├── .gitattributes ├── .gitignore ├── README.md ├── adapter-input-handler ├── build.gradle.kts └── src │ └── main │ └── java │ └── com │ └── jdriven │ └── adapters │ └── inputhandler │ └── FileInputHandler.java ├── adapter-persistence ├── build.gradle.kts └── src │ └── main │ └── java │ └── com │ └── jdriven │ └── adapters │ └── persistence │ ├── SystemOutPersistence.java │ └── utility │ └── SuperHandyUtil.java ├── application ├── build.gradle.kts └── src │ ├── main │ ├── java │ │ └── com │ │ │ └── jdriven │ │ │ └── application │ │ │ └── Application.java │ └── resources │ │ └── data.csv │ └── test │ └── java │ └── CleanArchitectureValidationTest.java ├── buildSrc ├── build.gradle.kts └── src │ └── main │ └── kotlin │ └── shared-config.gradle.kts ├── core ├── build.gradle.kts └── src │ ├── main │ └── java │ │ └── com │ │ └── jdriven │ │ └── domain │ │ └── services │ │ └── MagicDomainLogicService.java │ └── test │ └── java │ └── com │ └── jdriven │ └── domain │ └── DomainDataInterpretationServiceTest.java ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── ports ├── build.gradle.kts └── src │ └── main │ └── java │ └── com │ └── jdriven │ └── domain │ ├── models │ └── DomainData.java │ └── ports │ ├── MagicDomainLogicPort.java │ └── PersistencePort.java └── settings.gradle.kts /.gitattributes: -------------------------------------------------------------------------------- 1 | # 2 | # https://help.github.com/articles/dealing-with-line-endings/ 3 | # 4 | # These are explicitly windows files and should use crlf 5 | *.bat text eol=crlf 6 | 7 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Ignore Gradle project-specific cache directory 2 | .gradle 3 | 4 | # Ignore Gradle build output directory 5 | build 6 | 7 | # Ignore IntelliJ IDEA settings 8 | .idea -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # hexagonal-architecture-gradle-java 2 | An exploration of implementing hexagonal architecture in a simple Java application using Gradle to enforce dependencies. 3 | 4 | Using Gradle, the application is divided into 5 parts, that can only 'see' the classes that they're allowed to see. 5 | 6 | - "Core" contains the domain logic without knowing anything about 'the outside world'. 7 | - "Ports" contains the ports and data objects required for the outside world and domain logic to interact with each other. 8 | - There's a driving adapter that responds to the outside world providing input. 9 | - There's a driven adapter that can be instructed to store something in the outside world. 10 | - "Application" creates the application and injects the right dependencies. 11 | 12 | Everything is written with a minimal amount of frameworks. 13 | So no Spring, Jackson, Mockito, database, etc. 14 | 15 | As it is set up using Gradle, you can open this project in your IDE and for example won't need to worry about accidentally using a utility class from a module you're not supposed to access. 16 | 17 | An ArchUnit test is included to show that there is another way to enforce hexagonal architecture using tests, though its added value here is minimal. 18 | Were you to use it instead of the multimodule Gradle setup, the current ArchUnit implementation would have to be improved as currently it doesn't prevent adapters from calling each other's code, for example. 19 | -------------------------------------------------------------------------------- /adapter-input-handler/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("shared-config") 3 | } 4 | 5 | dependencies { 6 | implementation(project(":ports")) 7 | } 8 | -------------------------------------------------------------------------------- /adapter-input-handler/src/main/java/com/jdriven/adapters/inputhandler/FileInputHandler.