Fixed deprecation warning.

1 files changed, 417 insertions, 415 deletions

diff --git a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/Preferences.java b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/Preferences.java
index 3268363bf..5fc5fd99b 100644
--- a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/Preferences.java
+++ b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/Preferences.java
@@ -1,415 +1,417 @@
-/*******************************************************************************

- * Copyright (c) 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.core;

-

-import org.eclipse.core.runtime.preferences.DefaultScope;

-import org.eclipse.core.runtime.preferences.IEclipsePreferences;

-import org.eclipse.core.runtime.preferences.IScopeContext;

-import org.eclipse.core.runtime.preferences.InstanceScope;

-import org.eclipse.debug.core.DebugPlugin;

-import org.osgi.service.prefs.BackingStoreException;

-

-/**

- * Convenience class to facilitate using the new {@link IEclipsePreferences} story

- * 

- * @since 3.6

- * @noinstantiate This class is not intended to be instantiated by clients.

- */

-public final class Preferences {

-

-	static final IScopeContext[] contexts = new IScopeContext[] {new DefaultScope(), new InstanceScope()}; 

-	

-	static final int DEFAULT_CONTEXT = 0;

-	static final int INSTANCE_CONTEXT = 1;

-	

-	/**

-	 * Constructor

-	 */

-	private Preferences() {

-		// no direct instantiation

-	}

-	

-	/**

-	 * Sets a string preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier 

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setString(String qualifier, String key, String value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.put(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).put(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a boolean preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier 

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setBoolean(String qualifier, String key, boolean value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putBoolean(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putBoolean(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a integer preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setInt(String qualifier, String key, int value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putInt(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putInt(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a long preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setLong(String qualifier, String key, long value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putLong(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putLong(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a byte array preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setByteArray(String qualifier, String key, byte[] value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putByteArray(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putByteArray(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a double preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setDouble(String qualifier, String key, double value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putDouble(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putDouble(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a float preference in the {@link InstanceScope} or the given {@link IScopeContext} if it

-	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the value

-	 * @param context

-	 */

-	public static synchronized void setFloat(String qualifier, String key, float value, IScopeContext context) {

-		if(context != null) {

-			try {

-				IEclipsePreferences node = context.getNode(qualifier);

-				node.putFloat(key, value);

-				node.flush();

-			}

-			catch(BackingStoreException bse) {

-				DebugPlugin.log(bse);

-			}

-		}

-		else {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).putFloat(key, value);

-		}

-	}

-	

-	/**

-	 * Sets a string in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultString(String qualifier, String key, String value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).put(key, value);

-	}

-	

-	/**

-	 * Sets a boolean in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultBoolean(String qualifier, String key, boolean value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putBoolean(key, value);

-	}

-	

-	/**

-	 * Sets a byte array in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultByteArray(String qualifier, String key, byte[] value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putByteArray(key, value);

-	}

-	

-	/**

-	 * Sets a double in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultDouble(String qualifier, String key, double value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putDouble(key, value);

-	}

-	

-	/**

-	 * Sets a float in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultFloat(String qualifier, String key, float value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putFloat(key, value);

-	}

-	

-	/**

-	 * Sets a integer in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultInt(String qualifier, String key, int value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putInt(key, value);

-	}

-	

-	/**

-	 * Sets a long in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key the key

-	 * @param value the new value

-	 */

-	public static synchronized void setDefaultLong(String qualifier, String key, long value) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).putLong(key, value);

-	}

-	

-	/**

-	 * Sets the given preference to its default value. This is done by removing any set value

-	 * from the {@link InstanceScope}. Has no effect if the given key is <code>null</code>.

-	 * @param qualifier

-	 * @param key the key for the preference

-	 */

-	public static synchronized void setToDefault(String qualifier, String key) {

-		if(key != null) {

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).remove(key);

-		}

-	}

-	

-	/**

-	 * Returns the default boolean value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the boolean value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized boolean getDefaultBoolean(String qualifier, String key, boolean defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getBoolean(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default string value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the string value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized String getDefaultString(String qualifier, String key, String defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).get(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default byte array value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the byte array value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized byte[] getDefaultByteArray(String qualifier, String key, byte[] defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getByteArray(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default integer value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the integer value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized int getDefaultInt(String qualifier, String key, int defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getInt(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default long value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the long value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized long getDefaultLong(String qualifier, String key, long defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getLong(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default double value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the double value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized double getDefaultDouble(String qualifier, String key, double defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getDouble(key, defaultvalue);

-	}

-	

-	/**

-	 * Returns the default float value stored in the {@link DefaultScope} for the given key

-	 * or the specified default value if the key does not appear in the {@link DefaultScope}

-	 * @param qualifier

-	 * @param key

-	 * @param defaultvalue

-	 * 

-	 * @return the float value set in the {@link DefaultScope} for the given key, or the specified default value.

