Java tutorial
/******************************************************************************* * This file is protected by Copyright. * Please refer to the COPYRIGHT file distributed with this source distribution. * * This file is part of REDHAWK IDE. * * All rights reserved. This program and the accompanying materials are made available under * the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html *******************************************************************************/ package gov.redhawk.ide.debug.internal.ui; import gov.redhawk.ide.debug.LocalLaunch; import gov.redhawk.ide.debug.LocalScaComponent; import gov.redhawk.ide.debug.LocalScaWaveform; import gov.redhawk.ide.debug.ScaDebugPlugin; import gov.redhawk.ide.debug.ui.ScaDebugUiPlugin; import gov.redhawk.model.sca.ScaComponent; import gov.redhawk.model.sca.ScaDevice; import gov.redhawk.model.sca.commands.ScaModelCommand; import gov.redhawk.sca.util.PluginUtil; import java.util.Arrays; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.expressions.IEvaluationContext; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.debug.core.DebugException; import org.eclipse.emf.common.util.EList; import org.eclipse.emf.ecore.util.EcoreUtil; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.ui.handlers.HandlerUtil; import org.eclipse.ui.statushandlers.StatusManager; import CF.LifeCyclePackage.ReleaseError; /** * */ public class TerminateLocalLaunchHandler extends AbstractHandler { /** * {@inheritDoc} */ @Override public Object execute(final ExecutionEvent event) throws ExecutionException { ISelection sel = HandlerUtil.getActiveMenuSelection(event); if (sel == null) { sel = HandlerUtil.getCurrentSelection(event); } if (sel instanceof IStructuredSelection) { final IStructuredSelection ss = (IStructuredSelection) sel; for (final Object obj : ss.toList()) { try { handleTerminate(obj, event); } catch (final CoreException e) { StatusManager.getManager().handle(e, ScaDebugUiPlugin.PLUGIN_ID); } } } return null; } private void handleTerminate(final Object obj, final ExecutionEvent event) throws CoreException { final LocalLaunch localLaunch = PluginUtil.adapt(LocalLaunch.class, obj); if (localLaunch != null) { if (localLaunch == ScaDebugPlugin.getInstance().getLocalSca().getSandboxWaveform()) { EList<ScaComponent> components = ScaDebugPlugin.getInstance().getLocalSca().getSandboxWaveform() .getComponents(); for (Object c : components.toArray()) { if (c instanceof LocalLaunch) { terminate((LocalLaunch) c); } } } else if (localLaunch == ScaDebugPlugin.getInstance().getLocalSca().getSandboxDeviceManager()) { EList<ScaDevice<?>> devices = ScaDebugPlugin.getInstance().getLocalSca().getSandboxDeviceManager() .getAllDevices(); for (ScaDevice<?> c : devices) { if (c instanceof LocalLaunch) { terminate((LocalLaunch) c); } } } else { terminate(localLaunch); } } } /** * @param localLaunch */ private void terminate(final LocalLaunch localLaunch) { ScaModelCommand.execute(localLaunch, new ScaModelCommand() { @Override public void execute() { EcoreUtil.delete(localLaunch); } }); if (localLaunch.getLaunch() != null) { final Job job = new Job("Terminating") { @Override protected IStatus run(final IProgressMonitor monitor) { try { localLaunch.getLaunch().terminate(); } catch (final DebugException e) { return new Status(e.getStatus().getSeverity(), ScaDebugUiPlugin.PLUGIN_ID, "Failed to terminate.", e); } return Status.OK_STATUS; } }; job.schedule(); } else if (localLaunch instanceof LocalScaWaveform) { final Job job = new Job("Terminating") { @Override protected IStatus run(final IProgressMonitor monitor) { LocalScaWaveform localScaWaveform = (LocalScaWaveform) localLaunch; try { for (ScaComponent comp : localScaWaveform.getComponents()) { if (comp instanceof LocalScaComponent) { LocalScaComponent localScaComponent = (LocalScaComponent) comp; if (localScaComponent.getLaunch() != null) { localScaComponent.getLaunch().terminate(); } } } localScaWaveform.releaseObject(); } catch (final DebugException e) { return new Status(e.getStatus().getSeverity(), ScaDebugUiPlugin.PLUGIN_ID, "Failed to terminate " + localScaWaveform.getName(), e); } catch (ReleaseError e) { return new Status(IStatus.ERROR, ScaDebugUiPlugin.PLUGIN_ID, "Failed to terminate: " + localScaWaveform.getName() + " " + Arrays.toString(e.errorMessages), e); } return Status.OK_STATUS; } }; job.schedule(); } } @Override public void setEnabled(final Object evaluationContext) { super.setEnabled(evaluationContext); if (evaluationContext instanceof IEvaluationContext) { final IEvaluationContext context = (IEvaluationContext) evaluationContext; final Object sel = context.getVariable("selection"); if (sel instanceof IStructuredSelection) { final IStructuredSelection ss = (IStructuredSelection) sel; for (final Object obj : ss.toList()) { final LocalLaunch ll = PluginUtil.adapt(LocalLaunch.class, obj); if (ll != null) { setBaseEnabled(true); return; } } } } setBaseEnabled(false); } }