spork-master/src/org/apache/pig/backend/hadoop/accumulo/FixedByteArrayOutputStream.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.pig.backend.hadoop.accumulo;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Uses a fixed length array and will not grow in size dynamically like the
 * {@link java.io.ByteArrayOutputStream}.
 */
public class FixedByteArrayOutputStream extends OutputStream {

    private int i;
    byte out[];

    public FixedByteArrayOutputStream(byte out[]) {
        this.out = out;
    }

    @Override
    public void write(int b) throws IOException {
        out[i++] = (byte) b;
    }

    @Override
    public void write(byte b[], int off, int len) throws IOException {
        System.arraycopy(b, off, out, i, len);
        i += len;
    }

}
