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

 package org.eclipse.team.core;

 /*******************************************************************************
  * Copyright (c) 2002 IBM Corporation and others.
  * All rights reserved.   This program and the accompanying materials
  * are made available under the terms of the Common Public License v0.5
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v05.html
  *
  * Contributors:
  * IBM - Initial API and implementation
  ******************************************************************************/

 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.EOFException;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IProjectDescription;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtension;
 import org.eclipse.core.runtime.IExtensionPoint;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.team.internal.core.*;
 import org.eclipse.team.internal.core.Policy;
 import org.eclipse.team.internal.core.StringMatcher;

 /**
  * The Team class provides a global point of reference for the global ignore set
  * and the text/binary registry.
  */
 public final class Team {
 	// File type constants
 	public static final int UNKNOWN = 0;
 	public static final int TEXT = 1;
 	public static final int BINARY = 2;

 	// File name of the persisted file type information
 	private static final String STATE_FILE = ".fileTypes"; //$NON-NLS-1$

 	// File name of the persisted global ignore patterns
 	private final static String GLOBALIGNORE_FILE = ".globalIgnores"; //$NON-NLS-1$

 	// Keys: file extensions. Values: Integers
 	private static Hashtable table;

 	// The ignore list that is read at startup from the persisted file
 	private static Map globalIgnore = new HashMap(11);

 	private static class FileTypeInfo implements IFileTypeInfo {
 		private String extension;
 		private int type;

 		public FileTypeInfo(String extension, int type) {
 			this.extension = extension;
 			this.type = type;
 		}
 		public String getExtension() {
 			return extension;
 		}
 		public int getType() {
 			return type;
 		}
 	}

 	private static class IgnoreInfo implements IIgnoreInfo {
 		private String pattern;
 		private boolean enabled;

 		public IgnoreInfo(String pattern, boolean enabled) {
 			this.pattern = pattern;
 			this.enabled = enabled;
 		}
 		public String getPattern() {
 			return pattern;
 		}
 		public boolean getEnabled() {
 			return enabled;
 		}
 	};

 	/**
 	 * Return the type of the given file.
 	 *
 	 * Valid return values are:
 	 * Team.TEXT
 	 * Team.BINARY
 	 * Team.UNKNOWN
 	 *
 	 * @param file  the file
 	 * @return whether files with the given extension are TEXT, BINARY, or UNKNOWN
 	 */
 	public static int getType(IFile file) {
 		String extension = file.getFileExtension();
 		if (extension == null) return UNKNOWN;
 		Integer integer = (Integer)table.get(extension);
 		if (integer == null) return UNKNOWN;
 		return integer.intValue();
 	}

 	/**
 	 * 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 file  the file
 	 * @return whether the file should be ignored
 	 */
 	public static boolean isIgnoredHint(IFile file) {
 		if (file.isDerived()) return true;
 		IIgnoreInfo[] ignorePatterns = getAllIgnores();
 		StringMatcher matcher;
 		for (int i = 0; i < ignorePatterns.length; i++) {
 			IIgnoreInfo info = ignorePatterns[i];
 			if (info.getEnabled()) {
 				matcher = new StringMatcher(info.getPattern(), true, false);
 				if (matcher.match(file.getName())) return true;
 			}
 		}
 		return false;
 	}

 	/**
 	 * Returns whether the given file should be ignored.
 	 * @deprecated use isIgnoredHint instead
 	 */
 	public static boolean isIgnored(IFile file) {
 		IIgnoreInfo[] ignorePatterns = getAllIgnores();
 		StringMatcher matcher;
 		for (int i = 0; i < ignorePatterns.length; i++) {
 			IIgnoreInfo info = ignorePatterns[i];
 			if (info.getEnabled()) {
 				matcher = new StringMatcher(info.getPattern(), true, false);
 				if (matcher.match(file.getName())) return true;
 			}
 		}
 		return false;
 	}

