├── .gitignore ├── .mvn └── wrapper │ ├── MavenWrapperDownloader.java │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── README.md ├── img └── custom-error-handling.png ├── mvnw ├── mvnw.cmd ├── pom.xml └── src ├── main ├── java │ └── io │ │ └── tpd │ │ └── superheroes │ │ ├── SpringBootRestExceptionsApplication.java │ │ ├── controller │ │ ├── SuperHeroController.java │ │ ├── SuperHeroControllerAdvice.java │ │ └── errors │ │ │ ├── ErrorCode.java │ │ │ ├── SuperHeroAppError.java │ │ │ ├── SuperHeroAppErrorAttributes.java │ │ │ ├── SuperHeroErrorController.java │ │ │ └── WebErrorConfiguration.java │ │ ├── domain │ │ └── SuperHero.java │ │ ├── exceptions │ │ └── NonExistingHeroException.java │ │ └── repository │ │ ├── SuperHeroRepository.java │ │ └── SuperHeroRepositoryImpl.java └── resources │ └── application.properties └── test └── java └── io └── tpd └── springbootrestexceptions └── SpringBootRestExceptionsApplicationTests.java /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | target/ 3 | !.mvn/wrapper/maven-wrapper.jar 4 | !**/src/main/** 5 | !**/src/test/** 6 | 7 | ### STS ### 8 | .apt_generated 9 | .classpath 10 | .factorypath 11 | .project 12 | .settings 13 | .springBeans 14 | .sts4-cache 15 | 16 | ### IntelliJ IDEA ### 17 | .idea 18 | *.iws 19 | *.iml 20 | *.ipr 21 | 22 | ### NetBeans ### 23 | /nbproject/private/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ 28 | build/ 29 | 30 | ### VS Code ### 31 | .vscode/ 32 | -------------------------------------------------------------------------------- /.mvn/wrapper/MavenWrapperDownloader.java: -------------------------------------------------------------------------------- 1 | /* 2 | Licensed to the Apache Software Foundation (ASF) under one 3 | or more contributor license agreements. See the NOTICE file 4 | distributed with this work for additional information 5 | regarding copyright ownership. The ASF licenses this file 6 | to you under the Apache License, Version 2.0 (the 7 | "License"); you may not use this file except in compliance 8 | with the License. You may obtain a copy of the License at 9 | 10 | https://www.apache.org/licenses/LICENSE-2.0 11 | 12 | Unless required by applicable law or agreed to in writing, 13 | software distributed under the License is distributed on an 14 | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | KIND, either express or implied. See the License for the 16 | specific language governing permissions and limitations 17 | under the License. 18 | */ 19 | 20 | import java.io.File; 21 | import java.io.FileInputStream; 22 | import java.io.FileOutputStream; 23 | import java.io.IOException; 24 | import java.net.URL; 25 | import java.nio.channels.Channels; 26 | import java.nio.channels.ReadableByteChannel; 27 | import java.util.Properties; 28 | 29 | public class MavenWrapperDownloader { 30 | 31 | /** 32 | * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. 33 | */ 34 | private static final String DEFAULT_DOWNLOAD_URL = 35 | "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"; 36 | 37 | /** 38 | * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to 39 | * use instead of the default one. 40 | */ 41 | private static final String MAVEN_WRAPPER_PROPERTIES_PATH = 42 | ".mvn/wrapper/maven-wrapper.properties"; 43 | 44 | /** 45 | * Path where the maven-wrapper.jar will be saved to. 46 | */ 47 | private static final String MAVEN_WRAPPER_JAR_PATH = 48 | ".mvn/wrapper/maven-wrapper.jar"; 49 | 50 | /** 51 | * Name of the property which should be used to override the default download url for the wrapper. 52 | */ 53 | private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; 54 | 55 | public static void main(String args[]) { 56 | System.out.println("- Downloader started"); 57 | File baseDirectory = new File(args[0]); 58 | System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); 59 | 60 | // If the maven-wrapper.properties exists, read it and check if it contains a custom 61 | // wrapperUrl parameter. 62 | File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); 63 | String url = DEFAULT_DOWNLOAD_URL; 64 | if (mavenWrapperPropertyFile.exists()) { 65 | FileInputStream mavenWrapperPropertyFileInputStream = null; 66 | try { 67 | mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); 68 | Properties mavenWrapperProperties = new Properties(); 69 | mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); 70 | url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); 71 | } catch (IOException e) { 72 | System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); 73 | } finally { 74 | try { 75 | if (mavenWrapperPropertyFileInputStream != null) { 76 | mavenWrapperPropertyFileInputStream.close(); 77 | } 78 | } catch (IOException e) { 79 | // Ignore ... 