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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.msgpack;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.dubbo.common.serialize.ObjectInput;
import org.apache.dubbo.common.utils.PojoUtils;
import org.msgpack.jackson.dataformat.MessagePackFactory;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Type;
public class MsgpackObjectInput implements ObjectInput {
private final InputStream in;
private ObjectMapper om;
public MsgpackObjectInput(InputStream in) {
this.in = in;
om = new ObjectMapper(new MessagePackFactory());
om.configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, false);
}
@Override
public boolean readBool() throws IOException {
return read(boolean.class);
}
@Override
public byte readByte() throws IOException {
return read(byte.class);
}
@Override
public short readShort() throws IOException {
return read(short.class);
}
@Override
public int readInt() throws IOException {
return read(int.class);
}
@Override
public long readLong() throws IOException {
return read(long.class);
}
@Override
public float readFloat() throws IOException {
return read(float.class);
}
@Override
public double readDouble() throws IOException {
return read(double.class);
}
@Override
public String readUTF() throws IOException {
return read(String.class);
}
@Override
public byte[] readBytes() throws IOException {
return read(byte[].class);
}
@Override
public Object readObject() throws IOException, ClassNotFoundException {
return om.readValue(this.in, Object.class);
}
@Override
public T readObject(Class cls) throws IOException, ClassNotFoundException {
return read(cls);
}
@Override
@SuppressWarnings("unchecked")
public T readObject(Class cls, Type type) throws IOException, ClassNotFoundException {
Object value = readObject(cls);
return (T) PojoUtils.realize(value, cls, type);
}
private T read(Class cls) throws IOException {
return om.readValue(this.in, cls);
}
@Override
public Throwable readThrowable() throws IOException, ClassNotFoundException {
Class clazz = readObject(Class.class);
return (Throwable) readObject(clazz);
}
}