diff options
Diffstat (limited to 'tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache')
6 files changed, 0 insertions, 575 deletions
diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBinding.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBinding.java deleted file mode 100644 index ae5cf327ab..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBinding.java +++ /dev/null @@ -1,31 +0,0 @@ -/* - * 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; - -/** - * The runtime representation of the <binding.dwr> SCDL - * - * @version $Rev$ $Date$ - */ -public class DWRBinding { - - // Empty as <binding.dwr> doesn't use any additional attributes or elements (yet). - -} diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBindingActivator.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBindingActivator.java deleted file mode 100644 index d14751f235..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRBindingActivator.java +++ /dev/null @@ -1,56 +0,0 @@ -/* - * 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 org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.extension.helper.BindingActivator; -import org.apache.tuscany.sca.extension.helper.ComponentLifecycle; -import org.apache.tuscany.sca.extension.helper.InvokerFactory; -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * The Binding Activator for the DWR Binding. - * - * @version $Rev$ $Date$ - */ -public class DWRBindingActivator implements BindingActivator<DWRBinding>{ - - private ServletHost servletHost; - - public DWRBindingActivator(ServletHost servletHost) { - this.servletHost = servletHost; - } - - public Class<DWRBinding> getBindingClass() { - return DWRBinding.class; - } - - public InvokerFactory createInvokerFactory(RuntimeComponent rc, RuntimeComponentReference rcr, Binding b, DWRBinding ab) { - return new DWRInvokerFactory(rc, rcr, b, ab, servletHost); - } - - public ComponentLifecycle createService(RuntimeComponent rc, RuntimeComponentService rcs, Binding b, DWRBinding ab) { - return new DWRService(rc, rcs, b, ab, servletHost); - } - -} diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvoker.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvoker.java deleted file mode 100644 index 24e6dbbcd4..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvoker.java +++ /dev/null @@ -1,93 +0,0 @@ -/* - * 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.util.Collection; - -import org.apache.tuscany.sca.core.invocation.MessageImpl; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.directwebremoting.ScriptBuffer; -import org.directwebremoting.WebContext; -import org.directwebremoting.WebContextFactory; -import org.directwebremoting.proxy.dwr.Util; - -/** - * The invoker for a DWR Binding. - * - * @version $Rev$ $Date$ - */ -public class DWRInvoker implements Invoker { - - private String referenceFunction; - - public DWRInvoker(String referenceName, Operation operation) { - this.referenceFunction = referenceName + "." + operation.getName(); - } - - public Message invoke(Message requestMsg) { - - invoke((Object[])requestMsg.getBody()); - - // DWR references can not return anything - return new MessageImpl(); - } - - public void invoke(Object[] args) { - - // TODO: this only works if its the same thread as request - WebContext wctx = WebContextFactory.get(); - String currentPage = wctx.getCurrentPage(); - - // Get a DWR Util proxy for all the browsers on the current page: - Collection sessions = wctx.getScriptSessionsByPage(currentPage); - Util utilAll = new Util(sessions); - - ScriptBuffer referenceInvoke = getInvokeFragment(args, wctx); - - // add the reference call to the Util proxy which will cause DWR to - // asynchronously send it to be run on each active browser client - utilAll.addScript(referenceInvoke); - } - - /** - * Creates a fragment of JavaScript code to invoke the reference function - * Eg: "<referenceName>.<operationName>(arg1, arg2,...);" - */ - protected ScriptBuffer getInvokeFragment(Object[] args, WebContext wctx) { - - ScriptBuffer sb = new ScriptBuffer(); - sb.appendScript(referenceFunction); - sb.appendScript("("); - if (args != null) { - for (int i = 0; i < args.length; i++) { - sb.appendData(args[i]); - if (i < (args.length - 1)) { - sb.appendScript(", "); - } - } - } - sb.appendScript(");"); - - return sb; - } - -} diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvokerFactory.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvokerFactory.java deleted file mode 100644 index 1d073c9ecf..