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Posted to commits@myfaces.apache.org by lu...@apache.org on 2013/04/22 21:21:45 UTC

svn commit: r1470669 - in /myfaces/core/trunk: ./ impl/src/main/java/org/apache/myfaces/application/viewstate/ impl/src/main/java/org/apache/myfaces/view/facelets/ impl/src/main/java/org/apache/myfaces/view/facelets/compiler/ impl/src/main/java/org/apa...

Author: lu4242
Date: Mon Apr 22 19:21:44 2013
New Revision: 1470669

URL: http://svn.apache.org/r1470669
Log:
merge revisions 1469145-1470662 from 2.1.x branch

Added:
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/AbstractFaceletCache.java
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/view/facelets/AbstractFaceletCache.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/CacheELFaceletCacheImpl.java
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/view/facelets/impl/CacheELFaceletCacheImpl.java
    myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/el/CacheELExpressionsAlwaysRecompileTestCase.java
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/java/org/apache/myfaces/view/facelets/el/CacheELExpressionsAlwaysRecompileTestCase.java
    myfaces/core/trunk/impl/src/test/resources/org/apache/myfaces/view/facelets/el/includetagtest1.xhtml
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/resources/org/apache/myfaces/view/facelets/el/includetagtest1.xhtml
    myfaces/core/trunk/impl/src/test/resources/org/apache/myfaces/view/facelets/el/user.taglib.xml
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/resources/org/apache/myfaces/view/facelets/el/user.taglib.xml
    myfaces/core/trunk/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1.xhtml
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1.xhtml
    myfaces/core/trunk/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1_1.xhtml
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1_1.xhtml
    myfaces/core/trunk/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1_2.xhtml
      - copied unchanged from r1470662, myfaces/core/branches/2.1.x/impl/src/test/resources/org/apache/myfaces/view/facelets/el/usertagtest1_2.xhtml
Modified:
    myfaces/core/trunk/   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheImpl.java   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheImpl.java   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/SessionIdGenerator.java   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheFactoryImpl.java   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheUtils.java   (props changed)
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/ELExpressionCacheMode.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/FaceletFactory.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/TemplateContext.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/compiler/UILeaf.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/el/DefaultVariableMapper.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFacelet.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFaceletFactory.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/FaceletCacheFactoryImpl.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/TemplateContextImpl.java
    myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/tag/UserTagHandler.java
    myfaces/core/trunk/impl/src/main/resources/META-INF/faces-config20.vm   (props changed)
    myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheTest.java   (props changed)
    myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheTest.java   (props changed)
    myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/tag/ui/IncludeParamTestCase.java
    myfaces/core/trunk/parent/pom.xml   (props changed)
    myfaces/core/trunk/parent/src/   (props changed)
    myfaces/core/trunk/shared/   (props changed)
    myfaces/core/trunk/shared-public/pom.xml   (props changed)
    myfaces/core/trunk/shared-public/src/   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/AttachedDeltaWrapper.java   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/ComponentUtils.java   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/DebugUtils.java   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/RendererUtils.java   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/TagUtils.java   (props changed)
    myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/renderkit/   (props changed)

Propchange: myfaces/core/trunk/
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheImpl.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheImpl.java:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheImpl.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheImpl.java:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/SessionIdGenerator.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/application/viewstate/SessionIdGenerator.java:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheFactoryImpl.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheFactoryImpl.java:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheUtils.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/java/org/apache/myfaces/application/viewstate/StateCacheUtils.java:r1469145-1470662

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/ELExpressionCacheMode.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/ELExpressionCacheMode.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/ELExpressionCacheMode.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/ELExpressionCacheMode.java Mon Apr 22 19:21:44 2013
@@ -52,5 +52,16 @@ public enum ELExpressionCacheMode
      * Note if ui:param is used, each template call should define the same
      * param count, even if only just a few are used. 
      */
-    always
+    always,
+    
+    /**
+     * Does not cache expressions on these cases:
+     * - An expression uses a variable resolved through VariableMapper
+     * 
+     * It uses an alternate FaceletCache that implements AbstractFaceletCache
+     * contract and force recompile the facelet in case additional ui:param
+     * instances are detected.
+     * 
+     */
+    alwaysRecompile,
 }

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/FaceletFactory.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/FaceletFactory.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/FaceletFactory.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/FaceletFactory.java Mon Apr 22 19:21:44 2013
@@ -23,6 +23,7 @@ import javax.faces.FacesException;
 import javax.faces.view.facelets.FaceletException;
 import java.io.IOException;
 import java.net.URL;
+import javax.faces.view.facelets.FaceletContext;
 
 /**
  * FaceletFactory for producing Facelets relative to the context of the underlying implementation.
@@ -60,6 +61,23 @@ public abstract class FaceletFactory
      * @throws ELException
      */
     public abstract Facelet getFacelet(URL url) throws IOException, FaceletException, FacesException, ELException;
+
+    /**
+     * Create a Facelet from the passed URL, but take into account the context. This method is
+     * useful in cases where the facelet instance must replace the one in the cache based on 
+     * the context, instead take the one from the cache, like for example when the EL expression
+     * cache is used.
+     * 
+     * @param url
+     *            source url
+     * @return Facelet instance
+     * @throws IOException
+     * @throws FaceletException
+     * @throws FacesException
+     * @throws ELException
+     */
+    public abstract Facelet getFacelet(FaceletContext ctx, URL url) 
+        throws IOException, FaceletException, FacesException, ELException;    
     
