/************************************************************** * * 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. * *************************************************************/ import java.awt.*; import java.awt.event.*; import com.sun.star.uno.XComponentContext; import com.sun.star.lang.XMultiComponentFactory; import com.sun.star.frame.XComponentLoader; import com.sun.star.uno.UnoRuntime; import com.sun.star.uno.XComponentContext; import com.sun.star.io.IOException; import com.sun.star.connection.XConnector; import com.sun.star.connection.XConnection; import com.sun.star.beans.XPropertySet; import com.sun.star.lang.XEventListener; import com.sun.star.lang.XComponent; import com.sun.star.bridge.XBridgeFactory; import com.sun.star.bridge.XBridge; public class ConnectionAwareClient extends java.awt.Frame implements ActionListener , com.sun.star.lang.XEventListener { private Button _btnWriter,_btnCalc; private Label _txtLabel; private String _url; private XComponentContext _ctx; private com.sun.star.frame.XComponentLoader _officeComponentLoader; public ConnectionAwareClient( XComponentContext ctx , String url ) { _url = url; _ctx = ctx; Panel p1 = new Panel(); _btnWriter = new Button("New writer"); _btnCalc = new Button("New calc"); _txtLabel = new Label( "disconnected" ); _btnWriter.addActionListener(this); _btnCalc.addActionListener(this); p1.add( _btnWriter ); p1.add( _btnCalc ); p1.add( _txtLabel ); addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent event) { System.exit(0); } } ); add( p1 ); } public void disposing( com.sun.star.lang.EventObject event ) { // remote bridge has gone down, because the office crashed or was terminated. _officeComponentLoader = null; _txtLabel.setText( "disconnected" ); } public void actionPerformed( ActionEvent event ) { try { String sUrl; if( event.getSource() == _btnWriter ) { sUrl = "private:factory/swriter"; } else { sUrl = "private:factory/scalc"; } getComponentLoader().loadComponentFromURL( sUrl, "_blank", 0,new com.sun.star.beans.PropertyValue[0] ); _txtLabel.setText( "connected" ); } catch ( com.sun.star.connection.NoConnectException exc ) { _txtLabel.setText( exc.getMessage() ); } catch ( com.sun.star.uno.Exception exc ) { _txtLabel.setText( exc.getMessage() ); exc.printStackTrace(); throw new java.lang.RuntimeException( exc.getMessage() ); } } /** separtates the uno-url into 3 different parts. */ protected static String[] parseUnoUrl( String url ) { String [] aRet = new String [3]; if( ! url.startsWith( "uno:" ) ) { return null; } int semicolon = url.indexOf( ';' ); if( semicolon == -1 ) return null; aRet[0] = url.substring( 4 , semicolon ); int nextSemicolon = url.indexOf( ';' , semicolon+1); if( semicolon == -1 ) return null; aRet[1] = url.substring( semicolon+1, nextSemicolon ); aRet[2] = url.substring( nextSemicolon+1); return aRet; } protected com.sun.star.frame.XComponentLoader getComponentLoader() throws com.sun.star.uno.Exception { XComponentLoader officeComponentLoader = _officeComponentLoader; if( officeComponentLoader == null ) { // instantiate connector service Object x = _ctx.getServiceManager().createInstanceWithContext( "com.sun.star.connection.Connector", _ctx ); XConnector xConnector = (XConnector ) UnoRuntime.queryInterface(XConnector.class, x); String a[] = parseUnoUrl( _url ); if( null == a ) { throw new com.sun.star.uno.Exception( "Couldn't parse uno-url "+ _url ); } // connect using the connection string part of the uno-url only. XConnection connection = xConnector.connect( a[0] ); x = _ctx.getServiceManager().createInstanceWithContext( "com.sun.star.bridge.BridgeFactory", _ctx ); XBridgeFactory xBridgeFactory = (XBridgeFactory) UnoRuntime.queryInterface( XBridgeFactory.class , x ); // create a nameless bridge with no instance provider // using the middle part of the uno-url XBridge bridge = xBridgeFactory.createBridge( "" , a[1] , connection , null ); // query for the XComponent interface and add this as event listener XComponent xComponent = (XComponent) UnoRuntime.queryInterface( XComponent.class, bridge ); xComponent.addEventListener( this ); // get the remote instance x = bridge.getInstance( a[2] ); // Did the remote server export this object ? if( null == x ) { throw new com.sun.star.uno.Exception( "Server didn't provide an instance for" + a[2], null ); } // Query the initial object for its main factory interface XMultiComponentFactory xOfficeMultiComponentFactory = ( XMultiComponentFactory ) UnoRuntime.queryInterface( XMultiComponentFactory.class, x ); // retrieve the component context (it's not yet exported from the office) // Query for the XPropertySet interface. XPropertySet xProperySet = ( XPropertySet ) UnoRuntime.queryInterface( XPropertySet.class, xOfficeMultiComponentFactory ); // Get the default context from the office server. Object oDefaultContext = xProperySet.getPropertyValue( "DefaultContext" ); // Query for the interface XComponentContext. XComponentContext xOfficeComponentContext = ( XComponentContext ) UnoRuntime.queryInterface( XComponentContext.class, oDefaultContext ); // now create the desktop service // NOTE: use the office component context here ! Object oDesktop = xOfficeMultiComponentFactory.createInstanceWithContext( "com.sun.star.frame.Desktop", xOfficeComponentContext ); officeComponentLoader = ( XComponentLoader ) UnoRuntime.queryInterface( XComponentLoader.class, oDesktop ); if( officeComponentLoader == null ) { throw new com.sun.star.uno.Exception( "Couldn't instantiate com.sun.star.frame.Desktop" , null ); } _officeComponentLoader = officeComponentLoader; } return officeComponentLoader; } public static void main( String [] args ) throws java.lang.Exception { if( args.length != 1 ) { System.out.println( "usage: ConnectionAwareClient uno-url" ); return; } XComponentContext ctx = com.sun.star.comp.helper.Bootstrap.createInitialComponentContext( null ); ConnectionAwareClient connAware = new ConnectionAwareClient( ctx, args[0]); connAware.pack(); connAware.setVisible( true ); } }