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