 	/**
 	 * Return all known file types.
 	 *
 	 * @return all known file types
 	 */
 	public static IFileTypeInfo[] getAllTypes() {
 		List result = new ArrayList();
 		Enumeration e = table.keys();
 		while (e.hasMoreElements()) {
 			String string = (String)e.nextElement();
 			int type = ((Integer)table.get(string)).intValue();
 			result.add(new FileTypeInfo(string, type));
 		}
 		return (IFileTypeInfo[])result.toArray(new IFileTypeInfo[result.size()]);
 	}

 	/**
 	 * Returns the list of global ignores.
 	 */
 	public static IIgnoreInfo[] getAllIgnores() {
 		IIgnoreInfo[] result = new IIgnoreInfo[globalIgnore.size()];
 		Iterator e = globalIgnore.keySet().iterator();
 		int i = 0;
 		while (e.hasNext() ) {
 			final String pattern = (String)e.next();
 			final boolean enabled = ((Boolean)globalIgnore.get(pattern)).booleanValue();
 			result[i++] = new IIgnoreInfo() {
 				private String p = pattern;
 				private boolean e = enabled;
 				public String getPattern() {
 					return p;
 				}
 				public boolean getEnabled() {
 					return e;
 				}
 			};
 		}
 		return result;
 	}

 	/**
 	 * Set the file type for the give extension to the given type.
 	 *
 	 * Valid types are:
 	 * Team.TEXT
 	 * Team.BINARY
 	 * Team.UNKNOWN
 	 *
 	 * @param extension  the file extension
 	 * @param type  the file type
 	 */
 	public static void setAllTypes(String[] extensions, int[] types) {
 		table = new Hashtable(11);
 		for (int i = 0; i < extensions.length; i++) {
 			table.put(extensions[i], new Integer(types[i]));
 		}
 	}

 	/**
 	 * Add patterns to the list of global ignores.
 	 */
 	public static void setAllIgnores(String[] patterns, boolean[] enabled) {
 		globalIgnore = new Hashtable(11);
 		for (int i = 0; i < patterns.length; i++) {
 			globalIgnore.put(patterns[i], new Boolean(enabled[i]));
 		}
 	}

 	/**
 	 * Utility method for removing a project nature from a project.
 	 *
 	 * @param proj the project to remove the nature from
 	 * @param natureId the nature id to remove
 	 * @param monitor a progress monitor to indicate the duration of the operation, or
 	 * <code>null</code> if progress reporting is not required.
 	 */
 	public static void removeNatureFromProject(IProject proj, String natureId, IProgressMonitor monitor) throws TeamException {
 		try {
 			IProjectDescription description = proj.getDescription();
 			String[] prevNatures= description.getNatureIds();
 			List newNatures = new ArrayList(Arrays.asList(prevNatures));
 			newNatures.remove(natureId);
 			description.setNatureIds((String[])newNatures.toArray(new String[newNatures.size()]));
 			proj.setDescription(description, monitor);
 		} catch(CoreException e) {
 			throw wrapException(Policy.bind("manager.errorRemovingNature", proj.getName(), natureId), e); //$NON-NLS-1$
 		}
 	}

 	/**
 	 * Utility method for adding a nature to a project.
 	 *
 	 * @param proj the project to add the nature
 	 * @param natureId the id of the nature to assign to the project
 	 * @param monitor a progress monitor to indicate the duration of the operation, or
 	 * <code>null</code> if progress reporting is not required.
 	 *
 	 * @exception TeamException if a problem occured setting the nature
 	 */
 	public static void addNatureToProject(IProject proj, String natureId, IProgressMonitor monitor) throws TeamException {
 		try {
 			IProjectDescription description = proj.getDescription();
 			String[] prevNatures= description.getNatureIds();
 			String[] newNatures= new String[prevNatures.length + 1];
 			System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
 			newNatures[prevNatures.length]= natureId;
 			description.setNatureIds(newNatures);
 			proj.setDescription(description, monitor);
 		} catch(CoreException e) {
 			throw wrapException(Policy.bind("manager.errorSettingNature", proj.getName(), natureId), e); //$NON-NLS-1$
 		}
 	}

