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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
-
- package org.apache.poi.examples.hpsf;
-
- import java.io.File;
- import java.io.IOException;
-
- import org.apache.poi.hpsf.PropertySetFactory;
- import org.apache.poi.hpsf.SummaryInformation;
- import org.apache.poi.poifs.eventfilesystem.POIFSReader;
- import org.apache.poi.poifs.eventfilesystem.POIFSReaderEvent;
-
- /**
- * <p>Sample application showing how to read a OLE 2 document's
- * title. Call it with the document's file name as command line
- * parameter.</p>
- *
- * <p>Explanations can be found in the HPSF HOW-TO.</p>
- */
- @SuppressWarnings({"java:S106","java:S4823"})
- public final class ReadTitle {
- private ReadTitle() {}
-
- /**
- * <p>Runs the example program.</p>
- *
- * @param args Command-line arguments. The first command-line argument must
- * be the name of a POI filesystem to read.
- * @throws IOException if any I/O exception occurs.
- */
- public static void main(final String[] args) throws IOException {
- final String filename = args[0];
- POIFSReader r = new POIFSReader();
- r.registerListener(ReadTitle::processPOIFSReaderEvent, SummaryInformation.DEFAULT_STREAM_NAME);
- r.read(new File(filename));
- }
-
-
- private static void processPOIFSReaderEvent(final POIFSReaderEvent event) {
- SummaryInformation si;
- try {
- si = (SummaryInformation) PropertySetFactory.create(event.getStream());
- } catch (Exception ex) {
- throw new RuntimeException("Property set stream \"" + event.getPath() + event.getName() + "\": " + ex);
- }
- final String title = si.getTitle();
- System.out.println(title != null ? "Title: \"" + title + "\"" : "Document has no title.");
- }
- }
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