/*

  * Copyright 2004-2011 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.teeda.core.managedbean.impl;

 import java.util.HashMap;

 import java.util.Map;

 import javax.faces.context.FacesContext;

 import org.seasar.teeda.core.managedbean.IllegalManagedBeanScopeException;

 import org.seasar.teeda.core.managedbean.ManagedBeanScopeSaver;

 import org.seasar.teeda.core.scope.Scope;

 import org.seasar.teeda.core.scope.ScopeAlreadyRegisteredException;

 import org.seasar.teeda.core.scope.ScopeSaver;

 import org.seasar.teeda.core.scope.impl.ApplicationScopeSaver;

 import org.seasar.teeda.core.scope.impl.NoneScopeSaver;

 import org.seasar.teeda.core.scope.impl.RequestScopeSaver;

 import org.seasar.teeda.core.scope.impl.SessionScopeSaver;

 /**

  * @author shot

  */

 public class ManagedBeanScopeSaverImpl implements ManagedBeanScopeSaver {

     private static Map scopeSavers_ = new HashMap();

     static {

         scopeSavers_.put(Scope.APPLICATION, new ApplicationScopeSaver());

         scopeSavers_.put(Scope.REQUEST, new RequestScopeSaver());

         scopeSavers_.put(Scope.SESSION, new SessionScopeSaver());

         scopeSavers_.put(Scope.NONE, new NoneScopeSaver());

     }

     public ManagedBeanScopeSaverImpl() {

     }

     public void saveToScope(FacesContext context, Scope scope, String key,

             Object value) {

         if (scope == null) {

             throw new IllegalArgumentException();

         }

         ScopeSaver saver = (ScopeSaver) scopeSavers_.get(scope);

         if (saver != null) {

             saver.saveToScope(context, key, value);

         } else {

             throw new IllegalManagedBeanScopeException(key, value);

         }

     }

     public void addScope(Scope scope, ScopeSaver saver)

             throws ScopeAlreadyRegisteredException {

         if (scopeSavers_.containsKey(scope)) {

             throw new ScopeAlreadyRegisteredException(new Object[] { scope

                     .getScopeKey() });

         }

         scopeSavers_.put(scope, saver);

     }

 }