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRInvokerFactory.java +++ /dev/null @@ -1,67 +0,0 @@ -/* - * 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 static org.apache.tuscany.sca.binding.dwr.DWRService.SERVLET_PATH; - -import org.apache.tuscany.sca.assembly.Binding; -import org.apache.tuscany.sca.extension.helper.ComponentLifecycle; -import org.apache.tuscany.sca.extension.helper.InvokerFactory; -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; - -/** - * InvokerFactory for the DWRBinding. - * - * @version $Rev$ $Date$ - */ -public class DWRInvokerFactory implements InvokerFactory, ComponentLifecycle { - - private Binding binding; - private ServletHost servletHost; - - public DWRInvokerFactory(RuntimeComponent rc, RuntimeComponentReference rcr, Binding b, DWRBinding ab, ServletHost servletHost) { - this.binding = b; - this.servletHost = servletHost; - } - - public Invoker createInvoker(Operation operation) { - return new DWRInvoker(binding.getName(), operation); - } - - public void start() { - - DWRServlet servlet = (DWRServlet) servletHost.getServletMapping(SERVLET_PATH); - if (servlet == null) { - servlet = new DWRServlet(); - servletHost.addServletMapping(SERVLET_PATH, servlet); - } - - servlet.addReference(binding.getName()); - } - - public void stop() { - servletHost.removeServletMapping(SERVLET_PATH); - } - -} diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java deleted file mode 100644 index 7d5a7f1677..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRService.java +++ /dev/null @@ -1,81 +0,0 @@ -/* - * 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; - -/** - * DWR Service. - * - * @version $Rev$ $Date$ - */ -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); - } - -} diff --git a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRServlet.java b/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRServlet.java deleted file mode 100644 index 3a2471d8f3..0000000000 --- a/tags/java/sca/2.0-M2/modules/binding-dwr-runtime/src/main/java/org/apache/tuscany/sca/binding/dwr/DWRServlet.java +++ /dev/null @@ -1,247 +0,0 @@ -/* - * 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.io.IOException; -import java.io.PrintWriter; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.Enumeration; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import javax.servlet.ServletConfig; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; - -import org.directwebremoting.Container; -import org.directwebremoting.create.AbstractCreator; -import org.directwebremoting.extend.CreatorManager; -import org.directwebremoting.extend.Handler; -import org.directwebremoting.extend.Remoter; -import org.directwebremoting.servlet.DwrServlet; -import org.directwebremoting.servlet.EngineHandler; -import org.directwebremoting.servlet.PathConstants; -import org.directwebremoting.servlet.UrlProcessor; - -/** - * Tuscany customized DWR Servlet to implement support for the DWR binding - * - * Handles requests for SCA services and references that use <binding.dwr>, - * and also the HTTP GET for the Tuscany DWR system script "scaDomain.js" - * - * @version $Rev$ $Date$ - */ -public class DWRServlet extends DwrServlet { - private static final long serialVersionUID = 1L; - - private transient Map<String, ServiceHolder> services; - private transient List<String> referenceNames; - private transient boolean initialized; - private transient Map<String, String> initParams; - - private static final String SCADOMAIN_SCRIPT_PATH = "/scaDomain.js"; - - public DWRServlet() { - this.services = new HashMap<String, ServiceHolder>(); - this.referenceNames = new ArrayList<String>(); - - this.initParams = new HashMap<String, String>(); - // maybe use <binding.dwr> attributes to define the init params - initParams.put("activeReverseAjaxEnabled", "true"); - } - - @Override - public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { - super.service(req, res); - } - - /** - * Initialize the Servlet - * There is a single instance of this Servlet which is registered - * for multiple path mappings, but the init should only run once. - */ - @Override - public void init(ServletConfig servletConfig) throws ServletException { - if (!initialized) { - super.init(patchConfig(servletConfig)); - addScriptHandler(); - initServices(); - initialized = true; - } - } - - /** - * Add in the handler to process the HTTP get for /sca/scaDomain.js - * - * This wrappers the DWR Engine handler which returns