| /******************************************************************************* |
| * Copyright (c) 2004, 2010 Tasktop Technologies 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: |
| * Fabio Zadrozny - initial API and implementation |
| * Tasktop Technologies - improvements |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.resources.ui; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.WorkbenchException; |
| import org.eclipse.ui.XMLMemento; |
| |
| /** |
| * This class is responsible for creating, storing and retrieving the values for the default context in the preference |
| * store. It is registered as an initializer class for the 'org.eclipse.core.runtime.preferences' extension point. |
| * |
| * @author Fabio (bug 178931) |
| * @author Mik Kersten |
| */ |
| public class ResourcesUiPreferenceInitializer extends AbstractPreferenceInitializer { |
| |
| public static final String PREF_DEFAULT_SCOPE = "org.eclipse.mylyn.ide.resources"; //$NON-NLS-1$ |
| |
| @Deprecated |
| private static final String PREF_STORE_DELIM = ", "; //$NON-NLS-1$ |
| |
| @Deprecated |
| private static final String PREF_RESOURCES_IGNORED = PREF_DEFAULT_SCOPE + ".ignored.pattern"; //$NON-NLS-1$ |
| |
| public static final String PREF_RESOURCE_MONITOR_ENABLED = PREF_DEFAULT_SCOPE + ".resource.monitor.enabled"; //$NON-NLS-1$ |
| |
| private static final String PREF_RESOURCES_IGNORED_ANT = PREF_DEFAULT_SCOPE + ".ignored.pattern.ant"; //$NON-NLS-1$ |
| |
| public static final String PREF_MODIFIED_DATE_EXCLUSIONS = PREF_DEFAULT_SCOPE + ".date.modified.exclusion"; //$NON-NLS-1$ |
| |
| private static final String KEY_RESOURCE_EXCLUSIONS = "resourceExclusions"; //$NON-NLS-1$ |
| |
| private static final String KEY_EXCLUSION = "exclusion"; //$NON-NLS-1$ |
| |
| private static final String KEY_ANT_PATTERN = "antPattern"; //$NON-NLS-1$ |
| |
| public static Set<String> forcedExclusionPatterns = new HashSet<String>(); |
| |
| public static Set<String> cachedExclusionPatterns = null; |
| |
| @Override |
| public void initializeDefaultPreferences() { |
| // most defaults come from extension points |
| Set<String> defaultPatterns = new HashSet<String>(); |
| |
| defaultPatterns.addAll(ResourcePatternExclusionStrategy.convertToAntPattern(".*")); //$NON-NLS-1$ |
| |
| ResourcesUiBridgePlugin.getDefault().getPreferenceStore().setDefault(PREF_RESOURCE_MONITOR_ENABLED, true); |
| ResourcesUiBridgePlugin.getDefault() |
| .getPreferenceStore() |
| .setDefault(PREF_RESOURCES_IGNORED_ANT, createResourceExclusionMemento(defaultPatterns)); |
| ResourcesUiBridgePlugin.getDefault().getPreferenceStore().setDefault(PREF_MODIFIED_DATE_EXCLUSIONS, true); |
| } |
| |
| /** |
| * Restores the default values for the patterns to ignore. |
| */ |
| public static void restoreDefaultExcludedResourcePatterns() { |
| setExcludedResourcePatterns(ResourcesUiExtensionPointReader.getDefaultResourceExclusions()); |
| } |
| |
| public static synchronized void setExcludedResourcePatterns(Set<String> patterns) { |
| cachedExclusionPatterns = new HashSet<String>(patterns); |
| |
| String memento = createResourceExclusionMemento(patterns); |
| if (memento != null) { |
| ResourcesUiBridgePlugin.getDefault().getPreferenceStore().setValue(PREF_RESOURCES_IGNORED_ANT, memento); |
| } |
| } |
| |
