Example for finding hslf sounds from Yegor

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@659067 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -170,6 +170,7 @@ under the License.
   <path id="examples.classpath">
     <path refid="main.classpath"/>
     <pathelement location="${main.output.dir}"/>
+    <pathelement location="${scratchpad.output.dir}"/>
   </path>
 
 

src/examples/src/org/apache/poi/hslf/usermodel/examples/SoundFinder.java

@@ -0,0 +1,80 @@
+/* ====================================================================
+   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.hslf.usermodel.examples;
+import org.apache.poi.ddf.*;
+import org.apache.poi.hslf.model.*;
+import org.apache.poi.hslf.record.InteractiveInfo;
+import org.apache.poi.hslf.record.InteractiveInfoAtom;
+import org.apache.poi.hslf.record.Record;
+import org.apache.poi.hslf.usermodel.*;
+import java.io.FileInputStream;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * For each slide iterate over shapes and found associated sound data.
+ *
+ * @author Yegor Kozlov
+ */
+public class SoundFinder {
+    public static void main(String[] args) throws Exception {
+        SlideShow ppt = new SlideShow(new FileInputStream(args[0]));
+        SoundData[] sounds = ppt.getSoundData();
+
+        Slide[] slide = ppt.getSlides();
+        for (int i = 0; i < slide.length; i++) {
+            Shape[] shape = slide[i].getShapes();
+            for (int j = 0; j < shape.length; j++) {
+                int soundRef = getSoundReference(shape[j]);
+                if(soundRef != -1) {
+                    System.out.println("Slide["+i+"], shape["+j+"], soundRef: "+soundRef);
+                    System.out.println("  " + sounds[soundRef].getSoundName());
+                    System.out.println("  " + sounds[soundRef].getSoundType());
+                }
+            }
+        }
+    }
+
+    /**
+     * Check if a given shape is associated with a sound.
+     * @return 0-based reference to a sound in the sound collection
+     * or -1 if the shape is not associated with a sound
+     */
+    protected static int getSoundReference(Shape shape){
+        int soundRef = -1;
+        //dive into the shape container and search for InteractiveInfoAtom
+        EscherContainerRecord spContainer = shape.getSpContainer();
+        List spchild = spContainer.getChildRecords();
+        for (Iterator it = spchild.iterator(); it.hasNext();) {
+            EscherRecord obj = (EscherRecord) it.next();
+            if (obj.getRecordId() == EscherClientDataRecord.RECORD_ID) {
+                byte[] data = obj.serialize();
+                Record[] records = Record.findChildRecords(data, 8,
+data.length - 8);
+                for (int j = 0; j < records.length; j++) {
+                    if (records[j] instanceof InteractiveInfo) {
+                        InteractiveInfoAtom info = ((InteractiveInfo)records[j]).getInteractiveInfoAtom();
+                        if (info.getAction() == InteractiveInfoAtom.ACTION_MEDIA) {
+                            soundRef = info.getSoundRef();
+                        }
+                    }
+                }
+            }
+        }
+        return soundRef;
+    }
+}