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.adapters.inputhandler; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | import com.jdriven.domain.ports.MagicDomainLogicPort; 5 | import org.slf4j.Logger; 6 | import org.slf4j.LoggerFactory; 7 | 8 | import java.io.BufferedReader; 9 | import java.io.IOException; 10 | import java.io.InputStream; 11 | import java.io.InputStreamReader; 12 | 13 | /** 14 | * Adapter for data ingress from a file and passing the data to the core logic 15 | */ 16 | public class FileInputHandler { 17 | 18 | private static final Logger logger = LoggerFactory.getLogger(FileInputHandler.class); 19 | 20 | private final MagicDomainLogicPort magicDomainLogicPort; 21 | 22 | public FileInputHandler(MagicDomainLogicPort magicDomainLogicPort) { 23 | this.magicDomainLogicPort = magicDomainLogicPort; 24 | } 25 | 26 | /** 27 | * Private class for storing data read from file 28 | */ 29 | private static class FileReaderAdapterData { 30 | private String field1; 31 | private String field2; 32 | 33 | public void setFields(String[] values) { 34 | if (values == null || values.length == 0) { 35 | logger.warn("No values found"); 36 | return; 37 | }; 38 | 39 | try { 40 | field1 = values[0]; 41 | field2 = values[1]; 42 | } catch(ArrayIndexOutOfBoundsException e) { 43 | logger.warn("Some values are missing."); 44 | } 45 | } 46 | 47 | /** 48 | * Convert internal data to a format accepted by core logic 49 | * @return DomainData 50 | */ 51 | public DomainData toCoreData() { 52 | DomainData domainData = new DomainData(); 53 | domainData.field1 = field1; 54 | domainData.field2 = field2; 55 | return domainData; 56 | } 57 | } 58 | 59 | /** 60 | * Take data from a file. 61 | * @param fileName Name of a file expected to be in the classpath, for example in /src/main/resources 62 | */ 63 | public void takeInput(String fileName) { 64 | String csvFile = fileName; 65 | String line; 66 | String cvsSplitBy = ","; 67 | FileReaderAdapterData data = new FileReaderAdapterData(); 68 | 69 | logger.info("Started taking input."); 70 | InputStream is = getClass().getClassLoader().getResourceAsStream(csvFile); 71 | if (is == null) { 72 | logger.warn("Failed to find file: {}", csvFile); 73 | return; 74 | } 75 | try (InputStreamReader streamReader = new InputStreamReader(is); 76 | BufferedReader bufferedReader = new BufferedReader(streamReader)) { 77 | if ((line = bufferedReader.readLine()) != null) { 78 | data.setFields(line.split(cvsSplitBy)); 79 | } 80 | } catch (IOException e) { 81 | logger.warn("Failed to take input: {}", e.getMessage()); 82 | return; 83 | } 84 | 85 | logger.info("Sending input to our magic business logic port to interpret."); 86 | try { 87 | magicDomainLogicPort.interpretData(data.toCoreData()); 88 | } catch (IllegalArgumentException e) { 89 | // TODO Questionable if handling this kind of exception in any more depth is desirable in a domain agnostic adapter 90 | logger.warn("Interpreter rejected the data."); 91 | } 92 | } 93 | } -------------------------------------------------------------------------------- /adapter-persistence/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("shared-config") 3 | } 4 | 5 | dependencies { 6 | implementation(project(":ports")) 7 | } 8 | -------------------------------------------------------------------------------- /adapter-persistence/src/main/java/com/jdriven/adapters/persistence/SystemOutPersistence.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.adapters.persistence; 2 | 3 | import com.jdriven.adapters.persistence.utility.SuperHandyUtil; 4 | import com.jdriven.domain.models.DomainData; 5 | import com.jdriven.domain.ports.PersistencePort; 6 | import org.slf4j.Logger; 7 | import org.slf4j.LoggerFactory; 8 | 9 | /** 10 | * Implementation of the PersistencePort based on System.out 11 | */ 12 | public class SystemOutPersistence implements PersistencePort { 13 | private static final Logger logger = LoggerFactory.getLogger(SystemOutPersistence.class); 14 | 15 | public void store(DomainData domainData) { 16 | logger.info("Persisted domainData: {}", SuperHandyUtil.extractConcatenatedFields(domainData)); 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /adapter-persistence/src/main/java/com/jdriven/adapters/persistence/utility/SuperHandyUtil.