 	/*
 	 * TEXT
 	 *
 	 * Reads the text patterns currently defined by extensions.
 	 */
 	private static void initializePluginPatterns() {
 		TeamPlugin plugin = TeamPlugin.getPlugin();
 		if (plugin != null) {
 			IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(TeamPlugin.FILE_TYPES_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 ext = configElements[j].getAttribute("extension"); //$NON-NLS-1$
 						if (ext != null) {
 							String type = configElements[j].getAttribute("type"); //$NON-NLS-1$
 							// If the extension doesn't already exist, add it.
 							if (!table.containsKey(ext)) {
 								if (type.equals("text")) { //$NON-NLS-1$
 									table.put(ext, new Integer(TEXT));
 								} else if (type.equals("binary")) { //$NON-NLS-1$
 									table.put(ext, new Integer(BINARY));
 								}
 							}
 						}
 					}
 				}
 			}
 		}
 	}

 	/*
 	 * TEXT
 	 *
 	 * Read the saved file type state from the given input stream.
 	 *
 	 * @param dis  the input stream to read the saved state from
 	 * @throws IOException if an I/O problem occurs
 	 */
 	private static void readTextState(DataInputStream dis) throws IOException {
 		table = new Hashtable(11);
 		int extensionCount = 0;
 		try {
 			extensionCount = dis.readInt();
 		} catch (EOFException e) {
 			// Ignore the exception, it will occur if there are no
 			// patterns stored in the state file.
 			return;
 		}
 		for (int i = 0; i < extensionCount; i++) {
 			String extension = dis.readUTF();
 			int type = dis.readInt();
 			table.put(extension, new Integer(type));
 		}
 	}

 	/*
 	 * TEXT
 	 *
 	 * Write the current state to the given output stream.
 	 *
 	 * @param dos  the output stream to write the saved state to
 	 * @throws IOException if an I/O problem occurs
 	 */
 	private static void writeTextState(DataOutputStream dos) throws IOException {
 		dos.writeInt(table.size());
 		Iterator it = table.keySet().iterator();
 		while (it.hasNext()) {
 			String extension = (String)it.next();
 			dos.writeUTF(extension);
 			Integer integer = (Integer)table.get(extension);
 			dos.writeInt(integer.intValue());
 		}
 	}

 	/*
 	 * TEXT
 	 *
 	 * Load the file type registry saved state. This loads the previously saved
 	 * contents, as well as discovering any values contributed by plug-ins.
 	 */
 	private static void loadTextState() {
 		IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(STATE_FILE);
 		File f = pluginStateLocation.toFile();
 		if (f.exists()) {
 			try {
 				DataInputStream dis = new DataInputStream(new FileInputStream(f));
 				readTextState(dis);
 				dis.close();
 			} catch (IOException ex) {
 				TeamPlugin.log(Status.ERROR, ex.getMessage(), ex);
 			}
 		}
 		// Read values contributed by plugins
 		initializePluginPatterns();
 	}

 	/*
 	 * TEXT
 	 *
 	 * Save the file type registry state.
 	 */
 	private static void saveTextState() {
 		IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation();
 		File tempFile = pluginStateLocation.append(STATE_FILE + ".tmp").toFile(); //$NON-NLS-1$
 		File stateFile = pluginStateLocation.append(STATE_FILE).toFile();
 		try {
 			DataOutputStream dos = new DataOutputStream(new FileOutputStream(tempFile));
 			writeTextState(dos);
 			dos.close();
 			if (stateFile.exists() && !stateFile.delete()) {
 				TeamPlugin.log(Status.ERROR, Policy.bind("Team.Could_not_delete_state_file_1"), null); //$NON-NLS-1$
 				return;
 			}
 			boolean renamed = tempFile.renameTo(stateFile);
 			if (!renamed) {
 				TeamPlugin.log(Status.ERROR, Policy.bind("Team.Could_not_rename_state_file_2"), null); //$NON-NLS-1$
 				return;
 			}
 		} catch (Exception e) {
 			TeamPlugin.log(Status.ERROR, e.getMessage(), e);
 		}
 	}