| private static String createResourceExclusionMemento(Set<String> patterns) { |
| XMLMemento rootMemento = XMLMemento.createWriteRoot(KEY_RESOURCE_EXCLUSIONS); |
| for (String string : patterns) { |
| IMemento memento = rootMemento.createChild(KEY_EXCLUSION); |
| memento.putString(KEY_ANT_PATTERN, string); |
| } |
| StringWriter writer = new StringWriter(); |
| String memento = null; |
| try { |
| rootMemento.save(writer); |
| memento = writer.getBuffer().toString(); |
| |
| } catch (IOException e) { |
| StatusHandler.log(new Status(IStatus.ERROR, ResourcesUiBridgePlugin.ID_PLUGIN, |
| "Could not store resource exclusions", e)); //$NON-NLS-1$ |
| } |
| return memento; |
| } |
| |
| private static Set<String> getResourceExclusionsFromMemento(String mementoString) { |
| Set<String> exclusions = new HashSet<String>(); |
| try { |
| XMLMemento rootMemento = XMLMemento.createReadRoot(new StringReader(mementoString)); |
| |
| for (IMemento memento : rootMemento.getChildren(KEY_EXCLUSION)) { |
| String pattern = memento.getString(KEY_ANT_PATTERN); |
| if (pattern != null) { |
| exclusions.add(pattern); |
| } |
| } |
| } catch (WorkbenchException e) { |
| StatusHandler.log(new Status(IStatus.ERROR, ResourcesUiBridgePlugin.ID_PLUGIN, |
| "Could not load resource exclusions", e)); //$NON-NLS-1$ |
| } |
| return exclusions; |
| |
| } |
| |
| public static synchronized Set<String> getExcludedResourcePatterns() { |
| |
| if (cachedExclusionPatterns != null) { |
| return new HashSet<String>(cachedExclusionPatterns); |
| } |
| |
| Set<String> exclusions = new HashSet<String>(); |
| if (ResourcesUiBridgePlugin.getDefault().getPreferenceStore().contains(PREF_RESOURCES_IGNORED_ANT) |
| && !ResourcesUiBridgePlugin.getDefault().getPreferenceStore().isDefault(PREF_RESOURCES_IGNORED_ANT)) { |
| // we are using the new ant patterns |
| exclusions = getResourceExclusionsFromMemento(ResourcesUiBridgePlugin.getDefault() |
| .getPreferenceStore() |
| .getString(PREF_RESOURCES_IGNORED_ANT)); |
| } else if (ResourcesUiBridgePlugin.getDefault().getPreferenceStore().contains(PREF_RESOURCES_IGNORED)) { |
| //we are using the old patterns |
| String read = ResourcesUiBridgePlugin.getDefault().getPreferenceStore().getString(PREF_RESOURCES_IGNORED); |
| if (read != null) { |
| StringTokenizer st = new StringTokenizer(read, PREF_STORE_DELIM); |
| while (st.hasMoreTokens()) { |
| exclusions.addAll(ResourcePatternExclusionStrategy.convertToAntPattern(st.nextToken())); |
| } |
| } |
| |
| setExcludedResourcePatterns(exclusions); |
| } else { |
| // make sure that we load the default preferences if it is a clean workspace |
| exclusions = getResourceExclusionsFromMemento(ResourcesUiBridgePlugin.getDefault() |
| .getPreferenceStore() |
| .getString(PREF_RESOURCES_IGNORED_ANT)); |
| } |
| |
| cachedExclusionPatterns = new HashSet<String>(exclusions); |
| return cachedExclusionPatterns; |
| } |
| |
| public static Set<String> getForcedExcludedResourcePatterns() { |
| return forcedExclusionPatterns; |
| } |
| |
| /** |
| * TODO: move and consider for API |
| */ |
| public static void addForcedExclusionPattern(String pattern) { |
| forcedExclusionPatterns.add(pattern); |
| } |
| |
| public static void removeForcedExclusionPattern(String pattern) { |
| forcedExclusionPatterns.remove(pattern); |
| } |
| } |