/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.eclipse.common.util;

 import org.eclipse.core.resources.IProject;

 import org.eclipse.core.resources.ProjectScope;

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

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

 import org.eclipse.ui.preferences.ScopedPreferenceStore;

 /**

  * @author taichi

  * 

  */

 public class PreferenceStoreUtil {

         public static ScopedPreferenceStore getCascadingStore(String qualifier,

                         IProject project) {

                 IScopeContext[] ctxs = null;

                 if (project != null) {

                         ctxs = new IScopeContext[2];

                         ctxs[0] = new ProjectScope(project);

                         ctxs[1] = new InstanceScope();

                 } else {

                         ctxs = new IScopeContext[1];

                         ctxs[0] = new InstanceScope();

                 }

                 ScopedPreferenceStore store = new ScopedPreferenceStore(ctxs[0],

                                 qualifier);

                 store.setSearchContexts(ctxs);

                 return store;

         }

 }