String urlString, File destination) throws Exception { 99 | if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { 100 | String username = System.getenv("MVNW_USERNAME"); 101 | char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); 102 | Authenticator.setDefault(new Authenticator() { 103 | @Override 104 | protected PasswordAuthentication getPasswordAuthentication() { 105 | return new PasswordAuthentication(username, password); 106 | } 107 | }); 108 | } 109 | URL website = new URL(urlString); 110 | ReadableByteChannel rbc; 111 | rbc = Channels.newChannel(website.openStream()); 112 | FileOutputStream fos = new FileOutputStream(destination); 113 | fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); 114 | fos.close(); 115 | rbc.close(); 116 | } 117 | 118 | } 119 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/marcushellberg/java-ai-playground/a06ad993326770921e496bc20e26802363e1728c/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | # Licensed to the Apache Software Foundation (ASF) under one 2 | # or more contributor license agreements. See the NOTICE file 3 | # distributed with this work for additional information 4 | # regarding copyright ownership. The ASF licenses this file 5 | # to you under the Apache License, Version 2.0 (the 6 | # "License"); you may not use this file except in compliance 7 | # with the License. You may obtain a copy of the License at 8 | # 9 | # http://www.apache.org/licenses/LICENSE-2.0 10 | # 11 | # Unless required by applicable law or agreed to in writing, 12 | # software distributed under the License is distributed on an 13 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 14 | # KIND, either express or implied. See the License for the 15 | # specific language governing permissions and limitations 16 | # under the License. 17 | distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip 18 | wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar 19 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2024 Marcus Hellberg 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Java AI library comparison app 2 | 3 | ![A browser window with a chatbot and a data grid displaying flight booking details](screenshot.jpg) 4 | 5 | This app is an AI-powered customer support application that: 6 | 7 | - Has access to terms and conditions (retrieval augmented generation, RAG) 8 | - Can access tools (Java methods) to perform actions 9 | - Uses an LLM to interact with the user 10 | 11 | The application includes implementations for: 12 | 13 | - [LangChain4j](https://github.com/langchain4j/langchain4j) in the `main` branch 14 | - [Quarkus](https://quarkus.io) in the `quarkus` branch (thanks to [@edeandrea](https://github.com/edeandrea)!) 15 | - [Spring AI](https://spring.io/projects/spring-ai/) in the `spring-ai` branch (thanks to [@tzolov](https://github.com/tzolov)!) 16 | - [Semantic Kernel](https://github.com/microsoft/semantic-kernel) in the `semantic-kernel` branch (thanks to [@sohamda](https://github.com/sohamda)!) 17 | 18 | The UI is built using [Vaadin Hilla](https://vaadin.com) and the backend is built using Spring Boot. 19 | 20 | ## Requirements 21 | - Java 17+ 22 | - OpenAI API key in `OPENAI_API_KEY` environment variable 23 | 24 | ## Running 25 | Run the app by running `Application.java` in your IDE or `mvn` in the command line. 26 | 27 | ## Thanks 28 | This demo was inspired by the [LangChain4jCustomer Support Agent example](https://github.com/langchain4j/langchain4j-examples/tree/main/spring-boot-example/src/main/java/dev/langchain4j/example). 29 | 30 | I want to thank the LangChain4j, Quarkus, Spring AI, and Microsoft teams for their support in building this demo. 31 | Especially, I want to thank [@edeandrea](https://github.com/edeandrea) from the Quarkus team for his help in building the Quarkus implementation, [@tzolov](https://github.com/tzolov) from The Spring AI team for his help in building the Spring AI implementation and [@sohamda](https://github.com/sohamda) from Microsoft for the Semantic Kernel implementation. 32 | -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # http://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /usr/local/etc/mavenrc ] ; then 40 | . /usr/local/etc/mavenrc 41 | fi 42 | 43 | if [ -f /etc/mavenrc ] ; then 44 | . /etc/mavenrc 45 | fi 46 | 47 | if [ -f "$HOME/.mavenrc" ] ; then 48 | . "$HOME/.mavenrc" 49 | fi 50 | 51 | fi 52 | 53 | # OS specific support. $var _must_ be set to either true or false. 54 | cygwin=false; 55 | darwin=false; 56 | mingw=false 57 | case "`uname`" in 58 | CYGWIN*) cygwin=true ;; 59 | MINGW*) mingw=true;; 60 | Darwin*) darwin=true 61 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 62 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 63 | if [ -z "$JAVA_HOME" ]; then 64 | if [ -x "/usr/libexec/java_home" ]; then 65 | export JAVA_HOME="`/usr/libexec/java_home`" 66 | else 67 | export JAVA_HOME="/Library/Java/Home" 68 | fi 69 | fi 70 | ;; 71 | esac 72 | 73 | if [ -z "$JAVA_HOME" ] ; then 74 | if [ -r /etc/gentoo-release ] ; then 75 | JAVA_HOME=`java-config --jre-home` 76 | fi 77 | fi 78 | 79 | if [ -z "$M2_HOME" ] ; then 80 | ## resolve links - $0 may be a link to maven's home 81 | PRG="$0" 82 | 83 | # need this for relative symlinks 84 | while [ -h "$PRG" ] ; do 85 | ls=`ls -ld "$PRG"` 86 | link=`expr "$ls" : '.*-> \(.*\)$'` 87 | if expr "$link" : '/.*' > /dev/null; then 88 | PRG="$link" 89 | else 90 | PRG="`dirname "$PRG"`/$link" 91 | fi 92 | done 93 | 94 | saveddir=`pwd` 95 | 96 | M2_HOME=`dirname "$PRG"`/.. 97 | 98 | # make it fully qualified 99 | M2_HOME=`cd "$M2_HOME" && pwd` 100 | 101 | cd "$saveddir" 102 | # echo Using m2 at $M2_HOME 103 | fi 104 | 105 | # For Cygwin, ensure paths are in UNIX format before anything is touched 106 | if $cygwin ; then 107 | [ -n "$M2_HOME" ] && 108 | M2_HOME=`cygpath --unix "$M2_HOME"` 109 | [ -n "$JAVA_HOME" ] && 110 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 111 | [ -n "$CLASSPATH" ] && 112 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 113 | fi 114 | 115 | # For Mingw, ensure paths are in UNIX format before anything is touched 116 | if $mingw ; then 117 | [ -n "$M2_HOME" ] && 118 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 119 | [ -n "$JAVA_HOME" ] && 120 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 121 | fi 122 | 123 | if [ -z "$JAVA_HOME" ]; then 124 | javaExecutable="`which javac`" 125 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 126 | # readlink(1) is not available as standard on Solaris 10. 