├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── src ├── main └── java │ └── org │ └── gradle │ └── java │ ├── JavaModule.java │ └── JigsawPlugin.java └── test └── groovy └── org └── gradle └── java └── JigsawPluginSpec.groovy /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | /build/ 3 | 4 | # Ignore Gradle GUI config 5 | gradle-app.setting 6 | 7 | # Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored) 8 | !gradle-wrapper.jar 9 | 10 | # Cache of project 11 | .gradletasknamecache 12 | 13 | # # Work around https://youtrack.jetbrains.com/issue/IDEA-116898 14 | # gradle/wrapper/gradle-wrapper.properties 15 | 16 | # IntelliJ IDEA 17 | .idea 18 | classes 19 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # gradle-java-modules 2 | 3 | A place for experimenting with Java 9's module system. 4 | 5 | Gradle doesn't currently support building Java 9 modules in a first-class way. For now, this repository acts as a place 6 | for us to develop a shared knowledge of what we need to do to bring that first-class support to a reality in the future. 7 | 8 | ## The Experimental Jigsaw Plugin 9 | Please feel free to use the 10 | [`org.gradle.java.experimental-jigsaw` Plugin](https://plugins.gradle.org/plugin/org.gradle.java.experimental-jigsaw) 11 | developed in this repository, but understand that it is not very sophisticated or particularly well-tested at 12 | this point in its development. 13 | 14 | If you already have a working Java project, applying the plugin is just two steps: 15 | 16 | 1. Apply the plugin: 17 | ```groovy 18 | plugins { 19 | id 'org.gradle.java.experimental-jigsaw' version '0.1.1' 20 | } 21 | ``` 22 | 2. Set the module name: 23 | ```groovy 24 | javaModule.name = '' 25 | ``` 26 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'groovy' 3 | id 'idea' 4 | id 'java-gradle-plugin' 5 | id 'com.gradle.plugin-publish' version '0.9.7' 6 | } 7 | 8 | group = 'org.gradle.java' 9 | version = '0.1.1' 10 | 11 | targetCompatibility = '1.7' 12 | sourceCompatibility = '1.7' 13 | 14 | // Fix a bad interaction with IntelliJ and Gradle > 4.0 15 | idea.module.inheritOutputDirs = true 16 | 17 | // make the publishing plugin skip checks that disallow publishing to com.gradle / org.gradle groups 18 | System.setProperty('gradle.publish.skip.namespace.check', 'true') 19 | 20 | repositories { 21 | jcenter() 22 | } 23 | 24 | dependencies { 25 | testCompile ('org.spockframework:spock-core:1.1-groovy-2.4') { 26 | exclude module: 'groovy-all' 27 | } 28 | } 29 | 30 | gradlePlugin { 31 | plugins { 32 | experimentalJigsawPlugin { 33 | id = "org.gradle.java.experimental-jigsaw" 34 | implementationClass = "org.gradle.java.JigsawPlugin" 35 | } 36 | } 37 | } 38 | 39 | pluginBundle { 40 | website = 'https://guides.gradle.org/building-java-9-modules' 41 | vcsUrl = 'https://github.com/gradle/gradle-java-modules' 42 | plugins { 43 | experimentalJigsawPlugin { 44 | id = 'org.gradle.java.experimental-jigsaw' 45 | displayName = 'Experimental Jigsaw Plugin' 46 | description = 'Experiment with Java 9 modules before they are officially supported.' 47 | tags = ['jigsaw', 'modules', 'java9'] 48 | version = project.version 49 | } 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/gradle/gradle-java-modules/3538ef0a7d8858f4287f4e06597318112281c063/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jul 21 14:31:04 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-rc-1-bin.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = "experimental-jigsaw" 2 | -------------------------------------------------------------------------------- /src/main/java/org/gradle/java/JavaModule.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 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 | package org.gradle.java; 17 | 18 | /** 19 | * Represents information about a Java 9 module. 