Difference between revisions of "OOConnect"

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To avoid you to search in the previous chapters we give again our starting code where we insert the new listings given in this chapter.  
 
To avoid you to search in the previous chapters we give again our starting code where we insert the new listings given in this chapter.  
We give first the ooConnect() part :
+
*We give first the ooConnect() part :
 
<source lang="cpp">
 
<source lang="cpp">
 
// Listing 5
 
// Listing 5
Line 69: Line 69:
 
This code uses <idl>com.sun.star.uno.XComponentContext</idl>, <idl>com.sun.star.lang.XMultiComponentFactory</idl>, <idl>com.sun.star.uno.XInterface</idl>, <idl>com.sun.star.bridge.XUnoUrlResolver</idl> and <idl>com.sun.star.lang.XMultiServiceFactory</idl> interfaces.
 
This code uses <idl>com.sun.star.uno.XComponentContext</idl>, <idl>com.sun.star.lang.XMultiComponentFactory</idl>, <idl>com.sun.star.uno.XInterface</idl>, <idl>com.sun.star.bridge.XUnoUrlResolver</idl> and <idl>com.sun.star.lang.XMultiServiceFactory</idl> interfaces.
 
   
 
   
We second give  the main() part :
+
*We second give  the main() part :
 
<source lang="cpp">
 
<source lang="cpp">
 
//Listing 1 Again our starting main Code
 
//Listing 1 Again our starting main Code

Revision as of 14:29, 13 April 2009

To avoid you to search in the previous chapters we give again our starting code where we insert the new listings given in this chapter.

  • We give first the ooConnect() part :
// Listing 5
// C++
#include <stdio.h>
#include <cppuhelper/bootstrap.hxx>
#include <com/sun/star/bridge/XUnoUrlResolver.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
// added
#include <com/sun/star/frame/XComponentLoader.hpp>
 
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::bridge;
// added
using namespace com::sun::star::frame;
 
using namespace rtl;
using namespace cppu;
 
// a procedure for what the so called boostrap
Reference< XMultiServiceFactory > ooConnect(){
   // create the initial component context
   Reference< XComponentContext > rComponentContext = 
				defaultBootstrap_InitialComponentContext();
 
   // retrieve the servicemanager from the context
   Reference< XMultiComponentFactory > rServiceManager = 
				rComponentContext->getServiceManager();
 
   // instantiate a sample service with the servicemanager.
   Reference< XInterface > rInstance =  rServiceManager->createInstanceWithContext(
         OUString::createFromAscii("com.sun.star.bridge.UnoUrlResolver" ),rComponentContext );
 
   // Query for the XUnoUrlResolver interface
   Reference< XUnoUrlResolver > rResolver( rInstance, UNO_QUERY );
   if( ! rResolver.is() ){
      printf( "Error: Couldn't instantiate com.sun.star.bridge.UnoUrlResolver service\n" );
      return NULL;
   }
   try {
      // resolve the uno-url
      rInstance = rResolver->resolve( OUString::createFromAscii(
         "uno:socket,host=localhost,port=8100;urp;StarOffice.ServiceManager" ) );
 
      if( ! rInstance.is() ){
         printf( "StarOffice.ServiceManager is not exported from remote counterpart\n" );
         return NULL;
      }
 
      // query for the simpler XMultiServiceFactory interface, sufficient for scripting
      Reference< XMultiServiceFactory > rOfficeServiceManager (rInstance, UNO_QUERY);
 
      if( ! rOfficeServiceManager.is() ){
            printf( "XMultiServiceFactory interface is not exported for StarOffice.ServiceManager\n" );
            return NULL;
        }       
        return rOfficeServiceManager;
   }
   catch( Exception &e ){
      OString o = OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US );
      printf( "Error: %s\n", o.pData->buffer );
      return NULL;
   }
   return NULL;
}

This code uses com.sun.star.uno.XComponentContext, com.sun.star.lang.XMultiComponentFactory, com.sun.star.uno.XInterface, com.sun.star.bridge.XUnoUrlResolver and com.sun.star.lang.XMultiServiceFactory interfaces.

  • We second give the main() part :
//Listing 1 Again our starting main Code
int main( ) {
//retrieve an instance of the remote service manager
    Reference< XMultiServiceFactory > rOfficeServiceManager;
    rOfficeServiceManager = ooConnect();
    if( rOfficeServiceManager.is() ){
        printf( "Connected sucessfully to the office\n" );
    }
 
//get the desktop service using createInstance returns an XInterface type
    Reference< XInterface  > Desktop = rOfficeServiceManager->createInstance(
    OUString::createFromAscii( "com.sun.star.frame.Desktop" ));
 
//query for the XComponentLoader interface
    Reference< XComponentLoader > rComponentLoader (Desktop, UNO_QUERY);
    if( rComponentLoader.is() ){
        	printf( "XComponentloader successfully instanciated\n" );
    	}
 
//get an instance of the spreadsheet
    Reference< XComponent > xcomponent = rComponentLoader->loadComponentFromURL(
	OUString::createFromAscii("private:factory/scalc"),
        OUString::createFromAscii("_blank"),
        0,
        Sequence < ::com::sun::star::beans::PropertyValue >());
// add code here
    return 0;
}

This code is called a bootstrap and uses com.sun.star.lang.XMultiServiceFactory, com.sun.star.uno.XInterface and com.sun.star.frame.XComponentLoader interfaces and com.sun.star.frame.Desktop service.

Remember each time you query for an interface you have to add code lines (if they don't exist) in the source code and a line in the makefile. I will generally add comments to prevent omissions. You can find more explanations here (if you are not a beginner).

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