001    /*
002     $Id: FileReaderSource.java,v 1.1 2004/04/19 07:29:44 cpoirier Exp $
003    
004     Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005    
006     Redistribution and use of this software and associated documentation
007     ("Software"), with or without modification, are permitted provided
008     that the following conditions are met:
009    
010     1. Redistributions of source code must retain copyright
011        statements and notices.  Redistributions must also contain a
012        copy of this document.
013    
014     2. Redistributions in binary form must reproduce the
015        above copyright notice, this list of conditions and the
016        following disclaimer in the documentation and/or other
017        materials provided with the distribution.
018    
019     3. The name "groovy" must not be used to endorse or promote
020        products derived from this Software without prior written
021        permission of The Codehaus.  For written permission,
022        please contact info@codehaus.org.
023    
024     4. Products derived from this Software may not be called "groovy"
025        nor may "groovy" appear in their names without prior written
026        permission of The Codehaus. "groovy" is a registered
027        trademark of The Codehaus.
028    
029     5. Due credit should be given to The Codehaus -
030        http://groovy.codehaus.org/
031    
032     THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033     ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034     NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
036     THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043     OF THE POSSIBILITY OF SUCH DAMAGE.
044    
045     */
046    
047    package org.codehaus.groovy.control.io;
048    
049    import java.io.File;
050    import java.io.FileInputStream;
051    import java.io.IOException;
052    import java.io.InputStreamReader;
053    import java.io.Reader;
054    
055    import org.codehaus.groovy.control.CompilerConfiguration;
056    
057    
058    /**
059     *  A ReaderSource for source files.
060     *
061     *  @author <a href="mailto:cpoirier@dreaming.org">Chris Poirier</a>
062     *
063     *  @version $Id: FileReaderSource.java,v 1.1 2004/04/19 07:29:44 cpoirier Exp $
064     */
065    
066    public class FileReaderSource extends AbstractReaderSource
067    {
068      //---------------------------------------------------------------------------
069      // CONSTRUCTION AND SUCH
070          
071        private File file;  // The File from which we produce Readers.
072        
073        
074       /**
075        *  Creates the ReaderSource from a File descriptor.
076        */
077        
078        public FileReaderSource( File file, CompilerConfiguration configuration )
079        {
080            super( configuration );
081            this.file = file;
082        }
083        
084        
085        
086       /**
087        *  Creates the ReaderSource from a file path.
088        */
089        
090        public FileReaderSource( String path, CompilerConfiguration configuration )
091        {
092            this( new File(path), configuration );
093        }
094       
095        
096        
097       /**
098        *  Returns a new Reader on the underlying source object.  
099        */
100        
101        public Reader getReader() throws IOException
102        {
103            return new InputStreamReader( new FileInputStream(file), configuration.getSourceEncoding() );
104        }
105        
106        
107        
108     
109    }