001    // Copyright 2009 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.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.services.AssetPathConverter;
018    
019    /**
020     * Returns the default asset path unchanged. This is an invariant converter.
021     *
022     * @since 5.1.0.0
023     */
024    public class IdentityAssetPathConverter implements AssetPathConverter
025    {
026        /**
027         * @return true
028         */
029        public boolean isInvariant()
030        {
031            return true;
032        }
033    
034        /**
035         * @param assetPath default asset path
036         * @return assetPath unchanged
037         */
038        public String convertAssetPath(String assetPath)
039        {
040            return assetPath;
041        }
042    }