| /* ==================================================================== |
| 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."); |
| } |
| } |