001/*
002 * Cobertura - http://cobertura.sourceforge.net/
003 *
004 * Copyright (C) 2009 John Lewis
005 *
006 * Note: This file is dual licensed under the GPL and the Apache
007 * Source License (so that it can be used from both the main
008 * Cobertura classes and the ant tasks).
009 *
010 * Cobertura is free software; you can redistribute it and/or modify
011 * it under the terms of the GNU General Public License as published
012 * by the Free Software Foundation; either version 2 of the License,
013 * or (at your option) any later version.
014 *
015 * Cobertura is distributed in the hope that it will be useful, but
016 * WITHOUT ANY WARRANTY; without even the implied warranty of
017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
018 * General Public License for more details.
019 *
020 * You should have received a copy of the GNU General Public License
021 * along with Cobertura; if not, write to the Free Software
022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
023 * USA
024 */
025package net.sourceforge.cobertura.util;
026
027import java.io.File;
028import java.io.InputStream;
029import java.util.zip.ZipFile;
030
031import org.apache.log4j.Logger;
032
033public class Source {
034        private InputStream is;
035        
036        //streamOrigin is either a File or a ZipFile
037        private Object streamOrigin;
038        
039        private static Logger LOGGER = Logger.getLogger(Source.class);
040
041        public Source(InputStream is, Object streamOrigin)
042        {
043                this.is = is;
044                this.streamOrigin = streamOrigin;
045        }
046        
047        public InputStream getInputStream()
048        {
049                return is;
050        }
051        
052        /**
053         * Close the source input stream and the archive if it came from one.
054         * 
055         * This will not throw anything.   Any throwable is caught and a warning is logged.
056         */
057        public void close()
058        {
059                try
060                {
061                        is.close();
062                }
063                catch (Throwable t)
064                {
065                        LOGGER.warn("Failure closing input stream for " + getOriginDesc(), t);
066                }
067                
068                if (streamOrigin instanceof ZipFile)
069                {
070                        try
071                        {
072                                ((ZipFile) streamOrigin).close();
073                        }
074                        catch (Throwable t)
075                        {
076                                LOGGER.warn("Failure closing " + getOriginDesc(), t);
077                        }
078                }
079        }
080        
081        public String getOriginDesc()
082        {
083                String ret = "";
084                
085                if (streamOrigin instanceof File)
086                {
087                        ret = "file " + ((File) streamOrigin).getAbsolutePath();
088                }
089                else
090                {
091                        ret = "archive " + ((ZipFile) streamOrigin).getName();
092                }
093                return ret;
094        }
095}