svn commit: r451320 - in /incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp: ./ ScaWebApplicationContext.java

[jb...@apache.org]

Author: jboynes
Date: Fri Sep 29 08:03:38 2006
New Revision: 451320

URL: http://svn.apache.org/viewvc?view=rev&rev=451320
Log:
add ScaWebApplicationContext from Andy Piper TUSCANY-699

Added:
    incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/
    incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java   (with props)

Added: incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java?view=auto&rev=451320
==============================================================================
--- incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java (added)
+++ incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java Fri Sep 29 08:03:38 2006
@@ -0,0 +1,131 @@
+/*
+ * 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.container.spring.webapp;
+
+import java.net.URL;
+import java.io.File;
+import javax.servlet.ServletContext;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.core.io.Resource;
+import org.springframework.sca.ScaAdapterAware;
+import org.springframework.sca.ScaAdapterPostProcessor;
+import org.springframework.util.Assert;
+import org.springframework.web.context.ConfigurableWebApplicationContext;
+import org.springframework.web.context.support.XmlWebApplicationContext;
+
+import org.apache.tuscany.api.TuscanyRuntimeException;
+import org.apache.tuscany.container.spring.config.SCANamespaceHandlerResolver;
+import org.apache.tuscany.container.spring.impl.SpringScaAdapter;
+import org.apache.tuscany.container.spring.impl.SpringRuntimeInfo;
+import org.apache.tuscany.container.spring.model.SpringComponentType;
+import org.apache.tuscany.runtime.webapp.TuscanyContextListener;
+import org.apache.tuscany.runtime.webapp.WebappRuntime;
+import org.apache.tuscany.runtime.webapp.WebappUtil;
+import org.apache.tuscany.runtime.webapp.WebappUtilImpl;
+import org.apache.tuscany.core.launcher.LauncherImpl;
+
+/**
+ * WebApplicationContext implementation that understands SCA extensions.
+ * This class is not very complicated, the key issue is getting hold of a reference
+ * to the Tuscany runtime which the webapp is using.
+ *
+ * @author Andy Piper
+ */
+public class ScaWebApplicationContext extends XmlWebApplicationContext
+        implements ConfigurableWebApplicationContext {
+    private WebappRuntime runtime;
+    private SpringComponentType componentType;
+
+    public ScaWebApplicationContext() {
+    }
+
+    protected void initBeanDefinitionReader(XmlBeanDefinitionReader beanDefinitionReader) {
+//    beanDefinitionReader.setEntityResolver(null);
+        beanDefinitionReader
+                .setNamespaceHandlerResolver(new SCANamespaceHandlerResolver(getClassLoader(), componentType));
+    }
+
+    public Resource getResource(String location) {
+        Assert.notNull(location, "location is required");
+        return super.getResource(location);
+    }
+
+    /* (non-Javadoc)
+    * @see org.springframework.context.support.AbstractApplicationContext#postProcessBeanFactory(org.springframework.beans.factory.config.ConfigurableListableBeanFactory)
+    */
+    protected void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
+        super.postProcessBeanFactory(beanFactory);
+        beanFactory.addBeanPostProcessor(new ScaAdapterPostProcessor
+                (new SpringScaAdapter(componentType)));
+        beanFactory.ignoreDependencyInterface(ScaAdapterAware.class);
+    }
+
+    protected void onRefresh() {
+        if (runtime != null) { // egregious hack to prevent recursion in refresh()
+            return;
+        }
+        ServletContext servletContext = getServletContext();
+        WebappUtil utils = getUtils(servletContext);
+
+        try {
+            ClassLoader webappClassLoader = Thread.currentThread().getContextClassLoader();
+            ClassLoader bootClassLoader = utils.getBootClassLoader(webappClassLoader);
+            runtime = utils.getRuntime(bootClassLoader);
+            URL systemScdl = utils.getSystemScdl(bootClassLoader);
+            URL applicationScdl = utils.getApplicationScdl(webappClassLoader);
+
+            runtime.setServletContext(servletContext);
+            runtime.setHostClassLoader(webappClassLoader);
+            runtime.setSystemScdl(systemScdl);
+            runtime.setApplicationScdl(applicationScdl);
+            runtime.setRuntimeInfo(new SpringRuntimeInfo(getApplicationRootDirectory(), this));
+            runtime.initialize();
+        } catch (TuscanyRuntimeException e) {
+            servletContext.log(e.getMessage(), e);
+            throw e;
+        }
+    }
+
+    protected WebappUtil getUtils(ServletContext servletContext) {
+        return new WebappUtilImpl(servletContext);
+    }
+
+    protected void onClose() {
+        if (runtime != null) {
+            runtime.destroy();
+            runtime = null;
+        }
+    }
+
+    /**
+     * What does this do and why to we need it?
+     * @return
+     */
+    public File getApplicationRootDirectory() {
+        String property = System.getProperty("tuscany.applicationRootDir");
+        if (property != null) {
+            return new File(property);
+        }
+
+        return new File(System.getProperty("user.dir"));
+    }
+}

Propchange: incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java
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Propchange: incubator/tuscany/java/sca/services/containers/container.spring/src/main/java/org/apache/tuscany/container/spring/webapp/ScaWebApplicationContext.java
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