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.adapters.persistence.utility; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | 5 | /** 6 | * An arguably handy utility class that really shouldn't be available outside of this module 7 | */ 8 | public class SuperHandyUtil { 9 | 10 | public static String extractConcatenatedFields(DomainData domainData) { 11 | if (domainData == null) { 12 | return ""; 13 | } 14 | return domainData.field1 + domainData.field2; 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /application/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | application 3 | id("shared-config") 4 | } 5 | 6 | dependencies { 7 | implementation(project(":core")) 8 | implementation(project(":ports")) 9 | implementation(project(":adapter-input-handler")) 10 | implementation(project(":adapter-persistence")) 11 | 12 | testImplementation("com.tngtech.archunit:archunit-junit5:0.16.0") 13 | } 14 | 15 | tasks.test { 16 | useJUnitPlatform() 17 | } 18 | 19 | application { 20 | // Define the main class for the application. 21 | mainClass.set("com.jdriven.application.Application") 22 | } 23 | -------------------------------------------------------------------------------- /application/src/main/java/com/jdriven/application/Application.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.application; 2 | 3 | import com.jdriven.adapters.inputhandler.FileInputHandler; 4 | import com.jdriven.adapters.persistence.SystemOutPersistence; 5 | import com.jdriven.domain.services.MagicDomainLogicService; 6 | import com.jdriven.domain.ports.MagicDomainLogicPort; 7 | import com.jdriven.domain.ports.PersistencePort; 8 | import org.slf4j.Logger; 9 | import org.slf4j.LoggerFactory; 10 | 11 | /** 12 | * Main application. 13 | */ 14 | public class Application { 15 | 16 | private static final Logger logger = LoggerFactory.getLogger(Application.class); 17 | 18 | public static void main(String[] args) { 19 | 20 | logger.info("Running main application."); 21 | 22 | /* 23 | Inject dependencies 24 | */ 25 | PersistencePort persistencePort = new SystemOutPersistence(); 26 | MagicDomainLogicPort magicDomainLogicPort = new MagicDomainLogicService(persistencePort); 27 | FileInputHandler fileInputHandler = new FileInputHandler(magicDomainLogicPort); 28 | 29 | /* 30 | Initiate input 31 | */ 32 | fileInputHandler.takeInput("data.csv"); 33 | 34 | logger.info("Stopped running."); 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /application/src/main/resources/data.csv: -------------------------------------------------------------------------------- 1 | "value1","value2" -------------------------------------------------------------------------------- /application/src/test/java/CleanArchitectureValidationTest.java: -------------------------------------------------------------------------------- 1 | import com.tngtech.archunit.core.importer.ImportOption; 2 | import com.tngtech.archunit.junit.AnalyzeClasses; 3 | import com.tngtech.archunit.junit.ArchTest; 4 | import com.tngtech.archunit.lang.ArchRule; 5 | 6 | import static com.tngtech.archunit.library.Architectures.layeredArchitecture; 7 | 8 | /** 9 | * ArchUnit test validates general software architecture principles of clean architecture. 10 | */ 11 | @AnalyzeClasses(packages = "com.jdriven", importOptions = {ImportOption.DoNotIncludeTests.class}) 12 | class CleanArchitectureValidationTest { 13 | 14 | private static final String[] domainModelPackages = {"..domain.models"}; 15 | private static final String[] domainPortsPackages = {"..domain.ports"}; 16 | private static final String[] domainServicePackages = {"..domain.services"}; 17 | private static final String[] adapterPackages = {"..adapters.."