| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Anton Kosyakov (Itemis AG) - Bug 438621 - [step filtering] Provide an extension point to enhance methods step filtering. |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.core; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.ILaunchListener; |
| import org.eclipse.debug.core.commands.IStepFiltersHandler; |
| import org.eclipse.debug.core.model.IStepFilter; |
| import org.eclipse.debug.internal.core.commands.DebugCommandRequest; |
| |
| /** |
| * As targets are launched, this manager sets its step filter |
| * support settings according to the "use step filter" setting. |
| * |
| * @since 3.0 |
| */ |
| public class StepFilterManager implements ILaunchListener { |
| |
| public static final String PREF_USE_STEP_FILTERS = DebugPlugin.getUniqueIdentifier() + ".USE_STEP_FILTERS"; //$NON-NLS-1$ |
| |
| /** |
| * The step filter manager is instantiated by the debug UI plug-in, |
| * and should be accessed from the <code>DebugUIPlugin</code> class. |
| */ |
| protected StepFilterManager() { |
| DebugPlugin.getDefault().getLaunchManager().addLaunchListener(this); |
| } |
| |
| /** |
| * This method is called by the debug UI plug-in at shutdown. |
| */ |
| public void shutdown() { |
| DebugPlugin.getDefault().getLaunchManager().removeLaunchListener(this); |
| } |
| |
| @Override |
| public void launchAdded(ILaunch launch) { |
| launchChanged(launch); |
| } |
| |
| @Override |
| public void launchChanged(ILaunch launch) { |
| IStepFiltersHandler command = launch.getAdapter(IStepFiltersHandler.class); |
| if (command != null) { |
| command.execute(new DebugCommandRequest(new Object[]{launch})); |
| } |
| } |
| |
| /** |
| * Returns whether the 'use step filters' preference is on. |
| * |
| * @return whether to use step filters |
| */ |
| public boolean isUseStepFilters() { |
| return Platform.getPreferencesService().getBoolean(DebugPlugin.getUniqueIdentifier(), PREF_USE_STEP_FILTERS, false, null); |
| } |
| |
| /** |
| * Sets whether to use step filters. |
| * |
| * @param useFilters whether to use step filters |
| */ |
| public void setUseStepFilters(boolean useFilters) { |
| Preferences.setBoolean(DebugPlugin.getUniqueIdentifier(), PREF_USE_STEP_FILTERS, useFilters, null); |
| ILaunch[] launchs = DebugPlugin.getDefault().getLaunchManager().getLaunches(); |
| for (ILaunch launch : launchs) { |
| launchChanged(launch); |
| } |
| } |
| |
| @Override |
| public void launchRemoved(ILaunch launch) {} |
| |
| /** |
| * Returns any step filters that have been contributed for the given model |
| * identifier. |
| * |
| * @param modelIdentifier the model identifier |
| * @return step filters that have been contributed for the given model |
| * identifier, possibly an empty collection |
| * @since 3.10 |
| * @see org.eclipse.debug.core.model.IStepFilter |
| */ |
| public IStepFilter[] getStepFilters(String modelIdentifier) { |
| initialize(); |
| List<IStepFilter> select = new ArrayList<>(); |
| for (StepFilter extension : stepFilters) { |
| Collections.addAll(select, extension.getStepFilters(modelIdentifier)); |
| } |
| return select.toArray(new IStepFilter[select.size()]); |
| } |
| |
| private List<StepFilter> stepFilters = null; |
| |
| private synchronized void initialize() { |
| if (stepFilters == null) { |
| IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(DebugPlugin.getUniqueIdentifier(), DebugPlugin.EXTENSION_POINT_STEP_FILTERS); |
| IConfigurationElement[] extensions = point.getConfigurationElements(); |
| stepFilters = new ArrayList<>(); |
| for (IConfigurationElement extension : extensions) { |
| try { |
| stepFilters.add(new StepFilter(extension)); |
| } catch (CoreException e) { |
| DebugPlugin.log(e); |
| } |
| } |
| } |
| } |
| } |