pdfbox-trunk/io/src/main/java/org/apache/pdfbox/io/RandomAccessWrite.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.pdfbox.io;

import java.io.Closeable;
import java.io.IOException;

/**
 * An interface allowing random access write operations.
 */
public interface RandomAccessWrite extends Closeable
{
    /**
     * Write a byte to the stream.
     *
     * @param b The byte to write.
     * @throws IOException If there is an IO error while writing.
     */
    void write(int b) throws IOException;

    /**
     * Write a buffer of data to the stream.
     *
     * @param b The buffer to get the data from.
     * @throws IOException If there is an error while writing the data.
     */
    void write(byte[] b) throws IOException;

    /**
     * Write a buffer of data to the stream.
     *
     * @param b The buffer to get the data from.
     * @param offset An offset into the buffer to get the data from.
     * @param length The length of data to write.
     * @throws IOException If there is an error while writing the data.
     */
    void write(byte[] b, int offset, int length) throws IOException;

    /**
     * Clears all data of the buffer.
     * 
     * @throws IOException If there is an error while clearing the data.
     */
    void clear() throws IOException;
}