127 | readLink=`which readlink` 128 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 129 | if $darwin ; then 130 | javaHome="`dirname \"$javaExecutable\"`" 131 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 132 | else 133 | javaExecutable="`readlink -f \"$javaExecutable\"`" 134 | fi 135 | javaHome="`dirname \"$javaExecutable\"`" 136 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 137 | JAVA_HOME="$javaHome" 138 | export JAVA_HOME 139 | fi 140 | fi 141 | fi 142 | 143 | if [ -z "$JAVACMD" ] ; then 144 | if [ -n "$JAVA_HOME" ] ; then 145 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 146 | # IBM's JDK on AIX uses strange locations for the executables 147 | JAVACMD="$JAVA_HOME/jre/sh/java" 148 | else 149 | JAVACMD="$JAVA_HOME/bin/java" 150 | fi 151 | else 152 | JAVACMD="`\\unset -f command; \\command -v java`" 153 | fi 154 | fi 155 | 156 | if [ ! -x "$JAVACMD" ] ; then 157 | echo "Error: JAVA_HOME is not defined correctly." >&2 158 | echo " We cannot execute $JAVACMD" >&2 159 | exit 1 160 | fi 161 | 162 | if [ -z "$JAVA_HOME" ] ; then 163 | echo "Warning: JAVA_HOME environment variable is not set." 164 | fi 165 | 166 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 167 | 168 | # traverses directory structure from process work directory to filesystem root 169 | # first directory with .mvn subdirectory is considered project base directory 170 | find_maven_basedir() { 171 | 172 | if [ -z "$1" ] 173 | then 174 | echo "Path not specified to find_maven_basedir" 175 | return 1 176 | fi 177 | 178 | basedir="$1" 179 | wdir="$1" 180 | while [ "$wdir" != '/' ] ; do 181 | if [ -d "$wdir"/.mvn ] ; then 182 | basedir=$wdir 183 | break 184 | fi 185 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 186 | if [ -d "${wdir}" ]; then 187 | wdir=`cd "$wdir/.."; pwd` 188 | fi 189 | # end of workaround 190 | done 191 | echo "${basedir}" 192 | } 193 | 194 | # concatenates all lines of a file 195 | concat_lines() { 196 | if [ -f "$1" ]; then 197 | echo "$(tr -s '\n' ' ' < "$1")" 198 | fi 199 | } 200 | 201 | BASE_DIR=`find_maven_basedir "$(pwd)"` 202 | if [ -z "$BASE_DIR" ]; then 203 | exit 1; 204 | fi 205 | 206 | ########################################################################################## 207 | # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 208 | # This allows using the maven wrapper in projects that prohibit checking in binary data. 209 | ########################################################################################## 210 | if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then 211 | if [ "$MVNW_VERBOSE" = true ]; then 212 | echo "Found .mvn/wrapper/maven-wrapper.jar" 213 | fi 214 | else 215 | if [ "$MVNW_VERBOSE" = true ]; then 216 | echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." 217 | fi 218 | if [ -n "$MVNW_REPOURL" ]; then 219 | jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 220 | else 221 | jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 222 | fi 223 | while IFS="=" read key value; do 224 | case "$key" in (wrapperUrl) jarUrl="$value"; break ;; 225 | esac 226 | done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" 227 | if [ "$MVNW_VERBOSE" = true ]; then 228 | echo "Downloading from: $jarUrl" 229 | fi 230 | wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" 231 | if $cygwin; then 232 | wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"` 233 | fi 234 | 235 | if command -v wget > /dev/null; then 236 | if [ "$MVNW_VERBOSE" = true ]; then 237 | echo "Found wget ... using wget" 238 | fi 239 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 240 | wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 241 | else 242 | wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath" 243 | fi 244 | elif command -v curl > /dev/null; then 245 | if [ "$MVNW_VERBOSE" = true ]; then 246 | echo "Found curl ... using curl" 247 | fi 248 | if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then 249 | curl -o "$wrapperJarPath" "$jarUrl" -f 250 | else 251 | curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f 252 | fi 253 | 254 | else 255 | if [ "$MVNW_VERBOSE" = true ]; then 256 | echo "Falling back to using Java to download" 257 | fi 258 | javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" 259 | # For Cygwin, switch paths to Windows format before running javac 260 | if $cygwin; then 261 | javaClass=`cygpath --path --windows "$javaClass"` 262 | fi 263 | if [ -e "$javaClass" ]; then 264 | if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 265 | if [ "$MVNW_VERBOSE" = true ]; then 266 | echo " - Compiling MavenWrapperDownloader.java ..." 267 | fi 268 | # Compiling the Java class 269 | ("$JAVA_HOME/bin/javac" "$javaClass") 270 | fi 271 | if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 272 | # Running the downloader 273 | if [ "$MVNW_VERBOSE" = true ]; then 274 | echo " - Running MavenWrapperDownloader.java ..." 275 | fi 276 | ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") 277 | fi 278 | fi 279 | fi 280 | fi 281 | ########################################################################################## 282 | # End of extension 283 | ########################################################################################## 284 | 285 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 286 | if [ "$MVNW_VERBOSE" = true ]; then 287 | echo $MAVEN_PROJECTBASEDIR 288 | fi 289 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 290 | 291 | # For Cygwin, switch paths to Windows format before running java 292 | if $cygwin; then 293 | [ -n "$M2_HOME" ] && 294 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 295 | [ -n "$JAVA_HOME" ] && 296 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 297 | [ -n "$CLASSPATH" ] && 298 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 299 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 300 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 301 | fi 302 | 303 | # Provide a "standardized" way to retrieve the CLI args that will 304 | # work with both Windows and non-Windows executions. 305 | MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" 306 | export MAVEN_CMD_LINE_ARGS 307 | 308 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 309 | 310 | exec "$JAVACMD" \ 311 | $MAVEN_OPTS \ 312 | $MAVEN_DEBUG_OPTS \ 313 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 314 | "-Dmaven.home=${M2_HOME}" \ 315 | "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 316 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 317 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM http://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM set title of command window 39 | title %0 40 | @REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' 41 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 42 | 43 | @REM set %HOME% to equivalent of $HOME 44 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 45 | 46 | @REM Execute a user defined script before this one 47 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 48 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 49 | if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %* 50 | if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %* 51 | :skipRcPre 52 | 53 | @setlocal 54 | 55 | set ERROR_CODE=0 56 | 57 | @REM To isolate internal variables from possible post scripts, we use another setlocal 58 | @setlocal 59 | 60 | @REM ==== START VALIDATION ==== 61 | if not "%JAVA_HOME%" == "" goto OkJHome 62 | 63 | echo. 64 | echo Error: JAVA_HOME not found in your environment. >&2 65 | echo Please set the JAVA_HOME variable in your environment to match the >&2 66 | echo location of your Java installation. >&2 67 | echo. 68 | goto error 69 | 70 | :OkJHome 71 | if exist "%JAVA_HOME%\bin\java.exe" goto init 72 | 73 | echo. 74 | echo Error: JAVA_HOME is set to an invalid directory. >&2 75 | echo JAVA_HOME = "%JAVA_HOME%" >&2 76 | echo Please set the JAVA_HOME variable in your environment to match the >&2 77 | echo location of your Java installation. >&2 78 | echo. 79 | goto error 80 | 81 | @REM ==== END VALIDATION ==== 82 | 83 | :init 84 | 85 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 86 | @REM Fallback to current working directory if not found. 