 	/*
 	 * IGNORE
 	 *
 	 * Reads the ignores currently defined by extensions.
 	 */
 	private static void initializePluginIgnores() {
 		TeamPlugin plugin = TeamPlugin.getPlugin();
 		if (plugin != null) {
 			IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(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("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
 							if (!globalIgnore.containsKey(pattern)) {
 								globalIgnore.put(pattern, new Boolean(enabled));
 							}
 						}
 					}
 				}
 			}
 		}
 	}

 	/*
 	 * IGNORE
 	 *
 	 * Save global ignore file
 	 */
 	private static void saveIgnoreState() throws TeamException {
 		// save global ignore list to disk
 		IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation();
 		File tempFile = pluginStateLocation.append(GLOBALIGNORE_FILE + ".tmp").toFile(); //$NON-NLS-1$
 		File stateFile = pluginStateLocation.append(GLOBALIGNORE_FILE).toFile();
 		try {
 			DataOutputStream dos = new DataOutputStream(new FileOutputStream(tempFile));
 			writeIgnoreState(dos);
 			dos.close();
 			if (stateFile.exists())
 				stateFile.delete();
 			boolean renamed = tempFile.renameTo(stateFile);
 			if (!renamed)
 				throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Policy.bind("TeamPlugin_renaming_21"), null)); //$NON-NLS-1$
 		} catch (IOException ex) {
 			throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Policy.bind("TeamPlugin_closing_stream_22"), ex)); //$NON-NLS-1$
 		}
 	}

 	/*
 	 * IGNORE
 	 *
 	 * Write the global ignores to the stream
 	 */
 	private static void writeIgnoreState(DataOutputStream dos) throws IOException {
 		// write the global ignore list
 		int ignoreLength = globalIgnore.size();
 		dos.writeInt(ignoreLength);
 		Iterator e = globalIgnore.keySet().iterator();
 		while (e.hasNext()) {
 			String pattern = (String)e.next();
 			boolean enabled = ((Boolean)globalIgnore.get(pattern)).booleanValue();
 			dos.writeUTF(pattern);
 			dos.writeBoolean(enabled);
 		}
 	}

 	/*
 	 * IGNORE
 	 *
 	 * Reads the global ignore file
 	 */
 	private static void readIgnoreState() throws TeamException {
 		// read saved repositories list and ignore list from disk, only if the file exists
 		IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(GLOBALIGNORE_FILE);
 		File f = pluginStateLocation.toFile();
 		if(f.exists()) {
 			try {
 				DataInputStream dis = new DataInputStream(new FileInputStream(f));
 				globalIgnore = new Hashtable(11);
 				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;
 				}
 				for (int i = 0; i < ignoreCount; i++) {
 					String pattern = dis.readUTF();
 					boolean enabled = dis.readBoolean();
 					globalIgnore.put(pattern, new Boolean(enabled));
 				}
 			} 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, Policy.bind("TeamPlugin_closing_stream_23"), ex));			 //$NON-NLS-1$
 			}
 		}
 	}

 	/**
 	 * 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() throws CoreException {
 		try {
 			table = new Hashtable(11);
 			loadTextState();
 			readIgnoreState();
 			initializePluginIgnores();
 		} catch (TeamException e) {
 			throw new CoreException(e.getStatus());
 		}
 	}

