com.github.ggerla.poxoserializer.POxOSerializer Maven / Gradle / Ivy

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/*
 * Copyright 2014 Giuseppe Gerla. All Rights Reserved.
 *
 * 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 com.github.ggerla.poxoserializer;

import com.github.ggerla.poxoserializer.exception.POxOSerializerException;
import com.github.ggerla.poxoserializer.io.POxOPrimitiveDecoder;
import com.github.ggerla.poxoserializer.io.POxOPrimitiveEncoder;
import com.github.ggerla.poxoserializer.serializers.ObjectSerializer;

import java.io.IOException;

public class POxOSerializer {
	private POxOPrimitiveDecoder input;

	private POxOPrimitiveEncoder output;

	private POxOSerializerUtil serializerUtil;

	public POxOSerializer() {
		serializerUtil = new POxOSerializerUtil();
	}

	public Object deserialize(byte[] bytes) throws POxOSerializerException {
		input = new POxOPrimitiveDecoder(bytes);

		ObjectSerializer objSerializer = new ObjectSerializer(serializerUtil);
		Object ret = objSerializer.read(input);

		try {
			input.close();
		} catch (IOException e) {
			throw new POxOSerializerException(
					"Error during decoder stream closing.", e);
		}
		return ret;
	}

	public byte[] serialize(Object obj) throws POxOSerializerException {

		if (obj == null) {
			throw new IllegalArgumentException(
					"It is not possible serialize null object");
		}

		output = new POxOPrimitiveEncoder(2048);

		ObjectSerializer objSerializer = new ObjectSerializer(serializerUtil);
		objSerializer.write(output, obj);
		byte[] ret = output.toByteArray();

		try {
			output.close();
		} catch (IOException e) {
			throw new POxOSerializerException(
					"Error during encoder stream closing.", e);
		}

		return ret;
	}

	public void setClassLoader(ClassLoader classLoader) {
		serializerUtil.setClassLoader(classLoader);
	}
}