diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java')
-rw-r--r-- | sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java b/sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java new file mode 100644 index 0000000000..17dbe127d3 --- /dev/null +++ b/sandbox/old/contrib/runtime-webapp/webapp-host/src/main/java/org/apache/tuscany/runtime/webapp/ServletHostImpl.java @@ -0,0 +1,142 @@ +/* + * 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.runtime.webapp; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; +import javax.servlet.Servlet; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; + +import org.osoa.sca.annotations.EagerInit; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Service; + +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.event.EventFilter; +import org.apache.tuscany.spi.event.EventPublisher; +import org.apache.tuscany.spi.event.RuntimeEventListener; +import org.apache.tuscany.spi.host.ServletHost; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.core.component.event.HttpRequestEnded; +import org.apache.tuscany.core.component.event.HttpRequestStart; +import org.apache.tuscany.core.component.event.HttpSessionEnd; +import org.apache.tuscany.core.component.event.HttpSessionStart; +import org.apache.tuscany.host.servlet.ServletRequestInjector; + +/** + * A <code>ServletHost</code> implementation that forwards requests to registered servlets + * + * @version $Rev$ $Date$ + */ +@Service(ServletHost.class) +@EagerInit +public class ServletHostImpl implements ServletHost, ServletRequestInjector, EventPublisher { + protected Map<String, Servlet> servlets; + protected ScopeRegistry registry; + protected WorkContext workContext; + + public ServletHostImpl() { + this.servlets = new HashMap<String, Servlet>(); + } + + @Reference(required = false) + public void setSessionScopeContainer(ScopeRegistry registry) { + this.registry = registry; + } + + @Reference(required = false) + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + public void service(ServletRequest req, ServletResponse resp) throws ServletException, IOException { + assert req instanceof HttpServletRequest : "implementation only supports HttpServletRequest"; + String path = ((HttpServletRequest) req).getPathInfo(); + Servlet servlet = servlets.get(path); + if (servlet == null) { + throw new IllegalStateException("No servlet registered for path: " + path); + } + servlet.service(req, resp); + } + + public void registerMapping(String path, Servlet servlet) { + if (servlets.containsKey(path)) { + throw new IllegalStateException("Servlet already registered at path: " + path); + } + servlets.put(path, servlet); + } + + public boolean isMappingRegistered(String mapping) { + return servlets.containsKey(mapping); + + } + + public Servlet unregisterMapping(String path) { + return servlets.remove(path); + } + + public void addListener(RuntimeEventListener listener) { + throw new UnSupportedRuntimeException("Not Supported"); + + } + + public void addListener(EventFilter filter, RuntimeEventListener listener) { + throw new UnSupportedRuntimeException("Not Supported"); + + } + + public void publish(Event event) { + if (null != registry && (event instanceof HttpSessionStart || event instanceof HttpSessionEnd)) { + ScopeContainer sc = registry.getScopeContainer(Scope.SESSION); + if (null != sc) { + sc.onEvent(event); + + } + } + if (null != workContext) { + if (event instanceof HttpRequestStart) { + Object key = ((HttpRequestStart) event).getId(); + if (null != key) { + workContext.setIdentifier(Scope.SESSION, ((HttpRequestStart) event).getId()); + } else { // new request with no session. + workContext.clearIdentifier(Scope.SESSION); + } + } else if (event instanceof HttpRequestEnded) { + workContext.clearIdentifier(Scope.SESSION); + + } + + } + + } + + public void removeListener(RuntimeEventListener listener) { + throw new UnSupportedRuntimeException("Not Supported"); + + } + +}
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