| /* |
| * 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.http.base.internal.handler; |
| |
| import javax.servlet.Servlet; |
| |
| import org.apache.felix.http.base.internal.context.ExtServletContext; |
| import org.apache.felix.http.base.internal.runtime.ServletInfo; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceObjects; |
| import org.osgi.framework.ServiceReference; |
| |
| /** |
| * Servlet handler for servlets registered through the http whiteboard. |
| */ |
| public final class WhiteboardServletHandler extends ServletHandler |
| { |
| private final BundleContext bundleContext; |
| |
| public WhiteboardServletHandler(final long contextServiceId, |
| final ExtServletContext context, |
| final ServletInfo servletInfo, |
| final BundleContext bundleContext) |
| { |
| super(contextServiceId, context, servletInfo); |
| this.bundleContext = bundleContext; |
| } |
| |
| @Override |
| public int init() |
| { |
| if ( this.useCount > 0 ) |
| { |
| this.useCount++; |
| return -1; |
| } |
| |
| final ServiceReference<Servlet> serviceReference = getServletInfo().getServiceReference(); |
| final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(serviceReference); |
| |
| this.setServlet((so == null ? null : so.getService())); |
| |
| final int reason = super.init(); |
| if ( reason != -1 ) |
| { |
| if ( so != null ) |
| { |
| so.ungetService(this.getServlet()); |
| } |
| this.setServlet(null); |
| } |
| return reason; |
| } |
| |
| @Override |
| public boolean destroy() |
| { |
| final Servlet s = this.getServlet(); |
| if ( s != null ) |
| { |
| if ( super.destroy() ) |
| { |
| |
| final ServiceObjects<Servlet> so = this.bundleContext.getServiceObjects(getServletInfo().getServiceReference()); |
| if (so != null) |
| { |
| so.ungetService(s); |
| } |
| return true; |
| } |
| } |
| return false; |
| } |
| } |