87 | 88 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 89 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 90 | 91 | set EXEC_DIR=%CD% 92 | set WDIR=%EXEC_DIR% 93 | :findBaseDir 94 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 95 | cd .. 96 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 97 | set WDIR=%CD% 98 | goto findBaseDir 99 | 100 | :baseDirFound 101 | set MAVEN_PROJECTBASEDIR=%WDIR% 102 | cd "%EXEC_DIR%" 103 | goto endDetectBaseDir 104 | 105 | :baseDirNotFound 106 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 107 | cd "%EXEC_DIR%" 108 | 109 | :endDetectBaseDir 110 | 111 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 112 | 113 | @setlocal EnableExtensions EnableDelayedExpansion 114 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 115 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 116 | 117 | :endReadAdditionalConfig 118 | 119 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 120 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 121 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 122 | 123 | set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 124 | 125 | FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( 126 | IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 127 | ) 128 | 129 | @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 130 | @REM This allows using the maven wrapper in projects that prohibit checking in binary data. 131 | if exist %WRAPPER_JAR% ( 132 | if "%MVNW_VERBOSE%" == "true" ( 133 | echo Found %WRAPPER_JAR% 134 | ) 135 | ) else ( 136 | if not "%MVNW_REPOURL%" == "" ( 137 | SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar" 138 | ) 139 | if "%MVNW_VERBOSE%" == "true" ( 140 | echo Couldn't find %WRAPPER_JAR%, downloading it ... 141 | echo Downloading from: %DOWNLOAD_URL% 142 | ) 143 | 144 | powershell -Command "&{"^ 145 | "$webclient = new-object System.Net.WebClient;"^ 146 | "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ 147 | "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ 148 | "}"^ 149 | "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ 150 | "}" 151 | if "%MVNW_VERBOSE%" == "true" ( 152 | echo Finished downloading %WRAPPER_JAR% 153 | ) 154 | ) 155 | @REM End of extension 156 | 157 | @REM Provide a "standardized" way to retrieve the CLI args that will 158 | @REM work with both Windows and non-Windows executions. 159 | set MAVEN_CMD_LINE_ARGS=%* 160 | 161 | %MAVEN_JAVA_EXE% ^ 162 | %JVM_CONFIG_MAVEN_PROPS% ^ 163 | %MAVEN_OPTS% ^ 164 | %MAVEN_DEBUG_OPTS% ^ 165 | -classpath %WRAPPER_JAR% ^ 166 | "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^ 167 | %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 168 | if ERRORLEVEL 1 goto error 169 | goto end 170 | 171 | :error 172 | set ERROR_CODE=1 173 | 174 | :end 175 | @endlocal & set ERROR_CODE=%ERROR_CODE% 176 | 177 | if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost 178 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 179 | if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat" 180 | if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd" 181 | :skipRcPost 182 | 183 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 184 | if "%MAVEN_BATCH_PAUSE%"=="on" pause 185 | 186 | if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE% 187 | 188 | cmd /C exit /B %ERROR_CODE% 189 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "no-name", 3 | "license": "UNLICENSED", 4 | "type": "module", 5 | "dependencies": { 6 | "@polymer/polymer": "3.5.1", 7 | "@vaadin/bundles": "24.4.7", 8 | "@vaadin/common-frontend": "0.0.19", 9 | "@vaadin/hilla-file-router": "24.4.7", 10 | "@vaadin/hilla-frontend": "24.4.7", 11 | "@vaadin/hilla-lit-form": "24.4.7", 12 | "@vaadin/hilla-react-auth": "24.4.7", 13 | "@vaadin/hilla-react-crud": "24.4.7", 14 | "@vaadin/hilla-react-form": "24.4.7", 15 | "@vaadin/hilla-react-i18n": "24.4.7", 16 | "@vaadin/hilla-react-signals": "24.4.7", 17 | "@vaadin/polymer-legacy-adapter": "24.4.7", 18 | "@vaadin/react-components": "24.4.7", 19 | "@vaadin/router": "1.7.5", 20 | "@vaadin/vaadin-development-mode-detector": "2.0.7", 21 | "@vaadin/vaadin-lumo-styles": "24.4.7", 22 | "@vaadin/vaadin-material-styles": "24.4.7", 23 | "@vaadin/vaadin-themable-mixin": "24.4.7", 24 | "@vaadin/vaadin-usage-statistics": "2.1.3", 25 | "construct-style-sheets-polyfill": "3.1.0", 26 | "date-fns": "2.29.3", 27 | "lit": "3.1.4", 28 | "nanoid": "^5.0.6", 29 | "react": "18.3.1", 30 | "react-dom": "18.3.1", 31 | "react-markdown": "^9.0.1", 32 | "react-router-dom": "6.26.1" 33 | }, 34 | "devDependencies": { 35 | "@babel/preset-react": "7.24.7", 36 | "@rollup/plugin-replace": "5.0.7", 37 | "@rollup/pluginutils": "5.1.0", 38 | "@types/react": "18.3.4", 39 | "@types/react-dom": "18.3.0", 40 | "@vaadin/hilla-generator-cli": "24.4.7", 41 | "@vaadin/hilla-generator-core": "24.4.7", 42 | "@vaadin/hilla-generator-plugin-backbone": "24.4.7", 43 | "@vaadin/hilla-generator-plugin-barrel": "24.4.7", 44 | "@vaadin/hilla-generator-plugin-client": "24.4.7", 45 | "@vaadin/hilla-generator-plugin-model": "24.4.7", 46 | "@vaadin/hilla-generator-plugin-push": "24.4.7", 47 | "@vaadin/hilla-generator-plugin-subtypes": "24.4.7", 48 | "@vaadin/hilla-generator-utils": "24.4.7", 49 | "@vitejs/plugin-react": "4.3.1", 50 | "async": "3.2.6", 51 | "glob": "10.4.5", 52 | "rollup-plugin-brotli": "3.1.0", 53 | "rollup-plugin-visualizer": "5.12.0", 54 | "strip-css-comments": "5.0.0", 55 | "transform-ast": "2.4.4", 56 | "typescript": "5.4.5", 57 | "vite": "5.4.2", 58 | "vite-plugin-checker": "0.6.4", 59 | "workbox-build": "7.1.1", 60 | "workbox-core": "7.1.0", 61 | "workbox-precaching": "7.1.0" 62 | }, 63 | "vaadin": { 64 | "dependencies": { 65 | "@polymer/polymer": "3.5.1", 66 | "@vaadin/bundles": "24.4.7", 67 | "@vaadin/common-frontend": "0.0.19", 68 | "@vaadin/hilla-file-router": "24.4.7", 69 | "@vaadin/hilla-frontend": "24.4.7", 70 | "@vaadin/hilla-lit-form": "24.4.7", 71 | "@vaadin/hilla-react-auth": "24.4.7", 72 | "@vaadin/hilla-react-crud": "24.4.7", 73 | "@vaadin/hilla-react-form": "24.4.7", 74 | "@vaadin/hilla-react-i18n": "24.4.7", 75 | "@vaadin/hilla-react-signals": "24.4.7", 76 | "@vaadin/polymer-legacy-adapter": "24.4.7", 77 | "@vaadin/react-components": "24.4.7", 78 | "@vaadin/router": "1.7.5", 79 | "@vaadin/vaadin-development-mode-detector": "2.0.7", 80 | "@vaadin/vaadin-lumo-styles": "24.4.7", 81 | "@vaadin/vaadin-material-styles": "24.4.7", 82 | "@vaadin/vaadin-themable-mixin": "24.4.7", 83 | "@vaadin/vaadin-usage-statistics": "2.1.3", 84 | "construct-style-sheets-polyfill": "3.1.0", 85 | "date-fns": "2.29.3", 86 | "lit": "3.1.4", 87 | "react": "18.3.1", 88 | "react-dom": "18.3.1", 89 | "react-router-dom": "6.26.1" 90 | }, 91 | "devDependencies": { 92 | "@babel/preset-react": "7.24.7", 93 | "@rollup/plugin-replace": "5.0.7", 94 | "@rollup/pluginutils": "5.1.0", 95 | "@types/react": "18.3.4", 96 | "@types/react-dom": "18.3.0", 97 | "@vaadin/hilla-generator-cli": "24.4.7", 98 | "@vaadin/hilla-generator-core": "24.4.7", 99 | "@vaadin/hilla-generator-plugin-backbone": "24.4.7", 100 | "@vaadin/hilla-generator-plugin-barrel": "24.4.7", 101 | "@vaadin/hilla-generator-plugin-client": "24.4.7", 102 | "@vaadin/hilla-generator-plugin-model": "24.4.7", 103 | "@vaadin/hilla-generator-plugin-push": "24.4.7", 104 | "@vaadin/hilla-generator-plugin-subtypes": "24.4.7", 105 | "@vaadin/hilla-generator-utils": "24.4.7", 106 | "@vitejs/plugin-react": "4.3.1", 107 | "async": "3.2.6", 108 | "glob": "10.4.5", 109 | "rollup-plugin-brotli": "3.1.0", 110 | "rollup-plugin-visualizer": "5.12.0", 111 | "strip-css-comments": "5.0.0", 112 | "transform-ast": "2.4.4", 113 | "typescript": "5.4.5", 114 | "vite": "5.4.2", 115 | "vite-plugin-checker": "0.6.4", 116 | "workbox-build": "7.1.1", 117 | "workbox-core": "7.1.0", 118 | "workbox-precaching": "7.1.0" 119 | }, 120 | "hash": "520c772bcedd34707395adacc2eb9caf1f29f1a638a8578a8bf5b6aa831e9fd7" 121 | }, 122 | "overrides": { 123 | "@vaadin/bundles": "$@vaadin/bundles", 124 | "@vaadin/common-frontend": "$@vaadin/common-frontend", 125 | "construct-style-sheets-polyfill": "$construct-style-sheets-polyfill", 126 | "lit": "$lit", 127 | "@vaadin/router": "$@vaadin/router", 128 | "@polymer/polymer": "$@polymer/polymer", 129 | "nanoid": "$nanoid", 130 | "react-markdown": "$react-markdown", 131 | "@vaadin/polymer-legacy-adapter": "$@vaadin/polymer-legacy-adapter", 132 | "@vaadin/vaadin-development-mode-detector": "$@vaadin/vaadin-development-mode-detector", 133 | "@vaadin/vaadin-usage-statistics": "$@vaadin/vaadin-usage-statistics", 134 | "@vaadin/react-components": "$@vaadin/react-components", 135 | "react-dom": "$react-dom", 136 | "@vaadin/hilla-frontend": "$@vaadin/hilla-frontend", 137 | "@vaadin/hilla-react-auth": "$@vaadin/hilla-react-auth", 138 | "react": "$react", 139 | "@vaadin/hilla-react-crud": "$@vaadin/hilla-react-crud", 140 | "@vaadin/hilla-file-router": "$@vaadin/hilla-file-router", 141 | "react-router-dom": "$react-router-dom", 142 | "@vaadin/hilla-react-i18n": "$@vaadin/hilla-react-i18n", 143 | "@vaadin/hilla-lit-form": "$@vaadin/hilla-lit-form", 144 | "@vaadin/hilla-react-form": "$@vaadin/hilla-react-form", 145 | "@vaadin/hilla-react-signals": "$@vaadin/hilla-react-signals", 146 | "date-fns": "$date-fns", 147 | "@vaadin/vaadin-themable-mixin": "$@vaadin/vaadin-themable-mixin", 148 | "@vaadin/vaadin-lumo-styles": "$@vaadin/vaadin-lumo-styles", 149 | "@vaadin/vaadin-material-styles": "$@vaadin/vaadin-material-styles" 150 | } 151 | } 152 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 4.0.0 6 | 7 | org.vaadin.marcus 8 | java-ai-playground 9 | java-ai-playground 10 | 1.0-SNAPSHOT 11 | jar 12 | 13 | 14 | 17 15 | 24.4.11 16 | 0.35.0 17 | 18 | 19 | 20 | org.springframework.boot 21 | spring-boot-starter-parent 22 | 3.3.3 23 | 24 | 25 | 26 | 27 | spring-milestones 28 | Spring Milestones 29 | https://repo.spring.io/milestone 30 | 31 | false 32 | 33 | 34 | 35 | vaadin-prereleases 36 | https://maven.vaadin.com/vaadin-prereleases 37 | 38 | true 39 | 40 | 41 | 42 | 43 | 44 | 45 | vaadin-prereleases 46 | https://maven.vaadin.com/vaadin-prereleases 47 | 48 | true 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | com.vaadin 57 | vaadin-bom 58 | ${vaadin.version} 59 | pom 60 | import 61 | 62 | 63 | 64 | 65 | 66 | 67 | com.vaadin 68 | vaadin-spring-boot-starter 69 | 70 | 71 | org.springframework.boot 72 | spring-boot-starter-webflux 73 | 74 | 75 | org.springframework.boot 76 | spring-boot-starter-validation 77 | 78 | 79 | 80 | org.springframework.boot 81 | spring-boot-devtools 82 | true 83 | 84 | 85 | 86 | 87 | dev.langchain4j 88 | langchain4j-spring-boot-starter 89 | ${langchain4j.version} 90 | 91 | 92 | dev.langchain4j 93 | langchain4j-open-ai-spring-boot-starter 94 | ${langchain4j.version} 95 | 96 | 97 | dev.langchain4j 98 | langchain4j-embeddings-all-minilm-l6-v2 99 | ${langchain4j.version} 100 | 101 | 102 | dev.langchain4j 103 | langchain4j-reactor 104 | ${langchain4j.version} 105 | 106 | 107 | 108 | org.springframework.boot 109 | spring-boot-starter-test 110 | test 111 | 112 | 113 | 114 | 115 | spring-boot:run 116 | 117 | 118 | org.springframework.boot 119 | spring-boot-maven-plugin 120 | 121 | -Xdebug 122 | -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5247 123 | 500 124 | 240 125 | 126 | 127 | 128 | 129 | com.vaadin 130 | vaadin-maven-plugin 131 | ${vaadin.version} 132 | 133 | 134 | 135 | prepare-frontend 136 | 137 | 138 | 139 | 140 | 141 | org.apache.maven.plugins 142 | maven-compiler-plugin 143 | 144 | 21 145 | 21 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | production 155 | 156 | 157 | 158 | com.vaadin 159 | vaadin-maven-plugin 160 | ${vaadin.version} 161 | 162 | 163 | 164 | build-frontend 165 | 166 | compile 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | -------------------------------------------------------------------------------- /screenshot.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/marcushellberg/java-ai-playground/a06ad993326770921e496bc20e26802363e1728c/screenshot.jpg -------------------------------------------------------------------------------- /src/main/frontend/components/Message.tsx: -------------------------------------------------------------------------------- 1 | import Markdown from "react-markdown"; 2 | 3 | export interface MessageItem { 4 | role: 'user' | 'assistant'; 5 | content: string; 6 | } 7 | 8 | interface MessageProps { 9 | message: MessageItem; 10 | } 11 | 12 | export default function Message({message}: MessageProps) { 13 | return ( 14 |
15 |
{message.role === 'user' ? '🧑‍💻 You' : '🤖 Assistant'}
16 |
17 | 18 | {message.content} 19 | 20 |
21 |
22 | ) 23 | }; 24 | -------------------------------------------------------------------------------- /src/main/frontend/components/MessageList.tsx: -------------------------------------------------------------------------------- 1 | import React, { useRef, useEffect } from 'react'; 2 | import Message, {MessageItem} from './Message'; 3 | 4 | interface MessageListProps { 5 | messages: MessageItem[]; 6 | className?: string; 7 | } 8 | 9 | export default function MessageList({ messages, className }: MessageListProps) { 10 | const endOfMessagesRef = useRef(null); 11 | 12 | // Automatically scroll down whenever the messages change 13 | useEffect(() => { 14 | if (endOfMessagesRef.current) { 15 | endOfMessagesRef.current.scrollIntoView({ behavior: 'smooth' }); 16 | } 17 | }, [messages]); 18 | 19 | return ( 20 |
21 | {messages.map((msg, index) => ( 22 | 23 | ))} 24 |
25 |
