bundles/org.eclipse.team.core/src/org/eclipse/team/core/Team.java - gerrit/platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2006 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.team.core;

 import java.io.*;
 import java.util.*;
 import java.util.Map.Entry;

 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.runtime.Preferences.PropertyChangeEvent;
 import org.eclipse.core.runtime.content.IContentType;
 import org.eclipse.team.core.mapping.IStorageMerger;
 import org.eclipse.team.internal.core.*;

 /**
  * The Team class provides a global point of reference for the global ignore set
  * and the text/binary registry.
  *
  * @since 2.0
  */
 public final class Team {

     private static class StringMappingWrapper implements IFileTypeInfo {

         private final IStringMapping fMapping;

         public StringMappingWrapper(IStringMapping mapping) {
             fMapping= mapping;
         }

         public String getExtension() {
             return fMapping.getString();
         }

         public int getType() {
             return fMapping.getType();
         }

     }

 	private static final String PREF_TEAM_IGNORES = "ignore_files"; //$NON-NLS-1$
 	private static final String PREF_TEAM_SEPARATOR = "\n"; //$NON-NLS-1$
 	public static final Status OK_STATUS = new Status(IStatus.OK, TeamPlugin.ID, IStatus.OK, Messages.ok, null);

 	// File type constants
 	public static final int UNKNOWN = 0;
 	public static final int TEXT = 1;
 	public static final int BINARY = 2;


 	// The ignore list that is read at startup from the persisted file
 	protected static SortedMap globalIgnore, pluginIgnore;
 	private static StringMatcher[] ignoreMatchers;

     private final static FileContentManager fFileContentManager;

     static {
         fFileContentManager= new FileContentManager();
     }


 	/**
      * Return the type of the given IStorage. First, we check whether a mapping has
      * been defined for the name of the IStorage. If this is not the case, we check for
      * a mapping with the extension. If no mapping is defined, UNKNOWN is returned.
 	 *
 	 * Valid return values are:
 	 * Team.TEXT
 	 * Team.BINARY
 	 * Team.UNKNOWN
 	 *
 	 * @param storage  the IStorage
 	 * @return whether the given IStorage is TEXT, BINARY, or UNKNOWN
      *
      * @deprecated Use <code>getFileContentManager().getType(IStorage storage)</code> instead.
 	 */
 	public static int getType(IStorage storage) {
         return fFileContentManager.getType(storage);
 	}

 	/**
 	 * Returns whether the given file should be ignored.
 	 *
 	 * This method answers true if the file matches one of the global ignore
 	 * patterns, or if the file is marked as derived.
 	 *
 	 * @param resource  the file
 	 * @return whether the file should be ignored
 	 */
 	public static boolean isIgnoredHint(IResource resource) {
 		if (resource.isDerived()) return true;
 		return matchesEnabledIgnore(resource);
 	}

 	/**
 	 * Returns whether the given file should be ignored.
 	 * @deprecated use isIgnoredHint(IResource) instead
 	 */
 	public static boolean isIgnoredHint(IFile file) {
 		if (file.isDerived()) return true;
 		return matchesEnabledIgnore(file);
 	}

 	private static boolean matchesEnabledIgnore(IResource resource) {
 		StringMatcher[] matchers = getStringMatchers();
 		for (int i = 0; i < matchers.length; i++) {
 			if (matchers[i].match(resource.getName())) return true;
 		}
 		return false;
 	}

 	/**
 	 * Returns whether the given file should be ignored.
 	 * @deprecated use isIgnoredHint instead
 	 */
 	public static boolean isIgnored(IFile file) {
 		return matchesEnabledIgnore(file);
 	}


 	/**
      * Return all known file types.
 	 *
 	 * @return all known file types
      * @deprecated Use <code>getFileContentManager().getExtensionMappings()</code> instead.
 	 */
 	public static IFileTypeInfo[] getAllTypes() {
         final IStringMapping [] mappings= fFileContentManager.getExtensionMappings();
         final IFileTypeInfo [] infos= new IFileTypeInfo[mappings.length];
         for (int i = 0; i < infos.length; i++) {
             infos[i]= new StringMappingWrapper(mappings[i]);
         }
         return infos;
 	}

