001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.record;
016    
017    import org.apache.tapestry.engine.ServiceEncoding;
018    
019    /**
020     * Defines the 'app' scope for persisting client properties. Persist the properties in all cases.
021     * 
022     * @author Mindbridge
023     * @since 4.0
024     * @see org.apache.tapestry.record.ClientPropertyPersistenceScope
025     */
026    public class AppClientPropertyPersistenceScope extends
027            AbstractPrefixedClientPropertyPersistenceScope
028    {
029    
030        public AppClientPropertyPersistenceScope()
031        {
032            super("appstate:");
033        }
034    
035        /**
036         * Always returns true.
037         */
038    
039        public boolean shouldEncodeState(ServiceEncoding encoding, String pageName,
040                PersistentPropertyData data)
041        {
042            return true;
043        }
044    }