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.IRequestCycle;
018    import org.apache.tapestry.engine.ServiceEncoding;
019    
020    /**
021     * Defines the 'app' scope for persisting client properties. Persist the properties in all cases.
022     * 
023     * @author Mindbridge
024     * @since 4.0
025     * @see org.apache.tapestry.record.ClientPropertyPersistenceScope
026     */
027    public class AppClientPropertyPersistenceScope extends
028            AbstractPrefixedClientPropertyPersistenceScope
029    {
030    
031        public AppClientPropertyPersistenceScope()
032        {
033            super("appstate:");
034        }
035    
036        /**
037         * Always returns true.
038         */
039    
040        public boolean shouldEncodeState(ServiceEncoding encoding, IRequestCycle cycle,
041                String pageName, PersistentPropertyData data)
042        {
043            return true;
044        }
045    }