org.apache.reef.io.serialization.SerializableCodec Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.reef.io.serialization;
import javax.inject.Inject;
import java.io.*;
import java.util.logging.Logger;
/**
* A {@link Codec} for {@link Serializable} objects.
*
* It uses java serialization, use with caution.
*
* @param The type of objects Serialized
*/
public class SerializableCodec implements Codec {
private static final Logger LOG = Logger.getLogger(SerializableCodec.class.getName());
/**
* Default constructor for TANG use.
*/
@Inject
public SerializableCodec() {
}
@Override
public byte[] encode(final T obj) {
try (final ByteArrayOutputStream bout = new ByteArrayOutputStream()) {
try (final ObjectOutputStream out = new ObjectOutputStream(bout)) {
out.writeObject(obj);
}
return bout.toByteArray();
} catch (final IOException ex) {
throw new RuntimeException("Unable to encode: " + obj, ex);
}
}
@Override
public T decode(final byte[] buf) {
try {
try (final ObjectInputStream oin = new ObjectInputStream(new ByteArrayInputStream(buf))) {
final T result = (T) oin.readObject();
return result;
}
} catch (final IOException | ClassNotFoundException ex) {
throw new RuntimeException("Unable to decode.", ex);
}
}
}