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/*******************************************************************************
* Copyright (c) 2007 Oracle Corporation.
* 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:
* Cameron Bateman - initial implementation
*******************************************************************************/
package org.eclipse.jst.jsf.core.internal;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.jface.preference.IPreferenceStore;
/**
* Defines a generic JSF preferences model
*
* @author cbateman
*
*/
public interface IJSFPreferenceModel
{
/**
* Loads the object from the preference store provided
*
* @param prefStore
*/
public void load(IPreferenceStore prefStore);
/**
* Copies the object into the preference store but DOES NOT SAVE IT
*
* @param prefStore
*/
public void commit(IPreferenceStore prefStore);
/**
* Reverts the model to it's defaults. Does not commit to pref store.
*/
public void setDefaults();
/**
* @param context
* @param key
* @return the preference value in context with using key as the id
*/
public Object getValueByKey(final IScopeContext context, final String key);
/**
* @param context
* @param key
* @return the preference value in context using key as the id and drawing
* it directly from the preference store
*/
public Object getStoredValueByKey(final IScopeContext context, final String key);
/**
* Set the preference value indicated by key in context to value. May
* throw ClassCastException if value is not the type expected for the key
* @param context
* @param key
* @param value
* @return the old value
*/
public Object setValueByKey(final IScopeContext context, final String key, final Object value);
}
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