-	 */

-	public static synchronized float getDefaultFloat(String qualifier, String key, float defaultvalue) {

-		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getFloat(key, defaultvalue);

-	}

-	

-	/**

-	 * Save the preferences for the given plugin identifier.

-	 * It should be noted that all pending preference changes will be flushed with this method.

-	 * @param qualifier

-	 */

-	public static synchronized void savePreferences(String qualifier) {

-		try {

-			contexts[DEFAULT_CONTEXT].getNode(qualifier).flush();

-			contexts[INSTANCE_CONTEXT].getNode(qualifier).flush();

-		}

-		catch(BackingStoreException bse) {

-			DebugPlugin.log(bse);

-		}

-	}

-	

-	/**

-	 * Adds the given preference listener to the {@link DefaultScope} and the {@link InstanceScope}

-	 * @param qualifier

-	 * @param listener

-	 */

-	public static void addPreferenceListener(String qualifier, IEclipsePreferences.IPreferenceChangeListener listener) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).addPreferenceChangeListener(listener);

-		contexts[INSTANCE_CONTEXT].getNode(qualifier).addPreferenceChangeListener(listener);

-	}

-	

-	/**

-	 * Removes the given preference listener from the {@link DefaultScope} and the {@link InstanceScope}

-	 * @param qualifier

-	 * @param listener

-	 */

-	public static void removePreferenceListener(String qualifier, IEclipsePreferences.IPreferenceChangeListener listener) {

-		contexts[DEFAULT_CONTEXT].getNode(qualifier).removePreferenceChangeListener(listener);

-		contexts[INSTANCE_CONTEXT].getNode(qualifier).removePreferenceChangeListener(listener);