}; 18 | private static final String[] bootstrapPackages = {"..application"}; 19 | 20 | private static final String DOMAIN_MODEL_LAYER = "domain model"; 21 | private static final String DOMAIN_SERVICE_LAYER = "domain service"; 22 | private static final String PORT_LAYER = "ports"; 23 | private static final String ADAPTER_LAYER = "adapter"; 24 | private static final String BOOTSTRAP_LAYER = "bootstrap"; 25 | 26 | /** 27 | * TODO We should also forbid adapters from calling each other! 28 | */ 29 | @ArchTest 30 | static final ArchRule adheresToCleanArchitecture = layeredArchitecture() 31 | .layer(DOMAIN_MODEL_LAYER).definedBy(domainModelPackages) 32 | .layer(DOMAIN_SERVICE_LAYER).definedBy(domainServicePackages) 33 | .layer(PORT_LAYER).definedBy(domainPortsPackages) 34 | .layer(ADAPTER_LAYER).definedBy(adapterPackages) 35 | .layer(BOOTSTRAP_LAYER).definedBy(bootstrapPackages) 36 | .whereLayer(BOOTSTRAP_LAYER).mayNotBeAccessedByAnyLayer() 37 | .whereLayer(ADAPTER_LAYER).mayOnlyBeAccessedByLayers(BOOTSTRAP_LAYER) 38 | .whereLayer(DOMAIN_MODEL_LAYER).mayOnlyBeAccessedByLayers(ADAPTER_LAYER, DOMAIN_SERVICE_LAYER, PORT_LAYER) 39 | .whereLayer(DOMAIN_SERVICE_LAYER).mayOnlyBeAccessedByLayers(BOOTSTRAP_LAYER) 40 | .whereLayer(PORT_LAYER).mayOnlyBeAccessedByLayers(BOOTSTRAP_LAYER, ADAPTER_LAYER, DOMAIN_SERVICE_LAYER) 41 | .because("In hexagonal architecture, dependencies should point inward."); 42 | } 43 | -------------------------------------------------------------------------------- /buildSrc/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | `kotlin-dsl` 3 | } 4 | 5 | repositories { 6 | mavenCentral() 7 | } 8 | -------------------------------------------------------------------------------- /buildSrc/src/main/kotlin/shared-config.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | `java-library` 3 | } 4 | 5 | group = "com.jdriven" 6 | version = "0.0.1-SNAPSHOT" 7 | 8 | repositories { 9 | mavenCentral() 10 | } 11 | 12 | dependencies { 13 | implementation("org.slf4j:slf4j-api:1.7.30") 14 | implementation("ch.qos.logback:logback-classic:1.2.3") 15 | } 16 | 17 | java { 18 | sourceCompatibility = JavaVersion.VERSION_14 19 | targetCompatibility = JavaVersion.VERSION_14 20 | } 21 | -------------------------------------------------------------------------------- /core/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("shared-config") 3 | } 4 | 5 | dependencies { 6 | implementation(project(":ports")) 7 | testImplementation("org.junit.jupiter:junit-jupiter-engine:5.7.0") 8 | } 9 | 10 | tasks.test { 11 | useJUnitPlatform() 12 | } 13 | -------------------------------------------------------------------------------- /core/src/main/java/com/jdriven/domain/services/MagicDomainLogicService.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.domain.services; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | import com.jdriven.domain.ports.MagicDomainLogicPort; 5 | import com.jdriven.domain.ports.PersistencePort; 6 | import org.slf4j.Logger; 7 | import org.slf4j.LoggerFactory; 8 | 9 | /** 10 | * Service that handles the magic business logic that is at the core of this application. 11 | */ 12 | public class MagicDomainLogicService implements MagicDomainLogicPort { 13 | 14 | private static final Logger logger = LoggerFactory.getLogger(MagicDomainLogicService.class); 15 | 16 | private final PersistencePort persistencePort; 17 | 18 | public MagicDomainLogicService(PersistencePort persistencePort) { 19 | this.persistencePort = persistencePort; 20 | } 21 | 22 | public void interpretData(DomainData inputData) { 23 | logger.info("Started interpreting data."); 24 | if (inputData.field2 == null) { 25 | // TODO Throwing an exception here will make the driving adapter responsible for handling it. That's not desirable. 26 | throw new IllegalArgumentException("Interpretation failed: field2 may not be null. Not persisting."); 27 | } 28 | logger.info("Finished interpreting data. Storing."); 29 | persistencePort.store(inputData); 30 | logger.info("Finished storing data."); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /core/src/test/java/com/jdriven/domain/DomainDataInterpretationServiceTest.