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Add a developer helper class, which prints out the stream+pointer structure of a visio file

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@548525 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-06-18 23:00:36 +00:00
parent 44288ba5e5
commit 79823fed3e
2 changed files with 85 additions and 1 deletions
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6
src/scratchpad/src/org/apache/poi/hdgf/HDGFDiagram.java
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@ -95,8 +95,12 @@ public class HDGFDiagram {
* pointed to by the TrailerStream.
*/
public Stream[] getTopLevelStreams() { return trailer.getPointedToStreams(); }
public long getDocumentSize() { return docSize; }
/**
* Prints out some simple debug on the base contents of the file.
* @see org.apache.poi.hdgf.dev.VSDDumper
*/
public void debug() throws IOException {
System.err.println("Trailer is at " + trailerPointer.getOffset());
System.err.println("Trailer has type " + trailerPointer.getType());

80
src/scratchpad/src/org/apache/poi/hdgf/dev/VSDDumper.java Normal file
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@ -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.hdgf.dev;
import java.io.FileInputStream;
import org.apache.poi.hdgf.HDGFDiagram;
import org.apache.poi.hdgf.pointers.Pointer;
import org.apache.poi.hdgf.streams.PointerContainingStream;
import org.apache.poi.hdgf.streams.Stream;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
/**
* Developer helper class to dump out the pointer+stream structure
* of a Visio file
*/
public class VSDDumper {
public static void main(String[] args) throws Exception {
if(args.length == 0) {
System.err.println("Use:");
System.err.println(" VSDDumper <filename>");
System.exit(1);
}
HDGFDiagram hdgf = new HDGFDiagram(
new POIFSFileSystem(new FileInputStream(args[0]))
);
System.out.println("Opened " + args[0]);
System.out.println("The document claims a size of " +
hdgf.getDocumentSize() + " (" +
Long.toHexString(hdgf.getDocumentSize()) + ")");
System.out.println();
dumpStream(hdgf.getTrailerStream(), 0);
}
public static void dumpStream(Stream stream, int indent) {
String ind = "";
for(int i=0; i<indent; i++) {
ind += " ";
}
Pointer ptr = stream.getPointer();
System.out.println(ind + "Stream at\t" + ptr.getOffset() +
" - " + Integer.toHexString(ptr.getOffset()));
System.out.println(ind + " Type is\t" + ptr.getType() +
" - " + Integer.toHexString(ptr.getType()));
System.out.println(ind + " Format is\t" + ptr.getFormat() +
" - " + Integer.toHexString(ptr.getFormat()));
System.out.println(ind + " Length is\t" + ptr.getLength() +
" - " + Integer.toHexString(ptr.getLength()));
System.out.println(ind + " Compressed is\t" + ptr.destinationCompressed());
System.out.println(ind + " Stream is\t" + stream.getClass().getCanonicalName());
if(stream instanceof PointerContainingStream) {
PointerContainingStream pcs = (PointerContainingStream)stream;
System.out.println(ind + " Has " +
pcs.getPointedToStreams().length + " children:");
for(int i=0; i<pcs.getPointedToStreams().length; i++) {
dumpStream(pcs.getPointedToStreams()[i], (indent+1));
}
}
}
}