80 lines
2.9 KiB
Java
80 lines
2.9 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 org.apache.poi.hpsf.PropertySetFactory;
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import org.apache.poi.hpsf.SummaryInformation;
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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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/**
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* <p>Sample application showing how to read a OLE 2 document's
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* title. Call it with the document's file name as command line
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* 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 ReadTitle
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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. The first command-line argument must
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* be the name of a POI filesystem to read.
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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) 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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r.registerListener(new MyPOIFSReaderListener(),
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"\005SummaryInformation");
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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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public void processPOIFSReaderEvent(final POIFSReaderEvent event)
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{
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SummaryInformation si = null;
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try
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{
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si = (SummaryInformation)
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PropertySetFactory.create(event.getStream());
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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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final String title = si.getTitle();
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if (title != null)
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System.out.println("Title: \"" + title + "\"");
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else
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System.out.println("Document has no title.");
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}
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}
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}
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