 	/**
 	 * 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() {
 		saveTextState();
 		try {
 			// make sure that we update our state on disk
 			saveIgnoreState();
 		} catch (TeamException ex) {
 			TeamPlugin.log(IStatus.WARNING, Policy.bind("TeamPlugin_setting_global_ignore_7"), ex); //$NON-NLS-1$
 		}
 	}
 	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.getStatus());
 								return null;
 							}
 						}
 					}
 				}
 			}
 		}
 		return null;
 	}
 	private static TeamException wrapException(String message, CoreException e) {
 		MultiStatus status = new MultiStatus(TeamPlugin.ID, 0, message, e);
 		status.merge(e.getStatus());
 		return new TeamException(status);
 	}
 }
	package org.eclipse.team.core;

	/*******************************************************************************
	* Copyright (c) 2002 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v0.5
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v05.html
	*
	* Contributors:
	* IBM - Initial API and implementation
	******************************************************************************/

	import java.io.DataInputStream;
	import java.io.DataOutputStream;
	import java.io.EOFException;
	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Enumeration;
	import java.util.HashMap;
	import java.util.Hashtable;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IProjectDescription;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IExtension;
	import org.eclipse.core.runtime.IExtensionPoint;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.MultiStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.team.internal.core.*;
	import org.eclipse.team.internal.core.Policy;
	import org.eclipse.team.internal.core.StringMatcher;

	/**
	* The Team class provides a global point of reference for the global ignore set
	* and the text/binary registry.
	*/
	public final class Team {
	// File type constants
	public static final int UNKNOWN = 0;
	public static final int TEXT = 1;
	public static final int BINARY = 2;

	// File name of the persisted file type information
	private static final String STATE_FILE = ".fileTypes"; //$NON-NLS-1$

	// File name of the persisted global ignore patterns
	private final static String GLOBALIGNORE_FILE = ".globalIgnores"; //$NON-NLS-1$

	// Keys: file extensions. Values: Integers
	private static Hashtable table;

	// The ignore list that is read at startup from the persisted file
	private static Map globalIgnore = new HashMap(11);

	private static class FileTypeInfo implements IFileTypeInfo {
	private String extension;
	private int type;

	public FileTypeInfo(String extension, int type) {
	this.extension = extension;
	this.type = type;
	}
	public String getExtension() {
	return extension;
	}
	public int getType() {
	return type;
	}
	}

	private static class IgnoreInfo implements IIgnoreInfo {
	private String pattern;
	private boolean enabled;

	public IgnoreInfo(String pattern, boolean enabled) {
	this.pattern = pattern;
	this.enabled = enabled;
	}
	public String getPattern() {
	return pattern;
	}
	public boolean getEnabled() {
	return enabled;
	}
	};

	/**
	* Return the type of the given file.
	*
	* Valid return values are:
	* Team.TEXT
	* Team.BINARY
	* Team.UNKNOWN
	*
	* @param file the file
	* @return whether files with the given extension are TEXT, BINARY, or UNKNOWN
	*/
	public static int getType(IFile file) {
	String extension = file.getFileExtension();
	if (extension == null) return UNKNOWN;
	Integer integer = (Integer)table.get(extension);
	if (integer == null) return UNKNOWN;
	return integer.intValue();
	}

	/**
	* 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 file the file
	* @return whether the file should be ignored
	*/
	public static boolean isIgnoredHint(IFile file) {
	if (file.isDerived()) return true;
	IIgnoreInfo[] ignorePatterns = getAllIgnores();
	StringMatcher matcher;
	for (int i = 0; i < ignorePatterns.length; i++) {
	IIgnoreInfo info = ignorePatterns[i];
	if (info.getEnabled()) {
	matcher = new StringMatcher(info.getPattern(), true, false);
	if (matcher.match(file.getName())) return true;
	}
	}
	return false;
	}

	/**
	* Returns whether the given file should be ignored.
	* @deprecated use isIgnoredHint instead
	*/
	public static boolean isIgnored(IFile file) {
	IIgnoreInfo[] ignorePatterns = getAllIgnores();
	StringMatcher matcher;
	for (int i = 0; i < ignorePatterns.length; i++) {
	IIgnoreInfo info = ignorePatterns[i];
	if (info.getEnabled()) {
	matcher = new StringMatcher(info.getPattern(), true, false);
	if (matcher.match(file.getName())) return true;
	}
	}
	return false;
	}

