001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.jci.examples.serverpages;
019    
020    import java.util.Map;
021    
022    import org.apache.commons.jci.readers.ResourceReader;
023    
024    /**
025     * @author tcurdt
026     */
027    public final class JspReader implements ResourceReader {
028    
029        private final Map<String, byte[]> sources;
030        private final ResourceReader reader;
031    
032    
033        public JspReader( final Map<String, byte[]> pSources, final ResourceReader pReader ) {
034            reader = pReader;
035            sources = pSources;
036        }
037    
038    
039        public byte[] getBytes( String pResourceName ) {
040    
041            final byte[] bytes = sources.get(pResourceName);
042    
043            if (bytes != null) {
044                return bytes;
045            }
046    
047            return reader.getBytes(pResourceName);
048        }
049    
050        public boolean isAvailable( String pResourceName ) {
051    
052            if (sources.containsKey(pResourceName)) {
053                return true;
054            }
055    
056            return reader.isAvailable(pResourceName);
057        }
058    
059    }