001 /**
002 * ===========================================================
003 * LibRepository : a free Java content repository access layer
004 * ===========================================================
005 *
006 * Project Info: http://jfreereport.pentaho.org/librepository/
007 *
008 * (C) Copyright 2006, by Pentaho Corporation and Contributors.
009 *
010 * This library is free software; you can redistribute it and/or modify it under the terms
011 * of the GNU Lesser General Public License as published by the Free Software Foundation;
012 * either version 2.1 of the License, or (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016 * See the GNU Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public License along with this
019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020 * Boston, MA 02111-1307, USA.
021 *
022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023 * in the United States and other countries.]
024 *
025 * ------------
026 * ZipRepository.java
027 * ------------
028 * (C) Copyright 2006, by Pentaho Corporation.
029 */
030
031 package org.jfree.repository.zipwriter;
032
033 import java.io.OutputStream;
034 import java.io.IOException;
035 import java.io.InputStream;
036 import java.util.zip.ZipOutputStream;
037 import java.util.zip.ZipEntry;
038 import java.util.zip.Deflater;
039
040 import org.jfree.repository.Repository;
041 import org.jfree.repository.ContentLocation;
042 import org.jfree.repository.ContentIOException;
043 import org.jfree.repository.MimeRegistry;
044 import org.jfree.repository.DefaultMimeRegistry;
045 import org.jfree.io.IOUtils;
046
047 /**
048 * Creation-Date: 01.12.2006, 21:12:39
049 *
050 * @author Thomas Morgner
051 */
052 public class ZipRepository implements Repository
053 {
054 private ZipOutputStream zipOutputStream;
055 private ZipEntryOutputStream currentStream;
056 private MimeRegistry mimeRegistry;
057 private ZipContentLocation root;
058
059 public ZipRepository(final OutputStream out,
060 final int level,
061 final MimeRegistry mimeRegistry)
062 {
063 this.mimeRegistry = mimeRegistry;
064 this.zipOutputStream = new ZipOutputStream(out);
065 this.zipOutputStream.setLevel(level);
066 this.root = new ZipContentLocation(this, null, "");
067 }
068
069 public ZipRepository(final OutputStream out,
070 final int level)
071 {
072 this(out,level, new DefaultMimeRegistry());
073 }
074
075 public ZipRepository(final OutputStream out)
076 {
077 this(out, Deflater.DEFAULT_COMPRESSION, new DefaultMimeRegistry());
078 }
079
080 public ContentLocation getRoot() throws ContentIOException
081 {
082 return root;
083 }
084
085 public MimeRegistry getMimeRegistry()
086 {
087 return mimeRegistry;
088 }
089
090 public void close() throws IOException
091 {
092 zipOutputStream.finish();
093 zipOutputStream.flush();
094 }
095
096 public void writeDirectory (final ZipEntry entry) throws IOException
097 {
098 zipOutputStream.putNextEntry(entry);
099 }
100
101 public void writeContent (final ZipEntry entry, final InputStream in) throws IOException
102 {
103 zipOutputStream.putNextEntry(entry);
104 IOUtils.getInstance().copyStreams(in, zipOutputStream);
105 zipOutputStream.closeEntry();
106 }
107 }