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/*
* 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.dubbo.common.serialize.kryo;
import org.apache.dubbo.common.serialize.Cleanable;
import org.apache.dubbo.common.serialize.ObjectInput;
import org.apache.dubbo.common.serialize.kryo.utils.KryoUtils;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.KryoException;
import com.esotericsoftware.kryo.io.Input;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Type;
/**
* Kryo object input implementation, kryo object can be clean
*/
public class KryoObjectInput implements ObjectInput, Cleanable {
private Kryo kryo;
private Input input;
public KryoObjectInput(InputStream inputStream) {
input = new Input(inputStream);
this.kryo = KryoUtils.get();
}
@Override
public boolean readBool() throws IOException {
try {
return input.readBoolean();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public byte readByte() throws IOException {
try {
return input.readByte();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public short readShort() throws IOException {
try {
return input.readShort();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public int readInt() throws IOException {
try {
return input.readInt();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public long readLong() throws IOException {
try {
return input.readLong();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public float readFloat() throws IOException {
try {
return input.readFloat();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public double readDouble() throws IOException {
try {
return input.readDouble();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public byte[] readBytes() throws IOException {
try {
int len = input.readInt();
if (len < 0) {
return null;
} else if (len == 0) {
return new byte[]{};
} else {
return input.readBytes(len);
}
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public String readUTF() throws IOException {
try {
return input.readString();
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
public Object readObject() throws IOException, ClassNotFoundException {
// TODO optimization
try {
return kryo.readClassAndObject(input);
} catch (KryoException e) {
throw new IOException(e);
}
}
@Override
@SuppressWarnings("unchecked")
public T readObject(Class clazz) throws IOException, ClassNotFoundException {
// TODO optimization
return (T) readObject();
}
@Override
@SuppressWarnings("unchecked")
public T readObject(Class clazz, Type type) throws IOException, ClassNotFoundException {
// TODO optimization
return readObject(clazz);
}
@Override
public void cleanup() {
KryoUtils.release(kryo);
kryo = null;
}
}