 	/**
 	 * Returns the list of global ignores.
 	 */
 	public synchronized static IIgnoreInfo[] getAllIgnores() {
 		// The ignores are cached and when the preferences change the
 		// cache is cleared. This makes it faster to lookup without having
 		// to re-parse the preferences.
 		initializeIgnores();
 		IIgnoreInfo[] result = getIgnoreInfo(globalIgnore);
 		return result;
 	}

 	private static void initializeIgnores() {
 		if (globalIgnore == null) {
 			globalIgnore = new TreeMap();
 			pluginIgnore = new TreeMap();
 			ignoreMatchers = null;
 			try {
 				readIgnoreState();
 			} catch (TeamException e) {
 				TeamPlugin.log(IStatus.ERROR, Messages.Team_Error_loading_ignore_state_from_disk_1, e);
 			}
 			initializePluginIgnores(pluginIgnore, globalIgnore);
 		}
 	}

 	private static IIgnoreInfo[] getIgnoreInfo(Map gIgnore) {
 		IIgnoreInfo[] result = new IIgnoreInfo[gIgnore.size()];
 		Iterator e = gIgnore.entrySet().iterator();
 		int i = 0;
 		while (e.hasNext() ) {
 			Map.Entry entry = (Entry) e.next();
 			final String pattern = (String) entry.getKey();
 			final boolean enabled = ((Boolean)entry.getValue()).booleanValue();
 			result[i++] = new IIgnoreInfo() {
 				private String p = pattern;
 				private boolean e1 = enabled;
 				public String getPattern() {
 					return p;
 				}
 				public boolean getEnabled() {
 					return e1;
 				}
 			};
 		}
 		return result;
 	}

 	private synchronized static StringMatcher[] getStringMatchers() {
 		if (ignoreMatchers==null) {
 			IIgnoreInfo[] ignorePatterns = getAllIgnores();
 			ArrayList matchers = new ArrayList(ignorePatterns.length);
 			for (int i = 0; i < ignorePatterns.length; i++) {
 				if (ignorePatterns[i].getEnabled()) {
 					matchers.add(new StringMatcher(ignorePatterns[i].getPattern(), true, false));
 				}
 			}
 			ignoreMatchers = new StringMatcher[matchers.size()];
 			ignoreMatchers = (StringMatcher[]) matchers.toArray(ignoreMatchers);
 		}
 		return ignoreMatchers;
 	}


 	/**
      * Set the file type for the give extensions. This
      * will replace the existing file types with this new list.
 	 *
 	 * Valid types are:
 	 * Team.TEXT
 	 * Team.BINARY
 	 * Team.UNKNOWN
 	 *
 	 * @param extensions  the file extensions
 	 * @param types  the file types
      *
      * @deprecated Use <code>getFileContentManager().setExtensionMappings()</code> instead.
 	 */
 	public static void setAllTypes(String[] extensions, int[] types) {
         fFileContentManager.addExtensionMappings(extensions, types);
 	}


 	/**
 	 * Add patterns to the list of global ignores.
 	 */
 	public static void setAllIgnores(String[] patterns, boolean[] enabled) {
 		initializeIgnores();
 		globalIgnore = new TreeMap();
 		ignoreMatchers = null;
 		for (int i = 0; i < patterns.length; i++) {
 			globalIgnore.put(patterns[i], Boolean.valueOf(enabled[i]));
 		}
 		// Now set into preferences
 		StringBuffer buf = new StringBuffer();
 		Iterator e = globalIgnore.entrySet().iterator();
 		while (e.hasNext()) {
 			Map.Entry entry = (Entry) e.next();
 			String pattern = (String) entry.getKey();
 			Boolean value = (Boolean) entry.getValue();
 			boolean isCustom = (!pluginIgnore.containsKey(pattern)) ||
 				!((Boolean)pluginIgnore.get(pattern)).equals(value);
 			if (isCustom) {
 				buf.append(pattern);
 				buf.append(PREF_TEAM_SEPARATOR);
 				boolean en = value.booleanValue();
 				buf.append(en);
 				buf.append(PREF_TEAM_SEPARATOR);
 			}