26 | ); 27 | } -------------------------------------------------------------------------------- /src/main/frontend/index.html: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 8 | 9 | 10 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | -------------------------------------------------------------------------------- /src/main/frontend/themes/customer-support-agent/styles.css: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/marcushellberg/java-ai-playground/a06ad993326770921e496bc20e26802363e1728c/src/main/frontend/themes/customer-support-agent/styles.css -------------------------------------------------------------------------------- /src/main/frontend/themes/customer-support-agent/theme.json: -------------------------------------------------------------------------------- 1 | { 2 | "lumoImports" : [ "typography", "color", "spacing", "badge", "utility" ] 3 | } -------------------------------------------------------------------------------- /src/main/frontend/views/@index.tsx: -------------------------------------------------------------------------------- 1 | import {useEffect, useState} from "react"; 2 | import {AssistantService, BookingService} from "Frontend/generated/endpoints"; 3 | import BookingDetails from "../generated/org/vaadin/marcus/service/BookingDetails"; 4 | import {GridColumn} from "@vaadin/react-components/GridColumn"; 5 | import {Grid} from "@vaadin/react-components/Grid"; 6 | import {MessageInput} from "@vaadin/react-components/MessageInput"; 7 | import {nanoid} from "nanoid"; 8 | import {SplitLayout} from "@vaadin/react-components/SplitLayout"; 9 | import Message, {MessageItem} from "../components/Message"; 10 | import MessageList from "Frontend/components/MessageList"; 11 | 12 | export default function Index() { 13 | const [chatId, setChatId] = useState(nanoid()); 14 | const [working, setWorking] = useState(false); 15 | const [bookings, setBookings] = useState([]); 16 | const [messages, setMessages] = useState([{ 17 | role: 'assistant', 18 | content: 'Welcome to Funnair! How can I help you?' 19 | }]); 20 | 21 | useEffect(() => { 22 | // Update bookings when we have received the full response 23 | if (!working) { 24 | BookingService.getBookings().then(setBookings); 25 | } 26 | }, [working]); 27 | 28 | function addMessage(message: MessageItem) { 29 | setMessages(messages => [...messages, message]); 30 | } 31 | 32 | function appendToLatestMessage(chunk: string) { 33 | setMessages(messages => { 34 | const latestMessage = messages[messages.length - 1]; 35 | latestMessage.content += chunk; 36 | return [...messages.slice(0, -1), latestMessage]; 37 | }); 38 | } 39 | 40 | async function sendMessage(message: string) { 41 | setWorking(true); 42 | addMessage({ 43 | role: 'user', 44 | content: message 45 | }); 46 | let first = true; 47 | AssistantService.chat(chatId, message) 48 | .onNext(token => { 49 | if (first && token) { 50 | addMessage({ 51 | role: 'assistant', 52 | content: token 53 | }); 54 | 55 | first = false; 56 | } else { 57 | appendToLatestMessage(token); 58 | } 59 | }) 60 | .onError(() => setWorking(false)) 61 | .onComplete(() => setWorking(false)); 62 | } 63 | 64 | 65 | return ( 66 | 67 |
68 |

Funnair support

69 | 70 | sendMessage(e.detail.value)} className="px-0"/> 71 |
72 |
73 |

Bookings database

74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | {({item}) => item.bookingStatus === "CONFIRMED" ? "✅" : "❌"} 83 | 84 | 85 | 86 |
87 | 88 | 89 | ); 90 | } 91 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/Application.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus; 2 | 3 | import com.vaadin.flow.component.page.AppShellConfigurator; 4 | import com.vaadin.flow.theme.Theme; 5 | import org.springframework.boot.SpringApplication; 6 | import org.springframework.boot.autoconfigure.SpringBootApplication; 7 | 8 | 9 | @SpringBootApplication 10 | @Theme(value = "customer-support-agent") 11 | public class Application implements AppShellConfigurator { 12 | 13 | public static void main(String[] args) { 14 | SpringApplication.run(Application.class, args); 15 | } 16 | 17 | } 18 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/client/AssistantService.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.client; 2 | 3 | import com.vaadin.flow.server.auth.AnonymousAllowed; 4 | import com.vaadin.hilla.BrowserCallable; 5 | import org.vaadin.marcus.langchain4j.LangChain4jAssistant; 6 | import reactor.core.publisher.Flux; 7 | 8 | @BrowserCallable 9 | @AnonymousAllowed 10 | public class AssistantService { 11 | 12 | private final LangChain4jAssistant langChain4JAssistant; 13 | 14 | public AssistantService(LangChain4jAssistant langChain4JAssistant) { 15 | this.langChain4JAssistant = langChain4JAssistant; 16 | } 17 | 18 | public Flux chat(String chatId, String userMessage) { 19 | return langChain4JAssistant.chat(chatId, userMessage); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/client/BookingService.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.client; 2 | 3 | import org.vaadin.marcus.service.BookingDetails; 4 | import org.vaadin.marcus.service.FlightService; 5 | import com.vaadin.flow.server.auth.AnonymousAllowed; 6 | import com.vaadin.hilla.BrowserCallable; 7 | 8 | import java.util.List; 9 | 10 | @BrowserCallable 11 | @AnonymousAllowed 12 | public class BookingService { 13 | private final FlightService carRentalService; 14 | 15 | public BookingService(FlightService carRentalService) { 16 | this.carRentalService = carRentalService; 17 | } 18 | 19 | public List getBookings() { 20 | return carRentalService.getBookings(); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/client/package-info.java: -------------------------------------------------------------------------------- 1 | @NonNullApi 2 | package org.vaadin.marcus.client; 3 | 4 | import org.springframework.lang.NonNullApi; 5 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/Booking.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.data; 2 | 3 | import java.time.LocalDate; 4 | 5 | public class Booking { 6 | 7 | private String bookingNumber; 8 | private LocalDate date; 9 | private LocalDate bookingTo; 10 | private Customer customer; 11 | private String from; 12 | private String to; 13 | private BookingStatus bookingStatus; 14 | private BookingClass bookingClass; 15 | 16 | public Booking(String bookingNumber, LocalDate date, Customer customer, BookingStatus bookingStatus, String from, String to, BookingClass bookingClass) { 17 | this.bookingNumber = bookingNumber; 18 | this.date = date; 19 | this.customer = customer; 20 | this.bookingStatus = bookingStatus; 21 | this.from = from; 22 | this.to = to; 23 | this.bookingClass = bookingClass; 24 | } 25 | 26 | 27 | public String getBookingNumber() { 28 | return bookingNumber; 29 | } 30 | 31 | public void setBookingNumber(String bookingNumber) { 32 | this.bookingNumber = bookingNumber; 33 | } 34 | 35 | public LocalDate getDate() { 36 | return date; 37 | } 38 | 39 | public void setDate(LocalDate date) { 40 | this.date = date; 41 | } 42 | 43 | public LocalDate getBookingTo() { 44 | return bookingTo; 45 | } 46 | 47 | public void setBookingTo(LocalDate bookingTo) { 48 | this.bookingTo = bookingTo; 49 | } 50 | 51 | public Customer getCustomer() { 52 | return customer; 53 | } 54 | 55 | public void setCustomer(Customer customer) { 56 | this.customer = customer; 57 | } 58 | 59 | public BookingStatus getBookingStatus() { 60 | return bookingStatus; 61 | } 62 | 63 | public void setBookingStatus(BookingStatus bookingStatus) { 64 | this.bookingStatus = bookingStatus; 65 | } 66 | 67 | public String getFrom() { 68 | return from; 69 | } 70 | 71 | public void setFrom(String from) { 72 | this.from = from; 73 | } 74 | 75 | public String getTo() { 76 | return to; 77 | } 78 | 79 | public void setTo(String to) { 80 | this.to = to; 81 | } 82 | 83 | public BookingClass getBookingClass() { 84 | return bookingClass; 85 | } 86 | 87 | public void setBookingClass(BookingClass bookingClass) { 88 | this.bookingClass = bookingClass; 89 | } 90 | } -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/BookingClass.