| /******************************************************************************* |
| * Copyright (c) 2004, 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.breakpoints; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.breakpoints.provisional.IBreakpointOrganizer; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| |
| /** |
| * Manager which provides access to the breakpoint organizers |
| * contributed via the org.eclipse.debug.ui.breakpointOrganizers |
| * extension point. |
| * <p> |
| * Manages the default breakpoint working set and places newly |
| * create breakpoints in to that set. |
| * </p> |
| * @since 3.1 |
| */ |
| public class BreakpointOrganizerManager { |
| |
| private static BreakpointOrganizerManager fgManager; |
| |
| // map for lookup by id |
| private Map fOrganizers = new HashMap(); |
| // cached sorted list by label |
| private List fSorted = null; |
| |
| /** |
| * Returns the singleton instance of the breakpoint container |
| * factory manager. |
| */ |
| public static BreakpointOrganizerManager getDefault() { |
| if (fgManager == null) { |
| fgManager= new BreakpointOrganizerManager(); |
| } |
| return fgManager; |
| } |
| |
| /** |
| * Creates and initializes a new breakpoint container factory. |
| */ |
| private BreakpointOrganizerManager() { |
| loadOrganizers(); |
| // force the working set organizers to initialize their listeners |
| start("org.eclipse.debug.ui.workingSetOrganizer"); //$NON-NLS-1$ |
| start("org.eclipse.debug.ui.breakpointWorkingSetOrganizer"); //$NON-NLS-1$ |
| } |
| |
| /** |
| * Forces instantiation of orgranizer delegate. |
| * |
| * @param organizerId organizer to start |
| */ |
| private void start(String organizerId) { |
| IBreakpointOrganizer organizer = getOrganizer(organizerId); |
| IPropertyChangeListener listener = new IPropertyChangeListener() { |
| public void propertyChange(PropertyChangeEvent event) { |
| } |
| }; |
| organizer.addPropertyChangeListener(listener); |
| organizer.removePropertyChangeListener(listener); |
| } |
| |
| /** |
| * Loads all contributed breakpoint organizers. |
| */ |
| private void loadOrganizers() { |
| IExtensionPoint extensionPoint= Platform.getExtensionRegistry().getExtensionPoint(DebugUIPlugin.getUniqueIdentifier(), IDebugUIConstants.EXTENSION_POINT_BREAKPOINT_ORGANIZERS); |
| IConfigurationElement[] configurationElements = extensionPoint.getConfigurationElements(); |
| for (int i = 0; i < configurationElements.length; i++) { |
| IConfigurationElement element= configurationElements[i]; |
| IBreakpointOrganizer organizer = new BreakpointOrganizerExtension(element); |
| if (validateOrganizer(organizer)) { |
| fOrganizers.put(organizer.getIdentifier(), organizer); |
| } |
| } |
| } |
| |
| /** |
| * Validates the given organizer. Checks that certain required attributes |
| * are available. |
| * @param extension the organizer to validate |
| * @return whether the given organizer is valid |
| */ |
| protected static boolean validateOrganizer(IBreakpointOrganizer organizer) { |
| String id = organizer.getIdentifier(); |
| String label = organizer.getLabel(); |
| return id != null && id.length() > 0 && label != null && label.length() > 0; |
| } |
| |
| /** |
| * Returns all contributed breakpoint organizers. |
| * |
| * @return all contributed breakpoint organizers |
| */ |
| public IBreakpointOrganizer[] getOrganizers() { |
| if (fSorted == null) { |
| Collection collection = fOrganizers.values(); |
| fSorted = new ArrayList(); |
| fSorted.addAll(collection); |
| Collections.sort(fSorted, new Comparator() { |
| public int compare(Object o1, Object o2) { |
| IBreakpointOrganizer b1 = (IBreakpointOrganizer)o1; |
| IBreakpointOrganizer b2 = (IBreakpointOrganizer)o2; |
| return b1.getLabel().compareTo(b2.getLabel()); |
| } |
| |
| public boolean equals(Object obj) { |
| return this == obj; |
| } |
| }); |
| } |
| return (IBreakpointOrganizer[]) fSorted.toArray(new IBreakpointOrganizer[fSorted.size()]); |
| } |
| |
| /** |
| * Returns the specified breakpoint organizer or <code>null</code> |
| * @param id organizer identifier |
| * @return breakpoint organizer or <code>null</code> |
| */ |
| public IBreakpointOrganizer getOrganizer(String id) { |
| return (IBreakpointOrganizer) fOrganizers.get(id); |
| } |
| |
| /** |
| * Shuts down the organizer manager, disposing organizers. |
| */ |
| public void shutdown() { |
| IBreakpointOrganizer[] organizers = getOrganizers(); |
| for (int i = 0; i < organizers.length; i++) { |
| IBreakpointOrganizer organizer = organizers[i]; |
| organizer.dispose(); |
| } |
| } |
| |
| } |