 		}
 		TeamPlugin.getPlugin().getPluginPreferences().setValue(PREF_TEAM_IGNORES, buf.toString());
 	}


 	/*
 	 * IGNORE
 	 *
 	 * Reads the ignores currently defined by extensions.
 	 */
 	private static void initializePluginIgnores(SortedMap pIgnore, SortedMap gIgnore) {
 		TeamPlugin plugin = TeamPlugin.getPlugin();
 		if (plugin != null) {
 			IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(TeamPlugin.ID, TeamPlugin.IGNORE_EXTENSION);
 			if (extension != null) {
 				IExtension[] extensions =  extension.getExtensions();
 				for (int i = 0; i < extensions.length; i++) {
 					IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
 					for (int j = 0; j < configElements.length; j++) {
 						String pattern = configElements[j].getAttribute("pattern"); //$NON-NLS-1$
 						if (pattern != null) {
 							String selected = configElements[j].getAttribute("enabled"); //$NON-NLS-1$
 							if (selected == null) {
 								// Check for selected because this used to be the field name
 								selected = configElements[j].getAttribute("selected"); //$NON-NLS-1$
 							}
 							boolean enabled = selected != null && selected.equalsIgnoreCase("true"); //$NON-NLS-1$
 							// if this ignore doesn't already exist, add it to the global list
 							pIgnore.put(pattern, Boolean.valueOf(enabled));
 							if (!gIgnore.containsKey(pattern)) {
 								gIgnore.put(pattern, Boolean.valueOf(enabled));
 							}
 						}
 					}
 				}
 			}
 		}
 	}

 	/*
 	 * IGNORE
 	 *
 	 * Reads global ignore preferences and populates globalIgnore
 	 */
 	private static void readIgnoreState() throws TeamException {
 		if (readBackwardCompatibleIgnoreState()) return;
 		Preferences pref = TeamPlugin.getPlugin().getPluginPreferences();
 		if (!pref.contains(PREF_TEAM_IGNORES)) return;
 		pref.addPropertyChangeListener(new Preferences.IPropertyChangeListener() {
 			public void propertyChange(PropertyChangeEvent event) {
 				// when a property is changed, invalidate our cache so that
 				// properties will be recalculated.
 				if(event.getProperty().equals(PREF_TEAM_IGNORES))
 					globalIgnore = null;
 			}
 		});
 		String prefIgnores = pref.getString(PREF_TEAM_IGNORES);
 		StringTokenizer tok = new StringTokenizer(prefIgnores, PREF_TEAM_SEPARATOR);
 		String pattern, enabled;
 		try {
 			while (true) {
 				pattern = tok.nextToken();
 				if (pattern.length()==0) return;
 				enabled = tok.nextToken();
 				globalIgnore.put(pattern, Boolean.valueOf(enabled));
 			}
 		} catch (NoSuchElementException e) {
 			return;
 		}
 	}

 	/*
 	 * For backward compatibility, we still look at if we have .globalIgnores
 	 */
 	private static boolean readBackwardCompatibleIgnoreState() throws TeamException {
 		String GLOBALIGNORE_FILE = ".globalIgnores"; //$NON-NLS-1$
 		IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(GLOBALIGNORE_FILE);
 		File f = pluginStateLocation.toFile();
 		if (!f.exists()) return false;
 		try {
 			DataInputStream dis = new DataInputStream(new FileInputStream(f));
 			try {
 				int ignoreCount = 0;
 				try {
 					ignoreCount = dis.readInt();
 				} catch (EOFException e) {
 					// Ignore the exception, it will occur if there are no ignore
 					// patterns stored in the provider state file.
 					return false;
 				}
 				for (int i = 0; i < ignoreCount; i++) {
 					String pattern = dis.readUTF();
 					boolean enabled = dis.readBoolean();
 					globalIgnore.put(pattern, Boolean.valueOf(enabled));
 				}
 			} finally {
 				dis.close();
 			}
 			f.delete();
 		} catch (FileNotFoundException e) {
 			// not a fatal error, there just happens not to be any state to read
 		} catch (IOException ex) {
 			throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Messages.Team_readError, ex));
 		}
 		return true;
 	}
 	/**
 	 * Initialize the registry, restoring its state.
 	 *
 	 * This method is called by the plug-in upon startup, clients should not call this method
 	 */
 	public static void startup() {
 		// Register a delta listener that will tell the provider about a project move and meta-file creation
 		ResourcesPlugin.getWorkspace().addResourceChangeListener(new TeamResourceChangeListener(), IResourceChangeEvent.POST_CHANGE);
 	}

