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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.2.1/modules/binding-dwr/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.2.1/modules/binding-dwr/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-dwr/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java b/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-dwr/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java new file mode 100644 index 0000000000..6e78d2937b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.2.1/modules/binding-dwr/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java @@ -0,0 +1,76 @@ +/* + * 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.binding.dwr; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.extension.helper.ComponentLifecycle; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +public class DWRService implements ComponentLifecycle { + + private RuntimeComponent rc; + private RuntimeComponentService rcs; + private Binding binding; + private ServletHost servletHost; + + static final String SERVLET_PATH = "/SCADomain/*"; + + public DWRService(RuntimeComponent rc, RuntimeComponentService rcs, Binding binding, DWRBinding ab, ServletHost servletHost) { + this.rc = rc; + this.rcs = rcs; + this.binding = binding; + this.servletHost = servletHost; + } + + public void start() { + + DWRServlet servlet = (DWRServlet) servletHost.getServletMapping(SERVLET_PATH); + if (servlet == null) { + servlet = new DWRServlet(); + servletHost.addServletMapping(SERVLET_PATH, servlet); + } + + // Create a Java proxy to the target service + Class<?> type = ((JavaInterface)rcs.getInterfaceContract().getInterface()).getJavaClass(); + Object proxy = Proxy.newProxyInstance(type.getClassLoader(), new Class[]{type}, new InvocationHandler() { + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + RuntimeWire wire = rcs.getRuntimeWire(binding); + Operation op = JavaInterfaceUtil.findOperation(method, rcs.getInterfaceContract().getInterface().getOperations()); + return wire.invoke(op, args); + }}); + + servlet.addService(binding.getName(), type, proxy); + } + + public void stop() { + servletHost.removeServletMapping(SERVLET_PATH); + } + +} |