20 | */ 21 | public class JavaModule { 22 | private String moduleName; 23 | 24 | public String geName() { 25 | return moduleName; 26 | } 27 | 28 | public void setName(String name) { 29 | this.moduleName = name; 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /src/main/java/org/gradle/java/JigsawPlugin.java: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 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 | package org.gradle.java; 17 | 18 | import org.gradle.api.Action; 19 | import org.gradle.api.GradleException; 20 | import org.gradle.api.Plugin; 21 | import org.gradle.api.Project; 22 | import org.gradle.api.Task; 23 | import org.gradle.api.logging.Logger; 24 | import org.gradle.api.logging.Logging; 25 | import org.gradle.api.plugins.ApplicationPlugin; 26 | import org.gradle.api.plugins.AppliedPlugin; 27 | import org.gradle.api.plugins.JavaPlugin; 28 | import org.gradle.api.tasks.JavaExec; 29 | import org.gradle.api.tasks.SourceSet; 30 | import org.gradle.api.tasks.SourceSetContainer; 31 | import org.gradle.api.tasks.compile.JavaCompile; 32 | import org.gradle.api.tasks.testing.Test; 33 | import org.gradle.jvm.application.tasks.CreateStartScripts; 34 | 35 | import java.io.File; 36 | import java.io.IOException; 37 | import java.nio.charset.StandardCharsets; 38 | import java.nio.file.Files; 39 | import java.nio.file.Path; 40 | import java.util.ArrayList; 41 | import java.util.List; 42 | 43 | public class JigsawPlugin implements Plugin { 44 | private static final Logger LOGGER = Logging.getLogger(JigsawPlugin.class); 45 | 46 | private static final String APPLICATION_PLUGIN = "application"; 47 | 48 | private static final String EXTENSION_NAME = "javaModule"; 49 | 50 | private static final String LIBS_PLACEHOLDER = "APP_HOME_LIBS_PLACEHOLDER"; 51 | 52 | @Override 53 | public void apply(Project project) { 54 | LOGGER.debug("Applying JigsawPlugin to " + project.getName()); 55 | project.getPlugins().apply(JavaPlugin.class); 56 | project.getExtensions().create(EXTENSION_NAME, JavaModule.class); 57 | 58 | configureJavaTasks(project); 59 | } 60 | 61 | private void configureJavaTasks(final Project project) { 62 | project.afterEvaluate(new Action() { 63 | @Override 64 | public void execute(final Project project) { 65 | configureCompileJavaTask(project); 66 | configureCompileTestJavaTask(project); 67 | configureTestTask(project); 68 | project.getPluginManager().withPlugin(APPLICATION_PLUGIN, new Action() { 69 | @Override 70 | public void execute(AppliedPlugin appliedPlugin) { 71 | configureRunTask(project); 72 | configureStartScriptsTask(project); 73 | } 74 | }); 75 | } 76 | }); 77 | } 78 | 79 | private void configureCompileJavaTask(final Project project) { 80 | final JavaCompile compileJava = (JavaCompile) project.getTasks().findByName(JavaPlugin.COMPILE_JAVA_TASK_NAME); 81 | compileJava.doFirst(new Action() { 82 | @Override 83 | public void execute(Task task) { 84 | List args = new ArrayList<>(); 85 | args.add("--module-path"); 86 | args.add(compileJava.getClasspath().getAsPath()); 87 | compileJava.getOptions().setCompilerArgs(args); 88 | compileJava.setClasspath(project.files()); 89 | } 90 | }); 91 | } 92 | 93 | private void configureCompileTestJavaTask(final Project project) { 94 | final JavaCompile compileTestJava = (JavaCompile) project.getTasks() 95 | .findByName(JavaPlugin.COMPILE_TEST_JAVA_TASK_NAME); 96 | final SourceSet test = ((SourceSetContainer) project.getProperties().get("sourceSets")).getByName("test"); 97 | final JavaModule module = (JavaModule) project.getExtensions().getByName(EXTENSION_NAME); 98 | compileTestJava.getInputs().property("moduleName", module.geName()); 99 | compileTestJava.doFirst(new Action() { 100 | @Override 101 | public void execute(Task task) { 102 | List args = new ArrayList<>(); 103 | args.add("--module-path"); 104 | args.add(compileTestJava.getClasspath().getAsPath()); 