 	/**
 	 * Shut down the registry, persisting its state.
 	 *
 	 * This method is called by the plug-in upon shutdown, clients should not call this method
 	 */
 	public static void shutdown() {
 		TeamPlugin.getPlugin().savePluginPreferences();
 	}
 	/**
 	 * @deprecated
 	 * 		Use {@link org.eclipse.team.core.RepositoryProviderType#getProjectSetCapability()}
 	 * 		to obtain an instance of {@link ProjectSetCapability} instead.
 	 */
 	public static IProjectSetSerializer getProjectSetSerializer(String id) {
 		TeamPlugin plugin = TeamPlugin.getPlugin();
 		if (plugin != null) {
 			IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(TeamPlugin.PROJECT_SET_EXTENSION);
 			if (extension != null) {
 				IExtension[] extensions =  extension.getExtensions();
 				for (int i = 0; i < extensions.length; i++) {
 					IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
 					for (int j = 0; j < configElements.length; j++) {
 						String extensionId = configElements[j].getAttribute("id"); //$NON-NLS-1$
 						if (extensionId != null && extensionId.equals(id)) {
 							try {
 								return (IProjectSetSerializer)configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
 							} catch (CoreException e) {
 								TeamPlugin.log(e);
 								return null;
 							}
 						}
 					}
 				}
 			}
 		}
 		return null;
 	}


 	/**
 	 * Return the default ignore infos
 	 * (i.e. those that are specified in
 	 * plugin manifests).
 	 * @return the default ignore infos.
 	 * @since 3.0
 	 */
 	public static IIgnoreInfo[] getDefaultIgnores() {
 		SortedMap gIgnore = new TreeMap();
 		SortedMap pIgnore = new TreeMap();
 		initializePluginIgnores(pIgnore, gIgnore);
 		return getIgnoreInfo(gIgnore);
 	}

 	/**
      * TODO: change to file content manager
 	 * Return the default file type bindings
 	 * (i.e. those that are specified in
 	 * plugin manifests).
 	 * @return the default file type bindings
 	 * @since 3.0
      * @deprecated Use Team.getFileContentManager().getDefaultExtensionMappings() instead.
 	 */
 	public static IFileTypeInfo[] getDefaultTypes() {
         return asFileTypeInfo(getFileContentManager().getDefaultExtensionMappings());
 	}

     private static IFileTypeInfo [] asFileTypeInfo(IStringMapping [] mappings) {
         final IFileTypeInfo [] infos= new IFileTypeInfo[mappings.length];
         for (int i = 0; i < infos.length; i++) {
             infos[i]= new StringMappingWrapper(mappings[i]);
         }
         return infos;
     }

     /**
      * Get the file content manager which implements the API for manipulating the mappings between
      * file names, file extensions and content types.
      *
      * @return an instance of IFileContentManager
      *
      * @see IFileContentManager
      *
      * @since 3.1
      */
     public static IFileContentManager getFileContentManager() {
         return fFileContentManager;
     }

 	/**
 	 * Creates a storage merger for the given content type.
 	 * If no storage merger is registered for the given content type <code>null</code> is returned.
 	 *
 	 * @param type the type for which to find a storage merger
 	 * @return a storage merger for the given type, or <code>null</code> if no
 	 *   storage merger has been registered
 	 *
 	 * @since 3.2
 	 */
     public IStorageMerger createStorageMerger(IContentType type) {
     	return StorageMergerRegistry.getInstance().createStreamMerger(type);
     }

