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; import java.util.ArrayList; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IAdaptable; 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.core.runtime.preferences.IEclipsePreferences; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.debug.core.DebugPlugin; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; import org.eclipse.debug.core.ILaunchManager; import org.eclipse.debug.core.model.IPersistableSourceLocator; import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupDirector; import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ITreeSelection; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.jboss.tools.remote.debug.RemoteDebugActivator; import org.jboss.tools.remote.debug.VmModel; import org.jboss.tools.remote.debug.ui.preferences.RemoteDebug; import org.osgi.framework.BundleContext; import org.osgi.service.prefs.BackingStoreException; /** * The activator class controls the plug-in life cycle */ public class RemoteDebugUIActivator extends AbstractUIPlugin { // The plug-in ID public static final String PLUGIN_ID = "org.jboss.tools.remote.debug.ui"; //$NON-NLS-1$ public static final String PORT = "port"; public static final String DESCRIPTION = "description"; public static final String SHOW = "show"; public static final int KEYS = 10; public static final String DEFAULT_PORT = "0"; public static final String DEFAULT_DESCRIPTION = ""; public static final boolean DEFAULT_SHOW = true; public static final String DISCOVER_REMOTE_APPLICATION = "discoverRemoteApplication"; public static final boolean DEFAULT_DISCOVER_REMOTE_APPLICATION = true; public static final String COMMAND_PREFIX = "org.jboss.tools.remote.debug."; public static final String CONFIGURE_ACTION_ID = "org.jboss.tools.remote.debug.ui.configure"; //$NON-NLS-1$ public static final String AUTO_CONNECT = "autoConnect"; public static final boolean AUTO_CONNECT_DEFAULT = false; private static final String KEY_SEQUENCE_PREFIX = "M1+D "; public static final String DISCOVER_REMOTE_APPLICATION_ACTION_ID = "org.jboss.tools.remote.debug.ui.discover"; // The shared instance private static RemoteDebugUIActivator plugin; private static VmModel[] vmModels; private static Job discoverRemoteApplicationJob; /** * The constructor */ public RemoteDebugUIActivator() { } /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) */ public void start(BundleContext context) throws Exception { super.start(context); plugin = this; vmModels = new VmModel[0]; discoverRemoteApplicationJob = new Job(Messages.Discover_Remote_Applications) { @Override protected IStatus run(IProgressMonitor monitor) { if (monitor.isCanceled()) { return Status.CANCEL_STATUS; } discoverRemoteApplication(monitor); monitor.done(); return Status.OK_STATUS; } }; discoverRemoteApplicationJob.setUser(true); discoverRemoteApplicationJob.setSystem(false); } /* * (non-Javadoc) * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) */ public void stop(BundleContext context) throws Exception { plugin = null; vmModels = null; super.stop(context); } /** * Returns the shared instance * * @return the shared instance */ public static RemoteDebugUIActivator getDefault() { return plugin; } public synchronized VmModel[] getDebugModels(IProgressMonitor monitor) { if (isDiscoverRemoteApplication()) { VmModel[] newModels = RemoteDebugActivator.getDefault().getDebugModels(monitor); if (newModels != null) { vmModels = newModels; } } return vmModels; } public synchronized VmModel[] getCurrentDebugModels() { return vmModels; } public synchronized void discoverRemoteApplication(IProgressMonitor monitor) { VmModel[] newModels = RemoteDebugActivator.getDefault().getDebugModels(monitor); if (newModels != null) { vmModels = newModels; } } public Job discoverRemoteApplicationInJob() { Job job = new Job(Messages.Discover_Remote_Applications) { @Override protected IStatus run(IProgressMonitor monitor) { if (monitor.isCanceled()) { return Status.CANCEL_STATUS; } discoverRemoteApplication(monitor); monitor.done(); return Status.OK_STATUS; } }; job.setUser(true); job.setSystem(false); job.schedule(50); return job; } public Job getRemoteApplicationJob() { return discoverRemoteApplicationJob; } public static void log(Exception e, String message) { IStatus status = new Status(IStatus.ERROR, PLUGIN_ID, message, e); plugin.getLog().log(status); } public static void logWarning(String message) { IStatus status = new Status(IStatus.WARNING, PLUGIN_ID, message); plugin.getLog().log(status); } public static void log(Throwable e) { IStatus status = new Status(IStatus.ERROR, PLUGIN_ID, e.getLocalizedMessage(), e); plugin.getLog().log(status); } public static String getPortPreferenceName(int i) { return PORT + i; } public static String getDescriptionPreferenceName(int i) { return DESCRIPTION + i; } public static String getShowPreferenceName(int i) { return SHOW + i; } public void savePreferences() { IEclipsePreferences prefs = getPreferences(); try { prefs.flush(); } catch (BackingStoreException e) { log(e); } } public IEclipsePreferences