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 }