com.github.sparkfy.network.TestManagedBuffer.java Source code

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Here is the source code for com.github.sparkfy.network.TestManagedBuffer.java

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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 com.github.sparkfy.network;

import com.github.sparkfy.network.buffer.ManagedBuffer;
import com.github.sparkfy.network.buffer.NettyManagedBuffer;
import com.google.common.base.Preconditions;
import io.netty.buffer.Unpooled;

import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;

/**
 * A ManagedBuffer implementation that contains 0, 1, 2, 3, ..., (len-1).
 *
 * Used for testing.
 */
public class TestManagedBuffer extends ManagedBuffer {

    private final int len;
    private NettyManagedBuffer underlying;

    public TestManagedBuffer(int len) {
        Preconditions.checkArgument(len <= Byte.MAX_VALUE);
        this.len = len;
        byte[] byteArray = new byte[len];
        for (int i = 0; i < len; i++) {
            byteArray[i] = (byte) i;
        }
        this.underlying = new NettyManagedBuffer(Unpooled.wrappedBuffer(byteArray));
    }

    @Override
    public long size() {
        return underlying.size();
    }

    @Override
    public ByteBuffer nioByteBuffer() throws IOException {
        return underlying.nioByteBuffer();
    }

    @Override
    public InputStream createInputStream() throws IOException {
        return underlying.createInputStream();
    }

    @Override
    public ManagedBuffer retain() {
        underlying.retain();
        return this;
    }

    @Override
    public ManagedBuffer release() {
        underlying.release();
        return this;
    }

    @Override
    public Object convertToNetty() throws IOException {
        return underlying.convertToNetty();
    }

    @Override
    public int hashCode() {
        return underlying.hashCode();
    }

    @Override
    public boolean equals(Object other) {
        if (other instanceof ManagedBuffer) {
            try {
                ByteBuffer nioBuf = ((ManagedBuffer) other).nioByteBuffer();
                if (nioBuf.remaining() != len) {
                    return false;
                } else {
                    for (int i = 0; i < len; i++) {
                        if (nioBuf.get() != i) {
                            return false;
                        }
                    }
                    return true;
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return false;
    }
}