80 | } 81 | } 82 | } 83 | System.out.println("- Downloading from: : " + url); 84 | 85 | File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); 86 | if (!outputFile.getParentFile().exists()) { 87 | if (!outputFile.getParentFile().mkdirs()) { 88 | System.out.println( 89 | "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'"); 90 | } 91 | } 92 | System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); 93 | try { 94 | downloadFileFromURL(url, outputFile); 95 | System.out.println("Done"); 96 | System.exit(0); 97 | } catch (Throwable e) { 98 | System.out.println("- Error downloading"); 99 | e.printStackTrace(); 100 | System.exit(1); 101 | } 102 | } 103 | 104 | private static void downloadFileFromURL(String urlString, File destination) throws Exception { 105 | URL website = new URL(urlString); 106 | ReadableByteChannel rbc; 107 | rbc = Channels.newChannel(website.openStream()); 108 | FileOutputStream fos = new FileOutputStream(destination); 109 | fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); 110 | fos.close(); 111 | rbc.close(); 112 | } 113 | 114 | } 115 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mechero/spring-boot-rest-exceptions/787c8e391f0e8dc5564c9068e2006ea128c75d7f/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip 2 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Handling errors in REST Controllers with Spring Boot 2 | 3 | ## Goal 4 | 5 | This sample code shows how configure a Spring Boot application to properly handle all exceptions and create your custom error format. 6 | 7 | Check the [blog post](https://thepracticaldeveloper.com/2019/09/09/custom-error-handling-rest-controllers-spring-boot/) on ThePracticalDeveloper site for the complete guide with instructions. 8 | 9 | ![Custom Error Handling in Spring Boot REST Controllers](img/custom-error-handling.png) 10 | 11 | And, if you find this code useful, please give a star to the repo! 12 | 13 | ## Custom error handling 14 | 15 | First, you'll find in this code an example of a basic approach to map exceptions to status codes in Spring Boot using a `@RestControllerAdvice` with `@ExceptionHandler` methods. 16 | 17 | However, the most interesting part is the injection of a customized `ErrorController` implementation and the overridden `ErrorAttributes` to achieve consistent responses when dealing with errors. 18 | 19 | For this example, I used the Google JSON Style Guide but you can use any other known error formatting or create your own one. 20 | 21 | Check [the guide](https://thepracticaldeveloper.com/2019/09/09/custom-error-handling-rest-controllers-spring-boot/) for more details. 22 | -------------------------------------------------------------------------------- /img/custom-error-handling.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mechero/spring-boot-rest-exceptions/787c8e391f0e8dc5564c9068e2006ea128c75d7f/img/custom-error-handling.png -------------------------------------------------------------------------------- /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 | # https://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 | # Maven2 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 "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Mingw, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | ########################################################################################## 204 | # Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 205 | # This allows using the maven wrapper in projects that prohibit checking in binary data. 206 | ########################################################################################## 207 | if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then 208 | if [ "$MVNW_VERBOSE" = true ]; then 209 | echo "Found .mvn/wrapper/maven-wrapper.jar" 210 | fi 211 | else 212 | if [ "$MVNW_VERBOSE" = true ]; then 213 | echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." 