105 | args.add("--add-modules"); 106 | args.add("junit"); 107 | args.add("--add-reads"); 108 | args.add(module.geName() + "=junit"); 109 | args.add("--patch-module"); 110 | args.add(module.geName() + "=" + test.getJava().getSourceDirectories().getAsPath()); 111 | compileTestJava.getOptions().setCompilerArgs(args); 112 | compileTestJava.setClasspath(project.files()); 113 | } 114 | }); 115 | } 116 | 117 | private void configureTestTask(final Project project) { 118 | final Test testTask = (Test) project.getTasks().findByName(JavaPlugin.TEST_TASK_NAME); 119 | final SourceSet test = ((SourceSetContainer) project.getProperties().get("sourceSets")).getByName("test"); 120 | final JavaModule module = (JavaModule) project.getExtensions().getByName(EXTENSION_NAME); 121 | testTask.getInputs().property("moduleName", module.geName()); 122 | testTask.doFirst(new Action() { 123 | @Override 124 | public void execute(Task task) { 125 | List args = new ArrayList<>(); 126 | args.add("--module-path"); 127 | args.add(testTask.getClasspath().getAsPath()); 128 | args.add("--add-modules"); 129 | args.add("ALL-MODULE-PATH"); 130 | args.add("--add-reads"); 131 | args.add(module.geName() + "=junit"); 132 | args.add("--patch-module"); 133 | args.add(module.geName() + "=" + test.getJava().getOutputDir()); 134 | testTask.setJvmArgs(args); 135 | testTask.setClasspath(project.files()); 136 | } 137 | }); 138 | } 139 | 140 | private void configureRunTask(final Project project) { 141 | final JavaExec run = (JavaExec) project.getTasks().findByName(ApplicationPlugin.TASK_RUN_NAME); 142 | final JavaModule module = (JavaModule) project.getExtensions().getByName(EXTENSION_NAME); 143 | run.getInputs().property("moduleName", module.geName()); 144 | run.doFirst(new Action() { 145 | @Override 146 | public void execute(Task task) { 147 | List args = new ArrayList<>(); 148 | args.add("--module-path"); 149 | args.add(run.getClasspath().getAsPath()); 150 | args.add("--module"); 151 | args.add(module.geName() + "/" + run.getMain()); 152 | run.setJvmArgs(args); 153 | run.setClasspath(project.files()); 154 | } 155 | }); 156 | } 157 | 158 | private void configureStartScriptsTask(final Project project) { 159 | final CreateStartScripts startScripts = (CreateStartScripts) project.getTasks() 160 | .findByName(ApplicationPlugin.TASK_START_SCRIPTS_NAME); 161 | final JavaModule module = (JavaModule) project.getExtensions().getByName(EXTENSION_NAME); 162 | startScripts.getInputs().property("moduleName", module.geName()); 163 | startScripts.doFirst(new Action() { 164 | @Override 165 | public void execute(Task task) { 166 | startScripts.setClasspath(project.files()); 167 | List args = new ArrayList<>(); 168 | args.add("--module-path"); 169 | args.add(LIBS_PLACEHOLDER); 170 | args.add("--module"); 171 | args.add(module.geName() + "/" + startScripts.getMainClassName()); 172 | startScripts.setDefaultJvmOpts(args); 173 | } 174 | }); 175 | startScripts.doLast(new Action() { 176 | @Override 177 | public void execute(Task task) { 178 | File bashScript = new File(startScripts.getOutputDir(), startScripts.getApplicationName()); 179 | replaceLibsPlaceHolder(bashScript.toPath(), "\\$APP_HOME/lib"); 180 | File batFile = new File(startScripts.getOutputDir(), startScripts.getApplicationName() + ".bat"); 181 | replaceLibsPlaceHolder(batFile.toPath(), "%APP_HOME%\\lib"); 182 | } 183 | }); 184 | } 185 | 186 | private void replaceLibsPlaceHolder(Path path, String newText) { 187 | try { 188 | List bashContent = new ArrayList<>(Files.readAllLines(path, StandardCharsets.UTF_8)); 189 | for (int i=0; i < bashContent.size(); i++) { 190 | bashContent.set(i, bashContent.get(i).replaceFirst(LIBS_PLACEHOLDER, newText)); 191 | } 192 | Files.write(path, bashContent, StandardCharsets.UTF_8); 193 | } catch (IOException e) { 194 | throw new