001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.util.io; 018 019import java.io.Writer; 020 021import org.apache.wicket.util.string.AppendingStringBuffer; 022 023 024/** 025 * @author jcompagner 026 */ 027public class StringBufferWriter extends Writer 028{ 029 /** The buffer which holds the chars */ 030 private AppendingStringBuffer buffer; 031 032 /** 033 * Constructor 034 */ 035 public StringBufferWriter() 036 { 037 buffer = new AppendingStringBuffer(4096); 038 } 039 040 /** 041 * @return The AppendingStringBuffer with the written data 042 */ 043 public AppendingStringBuffer getStringBuffer() 044 { 045 return buffer; 046 } 047 048 /** 049 * @param buffer 050 */ 051 public void setStringBuffer(final AppendingStringBuffer buffer) 052 { 053 this.buffer = buffer; 054 } 055 056 /** 057 * Writers the char to the buffer 058 * 059 * @param ch 060 */ 061 public void write(final char ch) 062 { 063 buffer.append(ch); 064 } 065 066 /** 067 * @see java.io.Writer#write(char[]) 068 */ 069 @Override 070 public void write(final char charArray[]) 071 { 072 buffer.append(charArray); 073 } 074 075 /** 076 * @see java.io.Writer#write(char[], int, int) 077 */ 078 @Override 079 public void write(final char charArray[], final int offset, final int length) 080 { 081 buffer.append(charArray, offset, length); 082 } 083 084 /** 085 * @see java.io.Writer#write(java.lang.String) 086 */ 087 @Override 088 public void write(final String string) 089 { 090 buffer.append(string); 091 } 092 093 /** 094 * @see java.io.Writer#write(java.lang.String, int, int) 095 */ 096 @Override 097 public void write(final String string, final int offset, final int length) 098 { 099 buffer.append(string.substring(offset, offset + length)); 100 } 101 102 /** 103 * @see java.io.Writer#flush() 104 */ 105 @Override 106 public void flush() 107 { 108 } 109 110 /** 111 * resets the buffer. 112 */ 113 public void reset() 114 { 115 buffer.setLength(0); 116 } 117 118 /** 119 * @see java.io.Writer#close() 120 */ 121 @Override 122 public void close() 123 { 124 } 125 126}