214 | fi 215 | jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar" 216 | while IFS="=" read key value; do 217 | case "$key" in (wrapperUrl) jarUrl="$value"; break ;; 218 | esac 219 | done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" 220 | if [ "$MVNW_VERBOSE" = true ]; then 221 | echo "Downloading from: $jarUrl" 222 | fi 223 | wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" 224 | 225 | if command -v wget > /dev/null; then 226 | if [ "$MVNW_VERBOSE" = true ]; then 227 | echo "Found wget ... using wget" 228 | fi 229 | wget "$jarUrl" -O "$wrapperJarPath" 230 | elif command -v curl > /dev/null; then 231 | if [ "$MVNW_VERBOSE" = true ]; then 232 | echo "Found curl ... using curl" 233 | fi 234 | curl -o "$wrapperJarPath" "$jarUrl" 235 | else 236 | if [ "$MVNW_VERBOSE" = true ]; then 237 | echo "Falling back to using Java to download" 238 | fi 239 | javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" 240 | if [ -e "$javaClass" ]; then 241 | if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 242 | if [ "$MVNW_VERBOSE" = true ]; then 243 | echo " - Compiling MavenWrapperDownloader.java ..." 244 | fi 245 | # Compiling the Java class 246 | ("$JAVA_HOME/bin/javac" "$javaClass") 247 | fi 248 | if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then 249 | # Running the downloader 250 | if [ "$MVNW_VERBOSE" = true ]; then 251 | echo " - Running MavenWrapperDownloader.java ..." 252 | fi 253 | ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") 254 | fi 255 | fi 256 | fi 257 | fi 258 | ########################################################################################## 259 | # End of extension 260 | ########################################################################################## 261 | 262 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 263 | if [ "$MVNW_VERBOSE" = true ]; then 264 | echo $MAVEN_PROJECTBASEDIR 265 | fi 266 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 267 | 268 | # For Cygwin, switch paths to Windows format before running java 269 | if $cygwin; then 270 | [ -n "$M2_HOME" ] && 271 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 272 | [ -n "$JAVA_HOME" ] && 273 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 274 | [ -n "$CLASSPATH" ] && 275 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 276 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 277 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 278 | fi 279 | 280 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 281 | 282 | exec "$JAVACMD" \ 283 | $MAVEN_OPTS \ 284 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 285 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 286 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 287 | -------------------------------------------------------------------------------- /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 https://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 Maven2 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 key stroke 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 my 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 "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 50 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\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/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar" 124 | FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO ( 125 | IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 126 | ) 127 | 128 | @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central 129 | @REM This allows using the maven wrapper in projects that prohibit checking in binary data. 130 | if exist %WRAPPER_JAR% ( 131 | echo Found %WRAPPER_JAR% 132 | ) else ( 133 | echo Couldn't find %WRAPPER_JAR%, downloading it ... 134 | echo Downloading from: %DOWNLOAD_URL% 135 | powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')" 136 | echo Finished downloading %WRAPPER_JAR% 137 | ) 138 | @REM End of extension 139 | 140 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 141 | if ERRORLEVEL 1 goto error 142 | goto end 143 | 144 | :error 145 | set ERROR_CODE=1 146 | 147 | :end 148 | @endlocal & set ERROR_CODE=%ERROR_CODE% 149 | 150 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 151 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 152 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 153 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 154 | :skipRcPost 155 | 156 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 157 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 158 | 159 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 160 | 161 | exit /B %ERROR_CODE% 162 