001/* 002 * Copyright 2002-2015 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.core.serializer.support; 018 019import java.io.ByteArrayOutputStream; 020 021import org.springframework.core.convert.converter.Converter; 022import org.springframework.core.serializer.DefaultSerializer; 023import org.springframework.core.serializer.Serializer; 024import org.springframework.util.Assert; 025 026/** 027 * A {@link Converter} that delegates to a 028 * {@link org.springframework.core.serializer.Serializer} 029 * to convert an object to a byte array. 030 * 031 * @author Gary Russell 032 * @author Mark Fisher 033 * @since 3.0.5 034 */ 035public class SerializingConverter implements Converter<Object, byte[]> { 036 037 private final Serializer<Object> serializer; 038 039 040 /** 041 * Create a default {@code SerializingConverter} that uses standard Java serialization. 042 */ 043 public SerializingConverter() { 044 this.serializer = new DefaultSerializer(); 045 } 046 047 /** 048 * Create a {@code SerializingConverter} that delegates to the provided {@link Serializer}. 049 */ 050 public SerializingConverter(Serializer<Object> serializer) { 051 Assert.notNull(serializer, "Serializer must not be null"); 052 this.serializer = serializer; 053 } 054 055 056 /** 057 * Serializes the source object and returns the byte array result. 058 */ 059 @Override 060 public byte[] convert(Object source) { 061 ByteArrayOutputStream byteStream = new ByteArrayOutputStream(1024); 062 try { 063 this.serializer.serialize(source, byteStream); 064 return byteStream.toByteArray(); 065 } 066 catch (Throwable ex) { 067 throw new SerializationFailedException("Failed to serialize object using " + 068 this.serializer.getClass().getSimpleName(), ex); 069 } 070 } 071 072}