001 /* 002 * $Id: WritableFile.java 3825 2006-06-09 11:22:20Z dierk $ 003 * 004 * Copyright 2003 (C) John Wilson. All Rights Reserved. 005 * 006 * Redistribution and use of this software and associated documentation 007 * ("Software"), with or without modification, are permitted provided that the 008 * following conditions are met: 009 * 1. Redistributions of source code must retain copyright statements and 010 * notices. Redistributions must also contain a copy of this document. 011 * 2. Redistributions in binary form must reproduce the above copyright 012 * notice, this list of conditions and the following disclaimer in the 013 * documentation and/or other materials provided with the distribution. 014 * 3. The name "groovy" must not be used to endorse or promote products 015 * derived from this Software without prior written permission of The Codehaus. 016 * For written permission, please contact info@codehaus.org. 017 * 4. Products derived from this Software may not be called "groovy" nor may 018 * "groovy" appear in their names without prior written permission of The 019 * Codehaus. "groovy" is a registered trademark of The Codehaus. 020 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/ 021 * 022 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY 023 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 024 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 025 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR 026 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 031 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 032 * DAMAGE. 033 * 034 */ 035 036 package org.codehaus.groovy.runtime; 037 038 import groovy.lang.Writable; 039 040 import java.io.File; 041 import java.io.IOException; 042 import java.io.Reader; 043 import java.io.Writer; 044 045 /** 046 * A Writable File. 047 * 048 * @author John Wilson 049 * 050 */ 051 public class WritableFile extends File implements Writable { 052 private final String encoding; 053 054 public WritableFile(final File delegate) { 055 this(delegate, null); 056 } 057 058 public WritableFile(final File delegate, final String encoding) { 059 super(delegate.toURI()); 060 this.encoding = encoding; 061 } 062 063 public Writer writeTo(final Writer out) throws IOException { 064 final Reader reader = 065 (this.encoding == null) 066 ? DefaultGroovyMethods.newReader(this) 067 : DefaultGroovyMethods.newReader(this, this.encoding); 068 069 try { 070 int c = reader.read(); 071 072 while (c != -1) { 073 out.write(c); 074 c = reader.read(); 075 } 076 } 077 finally { 078 reader.close(); 079 } 080 return out; 081 } 082 }