	/**
	* Return all known file types.
	*
	* @return all known file types
	*/
	public static IFileTypeInfo[] getAllTypes() {
	List result = new ArrayList();
	Enumeration e = table.keys();
	while (e.hasMoreElements()) {
	String string = (String)e.nextElement();
	int type = ((Integer)table.get(string)).intValue();
	result.add(new FileTypeInfo(string, type));
	}
	return (IFileTypeInfo[])result.toArray(new IFileTypeInfo[result.size()]);
	}

	/**
	* Returns the list of global ignores.
	*/
	public static IIgnoreInfo[] getAllIgnores() {
	IIgnoreInfo[] result = new IIgnoreInfo[globalIgnore.size()];
	Iterator e = globalIgnore.keySet().iterator();
	int i = 0;
	while (e.hasNext() ) {
	final String pattern = (String)e.next();
	final boolean enabled = ((Boolean)globalIgnore.get(pattern)).booleanValue();
	result[i++] = new IIgnoreInfo() {
	private String p = pattern;
	private boolean e = enabled;
	public String getPattern() {
	return p;
	}
	public boolean getEnabled() {
	return e;
	}
	};
	}
	return result;
	}

	/**
	* Set the file type for the give extension to the given type.
	*
	* Valid types are:
	* Team.TEXT
	* Team.BINARY
	* Team.UNKNOWN
	*
	* @param extension the file extension
	* @param type the file type
	*/
	public static void setAllTypes(String[] extensions, int[] types) {
	table = new Hashtable(11);
	for (int i = 0; i < extensions.length; i++) {
	table.put(extensions[i], new Integer(types[i]));
	}
	}

	/**
	* Add patterns to the list of global ignores.
	*/
	public static void setAllIgnores(String[] patterns, boolean[] enabled) {
	globalIgnore = new Hashtable(11);
	for (int i = 0; i < patterns.length; i++) {
	globalIgnore.put(patterns[i], new Boolean(enabled[i]));
	}
	}

	/**
	* Utility method for removing a project nature from a project.
	*
	* @param proj the project to remove the nature from
	* @param natureId the nature id to remove
	* @param monitor a progress monitor to indicate the duration of the operation, or
	* <code>null</code> if progress reporting is not required.
	*/
	public static void removeNatureFromProject(IProject proj, String natureId, IProgressMonitor monitor) throws TeamException {
	try {
	IProjectDescription description = proj.getDescription();
	String[] prevNatures= description.getNatureIds();
	List newNatures = new ArrayList(Arrays.asList(prevNatures));
	newNatures.remove(natureId);
	description.setNatureIds((String[])newNatures.toArray(new String[newNatures.size()]));
	proj.setDescription(description, monitor);
	} catch(CoreException e) {
	throw wrapException(Policy.bind("manager.errorRemovingNature", proj.getName(), natureId), e); //$NON-NLS-1$
	}
	}

	/**
	* Utility method for adding a nature to a project.
	*
	* @param proj the project to add the nature
	* @param natureId the id of the nature to assign to the project
	* @param monitor a progress monitor to indicate the duration of the operation, or
	* <code>null</code> if progress reporting is not required.
	*
	* @exception TeamException if a problem occured setting the nature
	*/
	public static void addNatureToProject(IProject proj, String natureId, IProgressMonitor monitor) throws TeamException {
	try {
	IProjectDescription description = proj.getDescription();
	String[] prevNatures= description.getNatureIds();
	String[] newNatures= new String[prevNatures.length + 1];
	System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
	newNatures[prevNatures.length]= natureId;
	description.setNatureIds(newNatures);
	proj.setDescription(description, monitor);
	} catch(CoreException e) {
	throw wrapException(Policy.bind("manager.errorSettingNature", proj.getName(), natureId), e); //$NON-NLS-1$
	}
	}