 	/**
 	 * Creates a storage merger for the given file extension.
 	 * If no storage merger is registered for the file extension <code>null</code> is returned.
 	 *
 	 * @param extension the extension for which to find a storage merger
 	 * @return a stream merger for the given type, or <code>null</code> if no
 	 *   storage merger has been registered
 	 *
 	 * @since 3.2
 	 */
     public IStorageMerger createStorageMerger(String extension) {
     	return StorageMergerRegistry.getInstance().createStreamMerger(extension);
     }
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2006 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.team.core;

	import java.io.*;
	import java.util.*;
	import java.util.Map.Entry;

	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.core.runtime.Preferences.PropertyChangeEvent;
	import org.eclipse.core.runtime.content.IContentType;
	import org.eclipse.team.core.mapping.IStorageMerger;
	import org.eclipse.team.internal.core.*;

	/**
	* The Team class provides a global point of reference for the global ignore set
	* and the text/binary registry.
	*
	* @since 2.0
	*/
	public final class Team {

	private static class StringMappingWrapper implements IFileTypeInfo {

	private final IStringMapping fMapping;

	public StringMappingWrapper(IStringMapping mapping) {
	fMapping= mapping;
	}

	public String getExtension() {
	return fMapping.getString();
	}

	public int getType() {
	return fMapping.getType();
	}

	}

	private static final String PREF_TEAM_IGNORES = "ignore_files"; //$NON-NLS-1$
	private static final String PREF_TEAM_SEPARATOR = "\n"; //$NON-NLS-1$
	public static final Status OK_STATUS = new Status(IStatus.OK, TeamPlugin.ID, IStatus.OK, Messages.ok, null);

	// File type constants
	public static final int UNKNOWN = 0;
	public static final int TEXT = 1;
	public static final int BINARY = 2;


	// The ignore list that is read at startup from the persisted file
	protected static SortedMap globalIgnore, pluginIgnore;
	private static StringMatcher[] ignoreMatchers;

	private final static FileContentManager fFileContentManager;

	static {
	fFileContentManager= new FileContentManager();
	}


	/**
	* Return the type of the given IStorage. First, we check whether a mapping has
	* been defined for the name of the IStorage. If this is not the case, we check for
	* a mapping with the extension. If no mapping is defined, UNKNOWN is returned.
	*
	* Valid return values are:
	* Team.TEXT
	* Team.BINARY
	* Team.UNKNOWN
	*
	* @param storage the IStorage
	* @return whether the given IStorage is TEXT, BINARY, or UNKNOWN
	*
	* @deprecated Use <code>getFileContentManager().getType(IStorage storage)</code> instead.
	*/
	public static int getType(IStorage storage) {
	return fFileContentManager.getType(storage);
	}

	/**
	* Returns whether the given file should be ignored.
	*
	* This method answers true if the file matches one of the global ignore
	* patterns, or if the file is marked as derived.
	*
	* @param resource the file
	* @return whether the file should be ignored
	*/
	public static boolean isIgnoredHint(IResource resource) {
	if (resource.isDerived()) return true;
	return matchesEnabledIgnore(resource);
	}

	/**
	* Returns whether the given file should be ignored.
	* @deprecated use isIgnoredHint(IResource) instead
	*/
	public static boolean isIgnoredHint(IFile file) {
	if (file.isDerived()) return true;
	return matchesEnabledIgnore(file);
	}

	private static boolean matchesEnabledIgnore(IResource resource) {
	StringMatcher[] matchers = getStringMatchers();
	for (int i = 0; i < matchers.length; i++) {
	if (matchers[i].match(resource.getName())) return true;
	}
	return false;
	}

	/**
	* Returns whether the given file should be ignored.
	* @deprecated use isIgnoredHint instead
	*/
	public static boolean isIgnored(IFile file) {
	return matchesEnabledIgnore(file);
	}


