| /* |
| * 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. |
| */ |
| package org.apache.felix.eventadmin.bridge.wireadmin; |
| |
| import java.util.Arrays; |
| import java.util.Hashtable; |
| |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventAdmin; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.wireadmin.WireAdmin; |
| import org.osgi.service.wireadmin.WireAdminEvent; |
| import org.osgi.service.wireadmin.WireAdminListener; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class WireAdminEventToEventAdminBridge implements WireAdminListener |
| { |
| private final BundleContext m_context; |
| |
| public WireAdminEventToEventAdminBridge(final BundleContext context) |
| { |
| m_context = context; |
| |
| m_context.registerService(WireAdminListener.class.getName(), this, null); |
| } |
| |
| public void wireAdminEvent(final WireAdminEvent event) |
| { |
| final ServiceReference ref = m_context |
| .getServiceReference(EventAdmin.class.getName()); |
| |
| if(null != ref) |
| { |
| final EventAdmin eventAdmin = (EventAdmin) m_context |
| .getService(ref); |
| |
| if(null != eventAdmin) |
| { |
| final String topic; |
| |
| switch(event.getType()) |
| { |
| case WireAdminEvent.WIRE_CREATED: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_CREATED"; |
| break; |
| case WireAdminEvent.WIRE_CONNECTED: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_CONNECTED"; |
| break; |
| case WireAdminEvent.WIRE_UPDATED: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_UPDATED"; |
| break; |
| case WireAdminEvent.WIRE_TRACE: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_TRACE"; |
| break; |
| case WireAdminEvent.WIRE_DISCONNECTED: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_DISCONNECTED"; |
| break; |
| case WireAdminEvent.WIRE_DELETED: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/WIRE_DELETED"; |
| break; |
| case WireAdminEvent.PRODUCER_EXCEPTION: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/PRODUCER_EXCEPTION"; |
| break; |
| case WireAdminEvent.CONSUMER_EXCEPTION: |
| topic = "org/osgi/service/wireadmin/WireAdminEvent/CONSUMER_EXCEPTION"; |
| break; |
| default: |
| m_context.ungetService(ref); |
| return; |
| } |
| |
| final Hashtable properties = new Hashtable(); |
| |
| properties.put(EventConstants.EVENT, event); |
| |
| properties.put("wire", event.getWire()); |
| |
| properties.put("wire.flavors", event.getWire().getFlavors()); |
| |
| properties.put("wire.scope", event.getWire().getScope()); |
| |
| properties.put("wire.connected", (event.getWire().isConnected()) ? |
| Boolean.TRUE : Boolean.FALSE); |
| |
| properties.put("wire.valid", (event.getWire().isValid()) ? |
| Boolean.TRUE : Boolean.FALSE); |
| |
| final Throwable throwable = event.getThrowable(); |
| |
| if(null != throwable) |
| { |
| properties.put(EventConstants.EXCEPTION, throwable); |
| |
| properties.put(EventConstants.EXCEPTION_CLASS, throwable |
| .getClass().getName()); |
| |
| final String message = throwable.getMessage(); |
| |
| if(null != message) |
| { |
| properties.put(EventConstants.EXCEPTION_MESSAGE, message); |
| } |
| } |
| |
| final ServiceReference eventRef = event.getServiceReference(); |
| |
| if(null == eventRef) |
| { |
| throw new IllegalArgumentException( |
| "WireAdminEvent.getServiceReference() may not be null"); |
| } |
| |
| properties.put(EventConstants.SERVICE, eventRef); |
| |
| properties.put(EventConstants.SERVICE_ID, eventRef |
| .getProperty(EventConstants.SERVICE_ID)); |
| |
| final Object objectClass = eventRef |
| .getProperty(Constants.OBJECTCLASS); |
| |
| if(!(objectClass instanceof String[]) |
| || !Arrays.asList((String[]) objectClass) |
| .contains(WireAdmin.class.getName())) |
| { |
| throw new IllegalArgumentException( |
| "Bad objectclass: " + objectClass); |
| } |
| |
| properties.put(EventConstants.SERVICE_OBJECTCLASS, objectClass); |
| |
| properties.put(EventConstants.SERVICE_PID, eventRef |
| .getProperty(EventConstants.SERVICE_PID)); |
| |
| eventAdmin.postEvent(new Event(topic, properties)); |
| |
| m_context.ungetService(ref); |
| } |
| } |
| } |
| } |