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.springframework.boot 7 | spring-boot-starter-parent 8 | 2.1.7.RELEASE 9 | 10 | 11 | io.tpd 12 | spring-boot-rest-exceptions 13 | 0.0.1-SNAPSHOT 14 | spring-boot-rest-exceptions 15 | Handling exceptions in REST Controllers with Spring Boot 16 | 17 | The Practical Developer 18 | https://tpd.io 19 | 20 | 21 | 22 | 12 23 | 24 | 25 | 26 | 27 | org.springframework.boot 28 | spring-boot-starter-web 29 | 30 | 31 | 32 | org.springframework.boot 33 | spring-boot-starter-test 34 | test 35 | 36 | 37 | 38 | 39 | 40 | 41 | org.springframework.boot 42 | spring-boot-maven-plugin 43 | 44 | 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/SpringBootRestExceptionsApplication.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class SpringBootRestExceptionsApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(SpringBootRestExceptionsApplication.class, args); 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/SuperHeroController.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller; 2 | 3 | import io.tpd.superheroes.domain.SuperHero; 4 | import io.tpd.superheroes.repository.SuperHeroRepository; 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.http.HttpStatus; 7 | import org.springframework.web.bind.annotation.*; 8 | 9 | import javax.validation.Valid; 10 | import java.util.Optional; 11 | 12 | @RestController 13 | @RequestMapping("/superheroes") 14 | public final class SuperHeroController { 15 | 16 | private final SuperHeroRepository superHeroRepository; 17 | 18 | @Autowired 19 | public SuperHeroController(SuperHeroRepository superHeroRepository) { 20 | this.superHeroRepository = superHeroRepository; 21 | } 22 | 23 | @GetMapping("/{id}") 24 | public SuperHero getSuperHeroById(@PathVariable int id) { 25 | return superHeroRepository.getSuperHero(id); 26 | } 27 | 28 | @GetMapping 29 | public Optional getSuperHeroByHeroName(@RequestParam("name") String heroName) { 30 | return superHeroRepository.getSuperHero(heroName); 31 | } 32 | 33 | @PostMapping 34 | @ResponseStatus(HttpStatus.CREATED) 35 | public void addNewSuperHero(@RequestBody @Valid SuperHero superHero) { 36 | superHeroRepository.saveSuperHero(superHero); 37 | } 38 | 39 | } 40 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/SuperHeroControllerAdvice.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller; 2 | 3 | import io.tpd.superheroes.controller.errors.SuperHeroAppError; 4 | import io.tpd.superheroes.exceptions.NonExistingHeroException; 5 | import org.springframework.beans.factory.annotation.Value; 6 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; 7 | import org.springframework.http.HttpStatus; 8 | import org.springframework.http.ResponseEntity; 9 | import org.springframework.web.bind.annotation.ExceptionHandler; 10 | import org.springframework.web.bind.annotation.RestControllerAdvice; 11 | 12 | import javax.servlet.http.HttpServletRequest; 13 | 14 | /** 15 | * Maps exceptions to HTTP responses 16 | * 17 | * @author moises.macero 18 | */ 19 | @ConditionalOnProperty(name = "superheroes.errors.controlleradvice", havingValue = "true") 20 | @RestControllerAdvice 21 | public class SuperHeroControllerAdvice { 22 | 23 | @Value("${superheroes.sendreport.uri}") 24 | private String sendReportUri; 25 | @Value("${superheroes.api.version}") 26 | private String currentApiVersion; 27 | 28 | @ExceptionHandler(NonExistingHeroException.class) 29 | public ResponseEntity handleNonExistingHero(HttpServletRequest request, 30 | NonExistingHeroException ex) { 31 | final SuperHeroAppError error = new SuperHeroAppError( 32 | currentApiVersion, 33 | ex.getErrorCode(), 34 | "This superhero is hiding in the cave", 35 | "superhero-exceptions", 36 | "You can't find this superhero right now. Try later.", 37 | "Saving someone", 38 | sendReportUri 39 | ); 40 | return new ResponseEntity<>(error, HttpStatus.NOT_FOUND); 41 | } 42 | 43 | } 44 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/errors/ErrorCode.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller.errors; 2 | 3 | public interface ErrorCode { 4 | 5 | /** 6 | * Provides an app-specific error code to help find out exactly what happened. 7 | * It's a human-friendly identifier for a given exception. 8 | * 9 | * @return a short text code identifying the error 10 | */ 11 | String getErrorCode(); 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/errors/SuperHeroAppError.