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    package org.fusesource.hawtbuf.codec;
018    
019    import java.io.DataInput;
020    import java.io.DataOutput;
021    import java.io.IOException;
022    
023    /**
024     * Implementation of a Marshaller for Strings
025     * 
026     */
027    public class StringCodec implements Codec<String> {
028        
029        public static final StringCodec INSTANCE = new StringCodec();
030        
031        /**
032         * Write the payload of this entry to the RawContainer
033         * 
034         * @param object
035         * @param dataOut
036         * @throws IOException
037         */
038        public void encode(String object, DataOutput dataOut) throws IOException {
039            dataOut.writeUTF(object);
040        }
041    
042        /**
043         * Read the entry from the RawContainer
044         * 
045         * @param dataIn
046         * @return unmarshalled object
047         * @throws IOException
048         */
049        public String decode(DataInput dataIn) throws IOException {
050            return dataIn.readUTF();
051        }
052    
053    
054        public int getFixedSize() {
055            return -1;
056        }
057    
058        public String deepCopy(String source) {
059            return source;
060        }
061    
062        public boolean isDeepCopySupported() {
063            return true;
064        }
065    
066        public boolean isEstimatedSizeSupported() {
067            return true;
068        }
069    
070        public int estimatedSize(String object) {
071            return object.length()+2;
072        }
073    }