	/*
	* TEXT
	*
	* Reads the text patterns currently defined by extensions.
	*/
	private static void initializePluginPatterns() {
	TeamPlugin plugin = TeamPlugin.getPlugin();
	if (plugin != null) {
	IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(TeamPlugin.FILE_TYPES_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 ext = configElements[j].getAttribute("extension"); //$NON-NLS-1$
	if (ext != null) {
	String type = configElements[j].getAttribute("type"); //$NON-NLS-1$
	// If the extension doesn't already exist, add it.
	if (!table.containsKey(ext)) {
	if (type.equals("text")) { //$NON-NLS-1$
	table.put(ext, new Integer(TEXT));
	} else if (type.equals("binary")) { //$NON-NLS-1$
	table.put(ext, new Integer(BINARY));
	}
	}
	}
	}
	}
	}
	}
	}

	/*
	* TEXT
	*
	* Read the saved file type state from the given input stream.
	*
	* @param dis the input stream to read the saved state from
	* @throws IOException if an I/O problem occurs
	*/
	private static void readTextState(DataInputStream dis) throws IOException {
	table = new Hashtable(11);
	int extensionCount = 0;
	try {
	extensionCount = dis.readInt();
	} catch (EOFException e) {
	// Ignore the exception, it will occur if there are no
	// patterns stored in the state file.
	return;
	}
	for (int i = 0; i < extensionCount; i++) {
	String extension = dis.readUTF();
	int type = dis.readInt();
	table.put(extension, new Integer(type));
	}
	}

	/*
	* TEXT
	*
	* Write the current state to the given output stream.
	*
	* @param dos the output stream to write the saved state to
	* @throws IOException if an I/O problem occurs
	*/
	private static void writeTextState(DataOutputStream dos) throws IOException {
	dos.writeInt(table.size());
	Iterator it = table.keySet().iterator();
	while (it.hasNext()) {
	String extension = (String)it.next();
	dos.writeUTF(extension);
	Integer integer = (Integer)table.get(extension);
	dos.writeInt(integer.intValue());
	}
	}

	/*
	* TEXT
	*
	* Load the file type registry saved state. This loads the previously saved
	* contents, as well as discovering any values contributed by plug-ins.
	*/
	private static void loadTextState() {
	IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(STATE_FILE);
	File f = pluginStateLocation.toFile();
	if (f.exists()) {
	try {
	DataInputStream dis = new DataInputStream(new FileInputStream(f));
	readTextState(dis);
	dis.close();
	} catch (IOException ex) {
	TeamPlugin.log(Status.ERROR, ex.getMessage(), ex);
	}
	}
	// Read values contributed by plugins
	initializePluginPatterns();
	}

	/*
	* TEXT
	*
	* Save the file type registry state.
	*/
	private static void saveTextState() {
	IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation();
	File tempFile = pluginStateLocation.append(STATE_FILE + ".tmp").toFile(); //$NON-NLS-1$
	File stateFile = pluginStateLocation.append(STATE_FILE).toFile();
	try {
	DataOutputStream dos = new DataOutputStream(new FileOutputStream(tempFile));
	writeTextState(dos);
	dos.close();
	if (stateFile.exists() && !stateFile.delete()) {
	TeamPlugin.log(Status.ERROR, Policy.bind("Team.Could_not_delete_state_file_1"), null); //$NON-NLS-1$
	return;
	}
	boolean renamed = tempFile.renameTo(stateFile);
	if (!renamed) {
	TeamPlugin.log(Status.ERROR, Policy.bind("Team.Could_not_rename_state_file_2"), null); //$NON-NLS-1$
	return;
	}
	} catch (Exception e) {
	TeamPlugin.log(Status.ERROR, e.getMessage(), e);
	}
	}