	/**
	* Return all known file types.
	*
	* @return all known file types
	* @deprecated Use <code>getFileContentManager().getExtensionMappings()</code> instead.
	*/
	public static IFileTypeInfo[] getAllTypes() {
	final IStringMapping [] mappings= fFileContentManager.getExtensionMappings();
	final IFileTypeInfo [] infos= new IFileTypeInfo[mappings.length];
	for (int i = 0; i < infos.length; i++) {
	infos[i]= new StringMappingWrapper(mappings[i]);
	}
	return infos;
	}

	/**
	* Returns the list of global ignores.
	*/
	public synchronized static IIgnoreInfo[] getAllIgnores() {
	// The ignores are cached and when the preferences change the
	// cache is cleared. This makes it faster to lookup without having
	// to re-parse the preferences.
	initializeIgnores();
	IIgnoreInfo[] result = getIgnoreInfo(globalIgnore);
	return result;
	}

	private static void initializeIgnores() {
	if (globalIgnore == null) {
	globalIgnore = new TreeMap();
	pluginIgnore = new TreeMap();
	ignoreMatchers = null;
	try {
	readIgnoreState();
	} catch (TeamException e) {
	TeamPlugin.log(IStatus.ERROR, Messages.Team_Error_loading_ignore_state_from_disk_1, e);
	}
	initializePluginIgnores(pluginIgnore, globalIgnore);
	}
	}

	private static IIgnoreInfo[] getIgnoreInfo(Map gIgnore) {
	IIgnoreInfo[] result = new IIgnoreInfo[gIgnore.size()];
	Iterator e = gIgnore.entrySet().iterator();
	int i = 0;
	while (e.hasNext() ) {
	Map.Entry entry = (Entry) e.next();
	final String pattern = (String) entry.getKey();
	final boolean enabled = ((Boolean)entry.getValue()).booleanValue();
	result[i++] = new IIgnoreInfo() {
	private String p = pattern;
	private boolean e1 = enabled;
	public String getPattern() {
	return p;
	}
	public boolean getEnabled() {
	return e1;
	}
	};
	}
	return result;
	}

	private synchronized static StringMatcher[] getStringMatchers() {
	if (ignoreMatchers==null) {
	IIgnoreInfo[] ignorePatterns = getAllIgnores();
	ArrayList matchers = new ArrayList(ignorePatterns.length);
	for (int i = 0; i < ignorePatterns.length; i++) {
	if (ignorePatterns[i].getEnabled()) {
	matchers.add(new StringMatcher(ignorePatterns[i].getPattern(), true, false));
	}
	}
	ignoreMatchers = new StringMatcher[matchers.size()];
	ignoreMatchers = (StringMatcher[]) matchers.toArray(ignoreMatchers);
	}
	return ignoreMatchers;
	}


	/**
	* Set the file type for the give extensions. This
	* will replace the existing file types with this new list.
	*
	* Valid types are:
	* Team.TEXT
	* Team.BINARY
	* Team.UNKNOWN
	*
	* @param extensions the file extensions
	* @param types the file types
	*
	* @deprecated Use <code>getFileContentManager().setExtensionMappings()</code> instead.
	*/
	public static void setAllTypes(String[] extensions, int[] types) {
	fFileContentManager.addExtensionMappings(extensions, types);
	}



	/**
	* Add patterns to the list of global ignores.
	*/
	public static void setAllIgnores(String[] patterns, boolean[] enabled) {
	initializeIgnores();
	globalIgnore = new TreeMap();
	ignoreMatchers = null;
	for (int i = 0; i < patterns.length; i++) {
	globalIgnore.put(patterns[i], Boolean.valueOf(enabled[i]));
	}
	// Now set into preferences
	StringBuffer buf = new StringBuffer();
	Iterator e = globalIgnore.entrySet().iterator();
	while (e.hasNext()) {
	Map.Entry entry = (Entry) e.next();
	String pattern = (String) entry.getKey();
	Boolean value = (Boolean) entry.getValue();
	boolean isCustom = (!pluginIgnore.containsKey(pattern)) \|\|
	!((Boolean)pluginIgnore.get(pattern)).equals(value);
	if (isCustom) {
	buf.append(pattern);
	buf.append(PREF_TEAM_SEPARATOR);
	boolean en = value.booleanValue();
	buf.append(en);
	buf.append(PREF_TEAM_SEPARATOR);
	}