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.domain; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | import com.jdriven.domain.ports.PersistencePort; 5 | import com.jdriven.domain.services.MagicDomainLogicService; 6 | import org.junit.jupiter.api.Assertions; 7 | import org.junit.jupiter.api.BeforeEach; 8 | import org.junit.jupiter.api.Test; 9 | 10 | /** 11 | * Unit test for the data interpreter. 12 | */ 13 | public class DomainDataInterpretationServiceTest { 14 | private PersistencePort persistencePort; 15 | 16 | /** 17 | * Mock implementation of PersistencePort 18 | */ 19 | private static class MockPersistencePort implements PersistencePort { 20 | public void store(DomainData domainData) { 21 | // Mock. Do nothing. 22 | } 23 | } 24 | 25 | @BeforeEach 26 | private void prepData() { 27 | persistencePort = new MockPersistencePort(); 28 | } 29 | 30 | @Test 31 | public void testValidInput() { 32 | DomainData inputData = new DomainData(); 33 | inputData.field1 = "whatever"; 34 | inputData.field2 = "something not null"; 35 | 36 | MagicDomainLogicService coreDataInterpreter = new MagicDomainLogicService(persistencePort); 37 | Assertions.assertDoesNotThrow(() -> coreDataInterpreter.interpretData(inputData)); 38 | } 39 | 40 | @Test 41 | public void testInvalidInput() { 42 | DomainData inputData = new DomainData(); 43 | inputData.field1 = "whatever"; 44 | inputData.field2 = null; 45 | 46 | MagicDomainLogicService coreDataInterpreter = new MagicDomainLogicService(persistencePort); 47 | Assertions.assertThrows(IllegalArgumentException.class, () -> coreDataInterpreter.interpretData(inputData)); 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jasperbogers/hexagonal-architecture-gradle-java/2235f75633fe77c50b37c4131819913e414f310a/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # 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, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /ports/build.gradle.kts: -------------------------------------------------------------------------------- 1 | plugins { 2 | id("shared-config") 3 | } 4 | -------------------------------------------------------------------------------- /ports/src/main/java/com/jdriven/domain/models/DomainData.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.domain.models; 2 | 3 | /** 4 | * Data container in the language of the core domain logic 5 | */ 6 | public class DomainData { 7 | public String field1; 8 | public String field2; 9 | } 10 | -------------------------------------------------------------------------------- /ports/src/main/java/com/jdriven/domain/ports/MagicDomainLogicPort.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.domain.ports; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | 5 | /** 6 | * Object for interpreting core data 7 | */ 8 | public interface MagicDomainLogicPort { 9 | void interpretData(DomainData inputData); 10 | } 11 | 12 | -------------------------------------------------------------------------------- /ports/src/main/java/com/jdriven/domain/ports/PersistencePort.java: -------------------------------------------------------------------------------- 1 | package com.jdriven.domain.ports; 2 | 3 | import com.jdriven.domain.models.DomainData; 4 | 5 | /** 6 | * "Driven" Adapter 7 | * d nieu 8 | * Port for persistence of core data. 9 | */ 10 | public interface PersistencePort { 11 | void store(DomainData domainData); 12 | } 13 | -------------------------------------------------------------------------------- /settings.gradle.kts: -------------------------------------------------------------------------------- 1 | rootProject.name = "hex-basic" 2 | 3 | include("application") 4 | include("core") 5 | include("adapter-input-handler") 6 | include("adapter-persistence") 7 | include("ports") 8 | --------------------------------------------------------------------------------