Hi Giuseppe,
if you want to use the OpenOffice.org UNO API for accessing ODF Packages
have a look at the Package file format interfaces and services here:
http://api.openoffice.org/docs/common/ref/com/sun/star/packages/module-ix.html
If reading and manipulating the XML Streams contained in an ODF File
using java tough is all you want to do you might also have a look at
odf4j as an alternative lightweight approach.
http://wiki.services.openoffice.org/wiki/Odf4j
ODF4j provides a simple java API for ODF Documents that doesn´t require
an OpenOffice.org installation. ODF4j is a project which is not yet
finished but accessing XML Streams contained in ODF Packages is
something which already works well and there are also helper classes for
applying XSL-Transformations to those streams or methods to get them as
W3C DOM tree, there is stuff for handling of the Manifest file etc.
and some simple samples are also available.
Kind regards,
Bernd Eilers
Giuseppe Castagno wrote:
Hi all,
After I successfully opened a package (e.g. an ODT document) with Java
using UCB low level APIs, I tried to read the content of one of the
contained streams.
With no luck so far. Is there somewhere some example about how to do that?
After I successfully opened it with (sorry for the ugly indentation):
<Java code>
...
XMultiServiceFactory xMSF = ....
...
Object oUCB = xMSF.createInstanceWithArguments(
"com.sun.star.ucb.UniversalContentBroker", keys );
// Obtain required UCB interfaces
XContentIdentifierFactory xIdFactory =
(XContentIdentifierFactory)UnoRuntime.queryInterface(XContentIdentifierFactory.class,
oUCB);
XContentProvider xProvider =
(XContentProvider)UnoRuntime.queryInterface(XContentProvider.class, oUCB);
...
XContentIdentifier xIdPackStream =
xIdFactory.createContentIdentifier(aThePackageUrl+"/META-INF/manifest.xml");
XContent xPackStreamContent = xProvider.queryContent(xIdPackStream);
String contentF = xPackStreamContent.getContentType();
System.out.println("root folder type: " + contentF);
if(
contentF.contentEquals("application/vnd.sun.star.pkg-stream" )) {
System.out.println("Found a META-INF/metafile.xml
element (the root)\n");
//now open the stream content and try to read it
OpenCommandArgument2 aArg = new OpenCommandArgument2();
aArg.Mode = OpenMode.ALL;// FOLDER, DOCUMENTS -> simple
filter
aArg.Priority = 32768;// Ignored by most implementations
// Fill info for the properties wanted.
Property[] aProps = new Property[2];
Property prop1 = new Property();
prop1.Name = "Title";
prop1.Handle = -1;// n/a
aProps[0] = prop1;
Property prop2 = new Property();
prop2.Name = "IsFolder";
prop2.Handle = -1;// n/a
aProps[1] = prop2;
XDynamicResultSet xSet;
aArg.Properties = aProps;
Object oSet = executeCommand(xPackStreamContent,
"open", aArg);
//convert the object from Object to XDynamicResultSet
Type aType = AnyConverter.getType(oSet);
xSet = (XDynamicResultSet) AnyConverter.toObject(new
com.sun.star.uno.Type
(com.sun.star.ucb.XDynamicResultSet.class), oSet);
// now list the xSet elements
XResultSet xResultSet = xSet.getStaticResultSet();
</code>
where executeCommand() is basically the one found here [1],
It seems the wrong approach since xResultSet throws an exception.
Any help is greatly appreciated.
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