	}
	TeamPlugin.getPlugin().getPluginPreferences().setValue(PREF_TEAM_IGNORES, buf.toString());
	}




	/*
	* IGNORE
	*
	* Reads the ignores currently defined by extensions.
	*/
	private static void initializePluginIgnores(SortedMap pIgnore, SortedMap gIgnore) {
	TeamPlugin plugin = TeamPlugin.getPlugin();
	if (plugin != null) {
	IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(TeamPlugin.ID, TeamPlugin.IGNORE_EXTENSION);
	if (extension != null) {
	IExtension[] extensions = extension.getExtensions();
	for (int i = 0; i < extensions.length; i++) {
	IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
	for (int j = 0; j < configElements.length; j++) {
	String pattern = configElements[j].getAttribute("pattern"); //$NON-NLS-1$
	if (pattern != null) {
	String selected = configElements[j].getAttribute("enabled"); //$NON-NLS-1$
	if (selected == null) {
	// Check for selected because this used to be the field name
	selected = configElements[j].getAttribute("selected"); //$NON-NLS-1$
	}
	boolean enabled = selected != null && selected.equalsIgnoreCase("true"); //$NON-NLS-1$
	// if this ignore doesn't already exist, add it to the global list
	pIgnore.put(pattern, Boolean.valueOf(enabled));
	if (!gIgnore.containsKey(pattern)) {
	gIgnore.put(pattern, Boolean.valueOf(enabled));
	}
	}
	}
	}
	}
	}
	}

	/*
	* IGNORE
	*
	* Reads global ignore preferences and populates globalIgnore
	*/
	private static void readIgnoreState() throws TeamException {
	if (readBackwardCompatibleIgnoreState()) return;
	Preferences pref = TeamPlugin.getPlugin().getPluginPreferences();
	if (!pref.contains(PREF_TEAM_IGNORES)) return;
	pref.addPropertyChangeListener(new Preferences.IPropertyChangeListener() {
	public void propertyChange(PropertyChangeEvent event) {
	// when a property is changed, invalidate our cache so that
	// properties will be recalculated.
	if(event.getProperty().equals(PREF_TEAM_IGNORES))
	globalIgnore = null;
	}
	});
	String prefIgnores = pref.getString(PREF_TEAM_IGNORES);
	StringTokenizer tok = new StringTokenizer(prefIgnores, PREF_TEAM_SEPARATOR);
	String pattern, enabled;
	try {
	while (true) {
	pattern = tok.nextToken();
	if (pattern.length()==0) return;
	enabled = tok.nextToken();
	globalIgnore.put(pattern, Boolean.valueOf(enabled));
	}
	} catch (NoSuchElementException e) {
	return;
	}
	}

	/*
	* For backward compatibility, we still look at if we have .globalIgnores
	*/
	private static boolean readBackwardCompatibleIgnoreState() throws TeamException {
	String GLOBALIGNORE_FILE = ".globalIgnores"; //$NON-NLS-1$
	IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(GLOBALIGNORE_FILE);
	File f = pluginStateLocation.toFile();
	if (!f.exists()) return false;
	try {
	DataInputStream dis = new DataInputStream(new FileInputStream(f));
	try {
	int ignoreCount = 0;
	try {
	ignoreCount = dis.readInt();
	} catch (EOFException e) {
	// Ignore the exception, it will occur if there are no ignore
	// patterns stored in the provider state file.
	return false;
	}
	for (int i = 0; i < ignoreCount; i++) {
	String pattern = dis.readUTF();
	boolean enabled = dis.readBoolean();
	globalIgnore.put(pattern, Boolean.valueOf(enabled));
	}
	} finally {
	dis.close();
	}
	f.delete();
	} catch (FileNotFoundException e) {
	// not a fatal error, there just happens not to be any state to read
	} catch (IOException ex) {
	throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Messages.Team_readError, ex));
	}
	return true;
	}
	/**
	* Initialize the registry, restoring its state.
	*
	* This method is called by the plug-in upon startup, clients should not call this method
	*/
	public static void startup() {
	// Register a delta listener that will tell the provider about a project move and meta-file creation
	ResourcesPlugin.getWorkspace().addResourceChangeListener(new TeamResourceChangeListener(), IResourceChangeEvent.POST_CHANGE);
	}

