/*******************************************************************************
* 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
* Zend Technologies
*******************************************************************************/
/**
*
*/
package org.eclipse.php.internal.ui.preferences.util;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.ui.preferences.IWorkingCopyManager;
import org.osgi.service.prefs.BackingStoreException;
public final class Key {
private String fQualifier;
private String fKey;
public Key(String qualifier, String key) {
fQualifier = qualifier;
fKey = key;
}
public String getName() {
return fKey;
}
private IEclipsePreferences getNode(IScopeContext context,
IWorkingCopyManager manager) {
IEclipsePreferences node = context.getNode(fQualifier);
if (manager != null) {
return manager.getWorkingCopy(node);
}
return node;
}
public String getStoredValue(IScopeContext context,
IWorkingCopyManager manager) {
// fixed bug 197125
// check if the node preferences existence before get its keys
IEclipsePreferences node = getNode(context, manager);
try {
if (node.nodeExists("")) { //$NON-NLS-1$
return node.get(fKey, null);
}
} catch (BackingStoreException e) {
}
return null;
}
public String getStoredValue(IScopeContext[] lookupOrder,
boolean ignoreTopScope, IWorkingCopyManager manager) {
for (int i = ignoreTopScope ? 1 : 0; i < lookupOrder.length; i++) {
String value = getStoredValue(lookupOrder[i], manager);
if (value != null) {
return value;
}
}
return null;
}
public void setStoredValue(IScopeContext context, String value,
IWorkingCopyManager manager) {
if (value != null) {
getNode(context, manager).put(fKey, value);
} else {
getNode(context, manager).remove(fKey);
}
}
public void setStoredValue(IScopeContext[] context, String value,
IWorkingCopyManager manager) {
if (value != null) {
getNode(context[0], manager).put(fKey, value);
} else {
getNode(context[0], manager).remove(fKey);
}
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
public String toString() {
return fQualifier + '/' + fKey;
}
public String getQualifier() {
return fQualifier;
}
}