diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main')
5 files changed, 226 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java new file mode 100644 index 0000000000..9976ab0100 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java @@ -0,0 +1,73 @@ +/* + * 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.webapp.spring; + +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.servlet.ServletConfig; +import javax.servlet.ServletException; + +import org.apache.tuscany.sca.host.webapp.WebAppHelper; +import org.apache.tuscany.sca.host.webapp.WebContextConfigurator; +import org.apache.tuscany.sca.node.Node; +import org.springframework.web.servlet.DispatcherServlet; + +/** + * A Servlet that provides a hook to control the lifecycle of Tuscany node and extend Spring Web MVC's DispatcherServlet + * + * @version $Rev$ $Date$ + */ +public class TuscanyDispatcherServlet extends DispatcherServlet { + private static final long serialVersionUID = 1L; + private Logger logger = Logger.getLogger(TuscanyDispatcherServlet.class.getName()); + + private transient WebContextConfigurator configurator; + private transient Node node; + + public TuscanyDispatcherServlet() { + super(); + } + + @Override + public void init(ServletConfig config) throws ServletException { + try { + super.init(config); + configurator = WebAppHelper.getConfigurator(this); + node = WebAppHelper.init(configurator); + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + configurator.getServletContext().log(e.getMessage(), e); + throw new ServletException(e); + } + } + + public void destroy() { + WebAppHelper.stop(configurator); + node = null; + configurator = null; + super.destroy(); + } + + public Node getNode() { + return node; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/ApplicationContextAccessorBean.java b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/ApplicationContextAccessorBean.java new file mode 100644 index 0000000000..a54ef8df17 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/ApplicationContextAccessorBean.java @@ -0,0 +1,43 @@ +/* + * 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.implementation.spring.webapp; + +import org.springframework.context.ApplicationContextAware; +import org.springframework.context.support.ApplicationObjectSupport; + +/** + * A singleton utility class that can be added to the Spring application context to receive injection of the containing + * Spring application context. + * + * The Spring bean definition file is: org/apache/tuscany/sca/implementation/spring/webapp/spring-webapp-context.xml + */ +public class ApplicationContextAccessorBean extends ApplicationObjectSupport implements ApplicationContextAware { + public final static String BEAN_ID = "tuscanySpringApplicationContextAccessor"; + private final static ApplicationContextAccessorBean INSTANCE = new ApplicationContextAccessorBean(); + + private ApplicationContextAccessorBean() { + } + + // Spring static factory method to create the singleton instance + public static ApplicationContextAccessorBean getInstance() { + return INSTANCE; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/SpringWebApplicationContextAccessor.java b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/SpringWebApplicationContextAccessor.java new file mode 100644 index 0000000000..d94494fbe0 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/SpringWebApplicationContextAccessor.java @@ -0,0 +1,64 @@ +/* + * 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.implementation.spring.webapp; + +import java.util.logging.Logger; + +import javax.servlet.Servlet; +import javax.servlet.ServletContext; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.spring.context.SpringApplicationContextAccessor; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.springframework.context.ApplicationContext; +import org.springframework.web.context.support.WebApplicationContextUtils; +import org.springframework.web.servlet.FrameworkServlet; + +public class SpringWebApplicationContextAccessor implements SpringApplicationContextAccessor { + private static Logger log = Logger.getLogger(SpringWebApplicationContextAccessor.class.getName()); + + public SpringWebApplicationContextAccessor(ExtensionPointRegistry registry) { + super(); + } + + public ApplicationContext getParentApplicationContext(RuntimeComponent component) { + ApplicationContext context = null; + Servlet servlet = component.getComponentContext().getCompositeContext().getAttribute(Servlet.class.getName()); + if (servlet instanceof FrameworkServlet) { + FrameworkServlet frameworkServlet = (FrameworkServlet)servlet; + context = frameworkServlet.getWebApplicationContext(); + if (context != null) { + log.info("Spring application context is found for servlet: " + frameworkServlet.getServletName()); + return context; + } + } + ServletContext servletContext = + component.getComponentContext().getCompositeContext().getAttribute(ServletContext.class.getName()); + if (servletContext != null) { + context = WebApplicationContextUtils.getWebApplicationContext(servletContext); + if (context == null) { + context = ApplicationContextAccessorBean.getInstance().getApplicationContext(); + } + } + + return context; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.spring.context.SpringApplicationContextAccessor b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.spring.context.SpringApplicationContextAccessor new file mode 100644 index 0000000000..506b02c782 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.spring.context.SpringApplicationContextAccessor @@ -0,0 +1,17 @@ +# 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. +org.apache.tuscany.sca.implementation.spring.webapp.SpringWebApplicationContextAccessor
\ No newline at end of file diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/org/apache/tuscany/sca/implementation/spring/webapp/spring-webapp-context.xml b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/org/apache/tuscany/sca/implementation/spring/webapp/spring-webapp-context.xml new file mode 100644 index 0000000000..b98374a88b --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-webapp/src/main/resources/org/apache/tuscany/sca/implementation/spring/webapp/spring-webapp-context.xml @@ -0,0 +1,29 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<beans xmlns="http://www.springframework.org/schema/beans" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> + + <bean id="tuscanySpringApplicationContextAccessor" + class="org.apache.tuscany.sca.implementation.spring.webapp.ApplicationContextAccessorBean" + scope="singleton" factory-method="getInstance"> + </bean> + +</beans> |