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Diffstat (limited to 'ridljar/com/sun/star/comp/bridgefactory')
| -rw-r--r-- | ridljar/com/sun/star/comp/bridgefactory/BridgeFactory.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/ridljar/com/sun/star/comp/bridgefactory/BridgeFactory.java b/ridljar/com/sun/star/comp/bridgefactory/BridgeFactory.java new file mode 100644 index 000000000..031e60d3f --- /dev/null +++ b/ridljar/com/sun/star/comp/bridgefactory/BridgeFactory.java @@ -0,0 +1,212 @@ +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +package com.sun.star.comp.bridgefactory; + +import java.math.BigInteger; +import java.util.ArrayList; + +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. + * + * <p>It wraps the <code>UnoRuntime#getBridgeByName</code>method and delivers a + * XBridge component.</p> + * + * <p>This component is only usable for remote bridges.</p> + * + * @see com.sun.star.uno.UnoRuntime + * @since UDK1.0 + */ +public class BridgeFactory implements XBridgeFactory/*, XEventListener*/ { + private static final boolean DEBUG = false; + + /** + * The name of the service, the <code>JavaLoader</code> accesses this through + * reflection. + */ + public static final String __serviceName = "com.sun.star.bridge.BridgeFactory"; + + /** + * Gives a factory for creating the service. + * + * <p>This method is called by the <code>JavaLoader</code>.</p> + * + * @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. + * @return returns a <code>XSingleServiceFactory</code> for creating the component. + * + * @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>. + * + * @param sName the name to memorize the bridge. + * @param sProtocol the protocol the bridge should use. + * @param anInstanceProvider the instance provider. + * @return the bridge. + * + * @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 ? sName : 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 && xBridge.getName().equals(sName)) { + throw new BridgeExistsException(sName + " already exists"); + } + } + } + + XBridge xBridge; + + 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 e) { + throw new com.sun.star.lang.IllegalArgumentException(e, e.getMessage()); + } + + if(DEBUG) System.err.println("##### " + getClass().getName() + ".createBridge:" + sName + " " + sProtocol + " " + aConnection + " " + anInstanceProvider + " " + xBridge); + + return xBridge; + } + + /** + * Gets a remote bridge which must already exist. + * + * @param sName the name of the bridge. + * @return 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. + * + * @return the bridges. + * @see com.sun.star.bridge.XBridgeFactory + */ + public synchronized XBridge[] getExistingBridges() throws com.sun.star.uno.RuntimeException { + ArrayList<XBridge> vector = new ArrayList<XBridge>(); + + IBridge iBridges[] = UnoRuntime.getBridges(); + for(int i = 0; i < iBridges.length; ++ i) { + XBridge xBridge = UnoRuntime.queryInterface(XBridge.class, iBridges[i]); + + if(xBridge != null) + vector.add(xBridge); + } + + XBridge xBridges[]= new XBridge[vector.size()]; + for(int i = 0; i < vector.size(); ++ i) + xBridges[i] = vector.get(i); + + return xBridges; + } + + private static final class UniqueToken { + public UniqueToken() { + synchronized (UniqueToken.class) { + token = counter.toString(); + counter = counter.add(BigInteger.ONE); + } + } + + /** + * Returns a string representation of the object. + * + * @return a string representation of the object. + * @see java.lang.Object#toString + */ + @Override + public String toString() { + return token; + } + + private final String token; + private static BigInteger counter = BigInteger.ZERO; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |