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/*******************************************************************************
* Copyright (c) 2004, 2005 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.core.internal.preferences;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IScopeContext;
/**
* Abstract super-class for scope context object contributed
* by the Platform.
*
* @since 3.0
*/
public abstract class AbstractScope implements IScopeContext {
/*
* @see org.eclipse.core.runtime.preferences.IScopeContext#getName()
*/
public abstract String getName();
/*
* Default path hierarchy for nodes is /<scope>/<qualifier>.
*
* @see org.eclipse.core.runtime.preferences.IScopeContext#getNode(java.lang.String)
*/
public IEclipsePreferences getNode(String qualifier) {
if (qualifier == null)
throw new IllegalArgumentException();
return (IEclipsePreferences) PreferencesService.getDefault().getRootNode().node(getName()).node(qualifier);
}
/*
* @see org.eclipse.core.runtime.preferences.IScopeContext#getLocation()
*/
public abstract IPath getLocation();
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof IScopeContext))
return false;
IScopeContext other = (IScopeContext) obj;
if (!getName().equals(other.getName()))
return false;
IPath location = getLocation();
return location == null ? other.getLocation() == null : location.equals(other.getLocation());
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return getName().hashCode();
}
}
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