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.data; 2 | 3 | public enum BookingClass { 4 | ECONOMY, PREMIUM_ECONOMY, BUSINESS 5 | } 6 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/BookingData.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.data; 2 | 3 | import java.util.ArrayList; 4 | import java.util.List; 5 | 6 | public class BookingData { 7 | 8 | private List customers = new ArrayList<>(); 9 | private List bookings = new ArrayList<>(); 10 | 11 | 12 | public List getCustomers() { 13 | return customers; 14 | } 15 | 16 | public void setCustomers(List customers) { 17 | this.customers = customers; 18 | } 19 | 20 | public List getBookings() { 21 | return bookings; 22 | } 23 | 24 | public void setBookings(List bookings) { 25 | this.bookings = bookings; 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/BookingStatus.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.data; 2 | 3 | public enum BookingStatus { 4 | CONFIRMED, COMPLETED, CANCELLED 5 | } 6 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/Customer.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.data; 2 | 3 | import java.util.ArrayList; 4 | import java.util.List; 5 | 6 | public class Customer { 7 | 8 | private String firstName; 9 | private String lastName; 10 | 11 | private List bookings = new ArrayList<>(); 12 | 13 | public Customer() { 14 | } 15 | 16 | public Customer(String firstName, String lastName) { 17 | this.firstName = firstName; 18 | this.lastName = lastName; 19 | } 20 | 21 | public String getFirstName() { 22 | return firstName; 23 | } 24 | 25 | public void setFirstName(String firstName) { 26 | this.firstName = firstName; 27 | } 28 | 29 | public String getLastName() { 30 | return lastName; 31 | } 32 | 33 | public void setLastName(String lastName) { 34 | this.lastName = lastName; 35 | } 36 | 37 | public List getBookings() { 38 | return bookings; 39 | } 40 | 41 | public void setBookings(List bookings) { 42 | this.bookings = bookings; 43 | } 44 | } -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/data/package-info.java: -------------------------------------------------------------------------------- 1 | @NonNullApi 2 | package org.vaadin.marcus.data; 3 | 4 | import org.springframework.lang.NonNullApi; 5 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/langchain4j/DocumentationIngestor.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.langchain4j; 2 | 3 | import dev.langchain4j.data.document.loader.FileSystemDocumentLoader; 4 | import dev.langchain4j.data.document.splitter.DocumentSplitters; 5 | import dev.langchain4j.data.segment.TextSegment; 6 | import dev.langchain4j.model.Tokenizer; 7 | import dev.langchain4j.model.embedding.EmbeddingModel; 8 | import dev.langchain4j.store.embedding.EmbeddingStore; 9 | import dev.langchain4j.store.embedding.EmbeddingStoreIngestor; 10 | import org.springframework.beans.factory.annotation.Value; 11 | import org.springframework.boot.CommandLineRunner; 12 | import org.springframework.core.io.Resource; 13 | import org.springframework.stereotype.Component; 14 | 15 | /** 16 | * In the real world, ingesting documents would happen separately, not in the same application. 17 | */ 18 | @Component 19 | public class DocumentationIngestor implements CommandLineRunner { 20 | 21 | private final EmbeddingModel embeddingModel; 22 | private final EmbeddingStore embeddingStore; 23 | private final Tokenizer tokenizer; 24 | private final Resource termsOfService; 25 | 26 | public DocumentationIngestor( 27 | EmbeddingModel embeddingModel, 28 | EmbeddingStore embeddingStore, 29 | Tokenizer tokenizer, 30 | @Value("classpath:terms-of-service.txt") Resource termsOfService) { 31 | this.embeddingModel = embeddingModel; 32 | this.embeddingStore = embeddingStore; 33 | this.tokenizer = tokenizer; 34 | this.termsOfService = termsOfService; 35 | } 36 | 37 | @Override 38 | public void run(String... args) throws Exception { 39 | var doc = FileSystemDocumentLoader.loadDocument(termsOfService.getFile().toPath()); 40 | var ingestor = EmbeddingStoreIngestor.builder() 41 | .documentSplitter(DocumentSplitters.recursive(50, 0, tokenizer)) 42 | .embeddingModel(embeddingModel) 43 | .embeddingStore(embeddingStore) 44 | .build(); 45 | ingestor.ingest(doc); 46 | } 47 | } -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/langchain4j/LangChain4jAssistant.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.langchain4j; 2 | 3 | import dev.langchain4j.service.MemoryId; 4 | import dev.langchain4j.service.SystemMessage; 5 | import dev.langchain4j.service.UserMessage; 6 | import dev.langchain4j.service.spring.AiService; 7 | import reactor.core.publisher.Flux; 8 | 9 | @AiService 10 | public interface LangChain4jAssistant { 11 | 12 | @SystemMessage(""" 13 | You are a customer chat support agent of an airline named "Funnair". 14 | Respond in a friendly, helpful, and joyful manner. 15 | You are interacting with customers through an online chat system. 16 | Before providing information about a booking or cancelling a booking, 17 | you MUST ensure you have the following information from the user: 18 | booking number, customer first name, and last name. 19 | Check the message history for this information before asking the user. 20 | Before changing a booking, you MUST ensure it is permitted by the terms. 21 | If there is a charge for the change, you MUST ask the user to consent before proceeding. 22 | Use the provided functions to fetch booking details, change bookings, and cancel bookings. 23 | Today is {{current_date}}. 24 | """) 25 | Flux chat(@MemoryId String chatId, @UserMessage String userMessage); 26 | } 27 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/langchain4j/LangChain4jConfig.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.langchain4j; 2 | 3 | import dev.langchain4j.data.segment.TextSegment; 4 | import dev.langchain4j.memory.chat.ChatMemoryProvider; 5 | import dev.langchain4j.memory.chat.TokenWindowChatMemory; 6 | import dev.langchain4j.model.Tokenizer; 7 | import dev.langchain4j.model.embedding.EmbeddingModel; 8 | import dev.langchain4j.rag.content.retriever.ContentRetriever; 9 | import dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever; 10 | import dev.langchain4j.store.embedding.EmbeddingStore; 11 | import dev.langchain4j.store.embedding.inmemory.InMemoryEmbeddingStore; 12 | import org.springframework.context.annotation.Bean; 13 | import org.springframework.context.annotation.Configuration; 14 | 15 | @Configuration 16 | public class LangChain4jConfig { 17 | 18 | @Bean 19 | ChatMemoryProvider chatMemoryProvider(Tokenizer tokenizer) { 20 | return chatId -> TokenWindowChatMemory.withMaxTokens(1000, tokenizer); 21 | } 22 | 23 | @Bean 24 | EmbeddingStore embeddingStore() { 25 | return new InMemoryEmbeddingStore<>(); 26 | } 27 | 28 | 29 | @Bean 30 | ContentRetriever contentRetriever( 31 | EmbeddingStore embeddingStore, 32 | EmbeddingModel embeddingModel 33 | ) { 34 | return EmbeddingStoreContentRetriever.builder() 35 | .embeddingStore(embeddingStore) 36 | .embeddingModel(embeddingModel) 37 | .maxResults(2) 38 | .minScore(0.6) 39 | .build(); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/langchain4j/LangChain4jTools.