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 a Integer 025 * 026 */ 027 public class IntegerCodec implements Codec<Integer> { 028 029 public static final IntegerCodec INSTANCE = new IntegerCodec(); 030 031 public void encode(Integer object, DataOutput dataOut) throws IOException { 032 dataOut.writeInt(object); 033 } 034 035 public Integer decode(DataInput dataIn) throws IOException { 036 return dataIn.readInt(); 037 } 038 039 public int getFixedSize() { 040 return 4; 041 } 042 043 044 /** 045 * @return the source object since integers are immutable. 046 */ 047 public Integer deepCopy(Integer source) { 048 return source; 049 } 050 051 public boolean isDeepCopySupported() { 052 return true; 053 } 054 055 public boolean isEstimatedSizeSupported() { 056 return true; 057 } 058 public int estimatedSize(Integer object) { 059 return 4; 060 } 061 }