GradleException("Couldn't replace placeholder in " + path); 195 | } 196 | } 197 | } 198 | -------------------------------------------------------------------------------- /src/test/groovy/org/gradle/java/JigsawPluginSpec.groovy: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2017 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 | package org.gradle.java 17 | 18 | import org.gradle.testkit.runner.GradleRunner 19 | import org.junit.Rule 20 | import org.junit.rules.TemporaryFolder 21 | import spock.lang.IgnoreIf 22 | import spock.lang.Specification 23 | 24 | import static org.gradle.testkit.runner.TaskOutcome.SUCCESS 25 | 26 | class JigsawPluginSpec extends Specification { 27 | @Rule 28 | final TemporaryFolder tmpDir = new TemporaryFolder() 29 | static final NOT_JAVA_9 = !System.getProperty("java.version").startsWith("9") 30 | 31 | def setup() { 32 | def buildFile = tmpDir.newFile("build.gradle") 33 | buildFile << """ 34 | plugins { 35 | id 'application' 36 | id 'org.gradle.java.experimental-jigsaw' version '0.1.0' 37 | } 38 | 39 | repositories { 40 | jcenter() 41 | } 42 | 43 | dependencies { 44 | testImplementation 'junit:junit:4.12' 45 | } 46 | 47 | javaModule.name = 'test.module' 48 | mainClassName = 'io.example.AClass' 49 | """ 50 | def settingsFile = tmpDir.newFile("settings.gradle") 51 | settingsFile << """ 52 | rootProject.name = "modular" 53 | """ 54 | tmpDir.newFolder("src", "main", "java", "io", "example") 55 | tmpDir.newFolder("src", "test", "java", "io", "example") 56 | 57 | def moduleDescriptor = tmpDir.newFile("src/main/java/module-info.java") 58 | moduleDescriptor << """ 59 | module test.module { 60 | exports io.example; 61 | } 62 | """ 63 | def sourceFile = tmpDir.newFile("src/main/java/io/example/AClass.java") 64 | sourceFile << """ 65 | package io.example; 66 | public class AClass { 67 | public void aMethod(String aString) { 68 | System.out.println(aString); 69 | } 70 | 71 | public static void main(String... args) { 72 | new AClass().aMethod("Hello World!"); 73 | } 74 | } 75 | """ 76 | def testFile = tmpDir.newFile("src/test/java/io/example/AClassTest.java") 77 | testFile << """ 78 | package io.example; 79 | 80 | import org.junit.Test; 81 | import static org.junit.Assert.assertTrue; 82 | 83 | public class AClassTest { 84 | @Test 85 | public void isAnInstanceOfAClass() { 86 | assertTrue(new AImplementation() instanceof AClass); 87 | } 88 | 89 | static class AImplementation extends AClass { 90 | @Override 91 | public void aMethod(String aString) { 92 | // Do nothing 93 | } 94 | } 95 | } 96 | """ 97 | } 98 | 99 | @IgnoreIf({NOT_JAVA_9}) 100 | def "can assemble a module"() { 101 | when: 102 | def result = GradleRunner.create() 103 | .withProjectDir(tmpDir.root) 104 | .withArguments("assemble") 105 | .withPluginClasspath().build() 106 | 107 | then: 108 | result.task(":compileJava").outcome == SUCCESS 109 | result.task(":jar").outcome == SUCCESS 110 | new File(tmpDir.root, "build/libs/modular.jar").exists() 111 | new File(tmpDir.root, "build/classes/java/main/module-info.class").exists() 112 | new File(tmpDir.root, "build/classes/java/main/io/example/AClass.class").exists() 113 | } 114 | 115 | @IgnoreIf({NOT_JAVA_9}) 116 | def "can check a module"() { 117 | when: 118 | def result = GradleRunner.create() 119 | .withProjectDir(tmpDir.root) 120 | .withArguments("check") 121 | .withPluginClasspath().build() 122 | 123 | then: 124 | result.task(":test").outcome == SUCCESS 125 | } 126 | 127 | @IgnoreIf({NOT_JAVA_9}) 128 | def "can run with a module"() { 129 | when: 130 | def result = GradleRunner.create() 131 | .withProjectDir(tmpDir.root) 132 | .withArguments("run") 133 | .withPluginClasspath().build() 134 | 135 | then: 136 | result.output.contains("Hello World!") 137 | } 138 | } --------------------------------------------------------------------------------