diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta4-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta4-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java new file mode 100644 index 0000000000..107b6b3d5f --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java @@ -0,0 +1,140 @@ +/* + * 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(); + } +} |