Source.java

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2009 John Lewis
 *
 * Note: This file is dual licensed under the GPL and the Apache
 * Source License (so that it can be used from both the main
 * Cobertura classes and the ant tasks).
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */
package net.sourceforge.cobertura.util;

import java.io.File;
import java.io.InputStream;
import java.util.zip.ZipFile;

import org.apache.log4j.Logger;

public class Source {
    private InputStream is;

    //streamOrigin is either a File or a ZipFile
    private Object streamOrigin;

    private static Logger LOGGER = Logger.getLogger(Source.class);

    public Source(InputStream is, Object streamOrigin) {
        this.is = is;
        this.streamOrigin = streamOrigin;
    }

    public InputStream getInputStream() {
        return is;
    }

    /**
     * Close the source input stream and the archive if it came from one.
     * <p/>
     * This will not throw anything.   Any throwable is caught and a warning is logged.
     */
    public void close() {
        try {
            is.close();
        } catch (Throwable t) {
            LOGGER.warn("Failure closing input stream for " + getOriginDesc(), t);
        }

        if (streamOrigin instanceof ZipFile) {
            try {
                ((ZipFile) streamOrigin).close();
            } catch (Throwable t) {
                LOGGER.warn("Failure closing " + getOriginDesc(), t);
            }
        }
    }

    public String getOriginDesc() {
        String ret = "";

        if (streamOrigin instanceof File) {
            ret = "file " + ((File) streamOrigin).getAbsolutePath();
        } else {
            ret = "archive " + ((ZipFile) streamOrigin).getName();
        }
        return ret;
    }
}