Java tutorial
/************************************************************************************* * Copyright (c) 2008-2011 Red Hat, Inc. and others. * 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 * * Contributors: * JBoss by Red Hat - Initial implementation. ************************************************************************************/ package org.jboss.tools.remote.debug.ui.launching; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.jobs.IJobChangeEvent; import org.eclipse.core.runtime.jobs.IJobChangeListener; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.ui.ILaunchShortcut2; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.ITypeRoot; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.ui.JavaUI; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IEditorPart; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.jboss.tools.remote.debug.VmModel; import org.jboss.tools.remote.debug.ui.RemoteDebugUIActivator; import org.jboss.tools.remote.debug.ui.actions.RemoteLaunchAction; /** * * @author snjeza * */ public class RemoteJavaApplicationLaunchShortcut implements ILaunchShortcut2 { private int retValue; private boolean restarted; /* (non-Javadoc) * @see ILaunchShortcut#launch(ISelection, String) */ public void launch(ISelection selection, final String mode) { executeAction(getLaunchableResource(selection)); } private void executeAction(final IResource resource) { final boolean oldDiscover = RemoteDebugUIActivator.getDefault().isDiscoverRemoteApplication(); final IEclipsePreferences preferences = RemoteDebugUIActivator.getDefault().getPreferences(); preferences.putBoolean(RemoteDebugUIActivator.DISCOVER_REMOTE_APPLICATION, true); final Job job = RemoteDebugUIActivator.getDefault().getRemoteApplicationJob(); while (job.getState() != Job.NONE) { restarted = true; MessageDialog dialog = new MessageDialog(getShell(), "Remote Java Application scan already in progress", null, "Remote Java Application scan already in progress.\nPlease wait for it to be complete.", MessageDialog.QUESTION, new String[] { "OK", "Try again" }, 0); retValue = dialog.open(); if (retValue == 0) { restarted = false; return; } } restarted = false; job.addJobChangeListener(new IJobChangeListener() { @Override public void sleeping(IJobChangeEvent event) { } @Override public void scheduled(IJobChangeEvent event) { } @Override public void running(IJobChangeEvent event) { } @Override public void done(IJobChangeEvent event) { preferences.putBoolean(RemoteDebugUIActivator.DISCOVER_REMOTE_APPLICATION, oldDiscover); job.removeJobChangeListener(this); if (restarted) { final Display display = Display.getDefault(); while (restarted) { display.syncExec(new Runnable() { @Override public void run() { if (!display.readAndDispatch()) { display.sleep(); } } }); } if (retValue != 0) { return; } } Display.getDefault().asyncExec(new Runnable() { @Override public void run() { showDialog(resource); } }); } @Override public void awake(IJobChangeEvent event) { } @Override public void aboutToRun(IJobChangeEvent event) { } }); job.schedule(); } /* (non-Javadoc) * @see ILaunchShortcut#launch(IEditorPart, String) */ public void launch(IEditorPart editor, String mode) { executeAction(getLaunchableResource(editor)); } public ILaunchConfiguration[] getLaunchConfigurations(ISelection selection) { return new ILaunchConfiguration[0]; } /* (non-Javadoc) * @see ILaunchShortcut2#getLaunchConfigurations(IEditorPart) */ public ILaunchConfiguration[] getLaunchConfigurations(IEditorPart editor) { return new ILaunchConfiguration[0]; } public IResource getLaunchableResource(ISelection selection) { if (selection instanceof IStructuredSelection) { IStructuredSelection ss = (IStructuredSelection) selection; if (ss.size() == 1) { Object selected = ss.getFirstElement(); if (!(selected instanceof IJavaElement) && selected instanceof IAdaptable) { selected = ((IAdaptable) selected).getAdapter(IJavaElement.class); } if (selected instanceof IJavaElement) { return ((IJavaElement) selected).getResource(); } } } return null; } public IResource getLaunchableResource(IEditorPart editor) { ITypeRoot element = JavaUI.getEditorInputTypeRoot(editor.getEditorInput()); if (element != null) { try { return element.getCorrespondingResource(); } catch (JavaModelException e) { } } return null; } private void showDialog(IResource resource) { VmModel[] vmModels = RemoteDebugUIActivator.getDefault().getCurrentDebugModels(); if (vmModels == null || vmModels.length == 0) { boolean question = MessageDialog.openQuestion(getShell(), "No remote Java ApplicationFound", "Sorry, could not detect any running remote java applications.\nTry search again?"); if (question) { executeAction(resource); } } else { boolean autoConnect = RemoteDebugUIActivator.getDefault().isAutoConnect(); if (autoConnect && vmModels.length == 1) { new RemoteLaunchAction(vmModels[0].getPort()).run(); } else { Dialog dialog = new LaunchRemoteApplicationDialog(getShell()); dialog.open(); } } } private static Shell getShell() { IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); if (window == null) { IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows(); if (windows.length > 0) { return windows[0].getShell(); } } else { return window.getShell(); } return null; } }