14ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira/* 24ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Licensed to the Apache Software Foundation (ASF) under one or more 34ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * contributor license agreements. See the NOTICE file distributed with 44ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * this work for additional information regarding copyright ownership. 54ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * The ASF licenses this file to You under the Apache License, Version 2.0 64ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * (the "License"); you may not use this file except in compliance with 74ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * the License. You may obtain a copy of the License at 84ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * 94ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * http://www.apache.org/licenses/LICENSE-2.0 104ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * 114ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Unless required by applicable law or agreed to in writing, software 124ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * distributed under the License is distributed on an "AS IS" BASIS, 134ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 144ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * See the License for the specific language governing permissions and 154ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * limitations under the License. 164ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 174ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereirapackage org.apache.commons.io.output; 184ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 194ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereiraimport java.io.FilterWriter; 204ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereiraimport java.io.IOException; 214ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereiraimport java.io.Writer; 224ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 234ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira/** 244ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * A Proxy stream which acts as expected, that is it passes the method 254ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * calls on to the proxied stream and doesn't change which methods are 264ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * being called. It is an alternative base class to FilterWriter 274ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * to increase reusability, because FilterWriter changes the 284ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * methods being called, such as write(char[]) to write(char[], int, int) 294ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * and write(String) to write(String, int, int). 304ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * 314ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @author Stephen Colebourne 324ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @version $Id: ProxyWriter.java 610010 2008-01-08 14:50:59Z niallp $ 334ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 344ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereirapublic class ProxyWriter extends FilterWriter { 354ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 364ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 374ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Constructs a new ProxyWriter. 384ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * 394ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param proxy the Writer to delegate to 404ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 414ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public ProxyWriter(Writer proxy) { 424ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira super(proxy); 434ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira // the proxy is stored in a protected superclass variable named 'out' 444ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 454ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 464ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 474ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>write(int)</code> method. 484ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param idx the character to write 494ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 504ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 514ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void write(int idx) throws IOException { 524ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.write(idx); 534ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 544ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 554ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 564ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>write(char[])</code> method. 574ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param chr the characters to write 584ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 594ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 604ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void write(char[] chr) throws IOException { 614ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.write(chr); 624ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 634ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 644ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 654ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>write(char[], int, int)</code> method. 664ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param chr the characters to write 674ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param st The start offset 684ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param end The number of characters to write 694ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 704ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 714ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void write(char[] chr, int st, int end) throws IOException { 724ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.write(chr, st, end); 734ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 744ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 754ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 764ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>write(String)</code> method. 774ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param str the string to write 784ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 794ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 804ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void write(String str) throws IOException { 814ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.write(str); 824ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 834ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 844ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 854ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>write(String)</code> method. 864ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param str the string to write 874ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param st The start offset 884ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @param end The number of characters to write 894ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 904ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 914ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void write(String str, int st, int end) throws IOException { 924ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.write(str, st, end); 934ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 944ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 954ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 964ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>flush()</code> method. 974ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 984ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 994ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void flush() throws IOException { 1004ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.flush(); 1014ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 1024ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 1034ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira /** 1044ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * Invokes the delegate's <code>close()</code> method. 1054ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira * @throws IOException if an I/O error occurs 1064ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira */ 1074ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira public void close() throws IOException { 1084ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira out.close(); 1094ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira } 1104ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira 1114ebb916ddca5f59d4f854f104fca0de6e0dda706Mindy Pereira} 112