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.langchain4j; 2 | 3 | import dev.langchain4j.agent.tool.P; 4 | import dev.langchain4j.agent.tool.Tool; 5 | import org.springframework.stereotype.Component; 6 | import org.vaadin.marcus.service.BookingDetails; 7 | import org.vaadin.marcus.service.FlightService; 8 | 9 | import java.time.LocalDate; 10 | 11 | @Component 12 | public class LangChain4jTools { 13 | 14 | private final FlightService service; 15 | 16 | public LangChain4jTools(FlightService service) { 17 | this.service = service; 18 | } 19 | 20 | @Tool(""" 21 | Retrieves information about an existing booking, 22 | such as the flight date, booking status, departure and arrival airports, and booking class. 23 | """) 24 | public BookingDetails getBookingDetails(String bookingNumber, String firstName, String lastName) { 25 | return service.getBookingDetails(bookingNumber, firstName, lastName); 26 | } 27 | 28 | @Tool(""" 29 | Modifies an existing booking. 30 | This includes making changes to the flight date, and the departure and arrival airports. 31 | """) 32 | public void changeBooking( 33 | String bookingNumber, 34 | String firstName, 35 | String lastName, 36 | LocalDate newFlightDate, 37 | @P("3-letter code for departure airport") String newDepartureAirport, 38 | @P("3-letter code for arrival airport") String newArrivalAirport 39 | ) { 40 | service.changeBooking(bookingNumber, firstName, lastName, newFlightDate, newDepartureAirport, newArrivalAirport); 41 | } 42 | 43 | @Tool 44 | public void cancelBooking(String bookingNumber, String firstName, String lastName) { 45 | service.cancelBooking(bookingNumber, firstName, lastName); 46 | } 47 | 48 | } 49 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/service/BookingDetails.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.service; 2 | 3 | import org.vaadin.marcus.data.BookingStatus; 4 | 5 | import java.time.LocalDate; 6 | 7 | public record BookingDetails(String bookingNumber, 8 | String firstName, 9 | String lastName, 10 | LocalDate date, 11 | BookingStatus bookingStatus, 12 | String from, 13 | String to, 14 | String bookingClass) { 15 | } 16 | -------------------------------------------------------------------------------- /src/main/java/org/vaadin/marcus/service/FlightService.java: -------------------------------------------------------------------------------- 1 | package org.vaadin.marcus.service; 2 | 3 | import org.springframework.stereotype.Service; 4 | import org.vaadin.marcus.data.*; 5 | 6 | import java.time.LocalDate; 7 | import java.util.ArrayList; 8 | import java.util.List; 9 | import java.util.Random; 10 | 11 | @Service 12 | public class FlightService { 13 | 14 | private final BookingData db; 15 | 16 | public FlightService() { 17 | db = new BookingData(); 18 | 19 | initDemoData(); 20 | } 21 | 22 | private void initDemoData() { 23 | List firstNames = List.of("John", "Jane", "Michael", "Sarah", "Robert"); 24 | List lastNames = List.of("Doe", "Smith", "Johnson", "Williams", "Taylor"); 25 | List airportCodes = List.of("LAX", "SFO", "JFK", "LHR", "CDG", "ARN", "HEL", "TXL", "MUC", "FRA", "MAD", "SJC"); 26 | Random random = new Random(); 27 | 28 | var customers = new ArrayList(); 29 | var bookings = new ArrayList(); 30 | 31 | for (int i = 0; i < 5; i++) { 32 | String firstName = firstNames.get(i); 33 | String lastName = lastNames.get(i); 34 | String from = airportCodes.get(random.nextInt(airportCodes.size())); 35 | String to = airportCodes.get(random.nextInt(airportCodes.size())); 36 | BookingClass bookingClass = BookingClass.values()[random.nextInt(BookingClass.values().length)]; 37 | Customer customer = new Customer(); 38 | customer.setFirstName(firstName); 39 | customer.setLastName(lastName); 40 | 41 | LocalDate date = LocalDate.now().plusDays(2*i); 42 | 43 | Booking booking = new Booking("10" + (i + 1), date, customer, BookingStatus.CONFIRMED, from, to, bookingClass); 44 | customer.getBookings().add(booking); 45 | 46 | customers.add(customer); 47 | bookings.add(booking); 48 | } 49 | 50 | // Reset the database on each start 51 | db.setCustomers(customers); 52 | db.setBookings(bookings); 53 | 54 | System.out.println("Demo data initialized"); 55 | } 56 | 57 | public List getBookings() { 58 | return db.getBookings().stream().map(this::toBookingDetails).toList(); 59 | } 60 | 61 | private Booking findBooking(String bookingNumber, String firstName, String lastName) { 62 | return db.getBookings().stream() 63 | .filter(b -> b.getBookingNumber().equalsIgnoreCase(bookingNumber)) 64 | .filter(b -> b.getCustomer().getFirstName().equalsIgnoreCase(firstName)) 65 | .filter(b -> b.getCustomer().getLastName().equalsIgnoreCase(lastName)) 66 | .findFirst() 67 | .orElseThrow(() -> new IllegalArgumentException("Booking not found")); 68 | } 69 | 70 | public BookingDetails getBookingDetails(String bookingNumber, String firstName, String lastName) { 71 | var booking = findBooking(bookingNumber, firstName, lastName); 72 | return toBookingDetails(booking); 73 | } 74 | 75 | public void changeBooking(String bookingNumber, String firstName, String lastName, 76 | LocalDate newFlightDate, String newDepartureAirport, String newArrivalAirport) { 77 | var booking = findBooking(bookingNumber, firstName, lastName); 78 | if(booking.getDate().isBefore(LocalDate.now().plusDays(1))){ 79 | throw new IllegalArgumentException("Booking cannot be changed within 24 hours of the start date."); 80 | } 81 | booking.setDate(newFlightDate); 82 | booking.setFrom(newDepartureAirport); 83 | booking.setTo(newArrivalAirport); 84 | } 85 | 86 | public void cancelBooking(String bookingNumber, String firstName, String lastName) { 87 | var booking = findBooking(bookingNumber, firstName, lastName); 88 | if (booking.getDate().isBefore(LocalDate.now().plusDays(2))) { 89 | throw new IllegalArgumentException("Booking cannot be cancelled within 48 hours of the start date."); 90 | } 91 | booking.setBookingStatus(BookingStatus.CANCELLED); 92 | } 93 | 94 | private BookingDetails toBookingDetails(Booking booking){ 95 | return new BookingDetails( 96 | booking.getBookingNumber(), 97 | booking.getCustomer().getFirstName(), 98 | booking.getCustomer().getLastName(), 99 | booking.getDate(), 100 | booking.getBookingStatus(), 101 | booking.getFrom(), 102 | booking.getTo(), 103 | booking.getBookingClass().toString() 104 | ); 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /src/main/resources/META-INF/resources/icons/icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/marcushellberg/java-ai-playground/a06ad993326770921e496bc20e26802363e1728c/src/main/resources/META-INF/resources/icons/icon.png -------------------------------------------------------------------------------- /src/main/resources/META-INF/resources/images/empty-plant.