	/*
	* IGNORE
	*
	* Reads the ignores currently defined by extensions.
	*/
	private static void initializePluginIgnores() {
	TeamPlugin plugin = TeamPlugin.getPlugin();
	if (plugin != null) {
	IExtensionPoint extension = plugin.getDescriptor().getExtensionPoint(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("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
	if (!globalIgnore.containsKey(pattern)) {
	globalIgnore.put(pattern, new Boolean(enabled));
	}
	}
	}
	}
	}
	}
	}

	/*
	* IGNORE
	*
	* Save global ignore file
	*/
	private static void saveIgnoreState() throws TeamException {
	// save global ignore list to disk
	IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation();
	File tempFile = pluginStateLocation.append(GLOBALIGNORE_FILE + ".tmp").toFile(); //$NON-NLS-1$
	File stateFile = pluginStateLocation.append(GLOBALIGNORE_FILE).toFile();
	try {
	DataOutputStream dos = new DataOutputStream(new FileOutputStream(tempFile));
	writeIgnoreState(dos);
	dos.close();
	if (stateFile.exists())
	stateFile.delete();
	boolean renamed = tempFile.renameTo(stateFile);
	if (!renamed)
	throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Policy.bind("TeamPlugin_renaming_21"), null)); //$NON-NLS-1$
	} catch (IOException ex) {
	throw new TeamException(new Status(IStatus.ERROR, TeamPlugin.ID, 0, Policy.bind("TeamPlugin_closing_stream_22"), ex)); //$NON-NLS-1$
	}
	}

	/*
	* IGNORE
	*
	* Write the global ignores to the stream
	*/
	private static void writeIgnoreState(DataOutputStream dos) throws IOException {
	// write the global ignore list
	int ignoreLength = globalIgnore.size();
	dos.writeInt(ignoreLength);
	Iterator e = globalIgnore.keySet().iterator();
	while (e.hasNext()) {
	String pattern = (String)e.next();
	boolean enabled = ((Boolean)globalIgnore.get(pattern)).booleanValue();
	dos.writeUTF(pattern);
	dos.writeBoolean(enabled);
	}
	}

	/*
	* IGNORE
	*
	* Reads the global ignore file
	*/
	private static void readIgnoreState() throws TeamException {
	// read saved repositories list and ignore list from disk, only if the file exists
	IPath pluginStateLocation = TeamPlugin.getPlugin().getStateLocation().append(GLOBALIGNORE_FILE);
	File f = pluginStateLocation.toFile();
	if(f.exists()) {
	try {
	DataInputStream dis = new DataInputStream(new FileInputStream(f));
	globalIgnore = new Hashtable(11);
	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;
	}
	for (int i = 0; i < ignoreCount; i++) {
	String pattern = dis.readUTF();
	boolean enabled = dis.readBoolean();
	globalIgnore.put(pattern, new Boolean(enabled));
	}
	} 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, Policy.bind("TeamPlugin_closing_stream_23"), ex)); //$NON-NLS-1$
	}
	}
	}

	/**
	* 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() throws CoreException {
	try {
	table = new Hashtable(11);
	loadTextState();
	readIgnoreState();
	initializePluginIgnores();
	} catch (TeamException e) {
	throw new CoreException(e.getStatus());
	}
	}

	/**
	* 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() {
	saveTextState();
	try {
	// make sure that we update our state on disk
	saveIgnoreState();
	} catch (TeamException ex) {
	TeamPlugin.log(IStatus.WARNING, Policy.bind("TeamPlugin_setting_global_ignore_7"), ex); //$NON-NLS-1$
	}
	}
	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.getStatus());
	return null;
	}
	}
	}
	}
	}
	}
	return null;
	}
	private static TeamException wrapException(String message, CoreException e) {
	MultiStatus status = new MultiStatus(TeamPlugin.ID, 0, message, e);
	status.merge(e.getStatus());
	return new TeamException(status);
	}
	}