svn commit: r419044 - in /maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter: ./ FilterToComponentProxy.java

[ev...@apache.org]

Author: evenisse
Date: Tue Jul  4 09:10:04 2006
New Revision: 419044

URL: http://svn.apache.org/viewvc?rev=419044&view=rev
Log:
Add a basic filter that load a plexus component

Added:
    maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/
    maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java   (with props)

Added: maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java
URL: http://svn.apache.org/viewvc/maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java?rev=419044&view=auto
==============================================================================
--- maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java (added)
+++ maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java Tue Jul  4 09:10:04 2006
@@ -0,0 +1,85 @@
+package org.apache.maven.continuum.web.filter;
+
+/*
+ * Copyright 2004-2006 The Apache Software Foundation.
+ *
+ * Licensed 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.
+ */
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.codehaus.plexus.PlexusContainer;
+import org.codehaus.plexus.xwork.PlexusLifecycleListener;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import java.io.IOException;
+
+/**
+ * @author Emmanuel Venisse (evenisse at apache dot org)
+ */
+public class FilterToComponentProxy
+    implements Filter
+{
+    private static final Log log = LogFactory.getLog( FilterToComponentProxy.class );
+
+    private ServletContext ctx;
+
+    private String componentName;
+
+    public void init( FilterConfig filterConfig )
+        throws ServletException
+    {
+        ctx = filterConfig.getServletContext();
+
+        if (filterConfig != null)
+        {
+            String param = filterConfig.getInitParameter( "component" );
+
+            if ( param != null)
+            {
+                componentName = param;
+            }
+            else
+            {
+                throw new ServletException( this.getClass().getName() + " require a \"component\" init-param." );
+            }
+        }
+    }
+
+    public void doFilter( ServletRequest req, ServletResponse res, FilterChain chain )
+        throws IOException, ServletException
+    {
+        PlexusContainer container = (PlexusContainer) ctx.getAttribute( PlexusLifecycleListener.KEY );
+
+        try
+        {
+            Object component = container.lookup( componentName );
+        }
+        catch ( Exception e )
+        {
+            //DO SOMETHING
+        }
+
+        chain.doFilter( req, res );
+    }
+
+    public void destroy()
+    {
+    }
+}

Propchange: maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java
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Propchange: maven/continuum/branches/continuum-acegi/continuum-webapp/src/main/java/org/apache/maven/continuum/web/filter/FilterToComponentProxy.java
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