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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+package com.sun.star.comp.connections;
+
+import com.sun.star.bridge.XInstanceProvider;
+
+import com.sun.star.lang.XMultiServiceFactory;
+import com.sun.star.lang.XSingleServiceFactory;
+
+import com.sun.star.registry.XRegistryKey;
+
+import com.sun.star.comp.loader.FactoryHelper;
+
+
+/**
+ * The <code>ConstantInstanceProvider</code> is a component
+ * that implements the <code>XInstanceProvider</code> Interface.
+ * <p>
+ * @version $Revision: 1.3 $ $ $Date: 2008-04-11 11:08:55 $
+ * @author Kay Ramme
+ * @see com.sun.star.bridge.XBridge
+ * @see com.sun.star.bridge.XBridgeFactory
+ * @see com.sun.star.bridge.XInstanceProvider
+ * @see com.sun.star.loader.JavaLoader
+ * @since UDK1.0
+ */
+public class ConstantInstanceProvider implements XInstanceProvider {
+ /**
+ * When set to true, enables various debugging output.
+ */
+ static public final boolean DEBUG = false;
+
+ /**
+ * The name of the service, the <code>JavaLoader</code> acceses this through reflection.
+ */
+ static private final String __serviceName = "com.sun.star.comp.connection.InstanceProvider";
+
+ /**
+ * Gives a factory for creating the service.
+ * This method is called by the <code>JavaLoader</code>
+ * <p>
+ * @return returns a <code>XSingleServiceFactory</code> for creating the component
+ * @param implName the name of the implementation for which a service is desired
+ * @param multiFactory the service manager to be uses if needed
+ * @param regKey the registryKey
+ * @see com.sun.star.comp.loader.JavaLoader
+ */
+ public static XSingleServiceFactory __getServiceFactory(String implName,
+ XMultiServiceFactory multiFactory,
+ XRegistryKey regKey)
+ {
+ XSingleServiceFactory xSingleServiceFactory = null;
+
+ if (implName.equals(ConstantInstanceProvider.class.getName()) )
+ xSingleServiceFactory = FactoryHelper.getServiceFactory(ConstantInstanceProvider.class,
+ __serviceName,
+ multiFactory,
+ regKey);
+
+ return xSingleServiceFactory;
+ }
+
+ /**
+ * Writes the service information into the given registry key.
+ * This method is called by the <code>JavaLoader</code>
+ * <p>
+ * @return returns true if the operation succeeded
+ * @param regKey the registryKey
+ * @see com.sun.star.comp.loader.JavaLoader
+ */
+ public static boolean __writeRegistryServiceInfo(XRegistryKey regKey) {
+ return FactoryHelper.writeRegistryServiceInfo(ConstantInstanceProvider.class.getName(), __serviceName, regKey);
+ }
+
+
+
+ protected XMultiServiceFactory _serviceManager;
+ protected String _serviceName;
+ protected Object _instance;
+
+
+ public void setInstance(String serviceName) throws com.sun.star.uno.Exception {
+ _instance = _serviceManager.createInstance(serviceName);
+ _serviceName = serviceName;
+ }
+
+ /**
+ * Constructs a new <code>ConstantInstanceProvider</code>.
+ * Uses the provided ServiceManager as the provided instance.
+ * <p>
+ * @param serviceName the provided service manager
+ */
+ public ConstantInstanceProvider(XMultiServiceFactory serviceManager) {
+ _serviceManager = serviceManager;
+
+ _serviceName = "SERVICEMANAGER";
+ _instance = serviceManager;
+ }
+
+ /**
+ * Gives an object for the passed instance name.
+ * <p>
+ * @return the desired instance
+ * @param sInstanceName the name of the desired instance
+ */
+ public Object getInstance(String sInstanceName) throws com.sun.star.container.NoSuchElementException, com.sun.star.uno.RuntimeException {
+ Object result = sInstanceName.equals(_serviceName) ? _instance : null;
+
+ if(DEBUG) System.err.println("##### " + getClass().getName() + ".getInstance(" + sInstanceName + "):" + result);
+
+ return result;
+ }
+}
+