001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *   http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.myfaces.tobago.util;
021    
022    import java.io.Writer;
023    import java.io.IOException;
024    
025    public class FastStringWriter extends Writer {
026    
027      private StringBuilder stringBuilder;
028    
029      public FastStringWriter() {
030        this(1024);
031      }
032    
033      public FastStringWriter(int initialSize) {
034        stringBuilder = new StringBuilder(initialSize);
035      }
036    
037      public void write(int c) {
038        stringBuilder.append((char) c);
039      }
040    
041      public void write(char[] cbuf, int off, int len) {
042        stringBuilder.append(cbuf, off, len);
043      }
044    
045      public void write(String str) {
046        stringBuilder.append(str);
047      }
048    
049      public void write(String str, int off, int len) {
050        stringBuilder.append(str.substring(off, off + len));
051      }
052    
053      public String toString() {
054        return stringBuilder.toString();
055      }
056    
057      public void flush() {
058        // do nothing
059      }
060    
061      public void close() throws IOException {
062        // do nothing
063      }
064    
065      public StringBuilder getBuilder() {
066        return stringBuilder;
067      }
068    }