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.IOException; 020import java.io.InputStream; 021import java.io.OutputStream; 022 023import org.springframework.core.serializer.DefaultDeserializer; 024import org.springframework.core.serializer.DefaultSerializer; 025import org.springframework.core.serializer.Deserializer; 026import org.springframework.core.serializer.Serializer; 027import org.springframework.util.Assert; 028 029/** 030 * A convenient delegate with pre-arranged configuration state for common 031 * serialization needs. Implements {@link Serializer} and {@link Deserializer} 032 * itself, so can also be passed into such more specific callback methods. 033 * 034 * @author Juergen Hoeller 035 * @since 4.3 036 */ 037public class SerializationDelegate implements Serializer<Object>, Deserializer<Object> { 038 039 private final Serializer<Object> serializer; 040 041 private final Deserializer<Object> deserializer; 042 043 044 /** 045 * Create a {@code SerializationDelegate} with a default serializer/deserializer 046 * for the given {@code ClassLoader}. 047 * @see DefaultDeserializer 048 * @see DefaultDeserializer#DefaultDeserializer(ClassLoader) 049 */ 050 public SerializationDelegate(ClassLoader classLoader) { 051 this.serializer = new DefaultSerializer(); 052 this.deserializer = new DefaultDeserializer(classLoader); 053 } 054 055 /** 056 * Create a {@code SerializationDelegate} with the given serializer/deserializer. 057 * @param serializer the {@link Serializer} to use (never {@code null)} 058 * @param deserializer the {@link Deserializer} to use (never {@code null)} 059 */ 060 public SerializationDelegate(Serializer<Object> serializer, Deserializer<Object> deserializer) { 061 Assert.notNull(serializer, "Serializer must not be null"); 062 Assert.notNull(deserializer, "Deserializer must not be null"); 063 this.serializer = serializer; 064 this.deserializer = deserializer; 065 } 066 067 068 @Override 069 public void serialize(Object object, OutputStream outputStream) throws IOException { 070 this.serializer.serialize(object, outputStream); 071 } 072 073 @Override 074 public Object deserialize(InputStream inputStream) throws IOException { 075 return this.deserializer.deserialize(inputStream); 076 } 077 078}