From bad1f71da1978610806427e2e2a2f96a2fb5b88e Mon Sep 17 00:00:00 2001 From: antelder Date: Thu, 12 Apr 2012 09:14:28 +0000 Subject: Tag 2.0 RC1 git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1325166 13f79535-47bb-0310-9956-ffa450edef68 --- .../webapp/ApplicationContextAccessorBean.java | 43 +++++++++++++++ .../SpringWebApplicationContextAccessor.java | 64 ++++++++++++++++++++++ 2 files changed, 107 insertions(+) create mode 100644 sca-java-2.x/tags/2.0-RC1/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/ApplicationContextAccessorBean.java create mode 100644 sca-java-2.x/tags/2.0-RC1/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/SpringWebApplicationContextAccessor.java (limited to 'sca-java-2.x/tags/2.0-RC1/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring') diff --git a/sca-java-2.x/tags/2.0-RC1/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/ApplicationContextAccessorBean.java b/sca-java-2.x/tags/2.0-RC1/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/tags/2.0-RC1/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/tags/2.0-RC1/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/implementation/spring/webapp/SpringWebApplicationContextAccessor.java b/sca-java-2.x/tags/2.0-RC1/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/tags/2.0-RC1/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; + } + +} -- cgit v1.2.3