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller.errors; 2 | 3 | import com.fasterxml.jackson.annotation.JsonIgnore; 4 | 5 | import java.util.List; 6 | import java.util.Map; 7 | import java.util.UUID; 8 | 9 | public class SuperHeroAppError { 10 | 11 | private final String apiVersion; 12 | private final ErrorBlock error; 13 | 14 | public SuperHeroAppError(final String apiVersion, final String code, final String message, final String domain, 15 | final String reason, final String errorMessage, final String errorReportUri) { 16 | this.apiVersion = apiVersion; 17 | this.error = new ErrorBlock(code, message, domain, reason, errorMessage, errorReportUri); 18 | } 19 | 20 | public static SuperHeroAppError fromDefaultAttributeMap(final String apiVersion, 21 | final Map defaultErrorAttributes, 22 | final String sendReportBaseUri) { 23 | // original attribute values are documented in org.springframework.boot.web.servlet.error.DefaultErrorAttributes 24 | return new SuperHeroAppError( 25 | apiVersion, 26 | ((Integer) defaultErrorAttributes.get("status")).toString(), 27 | (String) defaultErrorAttributes.getOrDefault("message", "no message available"), 28 | (String) defaultErrorAttributes.getOrDefault("path", "no domain available"), 29 | (String) defaultErrorAttributes.getOrDefault("error", "no reason available"), 30 | (String) defaultErrorAttributes.get("message"), 31 | sendReportBaseUri 32 | ); 33 | } 34 | 35 | public Map toAttributeMap() { 36 | return Map.of( 37 | "apiVersion", apiVersion, 38 | "error", error 39 | ); 40 | } 41 | 42 | public String getApiVersion() { 43 | return apiVersion; 44 | } 45 | 46 | public ErrorBlock getError() { 47 | return error; 48 | } 49 | 50 | private static final class ErrorBlock { 51 | 52 | @JsonIgnore 53 | private final UUID uniqueId; 54 | private final String code; 55 | private final String message; 56 | private final List errors; 57 | 58 | public ErrorBlock(final String code, final String message, final String domain, 59 | final String reason, final String errorMessage, final String errorReportUri) { 60 | this.code = code; 61 | this.message = message; 62 | this.uniqueId = UUID.randomUUID(); 63 | this.errors = List.of( 64 | new Error(domain, reason, errorMessage, errorReportUri + "?id=" + uniqueId) 65 | ); 66 | } 67 | 68 | private ErrorBlock(final UUID uniqueId, final String code, final String message, final List errors) { 69 | this.uniqueId = uniqueId; 70 | this.code = code; 71 | this.message = message; 72 | this.errors = errors; 73 | } 74 | 75 | public static ErrorBlock copyWithMessage(final ErrorBlock s, final String message) { 76 | return new ErrorBlock(s.uniqueId, s.code, message, s.errors); 77 | } 78 | 79 | public UUID getUniqueId() { 80 | return uniqueId; 81 | } 82 | 83 | public String getCode() { 84 | return code; 85 | } 86 | 87 | public String getMessage() { 88 | return message; 89 | } 90 | 91 | public List getErrors() { 92 | return errors; 93 | } 94 | 95 | } 96 | 97 | private static final class Error { 98 | private final String domain; 99 | private final String reason; 100 | private final String message; 101 | private final String sendReport; 102 | 103 | public Error(final String domain, final String reason, final String message, final String sendReport) { 104 | this.domain = domain; 105 | this.reason = reason; 106 | this.message = message; 107 | this.sendReport = sendReport; 108 | } 109 | 110 | public String getDomain() { 111 | return domain; 112 | } 113 | 114 | public String getReason() { 115 | return reason; 116 | } 117 | 118 | public String getMessage() { 119 | return message; 120 | } 121 | 122 | public String getSendReport() { 123 | return sendReport; 124 | } 125 | } 126 | } 127 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/errors/SuperHeroAppErrorAttributes.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller.errors; 2 | 3 | import org.springframework.boot.web.servlet.error.DefaultErrorAttributes; 4 | import org.springframework.web.context.request.WebRequest; 5 | 6 | import java.util.Map; 7 | 8 | class SuperHeroAppErrorAttributes extends DefaultErrorAttributes { 9 | private final String currentApiVersion; 10 | private final String sendReportUri; 11 | 12 | public SuperHeroAppErrorAttributes(final String currentApiVersion, final String sendReportUri) { 13 | this.currentApiVersion = currentApiVersion; 14 | this.sendReportUri = sendReportUri; 15 | } 16 | 17 | @Override 18 | public Map getErrorAttributes(final WebRequest webRequest, final boolean includeStackTrace) { 19 | final Map defaultErrorAttributes = super.getErrorAttributes(webRequest, false); 20 | final SuperHeroAppError superHeroAppError = SuperHeroAppError.fromDefaultAttributeMap( 21 | currentApiVersion, defaultErrorAttributes, sendReportUri 22 | ); 23 | return superHeroAppError.toAttributeMap(); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/errors/SuperHeroErrorController.