the DWR engine.js script, - * this wrappers that handler so as to add Tuscany specific header and footer code - * to the DWR engine.js to define the Tuscany SCADomain control functions and - * functions for each SCA service and reference that use <binding.dwr>. - */ - private void addScriptHandler() { - - UrlProcessor urlProcessor = (UrlProcessor)getContainer().getBean(UrlProcessor.class.getName()); - - final EngineHandler engineHandler = - (EngineHandler)getContainer().getBean(PathConstants.URL_PREFIX + "/engine.js"); - - final Handler scaDomainScriptHandler = new Handler() { - public void handle(HttpServletRequest request, HttpServletResponse response) throws IOException { - PrintWriter out = response.getWriter(); - out.println("/** Apache Tuscany scaDomain.js Header */"); - - engineHandler.handle(request, response); - - tuscanyFooter(request, out); - } - - }; - - // add the scaDomainScriptHandler to the urlProcessor - // bit of a hack, there's probably cleaner way to get it registered - urlProcessor.afterContainerSetup(new Container() { - public Object getBean(String name) { - return scaDomainScriptHandler; - } - public Collection getBeanNames() { - return Arrays.asList(new String[] {PathConstants.URL_PREFIX + SCADOMAIN_SCRIPT_PATH}); - } - }); - } - - /** - * Adds the JavaScript defining SCADomain, its control functions, - * and functions for all the available SCA services and references. - */ - private void tuscanyFooter(HttpServletRequest request, PrintWriter out) { - out.println("/** Apache Tuscany scaDomain.js Footer */"); - out.println(); - out.println("function scaDomain() { }"); - out.println(); - out.println("// SCA services"); - - // Use the DWR remoter to generate the JavaScipt function for each SCA service - Remoter remoter = (Remoter)getContainer().getBean(Remoter.class.getName()); - - String path = request.getContextPath() + request.getServletPath(); - - for (String serviceName : services.keySet()) { - String serviceScript = remoter.generateInterfaceScript(serviceName, path); - out.println(serviceScript); - } - - if (referenceNames.size() > 0) { - - out.println("// SCA reverse ajax control functions"); - out.println(); - out.println("scaDomain.open = function() { dwr.engine.setActiveReverseAjax(true); };"); - out.println("scaDomain.close = function() { dwr.engine.setActiveReverseAjax(false); };"); - - out.println(); - out.println("// SCA references"); - out.println(); - - // the JavaScript function for SCA references has an - // empty impl as it uses DWR severside "push" - for (String referenceName : referenceNames) { - out.println("function " + referenceName + "() { }"); - } - } - - out.println(); - out.println("/** End of Apache Tuscany scaDomain.js */"); - out.println(); - } - - /** - * Add an SCA reference to be added to the DWR runtime - */ - public void addReference(String name) { - referenceNames.add(name); - } - - /** - * Add an SCA service to be added to the DWR runtime - */ - public void addService(String name, final Class type, final Object instance) { - ServiceHolder holder = new ServiceHolder(); - holder.name = name; - holder.type = type; - holder.instance = instance; - services.put(name, holder); - } - - /** - * Defines each SCA service proxy instance to DWR - */ - private void initServices() { - CreatorManager creatorManager = (CreatorManager)getContainer().getBean(CreatorManager.class.getName()); - - for (final ServiceHolder holder : services.values()) { - creatorManager.addCreator(holder.name, new AbstractCreator() { - public Class getType() { - return holder.type; - } - - public Object getInstance() throws InstantiationException { - return holder.instance; - } - }); - } - } - - // utility class to aid passing around services - private class ServiceHolder { - String name; - Class type; - Object instance; - } - - /** - * Patch the ServletConfig to enable setting init params for DWR - * and so DWR can't see the Tuscany servlet's init params. - */ - private ServletConfig patchConfig(final ServletConfig servletConfig) { - ServletConfig patchedContext = new ServletConfig() { - public String getInitParameter(String name) { - return initParams.get(name); - } - public Enumeration getInitParameterNames() { - return Collections.enumeration(initParams.keySet()); - } - public ServletContext getServletContext() { - return servletConfig.getServletContext(); - } - public String getServletName() { - return servletConfig.getServletName(); - } - }; - return patchedContext; - } - -} |