001 /*
002 * JBoss, Home of Professional Open Source.
003 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
004 * as indicated by the @author tags. See the copyright.txt file in the
005 * distribution for a full listing of individual contributors.
006 *
007 * This is free software; you can redistribute it and/or modify it
008 * under the terms of the GNU Lesser General Public License as
009 * published by the Free Software Foundation; either version 2.1 of
010 * the License, or (at your option) any later version.
011 *
012 * This software is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this software; if not, write to the Free
019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021 */
022
023 package org.jboss.dna.sequencer.zip;
024
025 import java.io.ByteArrayOutputStream;
026 import java.io.InputStream;
027 import java.util.zip.ZipEntry;
028 import java.util.zip.ZipInputStream;
029 import org.jboss.dna.graph.sequencers.SequencerContext;
030 import org.jboss.dna.graph.sequencers.SequencerOutput;
031 import org.jboss.dna.graph.sequencers.StreamSequencer;
032
033 /**
034 * @author Michael Trezzi
035 * @author John Verhaeg
036 */
037 public class ZipSequencer implements StreamSequencer {
038
039 /**
040 * {@inheritDoc}
041 *
042 * @see org.jboss.dna.graph.sequencers.StreamSequencer#sequence(java.io.InputStream,
043 * org.jboss.dna.graph.sequencers.SequencerOutput, org.jboss.dna.graph.sequencers.SequencerContext)
044 */
045 public void sequence( InputStream stream,
046 SequencerOutput output,
047 SequencerContext context ) {
048 try {
049 ZipInputStream in = new ZipInputStream(stream);
050 ZipEntry entry = in.getNextEntry();
051 byte[] buf = new byte[1024];
052
053 // Create top-level node
054 output.setProperty("zip:content", "jcr:primaryType", "zip:content");
055 while (entry != null) {
056
057 if (entry.isDirectory()) { // If entry is directory, create nt:folder node
058 output.setProperty("zip:content/" + entry.getName(), "jcr:primaryType", "nt:folder");
059 } else { // If entry is File, create nt:file
060 output.setProperty("zip:content/" + entry.getName() + "/jcr:content", "jcr:primaryType", "nt:resource");
061 int n;
062 ByteArrayOutputStream baout = new ByteArrayOutputStream();
063 while ((n = in.read(buf, 0, 1024)) > -1) {
064 baout.write(buf, 0, n);
065 }
066 output.setProperty("zip:content/" + entry.getName() + "/jcr:content", "jcr:data", baout.toByteArray());
067 // all other nt:file properties should be generated by other sequencers (mimetype, encoding,...)
068 }
069 in.closeEntry();
070 entry = in.getNextEntry();
071
072 }
073 } catch (Exception e) {
074 e.printStackTrace();
075 }
076
077 }
078 }