001/* 002 * Copyright (C) 2009 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 */ 014 015package com.google.common.io; 016 017import com.google.common.annotations.GwtIncompatible; 018import java.io.DataOutput; 019import java.io.IOException; 020 021/** 022 * An extension of {@code DataOutput} for writing to in-memory byte arrays; its methods offer 023 * identical functionality but do not throw {@link IOException}. 024 * 025 * @author Jayaprabhakar Kadarkarai 026 * @since 1.0 027 */ 028@GwtIncompatible 029public interface ByteArrayDataOutput extends DataOutput { 030 @Override 031 void write(int b); 032 033 @Override 034 void write(byte b[]); 035 036 @Override 037 void write(byte b[], int off, int len); 038 039 @Override 040 void writeBoolean(boolean v); 041 042 @Override 043 void writeByte(int v); 044 045 @Override 046 void writeShort(int v); 047 048 @Override 049 void writeChar(int v); 050 051 @Override 052 void writeInt(int v); 053 054 @Override 055 void writeLong(long v); 056 057 @Override 058 void writeFloat(float v); 059 060 @Override 061 void writeDouble(double v); 062 063 @Override 064 void writeChars(String s); 065 066 @Override 067 void writeUTF(String s); 068 069 /** 070 * @deprecated This method is dangerous as it discards the high byte of every character. For 071 * UTF-8, use {@code write(s.getBytes(StandardCharsets.UTF_8))}. 072 */ 073 @Deprecated 074 @Override 075 void writeBytes(String s); 076 077 /** Returns the contents that have been written to this instance, as a byte array. */ 078 byte[] toByteArray(); 079}