I used OpenOffice API to convert all Word and Excel version.
For me it's the solution for complex Word and Excel document.
http://api.openoffice.org/
Good luck !
// UNO API
import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XStorable;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.connection.NoConnectException;
import com.sun.star.io.IOException;
/** This class implements a http servlet in order to convert an incoming
document
* with help of a running OpenOffice.org and to push the converted file back
* to the client.
*/
public class DocConverter {
private String stringHost;
private String stringPort;
private Xcontext xcontext;
private Xbase xbase;
public DocConverter(Xbase xbase,Xcontext xcontext,ServletContext sc) {
this.xbase=xbase;
this.xcontext=xcontext;
stringHost=ApplicationUtil.getParameter(sc,openoffice.oohost);
stringPort=ApplicationUtil.getParameter(sc,openoffice.ooport);
}
public synchronized String convertToTxt(String namedoc, String pathdoc,
String stringConvertType, String stringExtension) {
String stringConvertedFile = this.convertDocument(namedoc, pathdoc,
stringConvertType, stringExtension);
return stringConvertedFile;
}
/** This method converts a document to a given type by using a running
* OpenOffice.org and saves the converted document to the specified
* working directory.
* @param stringDocumentName The full path name of the file on the server to
be converted.
* @param stringConvertType Type to convert to.
* @param stringExtension This string will be appended to the file name of
the converted file.
* @return The full path name of the converted file will be returned.
* @see stringWorkingDirectory
*/
private String convertDocument(String namedoc, String pathdoc, String
stringConvertType, String stringExtension ) {
String tagerr=;
String stringUrl=;
String stringConvertedFile = ;
// Converting the document to the favoured type
try {
tagerr=0;
// Composing the URL - suppression de l'extension
stringUrl = pathdoc+/+namedoc;
stringUrl=stringUrl.replace( '\\', '/' );
/* Bootstraps a component context with the jurt base components
registered. Component context to be granted to a component for
running.
Arbitrary values can be retrieved from the context. */
XComponentContext xcomponentcontext =
com.sun.star.comp.helper.Bootstrap.createInitialComponentContext(
null );
/* Gets the service manager instance to be used (or null). This method
has
been added for convenience, because the service manager is a often
used
object. */
XMultiComponentFactory xmulticomponentfactory =
xcomponentcontext.getServiceManager();
tagerr=2;
/* Creates an instance of the component UnoUrlResolver which
supports the services specified by the factory. */
Object objectUrlResolver =
xmulticomponentfactory.createInstanceWithContext(
com.sun.star.bridge.UnoUrlResolver, xcomponentcontext );
// Create a new url resolver
XUnoUrlResolver xurlresolver = ( XUnoUrlResolver )
UnoRuntime.queryInterface( XUnoUrlResolver.class,
objectUrlResolver );
// Resolves an object that is specified as follow:
// uno:connection description;protocol description;initial object
name
Object objectInitial = xurlresolver.resolve(
uno:socket,host= + stringHost + ,port= + stringPort +
;urp;StarOffice.ServiceManager );
// Create a service manager from the initial object
xmulticomponentfactory = ( XMultiComponentFactory )
UnoRuntime.queryInterface( XMultiComponentFactory.class,
objectInitial );
// Query for the XPropertySet interface.
XPropertySet xpropertysetMultiComponentFactory = ( XPropertySet )
UnoRuntime.queryInterface( XPropertySet.class,
xmulticomponentfactory );
// Get the default context from the office server.
Object objectDefaultContext =
xpropertysetMultiComponentFactory.getPropertyValue(
DefaultContext );
// Query for the interface XComponentContext.
xcomponentcontext = ( XComponentContext ) UnoRuntime.queryInterface(
XComponentContext.class, objectDefaultContext );
/* A desktop environment contains tasks with one or more
frames in which components can be loaded. Desktop is the
environment for components which can instanciate within
frames. */
XComponentLoader xcomponentloader = ( XComponentLoader )
UnoRuntime.queryInterface( XComponentLoader.class,
xmulticomponentfactory.createInstanceWithContext(
com.sun.star.frame.Desktop, xcomponentcontext ) );
// Preparing properties for