-	}

-}

+/*******************************************************************************
+ * Copyright (c) 2009, 2011 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.core;
+
+import org.osgi.service.prefs.BackingStoreException;
+
+import org.eclipse.core.runtime.preferences.DefaultScope;
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
+import org.eclipse.core.runtime.preferences.IScopeContext;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+
+import org.eclipse.debug.core.DebugPlugin;
+
+/**
+ * Convenience class to facilitate using the new {@link IEclipsePreferences} story
+ * 
+ * @since 3.6
+ * @noinstantiate This class is not intended to be instantiated by clients.
+ */
+public final class Preferences {
+
+	static final IScopeContext[] contexts= new IScopeContext[] { DefaultScope.INSTANCE, InstanceScope.INSTANCE };
+	
+	static final int DEFAULT_CONTEXT = 0;
+	static final int INSTANCE_CONTEXT = 1;
+	
+	/**
+	 * Constructor
+	 */
+	private Preferences() {
+		// no direct instantiation
+	}
+	
+	/**
+	 * Sets a string preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier 
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setString(String qualifier, String key, String value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.put(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).put(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a boolean preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier 
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setBoolean(String qualifier, String key, boolean value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putBoolean(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putBoolean(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a integer preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setInt(String qualifier, String key, int value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putInt(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putInt(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a long preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setLong(String qualifier, String key, long value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putLong(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putLong(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a byte array preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setByteArray(String qualifier, String key, byte[] value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putByteArray(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putByteArray(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a double preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setDouble(String qualifier, String key, double value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putDouble(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putDouble(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a float preference in the {@link InstanceScope} or the given {@link IScopeContext} if it
+	 * is not <code>null</code>. Preferences set in a given context are flushed as they are set.
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the value
+	 * @param context
+	 */
+	public static synchronized void setFloat(String qualifier, String key, float value, IScopeContext context) {
+		if(context != null) {
+			try {
+				IEclipsePreferences node = context.getNode(qualifier);
+				node.putFloat(key, value);
+				node.flush();
+			}
+			catch(BackingStoreException bse) {
+				DebugPlugin.log(bse);
+			}
+		}
+		else {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).putFloat(key, value);
+		}
+	}
+	
+	/**
+	 * Sets a string in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultString(String qualifier, String key, String value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).put(key, value);
+	}
+	
+	/**
+	 * Sets a boolean in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultBoolean(String qualifier, String key, boolean value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putBoolean(key, value);
+	}
+	
+	/**
+	 * Sets a byte array in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultByteArray(String qualifier, String key, byte[] value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putByteArray(key, value);
+	}
+	
+	/**
+	 * Sets a double in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultDouble(String qualifier, String key, double value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putDouble(key, value);
+	}
+	
+	/**
+	 * Sets a float in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultFloat(String qualifier, String key, float value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putFloat(key, value);
+	}
+	
+	/**
+	 * Sets a integer in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultInt(String qualifier, String key, int value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putInt(key, value);
+	}
+	
+	/**
+	 * Sets a long in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key the key
+	 * @param value the new value
+	 */
+	public static synchronized void setDefaultLong(String qualifier, String key, long value) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).putLong(key, value);
+	}
+	
+	/**
+	 * Sets the given preference to its default value. This is done by removing any set value
+	 * from the {@link InstanceScope}. Has no effect if the given key is <code>null</code>.
+	 * @param qualifier
+	 * @param key the key for the preference
+	 */
+	public static synchronized void setToDefault(String qualifier, String key) {
+		if(key != null) {
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).remove(key);
+		}
+	}
+	
+	/**
+	 * Returns the default boolean value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the boolean value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized boolean getDefaultBoolean(String qualifier, String key, boolean defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getBoolean(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default string value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the string value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized String getDefaultString(String qualifier, String key, String defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).get(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default byte array value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the byte array value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized byte[] getDefaultByteArray(String qualifier, String key, byte[] defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getByteArray(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default integer value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the integer value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized int getDefaultInt(String qualifier, String key, int defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getInt(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default long value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the long value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized long getDefaultLong(String qualifier, String key, long defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getLong(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default double value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the double value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized double getDefaultDouble(String qualifier, String key, double defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getDouble(key, defaultvalue);
+	}
+	
+	/**
+	 * Returns the default float value stored in the {@link DefaultScope} for the given key
+	 * or the specified default value if the key does not appear in the {@link DefaultScope}
+	 * @param qualifier
+	 * @param key
+	 * @param defaultvalue
+	 * 
+	 * @return the float value set in the {@link DefaultScope} for the given key, or the specified default value.
+	 */
+	public static synchronized float getDefaultFloat(String qualifier, String key, float defaultvalue) {
+		return contexts[DEFAULT_CONTEXT].getNode(qualifier).getFloat(key, defaultvalue);
+	}
+	
+	/**
+	 * Save the preferences for the given plugin identifier.
+	 * It should be noted that all pending preference changes will be flushed with this method.
+	 * @param qualifier
+	 */
+	public static synchronized void savePreferences(String qualifier) {
+		try {
+			contexts[DEFAULT_CONTEXT].getNode(qualifier).flush();
+			contexts[INSTANCE_CONTEXT].getNode(qualifier).flush();
+		}
+		catch(BackingStoreException bse) {
+			DebugPlugin.log(bse);
+		}
+	}
+	
+	/**
+	 * Adds the given preference listener to the {@link DefaultScope} and the {@link InstanceScope}
+	 * @param qualifier
+	 * @param listener
+	 */
+	public static void addPreferenceListener(String qualifier, IEclipsePreferences.IPreferenceChangeListener listener) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).addPreferenceChangeListener(listener);
+		contexts[INSTANCE_CONTEXT].getNode(qualifier).addPreferenceChangeListener(listener);
+	}
+	
+	/**
+	 * Removes the given preference listener from the {@link DefaultScope} and the {@link InstanceScope}
+	 * @param qualifier
+	 * @param listener
+	 */
+	public static void removePreferenceListener(String qualifier, IEclipsePreferences.IPreferenceChangeListener listener) {
+		contexts[DEFAULT_CONTEXT].getNode(qualifier).removePreferenceChangeListener(listener);
+		contexts[INSTANCE_CONTEXT].getNode(qualifier).removePreferenceChangeListener(listener);
+	}
+}