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Convert to use POIDocument

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@576507 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-09-17 16:34:48 +00:00
parent ed2d78b08b
commit c733acf8b4
1 changed files with 5 additions and 2 deletions
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7
src/scratchpad/src/org/apache/poi/hdgf/HDGFDiagram.java
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@ -19,6 +19,7 @@ package org.apache.poi.hdgf;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.poi.POIDocument;
import org.apache.poi.hdgf.chunks.ChunkFactory;
import org.apache.poi.hdgf.pointers.Pointer;
import org.apache.poi.hdgf.pointers.PointerFactory;
@ -37,10 +38,9 @@ import org.apache.poi.util.LittleEndian;
* http://www.gnome.ru/projects/docs/slide1.png
* http://www.gnome.ru/projects/docs/slide2.png
*/
public class HDGFDiagram {
public class HDGFDiagram extends POIDocument {
private static final String VISIO_HEADER = "Visio (TM) Drawing\r\n";
private POIFSFileSystem filesystem;
private byte[] _docstream;
private short version;
@ -62,6 +62,9 @@ public class HDGFDiagram {
_docstream = new byte[docProps.getSize()];
filesystem.createDocumentInputStream("VisioDocument").read(_docstream);
// Read in the common POI streams
readProperties();
// Check it's really visio
String typeString = new String(_docstream, 0, 20);
if(! typeString.equals(VISIO_HEADER)) {