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller.errors; 2 | 3 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; 4 | import org.springframework.boot.autoconfigure.web.servlet.error.AbstractErrorController; 5 | import org.springframework.boot.web.servlet.error.ErrorAttributes; 6 | import org.springframework.http.HttpStatus; 7 | import org.springframework.http.ResponseEntity; 8 | import org.springframework.web.bind.annotation.RequestMapping; 9 | import org.springframework.web.bind.annotation.RestController; 10 | 11 | import javax.servlet.http.HttpServletRequest; 12 | import java.util.Collections; 13 | import java.util.Map; 14 | 15 | @ConditionalOnProperty(name = "superheroes.errors.controller", havingValue = "true") 16 | @RestController 17 | @RequestMapping({SuperHeroErrorController.ERROR_PATH}) 18 | public class SuperHeroErrorController extends AbstractErrorController { 19 | 20 | static final String ERROR_PATH = "/error"; 21 | 22 | public SuperHeroErrorController(final ErrorAttributes errorAttributes) { 23 | super(errorAttributes, Collections.emptyList()); 24 | } 25 | 26 | @RequestMapping 27 | public ResponseEntity> error(HttpServletRequest request) { 28 | Map body = this.getErrorAttributes(request, false); 29 | HttpStatus status = this.getStatus(request); 30 | return new ResponseEntity<>(body, status); 31 | } 32 | 33 | @Override 34 | public String getErrorPath() { 35 | return ERROR_PATH; 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/controller/errors/WebErrorConfiguration.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.controller.errors; 2 | 3 | import org.springframework.beans.factory.annotation.Value; 4 | import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; 5 | import org.springframework.boot.web.servlet.error.DefaultErrorAttributes; 6 | import org.springframework.boot.web.servlet.error.ErrorAttributes; 7 | import org.springframework.context.annotation.Bean; 8 | import org.springframework.context.annotation.Configuration; 9 | 10 | @ConditionalOnProperty(name = "superheroes.errors.attributes", havingValue = "true") 11 | @Configuration 12 | public class WebErrorConfiguration { 13 | 14 | @Value("${superheroes.api.version}") 15 | private String currentApiVersion; 16 | @Value("${superheroes.sendreport.uri}") 17 | private String sendReportUri; 18 | 19 | /** 20 | * We override the default {@link DefaultErrorAttributes} 21 | * 22 | * @return A custom implementation of ErrorAttributes 23 | */ 24 | @Bean 25 | public ErrorAttributes errorAttributes() { 26 | return new SuperHeroAppErrorAttributes(currentApiVersion, sendReportUri); 27 | } 28 | 29 | } 30 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/domain/SuperHero.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.domain; 2 | 3 | import javax.validation.constraints.NotBlank; 4 | 5 | public final class SuperHero { 6 | 7 | @NotBlank 8 | private String firstName; 9 | private String lastName; 10 | @NotBlank 11 | private String heroName; 12 | 13 | // Empty constructor is needed for Jackson to recreate the object from JSON 14 | public SuperHero() { 15 | } 16 | 17 | public SuperHero(String firstName, String lastName, String heroName) { 18 | this.firstName = firstName; 19 | this.lastName = lastName; 20 | this.heroName = heroName; 21 | } 22 | 23 | public String getFirstName() { 24 | return firstName; 25 | } 26 | 27 | public String getLastName() { 28 | return lastName; 29 | } 30 | 31 | public String getHeroName() { 32 | return heroName; 33 | } 34 | 35 | @Override 36 | public boolean equals(Object o) { 37 | if (this == o) return true; 38 | if (o == null || getClass() != o.getClass()) return false; 39 | 40 | SuperHero superHero = (SuperHero) o; 41 | 42 | if (firstName != null ? !firstName.equals(superHero.firstName) : superHero.firstName != null) return false; 43 | if (lastName != null ? !lastName.equals(superHero.lastName) : superHero.lastName != null) return false; 44 | return heroName != null ? heroName.equals(superHero.heroName) : superHero.heroName == null; 45 | } 46 | 47 | @Override 48 | public int hashCode() { 49 | int result = firstName != null ? firstName.hashCode() : 0; 50 | result = 31 * result + (lastName != null ? lastName.hashCode() : 0); 51 | result = 31 * result + (heroName != null ? heroName.hashCode() : 0); 52 | return result; 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/exceptions/NonExistingHeroException.