| /* |
| * 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.tuscany.sca.host.http; |
| |
| import java.net.URL; |
| import java.util.List; |
| |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletContext; |
| |
| import org.apache.tuscany.sca.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.core.UtilityExtensionPoint; |
| |
| /** |
| * Default implementation of an extensible Servlet host. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class ExtensibleServletHost implements ServletHost { |
| |
| private ServletHostExtensionPoint servletHosts; |
| |
| public ExtensibleServletHost(ExtensionPointRegistry registry) { |
| this.servletHosts = registry.getExtensionPoint(ServletHostExtensionPoint.class); |
| } |
| |
| public static ExtensibleServletHost getInstance(ExtensionPointRegistry registry) { |
| UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); |
| return utilityExtensionPoint.getUtility(ExtensibleServletHost.class); |
| } |
| |
| public ExtensibleServletHost(ServletHostExtensionPoint servletHosts) { |
| this.servletHosts = servletHosts; |
| } |
| |
| public void setDefaultPort(int port) { |
| for (ServletHost servletHost: servletHosts.getServletHosts()) { |
| servletHost.setDefaultPort(port); |
| } |
| } |
| |
| public ServletHost getDefaultServletHost() { |
| List<ServletHost> hosts = servletHosts.getServletHosts(); |
| if (hosts.isEmpty()) { |
| throw new ServletMappingException("No servlet host is available."); |
| } |
| if (servletHosts.isWebApp()) { |
| for (ServletHost servletHost : hosts) { |
| if (!"webapp".equals(servletHost.getName())) { |
| continue; |
| } |
| if (servletHost instanceof DefaultServletHostExtensionPoint.LazyServletHost) { |
| return ((DefaultServletHostExtensionPoint.LazyServletHost)servletHost).getServletHost(); |
| } else { |
| return servletHost; |
| } |
| } |
| } |
| return hosts.get(0); |
| } |
| |
| public int getDefaultPort() { |
| return getDefaultServletHost().getDefaultPort(); |
| } |
| |
| public String addServletMapping(String uri, Servlet servlet) throws ServletMappingException { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().addServletMapping(uri, servlet); |
| } |
| |
| public String addServletMapping(String uri, Servlet servlet, SecurityContext securityContext) throws ServletMappingException { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().addServletMapping(uri, servlet, securityContext); |
| } |
| |
| public Servlet getServletMapping(String uri) throws ServletMappingException { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().getServletMapping(uri); |
| } |
| |
| public Servlet removeServletMapping(String uri) throws ServletMappingException { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().removeServletMapping(uri); |
| } |
| |
| public RequestDispatcher getRequestDispatcher(String uri) throws ServletMappingException { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().getRequestDispatcher(uri); |
| } |
| |
| public String getContextPath() { |
| // TODO implement selection of the correct Servlet host based on the mapping |
| // For now just select the first one |
| return getDefaultServletHost().getContextPath(); |
| } |
| |
| public URL getURLMapping(String uri, SecurityContext securityContext) { |
| return getDefaultServletHost().getURLMapping(uri, securityContext); |
| } |
| |
| public void setContextPath(String path) { |
| getDefaultServletHost().setContextPath(path); |
| } |
| |
| public void setAttribute(String name, Object value) { |
| getDefaultServletHost().setAttribute(name, value); |
| } |
| |
| public String getName() { |
| return getDefaultServletHost().getName(); |
| } |
| |
| @Override |
| public ServletContext getServletContext() { |
| return getDefaultServletHost().getServletContext(); |
| } |
| } |