1 /*
2 * $Id: WritableFile.java,v 1.6 2006/06/09 11:22:20 dierk Exp $
3 *
4 * Copyright 2003 (C) John Wilson. All Rights Reserved.
5 *
6 * Redistribution and use of this software and associated documentation
7 * ("Software"), with or without modification, are permitted provided that the
8 * following conditions are met:
9 * 1. Redistributions of source code must retain copyright statements and
10 * notices. Redistributions must also contain a copy of this document.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name "groovy" must not be used to endorse or promote products
15 * derived from this Software without prior written permission of The Codehaus.
16 * For written permission, please contact info@codehaus.org.
17 * 4. Products derived from this Software may not be called "groovy" nor may
18 * "groovy" appear in their names without prior written permission of The
19 * Codehaus. "groovy" is a registered trademark of The Codehaus.
20 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
23 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
32 * DAMAGE.
33 *
34 */
35
36 package org.codehaus.groovy.runtime;
37
38 import groovy.lang.Writable;
39
40 import java.io.File;
41 import java.io.IOException;
42 import java.io.Reader;
43 import java.io.Writer;
44
45 /***
46 * A Writable File.
47 *
48 * @author John Wilson
49 *
50 */
51 public class WritableFile extends File implements Writable {
52 private final String encoding;
53
54 public WritableFile(final File delegate) {
55 this(delegate, null);
56 }
57
58 public WritableFile(final File delegate, final String encoding) {
59 super(delegate.toURI());
60 this.encoding = encoding;
61 }
62
63 public Writer writeTo(final Writer out) throws IOException {
64 final Reader reader =
65 (this.encoding == null)
66 ? DefaultGroovyMethods.newReader(this)
67 : DefaultGroovyMethods.newReader(this, this.encoding);
68
69 try {
70 int c = reader.read();
71
72 while (c != -1) {
73 out.write(c);
74 c = reader.read();
75 }
76 }
77 finally {
78 reader.close();
79 }
80 return out;
81 }
82 }