ppisl commented on a change in pull request #3350: URL: https://github.com/apache/netbeans/pull/3350#discussion_r763217474
########## File path: groovy/groovy.support/src/org/netbeans/modules/groovy/support/actions/singlefilerun/SingleGroovySourceRunActionProvider.java ########## @@ -0,0 +1,168 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.netbeans.modules.groovy.support.actions.singlefilerun; + +import java.io.File; +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.Callable; +import org.netbeans.api.extexecution.ExecutionDescriptor; +import org.netbeans.api.extexecution.ExecutionService; +import org.netbeans.api.java.platform.JavaPlatformManager; +import org.netbeans.api.project.FileOwnerQuery; +import org.netbeans.api.project.Project; +import org.netbeans.spi.project.ActionProgress; +import org.netbeans.spi.project.ActionProvider; +import org.openide.filesystems.FileObject; +import org.openide.filesystems.FileUtil; +import org.openide.loaders.DataObject; +import org.openide.modules.InstalledFileLocator; +import org.openide.util.Lookup; +import org.openide.util.NbBundle; +import org.openide.util.lookup.ServiceProvider; +import org.openide.windows.IOProvider; +import org.openide.windows.InputOutput; + +/** + * This implementation provides support to run a single Groovy file without + * a parent project. + * + * @author Petr Pisl + */ +@ServiceProvider(service = ActionProvider.class) +public class SingleGroovySourceRunActionProvider implements ActionProvider { + + private static final String GROOVY_EXTENSION = "groovy"; //NOI18N + + @Override + public String[] getSupportedActions() { + return new String[]{ + ActionProvider.COMMAND_RUN_SINGLE, + ActionProvider.COMMAND_DEBUG_SINGLE + }; + } + + @NbBundle.Messages({ + "CTL_SingleGroovyFile=Running Single Groovy File" + }) + @Override + public void invokeAction(String command, Lookup context) throws IllegalArgumentException { + FileObject fileObject = getGroovyFile(context); + if (!isSingleSourceFile(fileObject)) { + return; + } + InputOutput io = IOProvider.getDefault().getIO(Bundle.CTL_SingleGroovyFile(), false); + ActionProgress progress = ActionProgress.start(context); + ExecutionDescriptor descriptor = new ExecutionDescriptor(). + controllable(true). + frontWindow(true). + preExecution(null). + inputOutput(io). + postExecution((exitCode) -> { + progress.finished(exitCode == 0); + }); + JPDAStart jpdaStart = ActionProvider.COMMAND_DEBUG_SINGLE.equals(command) ? + new JPDAStart(io, fileObject) : null; + LaunchProcess process = new LaunchProcess(fileObject, jpdaStart); + ExecutionService exeService = ExecutionService.newService( + process, + descriptor, Bundle.CTL_SingleGroovyFile()); + exeService.run(); + } + + @Override + public boolean isActionEnabled(String command, Lookup context) throws IllegalArgumentException { + return isSingleSourceFile(getGroovyFile(context)); + } + + static private boolean isSingleSourceFile(FileObject fileObject) { + if (fileObject == null) { + return false; + } + Project p = FileOwnerQuery.getOwner(fileObject); + return p == null; + } + + static private FileObject getGroovyFile(Lookup lookup) { + for (DataObject dObj : lookup.lookupAll(DataObject.class)) { + FileObject fObj = dObj.getPrimaryFile(); + if (GROOVY_EXTENSION.equals(fObj.getExt().toLowerCase())) { + return fObj; + } + } + for (FileObject fObj : lookup.lookupAll(FileObject.class)) { + if (GROOVY_EXTENSION.equals(fObj.getExt().toLowerCase())) { + return fObj; + } + } + return null; + } + + private static class LaunchProcess implements Callable<Process> { + + private final FileObject fileObject; + private final JPDAStart startDebug; + + public LaunchProcess(FileObject file, JPDAStart startDebug) { + this.fileObject = file; + this.startDebug = startDebug; + } + + @Override + public Process call() throws Exception { + if (startDebug != null) { + return setupProcess(startDebug.execute()); + } + return setupProcess(null); + } + + private Process setupProcess(String port) throws InterruptedException { + List<String> commandList = new ArrayList<>(); + FileObject java = JavaPlatformManager.getDefault().getDefaultPlatform().findTool("java"); //NOI18N + File groovyJar = InstalledFileLocator.getDefault().locate("modules/org-netbeans-modules-libs-groovy.jar", null, false); //NOI18N + + // the command should be like java -cp .:paht_to_groovy_jars groovy.ui.GroovyMain path_to_script" + commandList.add(FileUtil.toFile(java).getAbsolutePath()); // NOI18N + + if (port != null) { + commandList.add("-agentlib:jdwp=transport=dt_socket,address=" + port + ",server=n"); //NOI18N + } + commandList.add("-cp"); // NOI18N + // TODO can we add here some heuristic, from which folder and appropriate path the script can be run? + // For example we can look for the `src` or `src/groovy` fodler, from which the script can be probably run. + commandList.add(".:" + groovyJar.getAbsolutePath()); //NOI18N + + commandList.add("groovy.ui.GroovyMain"); //NOI18N + commandList.add(fileObject.getNameExt()); + ProcessBuilder pb = new ProcessBuilder(commandList); + pb.directory(FileUtil.toFile(fileObject.getParent())).redirectErrorStream(true) + .redirectOutput(); + try { + return pb.start(); + } catch (IOException ex) { + System.out.println("Could not get InputStream of Run Process"); Review comment: Uff, I have overlook this. 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