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/marcushellberg/java-ai-playground/a06ad993326770921e496bc20e26802363e1728c/src/main/resources/META-INF/resources/images/empty-plant.png -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | server.port=${PORT:8080} 2 | logging.level.org.atmosphere = warn 3 | spring.mustache.check-template-location = false 4 | 5 | # Launch the default browser when starting the application in development mode 6 | vaadin.launch-browser=true 7 | 8 | # Workaround for https://github.com/vaadin/hilla/issues/842 9 | spring.devtools.restart.additional-exclude=dev/hilla/openapi.json 10 | # To improve the performance during development. 11 | # For more information https://vaadin.com/docs/flow/spring/tutorial-spring-configuration.html#special-configuration-parameters 12 | vaadin.allowed-packages=com.vaadin,org.vaadin,dev.hilla,com.example.application 13 | spring.jpa.defer-datasource-initialization = true 14 | 15 | # LangChain4j properties 16 | langchain4j.open-ai.streaming-chat-model.api-key=${OPENAI_API_KEY} 17 | langchain4j.open-ai.streaming-chat-model.model-name=gpt-4-turbo 18 | langchain4j.open-ai.streaming-chat-model.temperature=0 19 | langchain4j.open-ai.embedding-model.api-key=${OPENAI_API_KEY} 20 | langchain4j.open-ai.streaming-chat-model.strict-tools=true 21 | 22 | # Logging properties 23 | langchain4j.open-ai.streaming-chat-model.log-requests=true 24 | langchain4j.open-ai.streaming-chat-model.log-responses=false 25 | logging.level.dev.langchain4j=DEBUG 26 | logging.level.dev.ai4j.openai4j=DEBUG 27 | logging.level.ai.djl=OFF 28 | -------------------------------------------------------------------------------- /src/main/resources/banner.txt: -------------------------------------------------------------------------------- 1 | _ _ ___ 2 | | | __ ___ ____ _ / \ |_ _| 3 | _ | |/ _` \ \ / / _` | / _ \ | | 4 | | |_| | (_| |\ V / (_| | / ___ \ | | 5 | \___/ \__,_| \_/ \__,_| /_/ \_\___| 6 | 7 | -------------------------------------------------------------------------------- /src/main/resources/terms-of-service.txt: -------------------------------------------------------------------------------- 1 | These Terms of Service govern your experience with Funnair. By booking a flight, you agree to these terms. 2 | 3 | 1. Booking Flights 4 | - Book via our website or mobile app. 5 | - Full payment required at booking. 6 | - Ensure accuracy of personal information (Name, ID, etc.) as corrections may incur a $25 fee. 7 | 8 | 2. Changing Bookings 9 | - Changes allowed up to 24 hours before flight. 10 | - Change via online or contact our support. 11 | - Change fee: $50 for Economy, $30 for Premium Economy, Free for Business Class. 12 | 13 | 3. Cancelling Bookings 14 | - Cancel up to 48 hours before flight. 15 | - Cancellation fees: $75 for Economy, $50 for Premium Economy, $25 for Business Class. 16 | - Refunds processed within 7 business days. 17 | 18 | -------------------------------------------------------------------------------- /tsconfig.json: -------------------------------------------------------------------------------- 1 | // This TypeScript configuration file is generated by vaadin-maven-plugin. 2 | // This is needed for TypeScript compiler to compile your TypeScript code in the project. 3 | // It is recommended to commit this file to the VCS. 4 | // You might want to change the configurations to fit your preferences 5 | // For more information about the configurations, please refer to http://www.typescriptlang.org/docs/handbook/tsconfig-json.html 6 | { 7 | "_version": "9.1", 8 | "compilerOptions": { 9 | "sourceMap": true, 10 | "jsx": "react-jsx", 11 | "inlineSources": true, 12 | "module": "esNext", 13 | "target": "es2020", 14 | "moduleResolution": "bundler", 15 | "strict": true, 16 | "skipLibCheck": true, 17 | "noFallthroughCasesInSwitch": true, 18 | "noImplicitReturns": true, 19 | "noImplicitAny": true, 20 | "noImplicitThis": true, 21 | "noUnusedLocals": false, 22 | "noUnusedParameters": false, 23 | "experimentalDecorators": true, 24 | "useDefineForClassFields": false, 25 | "baseUrl": "src/main/frontend", 26 | "paths": { 27 | "@vaadin/flow-frontend": ["generated/jar-resources"], 28 | "@vaadin/flow-frontend/*": ["generated/jar-resources/*"], 29 | "Frontend/*": ["*"] 30 | } 31 | }, 32 | "include": [ 33 | "src/main/frontend/**/*", 34 | "types.d.ts" 35 | ], 36 | "exclude": [ 37 | "src/main/frontend/generated/jar-resources/**" 38 | ] 39 | } 40 | -------------------------------------------------------------------------------- /types.d.ts: -------------------------------------------------------------------------------- 1 | declare module '*.module.css' { 2 | declare const styles: Record; 3 | export default styles; 4 | } 5 | declare module '*.module.sass' { 6 | declare const styles: Record; 7 | export default styles; 8 | } 9 | declare module '*.module.scss' { 10 | declare const styles: Record; 11 | export default styles; 12 | } 13 | declare module '*.module.less' { 14 | declare const classes: Record; 15 | export default classes; 16 | } 17 | declare module '*.module.styl' { 18 | declare const classes: Record; 19 | export default classes; 20 | } 21 | 22 | /* CSS FILES */ 23 | declare module '*.css'; 24 | declare module '*.sass'; 25 | declare module '*.scss'; 26 | declare module '*.less'; 27 | declare module '*.styl'; 28 | 29 | /* IMAGES */ 30 | declare module '*.svg' { 31 | const ref: string; 32 | export default ref; 33 | } 34 | declare module '*.bmp' { 35 | const ref: string; 36 | export default ref; 37 | } 38 | declare module '*.gif' { 39 | const ref: string; 40 | export default ref; 41 | } 42 | declare module '*.jpg' { 43 | const ref: string; 44 | export default ref; 45 | } 46 | declare module '*.jpeg' { 47 | const ref: string; 48 | export default ref; 49 | } 50 | declare module '*.png' { 51 | const ref: string; 52 | export default ref; 53 | } 54 | declare module '*.avif' { 55 | const ref: string; 56 | export default ref; 57 | } 58 | declare module '*.webp' { 59 | const ref: string; 60 | export default ref; 61 | } 62 | declare module '*.css?inline' { 63 | import type { CSSResultGroup } from 'lit'; 64 | const content: CSSResultGroup; 65 | export default content; 66 | } 67 | 68 | declare module 'csstype' { 69 | interface Properties { 70 | [index: `--${string}`]: any; 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /vite.config.ts: -------------------------------------------------------------------------------- 1 | import { UserConfigFn } from 'vite'; 2 | import { overrideVaadinConfig } from './vite.generated'; 3 | 4 | const customConfig: UserConfigFn = (env) => ({ 5 | // Here you can add custom Vite parameters 6 | // https://vitejs.dev/config/ 7 | }); 8 | 9 | export default overrideVaadinConfig(customConfig); 10 | --------------------------------------------------------------------------------