/* ====================================================================
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.hxf.dev;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import org.openxml4j.opc.Package;
import org.openxml4j.opc.PackageAccess;
import org.openxml4j.opc.PackagePart;
import org.openxml4j.opc.PackageRelationship;
import org.openxml4j.opc.PackageRelationshipCollection;
/**
* Prints out the contents of a HXF (ooxml) container.
* Useful for seeing what parts are defined, and how
* they're all related to each other.
*/
public class HXFLister {
private Package container;
private PrintStream disp;
public HXFLister(Package container) {
this(container, System.out);
}
public HXFLister(Package container, PrintStream disp) {
this.container = container;
this.disp = disp;
}
/**
* Figures out how big a given PackagePart is.
*/
public static long getSize(PackagePart part) throws IOException {
InputStream in = part.getInputStream();
byte[] b = new byte[8192];
long size = 0;
int read = 0;
while(read > -1) {
read = in.read(b);
if(read > 0) {
size += read;
}
}
return size;
}
/**
* Displays information on all the different
* parts of the OOXML file container.
*/
public void displayParts() throws Exception {
ArrayList<PackagePart> parts = container.getParts();
for (PackagePart part : parts) {
disp.println(part.getPartName());
disp.println("\t" + part.getContentType());
if(! part.getPartName().toString().equals("/docProps/core.xml")) {
disp.println("\t" + getSize(part) + " bytes");
}
if(! part.isRelationshipPart()) {
disp.println("\t" + part.getRelationships().size() + " relations");
for(PackageRelationship rel : part.getRelationships()) {
displayRelation(rel, "\t ");
}
}
}
}
/**
* Displays information on all the different
* relationships between different parts
* of the OOXML file container.
*/
public void displayRelations() throws Exception {
PackageRelationshipCollection rels =
container.getRelationships();
for (PackageRelationship rel : rels) {
displayRelation(rel, "");
}
}
private void displayRelation(PackageRelationship rel, String indent) {
disp.println(indent+"Relationship:");
disp.println(indent+"\tFrom: "+ rel.getSourceURI());
disp.println(indent+"\tTo: " + rel.getTargetURI());
disp.println(indent+"\tID: " + rel.getId());
disp.println(indent+"\tMode: " + rel.getTargetMode());
disp.println(indent+"\tType: " + rel.getRelationshipType());
}
public static void main(String[] args) throws Exception {
if(args.length == 0) {
System.err.println("Use:");
System.err.println("\tjava HXFLister <filename>");
System.exit(1);
}
File f = new File(args[0]);
if(! f.exists()) {
System.err.println("Error, file not found!");
System.err.println("\t" + f.toString());
System.exit(2);
}
HXFLister lister = new HXFLister(
Package.open(f.toString(), PackageAccess.READ)
);
lister.disp.println(f.toString() + "\n");
lister.displayParts();
lister.disp.println();
lister.displayRelations();
}
}