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Diffstat (limited to 'jurt/com/sun/star/comp/bridgefactory/BridgeFactory.java')
| -rw-r--r-- | jurt/com/sun/star/comp/bridgefactory/BridgeFactory.java | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/jurt/com/sun/star/comp/bridgefactory/BridgeFactory.java b/jurt/com/sun/star/comp/bridgefactory/BridgeFactory.java new file mode 100644 index 000000000000..1c4819326268 --- /dev/null +++ b/jurt/com/sun/star/comp/bridgefactory/BridgeFactory.java @@ -0,0 +1,216 @@ +/************************************************************************* + * + * 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.bridgefactory; + +import java.math.BigInteger; +import java.util.Vector; + + +import com.sun.star.bridge.BridgeExistsException; +import com.sun.star.bridge.XBridge; +import com.sun.star.bridge.XBridgeFactory; +import com.sun.star.bridge.XInstanceProvider; + +import com.sun.star.comp.loader.FactoryHelper; + +import com.sun.star.connection.XConnection; + +import com.sun.star.lang.XMultiServiceFactory; +import com.sun.star.lang.XSingleServiceFactory; + +import com.sun.star.registry.XRegistryKey; + +import com.sun.star.uno.IBridge; +import com.sun.star.uno.UnoRuntime; + + +/** + * The BridgeFactory class implements the <code>XBridgeFactory</code> Interface. + * It wrapps the <code>UnoRuntime#getBridgeByName</code>method and delivers a + * XBridge component. + * <p> + * This component is only usable for remote bridges. + * <p> + * @version $Revision: 1.11 $ $ $Date: 2008-04-11 11:07:51 $ + * @author Kay Ramme + * @see com.sun.star.uno.UnoRuntime + * @since UDK1.0 + */ +public class BridgeFactory implements XBridgeFactory/*, XEventListener*/ { + static private final boolean DEBUG = false; + + /** + * The name of the service, the <code>JavaLoader</code> acceses this through reflection. + */ + public final static String __serviceName = "com.sun.star.bridge.BridgeFactory"; + + /** + * 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(BridgeFactory.class.getName()) ) + xSingleServiceFactory = FactoryHelper.getServiceFactory(BridgeFactory.class, + multiFactory, + regKey); + + return xSingleServiceFactory; + } + + /** + * Creates a remote bridge and memorizes it under <code>sName</code>. + * <p> + * @return the bridge + * @param sName the name to memorize the bridge + * @param sProtocol the protocol the bridge should use + * @param anInstanceProvider the instance provider + * @see com.sun.star.bridge.XBridgeFactory + */ + public XBridge createBridge(String sName, String sProtocol, XConnection aConnection, XInstanceProvider anInstanceProvider) throws + BridgeExistsException, + com.sun.star.lang.IllegalArgumentException, + com.sun.star.uno.RuntimeException + { + boolean hasName = sName.length() != 0; + Object context = hasName ? (Object) sName : (Object) new UniqueToken(); + // UnoRuntime.getBridgeByName internally uses context.toString() to + // distinguish bridges, so the result of + // new UniqueToken().toString() might clash with an explicit + // sName.toString(), but the UnoRuntime bridge management is + // obsolete anyway and should be removed + + // do not create a new bridge, if one already exists + if (hasName) { + IBridge iBridges[] = UnoRuntime.getBridges(); + for(int i = 0; i < iBridges.length; ++ i) { + XBridge xBridge = UnoRuntime.queryInterface(XBridge.class, iBridges[i]); + + if(xBridge != null) { + if(xBridge.getName().equals(sName)) + throw new BridgeExistsException(sName + " already exists"); + } + } + } + + XBridge xBridge = null; + + try { + IBridge iBridge = UnoRuntime.getBridgeByName("java", context, "remote", context, hasName ? new Object[]{sProtocol, aConnection, anInstanceProvider, sName} : new Object[]{sProtocol, aConnection, anInstanceProvider}); + + xBridge = UnoRuntime.queryInterface(XBridge.class, iBridge); + } + catch(Exception exception) { + throw new com.sun.star.lang.IllegalArgumentException(exception.getMessage()); + } + + if(DEBUG) System.err.println("##### " + getClass().getName() + ".createBridge:" + sName + " " + sProtocol + " " + aConnection + " " + anInstanceProvider + " " + xBridge); + + return xBridge; + } + + /** + * Gets a remote bridge which must already exist. + * <p> + * @return the bridge + * @param sName the name of the bridge + * @see com.sun.star.bridge.XBridgeFactory + */ + public XBridge getBridge(String sName) throws com.sun.star.uno.RuntimeException { + XBridge xBridge = null; + + IBridge iBridges[] = UnoRuntime.getBridges(); + for(int i = 0; i < iBridges.length; ++ i) { + xBridge = UnoRuntime.queryInterface(XBridge.class, iBridges[i]); + + if(xBridge != null) { + if(xBridge.getName().equals(sName)) + break; + + else + xBridge = null; + } + } + + + if(DEBUG) System.err.println("##### " + getClass().getName() + ".getBridge:" + sName + " " + xBridge); + + return xBridge; + } + + /** + * Gives all created bridges + * <p> + * @return the bridges + * @see com.sun.star.bridge.XBridgeFactory + */ + public synchronized XBridge[] getExistingBridges() throws com.sun.star.uno.RuntimeException { + Vector vector = new Vector(); + + IBridge iBridges[] = UnoRuntime.getBridges(); + for(int i = 0; i < iBridges.length; ++ i) { + XBridge xBridge = UnoRuntime.queryInterface(XBridge.class, iBridges[i]); + + if(xBridge != null) + vector.addElement(xBridge); + } + + XBridge xBridges[]= new XBridge[vector.size()]; + for(int i = 0; i < vector.size(); ++ i) + xBridges[i] = (XBridge)vector.elementAt(i); + + return xBridges; + } + + private static final class UniqueToken { + public UniqueToken() { + synchronized (UniqueToken.class) { + token = counter.toString(); + counter = counter.add(BigInteger.ONE); + } + } + + public String toString() { + return token; + } + + private final String token; + private static BigInteger counter = BigInteger.ZERO; + } +} + |