xref: /external/guava/guava/src/com/google/common/io/ByteArrayDataOutput.java

/*
 * Copyright (C) 2009 The Guava Authors
 *
 * Licensed 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.google.common.io;

import java.io.DataOutput;
import java.io.IOException;

/**
 * An extension of {@code DataOutput} for writing to in-memory byte arrays; its
 * methods offer identical functionality but do not throw {@link IOException}.
 *
 * @author Jayaprabhakar Kadarkarai
 * @since 1.0
 */
public interface ByteArrayDataOutput extends DataOutput {
  @Override void write(int b);
  @Override void write(byte b[]);
  @Override void write(byte b[], int off, int len);
  @Override void writeBoolean(boolean v);
  @Override void writeByte(int v);
  @Override void writeShort(int v);
  @Override void writeChar(int v);
  @Override void writeInt(int v);
  @Override void writeLong(long v);
  @Override void writeFloat(float v);
  @Override void writeDouble(double v);
  @Override void writeChars(String s);
  @Override void writeUTF(String s);

  /**
   * @deprecated This method is dangerous as it discards the high byte of
   * every character. For UTF-8, use {@code write(s.getBytes(Charsets.UTF_8))}.
   */
  @Deprecated @Override void writeBytes(String s);

  /**
   * Returns the contents that have been written to this instance,
   * as a byte array.
   */
  byte[] toByteArray();
}