136 lines
4.7 KiB
Java
136 lines
4.7 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hpsf.examples;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.poi.hpsf.NoPropertySetStreamException;
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import org.apache.poi.hpsf.Property;
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import org.apache.poi.hpsf.PropertySet;
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import org.apache.poi.hpsf.PropertySetFactory;
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import org.apache.poi.hpsf.Section;
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import org.apache.poi.poifs.eventfilesystem.POIFSReader;
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import org.apache.poi.poifs.eventfilesystem.POIFSReaderEvent;
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import org.apache.poi.poifs.eventfilesystem.POIFSReaderListener;
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import org.apache.poi.util.HexDump;
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/**
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* <p>Sample application showing how to read a document's custom property set.
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* Call it with the document's file name as command-line parameter.</p>
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*
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* <p>Explanations can be found in the HPSF HOW-TO.</p>
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*/
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public class ReadCustomPropertySets
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{
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/**
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* <p>Runs the example program.</p>
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*
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* @param args Command-line arguments (unused).
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* @throws IOException if any I/O exception occurs.
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*/
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public static void main(final String[] args)
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throws IOException
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{
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final String filename = args[0];
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POIFSReader r = new POIFSReader();
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/* Register a listener for *all* documents. */
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r.registerListener(new MyPOIFSReaderListener());
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r.read(new FileInputStream(filename));
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}
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static class MyPOIFSReaderListener implements POIFSReaderListener
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{
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@Override
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public void processPOIFSReaderEvent(final POIFSReaderEvent event)
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{
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PropertySet ps = null;
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try
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{
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ps = PropertySetFactory.create(event.getStream());
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}
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catch (NoPropertySetStreamException ex)
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{
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out("No property set stream: \"" + event.getPath() +
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event.getName() + "\"");
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return;
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}
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catch (Exception ex)
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{
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throw new RuntimeException
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("Property set stream \"" +
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event.getPath() + event.getName() + "\": " + ex);
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}
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/* Print the name of the property set stream: */
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out("Property set stream \"" + event.getPath() +
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event.getName() + "\":");
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/* Print the number of sections: */
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final long sectionCount = ps.getSectionCount();
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out(" No. of sections: " + sectionCount);
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/* Print the list of sections: */
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List<Section> sections = ps.getSections();
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int nr = 0;
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for (Iterator<Section> i = sections.iterator(); i.hasNext();)
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{
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/* Print a single section: */
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Section sec = i.next();
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out(" Section " + nr++ + ":");
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String s = hex(sec.getFormatID().getBytes());
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s = s.substring(0, s.length() - 1);
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out(" Format ID: " + s);
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/* Print the number of properties in this section. */
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int propertyCount = sec.getPropertyCount();
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out(" No. of properties: " + propertyCount);
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/* Print the properties: */
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Property[] properties = sec.getProperties();
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for (int i2 = 0; i2 < properties.length; i2++)
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{
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/* Print a single property: */
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Property p = properties[i2];
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long id = p.getID();
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long type = p.getType();
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Object value = p.getValue();
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out(" Property ID: " + id + ", type: " + type +
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", value: " + value);
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}
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}
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}
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}
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static void out(final String msg)
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{
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System.out.println(msg);
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}
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static String hex(final byte[] bytes)
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{
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return HexDump.dump(bytes, 0L, 0);
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}
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}
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