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.exceptions; 2 | 3 | import io.tpd.superheroes.controller.errors.ErrorCode; 4 | 5 | /** 6 | * This exception is thrown when the SuperHero can't be found in the application if searching by ID. 7 | * 8 | * @author moises.macero 9 | */ 10 | public class NonExistingHeroException extends RuntimeException implements ErrorCode { 11 | 12 | public NonExistingHeroException(final String message) { 13 | super(message); 14 | } 15 | 16 | @Override 17 | public String getErrorCode() { 18 | return "NE-001"; 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/repository/SuperHeroRepository.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.repository; 2 | 3 | import io.tpd.superheroes.domain.SuperHero; 4 | 5 | import java.util.Optional; 6 | 7 | /** 8 | * Provides access to io.tpd.superheroes' data 9 | * @author moises.macero 10 | */ 11 | public interface SuperHeroRepository { 12 | 13 | /** 14 | * Retrieves a super hero by the id. 15 | * If the id does not exist, a {@link io.tpd.superheroes.exceptions.NonExistingHeroException} will be thrown. 16 | * 17 | * @param id the unique id of the super hero 18 | * @return the SuperHero details 19 | */ 20 | SuperHero getSuperHero(int id); 21 | 22 | /** 23 | * Retrieves a super hero given his super hero alias. 24 | * 25 | * @param heroName the super hero name 26 | * @return the SuperHero details 27 | */ 28 | Optional getSuperHero(String heroName); 29 | 30 | /** 31 | * Saves the super hero. 32 | * 33 | * @param superHero the details of the super hero 34 | */ 35 | void saveSuperHero(SuperHero superHero); 36 | 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/io/tpd/superheroes/repository/SuperHeroRepositoryImpl.java: -------------------------------------------------------------------------------- 1 | package io.tpd.superheroes.repository; 2 | 3 | import io.tpd.superheroes.domain.SuperHero; 4 | import io.tpd.superheroes.exceptions.NonExistingHeroException; 5 | import org.springframework.stereotype.Component; 6 | 7 | import java.util.ArrayList; 8 | import java.util.List; 9 | import java.util.Optional; 10 | 11 | /** 12 | * Simple, In-memory implementation of SuperHero Repository. It comes with some predefined data. 13 | * 14 | * @author moises.macero 15 | */ 16 | @Component 17 | class SuperHeroRepositoryImpl implements SuperHeroRepository { 18 | 19 | private List superHeroList; 20 | 21 | public SuperHeroRepositoryImpl() { 22 | superHeroList = new ArrayList<>(); 23 | superHeroList.add(new SuperHero("Jean", "Grey", "Phoenix")); 24 | superHeroList.add(new SuperHero("Bruce", "Wayne", "Batman")); 25 | superHeroList.add(new SuperHero("Susan", "Storm", "Invisible woman")); 26 | superHeroList.add(new SuperHero("Peter", "Parker", "Spiderman")); 27 | } 28 | 29 | @Override 30 | public SuperHero getSuperHero(int id) { 31 | if (id > superHeroList.size()) throw new NonExistingHeroException("Sorry, there are only 4 superheroes..."); 32 | return superHeroList.get(id - 1); 33 | } 34 | 35 | @Override 36 | public Optional getSuperHero(String heroName) { 37 | return superHeroList.stream().filter(h -> h.getHeroName().equals(heroName)).findAny(); 38 | } 39 | 40 | @Override 41 | public void saveSuperHero(SuperHero superHero) { 42 | superHeroList.add(superHero); 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | superheroes.api.version = 1.0 2 | superheroes.sendreport.uri = https://dummypage.sendreport.com 3 | superheroes.errors.controlleradvice = true 4 | superheroes.errors.attributes = true 5 | superheroes.errors.controller = true 6 | -------------------------------------------------------------------------------- /src/test/java/io/tpd/springbootrestexceptions/SpringBootRestExceptionsApplicationTests.java: -------------------------------------------------------------------------------- 1 | package io.tpd.springbootrestexceptions; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class SpringBootRestExceptionsApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | --------------------------------------------------------------------------------