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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.internal.util;
21  
22  import java.io.IOException;
23  import java.io.Writer;
24  
25  public class FastStringWriter extends Writer {
26  
27    private StringBuilder stringBuilder;
28  
29    public FastStringWriter() {
30      this(1024);
31    }
32  
33    public FastStringWriter(final int initialSize) {
34      stringBuilder = new StringBuilder(initialSize);
35    }
36  
37    public void write(final int c) {
38      stringBuilder.append((char) c);
39    }
40  
41    public void write(final char[] cbuf, final int off, final int len) {
42      stringBuilder.append(cbuf, off, len);
43    }
44  
45    public void write(final String str) {
46      stringBuilder.append(str);
47    }
48  
49    public void write(final String str, final int off, final int len) {
50      stringBuilder.append(str.substring(off, off + len));
51    }
52  
53    public String toString() {
54      return stringBuilder.toString();
55    }
56  
57    public void flush() {
58      // do nothing
59    }
60  
61    public void close() throws IOException {
62      // do nothing
63    }
64  
65    public StringBuilder getBuilder() {
66      return stringBuilder;
67    }
68  }