getPreferences() { IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(PLUGIN_ID); return prefs; } public RemoteDebug[] getRemoteDebugs() { int keys = RemoteDebugUIActivator.KEYS; RemoteDebug[] remoteDebugs = new RemoteDebug[keys]; IEclipsePreferences preferences = getPreferences(); for (int i = 0; i < keys; i++) { String description = preferences.get(RemoteDebugUIActivator.getDescriptionPreferenceName(i), RemoteDebugUIActivator.DEFAULT_DESCRIPTION); String port = preferences.get(RemoteDebugUIActivator.getPortPreferenceName(i), RemoteDebugUIActivator.DEFAULT_PORT); boolean show = preferences.getBoolean(RemoteDebugUIActivator.getShowPreferenceName(i), RemoteDebugUIActivator.DEFAULT_SHOW); String key = KEY_SEQUENCE_PREFIX + i; remoteDebugs[i] = new RemoteDebug(i, key, description, port, show); } return remoteDebugs; } public List<RemoteDebug> getValidRemoteDebugs() { int keys = RemoteDebugUIActivator.KEYS; List<RemoteDebug> remoteDebugs = new ArrayList<RemoteDebug>(); IEclipsePreferences preferences = getPreferences(); for (int i = 0; i < keys; i++) { String description = preferences.get(RemoteDebugUIActivator.getDescriptionPreferenceName(i), RemoteDebugUIActivator.DEFAULT_DESCRIPTION); String port = preferences.get(RemoteDebugUIActivator.getPortPreferenceName(i), RemoteDebugUIActivator.DEFAULT_PORT); boolean show = preferences.getBoolean(RemoteDebugUIActivator.getShowPreferenceName(i), RemoteDebugUIActivator.DEFAULT_SHOW); String key = KEY_SEQUENCE_PREFIX + i; RemoteDebug remoteDebug = new RemoteDebug(i, key, description, port, show); if (remoteDebug.isValid()) { remoteDebugs.add(remoteDebug); } } return remoteDebugs; } public boolean isAutoConnect() { return getPreferences().getBoolean(AUTO_CONNECT, AUTO_CONNECT_DEFAULT); } public void setAutoConnect(boolean autoConnect) { getPreferences().putBoolean(AUTO_CONNECT, autoConnect); } public boolean isDiscoverRemoteApplication() { return getPreferences().getBoolean(DISCOVER_REMOTE_APPLICATION, DEFAULT_DISCOVER_REMOTE_APPLICATION); } public void setDiscoverRemoteApplication(boolean value) { getPreferences().putBoolean(DISCOVER_REMOTE_APPLICATION, value); } public void addSelectedProjects(ILaunchConfigurationWorkingCopy wc, ISelection selection, IJavaProject javaProject) throws CoreException { if (!(selection instanceof ITreeSelection)) { return; } ITreeSelection treeSelection = (ITreeSelection) selection; int size = treeSelection.size(); if (size > 1) { ILaunchManager manager = DebugPlugin.getDefault().getLaunchManager(); ISourceLookupDirector director = addSourceContainers(manager, wc, treeSelection, javaProject); if (director != null) { wc.setAttribute(ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, director.getMemento()); wc.setAttribute(ILaunchConfiguration.ATTR_SOURCE_LOCATOR_ID, director.getId()); } } else { wc.setAttribute(RemoteDebugActivator.ATTR_SELECTED_PROJECTS, (List<String>) null); } } private ISourceLookupDirector addSourceContainers(ILaunchManager manager, ILaunchConfigurationWorkingCopy wc, ITreeSelection selection, IJavaProject javaProject) throws CoreException { String memento = null; String locatorId = null; try { memento = wc.getAttribute(ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, (String) null); locatorId = wc.getAttribute(ILaunchConfiguration.ATTR_SOURCE_LOCATOR_ID, (String) null); if (locatorId == null) { locatorId = wc.getType().getSourceLocatorId(); } } catch (CoreException e) { log(e); } IPersistableSourceLocator locator = manager.newSourceLocator(locatorId); if (memento != null) { locator.initializeFromMemento(memento); } else { locator.initializeDefaults(wc); } if (locator instanceof AbstractSourceLookupDirector) { ISourceLookupDirector director = (ISourceLookupDirector) locator; List objects = selection.toList(); Set<String> projectNames = new LinkedHashSet<String>(); for (Object object : objects) { if (!(object instanceof IJavaElement) && object instanceof IAdaptable) { object = ((IAdaptable) object).getAdapter(IJavaElement.class); } if (!(object instanceof IJavaElement)) { continue; } IJavaElement javaElement = (IJavaElement) object; IJavaProject project = javaElement.getJavaProject(); if (project instanceof IJavaProject && !project.equals(javaProject)) { projectNames.add(((IJavaProject) project).getElementName()); } } List<String> projectsList = new ArrayList<String>(); projectsList.addAll(projectNames); wc.setAttribute(RemoteDebugActivator.ATTR_SELECTED_PROJECTS, projectsList); return director; } else { logWarning("Launch configuration doesn't support source lookup"); } return null; } public static void displayLaunchError(Shell shell, ILaunchConfiguration config, Exception e) { //String configName = config.getName(); String title = "Problem Occured"; String message = "Opening the configuration dialog has encoutered a problem.\n\n" + e.getLocalizedMessage(); MessageDialog.openError(shell, title, message); } public static RemoteDebug findRemoteDebug(List<RemoteDebug> remoteDebugs, String port) { for (RemoteDebug remoteDebug : remoteDebugs) { if (port != null && port.equals(remoteDebug.getPort())) { return remoteDebug; } } return null; } }