added a set accessor for embedded ole data

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@656699 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hslf/record/ExOleObjStg.java

@@ -90,8 +90,18 @@ public class ExOleObjStg extends RecordAtom implements PersistRecord {
         return new InflaterInputStream(compressedStream);
     }
 
+    /**
+     * Sets the embedded data.
+     *
+     * @param data the embedded data.
+     */
      public void setData(byte[] data) throws IOException {
-        ByteArrayOutputStream out = new ByteArrayOutputStream(data.length);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        //first four bytes is the length of the raw data
+        byte[] b = new byte[4];
+        LittleEndian.putInt(b, data.length);
+        out.write(b);
+
         DeflaterOutputStream def = new DeflaterOutputStream(out);
         def.write(data, 0, data.length);
         def.finish();

src/scratchpad/src/org/apache/poi/hslf/usermodel/ObjectData.java

@@ -17,6 +17,7 @@
 package org.apache.poi.hslf.usermodel;
 
 import java.io.InputStream;
+import java.io.IOException;
 
 import org.apache.poi.hslf.record.ExOleObjStg;
 
@@ -49,6 +50,15 @@ public class ObjectData {
         return storage.getData();
     }
 
+    /**
+     * Sets the embedded data.
+     *
+     * @param data the embedded data.
+     */
+     public void setData(byte[] data) throws IOException {
+        storage.setData(data);    
+    }
+
     /**
      * Return the record that contains the object data.
      *