modules/core/src/main/java/org/apache/ignite/internal/dto/IgniteDataTransferObjectOutput.java

/*
 * 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.ignite.internal.dto;

import java.io.IOException;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import org.apache.ignite.internal.util.io.GridByteArrayOutputStream;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.jetbrains.annotations.NotNull;

/**
 * Wrapper for object output.
 */
public class IgniteDataTransferObjectOutput implements ObjectOutput {
    /** */
    private final ObjectOutput out;

    /** */
    private final GridByteArrayOutputStream bos;

    /** */
    private final ObjectOutputStream oos;

    /**
     * Constructor.
     *
     * @param out Target stream.
     * @throws IOException If an I/O error occurs.
     */
    public IgniteDataTransferObjectOutput(ObjectOutput out) throws IOException {
        this.out = out;

        bos = new GridByteArrayOutputStream();
        oos = new ObjectOutputStream(bos);
    }

    /** {@inheritDoc} */
    @Override public void writeObject(Object obj) throws IOException {
        oos.writeObject(obj);
    }

    /** {@inheritDoc} */
    @Override public void write(int b) throws IOException {
        oos.write(b);
    }

    /** {@inheritDoc} */
    @Override public void write(byte[] b) throws IOException {
        oos.write(b);
    }

    /** {@inheritDoc} */
    @Override public void write(byte[] b, int off, int len) throws IOException {
        oos.write(b, off, len);
    }

    /** {@inheritDoc} */
    @Override public void writeBoolean(boolean v) throws IOException {
        oos.writeBoolean(v);
    }

    /** {@inheritDoc} */
    @Override public void writeByte(int v) throws IOException {
        oos.writeByte(v);
    }

    /** {@inheritDoc} */
    @Override public void writeShort(int v) throws IOException {
        oos.writeShort(v);
    }

    /** {@inheritDoc} */
    @Override public void writeChar(int v) throws IOException {
        oos.writeChar(v);
    }

    /** {@inheritDoc} */
    @Override public void writeInt(int v) throws IOException {
        oos.writeInt(v);
    }

    /** {@inheritDoc} */
    @Override public void writeLong(long v) throws IOException {
        oos.writeLong(v);
    }

    /** {@inheritDoc} */
    @Override public void writeFloat(float v) throws IOException {
        oos.writeFloat(v);
    }

    /** {@inheritDoc} */
    @Override public void writeDouble(double v) throws IOException {
        oos.writeDouble(v);
    }

    /** {@inheritDoc} */
    @Override public void writeBytes(@NotNull String s) throws IOException {
        oos.writeBytes(s);
    }

    /** {@inheritDoc} */
    @Override public void writeChars(@NotNull String s) throws IOException {
        oos.writeChars(s);
    }

    /** {@inheritDoc} */
    @Override public void writeUTF(@NotNull String s) throws IOException {
        oos.writeUTF(s);
    }

    /** {@inheritDoc} */
    @Override public void flush() throws IOException {
        oos.flush();
    }

    /** {@inheritDoc} */
    @Override public void close() throws IOException {
        oos.flush();

        U.writeByteArray(out, bos.internalArray(), bos.size());

        oos.close();
    }
}