com.codingapi.tx.framework.utils.serializer.ProtostuffSerializer Maven / Gradle / Ivy
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/**
* Copyright (C) 2016 Newland Group Holding Limited
*
* 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.codingapi.tx.framework.utils.serializer;
import com.dyuproject.protostuff.LinkedBuffer;
import com.dyuproject.protostuff.ProtostuffIOUtil;
import com.dyuproject.protostuff.Schema;
import com.lorne.core.framework.exception.SerializerException;
import org.objenesis.Objenesis;
import org.objenesis.ObjenesisStd;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
/**
* @author lorne 2017/11/11
*/
public class ProtostuffSerializer implements ISerializer {
private static final SchemaCache cachedSchema = SchemaCache.getInstance();
private static final Objenesis objenesis = new ObjenesisStd(true);
private static Schema getSchema(Class cls) {
return (Schema) cachedSchema.get(cls);
}
@Override
public byte[] serialize(Object obj) throws SerializerException {
Class cls = obj.getClass();
LinkedBuffer buffer = LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
Schema schema = getSchema(cls);
ProtostuffIOUtil.writeTo(outputStream, obj, schema, buffer);
} catch (Exception e) {
throw new SerializerException(e.getMessage(), e);
} finally {
buffer.clear();
}
return outputStream.toByteArray();
}
@Override
public T deSerialize(byte[] param, Class clazz) throws SerializerException {
T object;
try {
ByteArrayInputStream inputStream = new ByteArrayInputStream(param);
Class cls = clazz;
object = objenesis.newInstance((Class) cls);
Schema schema = getSchema(cls);
ProtostuffIOUtil.mergeFrom(inputStream, object, schema);
return object;
} catch (Exception e) {
throw new SerializerException(e.getMessage(), e);
}
}
}