	/**
	* Shut down the registry, persisting its state.
	*
	* This method is called by the plug-in upon shutdown, clients should not call this method
	*/
	public static void shutdown() {
	TeamPlugin.getPlugin().savePluginPreferences();
	}
	/**
	* @deprecated
	* Use {@link org.eclipse.team.core.RepositoryProviderType#getProjectSetCapability()}
	* to obtain an instance of {@link ProjectSetCapability} instead.
	*/
	public static IProjectSetSerializer getProjectSetSerializer(String id) {
	TeamPlugin plugin = TeamPlugin.getPlugin();
	if (plugin != null) {
	IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(TeamPlugin.PROJECT_SET_EXTENSION);
	if (extension != null) {
	IExtension[] extensions = extension.getExtensions();
	for (int i = 0; i < extensions.length; i++) {
	IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
	for (int j = 0; j < configElements.length; j++) {
	String extensionId = configElements[j].getAttribute("id"); //$NON-NLS-1$
	if (extensionId != null && extensionId.equals(id)) {
	try {
	return (IProjectSetSerializer)configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
	} catch (CoreException e) {
	TeamPlugin.log(e);
	return null;
	}
	}
	}
	}
	}
	}
	return null;
	}


	/**
	* Return the default ignore infos
	* (i.e. those that are specified in
	* plugin manifests).
	* @return the default ignore infos.
	* @since 3.0
	*/
	public static IIgnoreInfo[] getDefaultIgnores() {
	SortedMap gIgnore = new TreeMap();
	SortedMap pIgnore = new TreeMap();
	initializePluginIgnores(pIgnore, gIgnore);
	return getIgnoreInfo(gIgnore);
	}

	/**
	* TODO: change to file content manager
	* Return the default file type bindings
	* (i.e. those that are specified in
	* plugin manifests).
	* @return the default file type bindings
	* @since 3.0
	* @deprecated Use Team.getFileContentManager().getDefaultExtensionMappings() instead.
	*/
	public static IFileTypeInfo[] getDefaultTypes() {
	return asFileTypeInfo(getFileContentManager().getDefaultExtensionMappings());
	}

	private static IFileTypeInfo [] asFileTypeInfo(IStringMapping [] mappings) {
	final IFileTypeInfo [] infos= new IFileTypeInfo[mappings.length];
	for (int i = 0; i < infos.length; i++) {
	infos[i]= new StringMappingWrapper(mappings[i]);
	}
	return infos;
	}

	/**
	* Get the file content manager which implements the API for manipulating the mappings between
	* file names, file extensions and content types.
	*
	* @return an instance of IFileContentManager
	*
	* @see IFileContentManager
	*
	* @since 3.1
	*/
	public static IFileContentManager getFileContentManager() {
	return fFileContentManager;
	}

	/**
	* Creates a storage merger for the given content type.
	* If no storage merger is registered for the given content type <code>null</code> is returned.
	*
	* @param type the type for which to find a storage merger
	* @return a storage merger for the given type, or <code>null</code> if no
	* storage merger has been registered
	*
	* @since 3.2
	*/
	public IStorageMerger createStorageMerger(IContentType type) {
	return StorageMergerRegistry.getInstance().createStreamMerger(type);
	}

	/**
	* Creates a storage merger for the given file extension.
	* If no storage merger is registered for the file extension <code>null</code> is returned.
	*
	* @param extension the extension for which to find a storage merger
	* @return a stream merger for the given type, or <code>null</code> if no
	* storage merger has been registered
	*
	* @since 3.2
	*/
	public IStorageMerger createStorageMerger(String extension) {
	return StorageMergerRegistry.getInstance().createStreamMerger(extension);
	}
	}