1 files changed, 194 insertions, 0 deletions
diff --git a/jetty-servlet/src/main/java/org/eclipse/jetty/servlet/FilterHolder.java b/jetty-servlet/src/main/java/org/eclipse/jetty/servlet/FilterHolder.java
new file mode 100644
index 0000000000..b855763410
--- /dev/null
+++ b/jetty-servlet/src/main/java/org/eclipse/jetty/servlet/FilterHolder.java
@@ -0,0 +1,194 @@
+// ========================================================================
+// Copyright (c) 1996-2009 Mort Bay Consulting Pty. Ltd.
+// ------------------------------------------------------------------------
+// All rights reserved. This program and the accompanying materials
+// are made available under the terms of the Eclipse Public License v1.0
+// and Apache License v2.0 which accompanies this distribution.
+// The Eclipse Public License is available at 
+// http://www.eclipse.org/legal/epl-v10.html
+// The Apache License v2.0 is available at
+// http://www.opensource.org/licenses/apache2.0.php
+// You may elect to redistribute this code under either of these licenses. 
+// ========================================================================
+
+package org.eclipse.jetty.servlet;
+
+import java.util.EnumSet;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.Filter;
+import javax.servlet.FilterConfig;
+import javax.servlet.FilterRegistration;
+
+import org.eclipse.jetty.util.log.Log;
+
+/* --------------------------------------------------------------------- */
+/** 
+ * 
+ */
+public class FilterHolder extends Holder
+{    
+    /* ------------------------------------------------------------ */
+    private transient Filter _filter;
+    private transient Config _config;
+        
+    /* ---------------------------------------------------------------- */
+    /** Constructor for Serialization.
+     */
+    public FilterHolder()
+    {
+    }   
+    
+    /* ---------------------------------------------------------------- */
+    /** Constructor for Serialization.
+     */
+    public FilterHolder(Class filter)
+    {
+        super (filter);
+    }
+
+    /* ---------------------------------------------------------------- */
+    /** Constructor for existing filter.
+     */
+    public FilterHolder(Filter filter)
+    {
+        setFilter(filter);
+    }
+    
+    /* ------------------------------------------------------------ */
+    public void doStart()
+        throws Exception
+    {
+        super.doStart();
+        
+        if (!javax.servlet.Filter.class
+            .isAssignableFrom(_class))
+        {
+            String msg = _class+" is not a javax.servlet.Filter";
+            super.stop();
+            throw new IllegalStateException(msg);
+        }
+
+        if (_filter==null)
+            _filter=(Filter)newInstance();
+        
+        _filter = getServletHandler().customizeFilter(_filter);
+        
+        _config=new Config();
+        _filter.init(_config);
+    }
+
+    /* ------------------------------------------------------------ */
+    public void doStop()
+    {      
+        if (_filter!=null)
+        {
+            try
+            {
+                destroyInstance(_filter);
+            }
+            catch (Exception e)
+            {
+                Log.warn(e);
+            }
+        }
+        if (!_extInstance)
+            _filter=null;
+        
+        _config=null;
+        super.doStop();   
+    }
+
+    /* ------------------------------------------------------------ */
+    public void destroyInstance (Object o)
+    throws Exception
+    {
+        if (o==null)
+            return;
+        Filter f = (Filter)o;
+        f.destroy();
+        getServletHandler().customizeFilterDestroy(f);
+    }
+
+    /* ------------------------------------------------------------ */
+    public synchronized void setFilter(Filter filter)
+    {
+        _filter=filter;
+        _extInstance=true;
+        setHeldClass(filter.getClass());
+        if (getName()==null)
+            setName(filter.getClass().getName());
+    }
+    
+    /* ------------------------------------------------------------ */
+    public Filter getFilter()
+    {
+        return _filter;
+    }
+
+    /* ------------------------------------------------------------ */
+    public String toString()
+    {
+        return getName();
+    }
+    
+
+    public FilterRegistration getRegistration()
+    {
+        return new Registration();
+    }
+    
+    /* ------------------------------------------------------------ */
+    /* ------------------------------------------------------------ */
+    /* ------------------------------------------------------------ */
+    protected class Registration extends HolderRegistration implements FilterRegistration
+    {
+        /* ------------------------------------------------------------ */
+        public boolean addMappingForServletNames(EnumSet<DispatcherType> dispatcherTypes, boolean isMatchAfter, String... servletNames)
+        {
+            illegalStateIfContextStarted();
+            FilterMapping mapping = new FilterMapping();
+            mapping.setFilterHolder(FilterHolder.this);
+            mapping.setServletNames(servletNames);
+            mapping.setDispatcherTypes(dispatcherTypes);
+            if (isMatchAfter)
+                _servletHandler.addFilterMapping(mapping);
+            else
+                _servletHandler.prependFilterMapping(mapping);
+
+            return true;
+        }
+
+        public boolean addMappingForUrlPatterns(EnumSet<DispatcherType> dispatcherTypes, boolean isMatchAfter, String... urlPatterns)
+        {
+            illegalStateIfContextStarted();
+            FilterMapping mapping = new FilterMapping();
+            mapping.setFilterHolder(FilterHolder.this);
+            mapping.setPathSpecs(urlPatterns);
+            mapping.setDispatcherTypes(dispatcherTypes);
+            if (isMatchAfter)
+                _servletHandler.addFilterMapping(mapping);
+            else
+                _servletHandler.prependFilterMapping(mapping);
+            return true;
+        }
+
+    }
+
+    /* ------------------------------------------------------------ */
+    /* ------------------------------------------------------------ */
+    /* ------------------------------------------------------------ */
+    class Config extends HolderConfig implements FilterConfig
+    {
+        /* ------------------------------------------------------------ */
+        public String getFilterName()
+        {
+            return _name;
+        }
+    }
+}
+
+
+
+
+