[Openutils-svn] SF.net SVN: openutils: [275] trunk/openutils-spring/src/main/java/it/ openutils/spring

[<fg...@us...>]

Revision: 275
          http://svn.sourceforge.net/openutils/?rev=275&view=rev
Author:   fgiust
Date:     2007-02-19 09:13:52 -0800 (Mon, 19 Feb 2007)

Log Message:
-----------
new WebApplicationContextListener for thread local access to string context

Added Paths:
-----------
    trunk/openutils-spring/src/main/java/it/openutils/spring/context/
    trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextHolder.java
    trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextListener.java

Added: trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextHolder.java
===================================================================
--- trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextHolder.java	                        (rev 0)
+++ trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextHolder.java	2007-02-19 17:13:52 UTC (rev 275)
@@ -0,0 +1,44 @@
+package it.openutils.spring.context;
+
+import org.springframework.web.context.WebApplicationContext;
+
+
+/**
+ * Holder class to expose the web application context in the form of a thread-bound {@link WebApplicationContext}
+ * object.
+ * <p>
+ * Use {@link WebApplicationContextListener} to expose the current application context.
+ * @author Fabrizio Giustina
+ * @version $Id$
+ */
+public final class WebApplicationContextHolder
+{
+
+    private static ThreadLocal<WebApplicationContext> tl = new ThreadLocal<WebApplicationContext>();
+
+    /**
+     * Don't instantiate.
+     */
+    private WebApplicationContextHolder()
+    {
+        // unused
+    }
+
+    /**
+     * Returns the thread-bound WebApplicationContext.
+     * @return WebApplicationContext
+     */
+    public static WebApplicationContext get()
+    {
+        return tl.get();
+    }
+
+    /**
+     * Bind a WebApplicationContext to the current thread.
+     * @param webApplicationContext WebApplicationContext
+     */
+    public static void set(WebApplicationContext webApplicationContext)
+    {
+        tl.set(webApplicationContext);
+    }
+}


Property changes on: trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextHolder.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native

Added: trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextListener.java
===================================================================
--- trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextListener.java	                        (rev 0)
+++ trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextListener.java	2007-02-19 17:13:52 UTC (rev 275)
@@ -0,0 +1,36 @@
+package it.openutils.spring.context;
+
+import javax.servlet.ServletRequestEvent;
+import javax.servlet.ServletRequestListener;
+
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
+
+
+/**
+ * Listener for Servlet 2.4+ containers. Exposes the web application context to the current thread, through
+ * WebApplicationContextHolder. To be registered as listener in <code>web.xml</code>.
+ * @author Fabrizio Giustina
+ * @version $Id$
+ */
+public class WebApplicationContextListener implements ServletRequestListener
+{
+
+    /**
+     * {@inheritDoc}
+     */
+    public void requestInitialized(ServletRequestEvent sre)
+    {
+        WebApplicationContext wac = WebApplicationContextUtils.getWebApplicationContext(sre.getServletContext());
+        WebApplicationContextHolder.set(wac);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public void requestDestroyed(ServletRequestEvent sre)
+    {
+        WebApplicationContextHolder.set(null);
+    }
+
+}


Property changes on: trunk/openutils-spring/src/main/java/it/openutils/spring/context/WebApplicationContextListener.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.