/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.core.serializer.support;
import java.io.ByteArrayOutputStream;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.serializer.DefaultSerializer;
import org.springframework.core.serializer.Serializer;
import org.springframework.util.Assert;
/**
* A {@Link Converter} that delegates to a {@link org.springframework.core.serializer.Serializer}
* to convert an object to a byte array.
*
* @author Gary Russell
* @author Mark Fisher
* @since 3.0.5
*/
public class SerializingConverter implements Converter<Object, byte[]> {
private final Serializer<Object> serializer;
/**
* Create a default SerializingConverter that uses standard Java serialization.
*/
public SerializingConverter() {
this.serializer = new DefaultSerializer();
}
/**
* Create a SerializingConverter that delegates to the provided {@link Serializer}
*/
public SerializingConverter(Serializer<Object> serializer) {
Assert.notNull(serializer, "Serializer must not be null");
this.serializer = serializer;
}
/**
* Serializes the source object and returns the byte array result.
*/
public byte[] convert(Object source) {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream(128);
try {
this.serializer.serialize(source, byteStream);
return byteStream.toByteArray();
}
catch (Throwable ex) {
throw new SerializationFailedException("Failed to serialize object using " +
this.serializer.getClass().getSimpleName(), ex);
}
}
}
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