     /**
      * Return a Facelet instance as specified by the file at the passed URI. The returned facelet is used

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/TemplateContext.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/TemplateContext.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/TemplateContext.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/TemplateContext.java Mon Apr 22 19:21:44 2013
@@ -20,6 +20,7 @@ package org.apache.myfaces.view.facelets
 
 import java.io.IOException;
 import java.util.Map;
+import java.util.Set;
 
 import javax.el.ELException;
 import javax.el.ValueExpression;
@@ -140,4 +141,43 @@ public abstract class TemplateContext
      * @return
      */
     public abstract void setAllowCacheELExpressions(boolean cacheELExpressions);
+    
+    /**
+     * 
+     * @since 2.1.12
+     * @param key
+     * @return 
+     */
+    public abstract boolean containsParameter(String key);
+    
+    /**
+     * Return a set of the parameters known associated to this template context and/or
+     * template. This logic is used to detect which EL Expressions can be cached or not.
+     * 
+     * @since 2.1.12
+     * @return 
+     */
+    public abstract Set<String> getKnownParameters();
+    
+    /**
+     * 
+     * @since 2.1.12
+     * @param key
+     * @return 
+     */
+    public abstract boolean containsKnownParameter(String key);
+    
+    /**
+     * 
+     * @since 2.1.12
+     * @return 
+     */
+    public abstract boolean isKnownParametersEmpty();
+    
+    /**
+     * 
+     * @since 2.1.12
+     * @param knownParameters 
+     */
+    public abstract void addKnownParameters(String knownParameters);
 }

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/compiler/UILeaf.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/compiler/UILeaf.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/compiler/UILeaf.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/compiler/UILeaf.java Mon Apr 22 19:21:44 2013
@@ -159,11 +159,14 @@ class UILeaf extends UIComponent impleme
     @Override
     public void setId(String id)
     {
-        isIdValid(id);
+        // UILeaf instance are just a wrapper for html markup. It never has 
+        // an user defined id. The validation check here is just useless, 
+        // because facelets algorithm ensures that.
+        //isIdValid(id);
         _id = id;
         _clientId = null;
     }
-    
+    /*
     private void isIdValid(String string)
     {
 
@@ -205,7 +208,7 @@ class UILeaf extends UIComponent impleme
                                                    + c + "\"");
             }
         }
-    }
+    }*/
     
     private String getComponentLocation(UIComponent component)
     {

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/el/DefaultVariableMapper.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/el/DefaultVariableMapper.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/el/DefaultVariableMapper.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/el/DefaultVariableMapper.java Mon Apr 22 19:21:44 2013
@@ -93,9 +93,10 @@ public final class DefaultVariableMapper
                 }
             }
             
-            if (_templateContext != null && !_templateContext.isParameterEmpty())
+            if (_templateContext != null)
             {
-                if (_templateContext.getParameterMap().containsKey(name))
+                if (!_templateContext.isParameterEmpty() &&
+                    _templateContext.containsParameter(name))
                 {
                     returnValue = _templateContext.getParameter(name);
                     if (_trackResolveVariables)
@@ -104,6 +105,21 @@ public final class DefaultVariableMapper
                     }
                     return returnValue;
                 }
+                else if (!_templateContext.isKnownParametersEmpty() &&
+                    _templateContext.containsKnownParameter(name))
+                {
+                    // This part is the most important in alwaysRecompile EL cache hack.
+                    // The idea is maintain a list of the parameters used in a template,
+                    // and if the name to be resolved match one of the list, even if the
+                    // param was not set it is necessary to track it as variable resolved.
+                    // This will force create a new EL expression each time the view is
+                    // built, preserving ui:param and VariableMapper behavior, but allow
+                    // cache all expressions that are not related.
+                    if (_trackResolveVariables)
+                    {
+                        _variableResolved = true;
+                    }
+                }
             }
             
             if (_delegate != null)

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFacelet.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFacelet.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFacelet.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFacelet.java Mon Apr 22 19:21:44 2013
@@ -462,7 +462,7 @@ final class DefaultFacelet extends Abstr
     public void include(AbstractFaceletContext ctx, UIComponent parent, URL url) throws IOException, FacesException,
             FaceletException, ELException
     {
-        DefaultFacelet f = (DefaultFacelet) _factory.getFacelet(url);
+        DefaultFacelet f = (DefaultFacelet) _factory.getFacelet(ctx, url);
         f.include(ctx, parent);
     }
     

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFaceletFactory.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFaceletFactory.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFaceletFactory.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/DefaultFaceletFactory.java Mon Apr 22 19:21:44 2013
@@ -34,11 +34,13 @@ import javax.faces.FacesException;
 import javax.faces.FactoryFinder;
 import javax.faces.view.facelets.FaceletCache;
 import javax.faces.view.facelets.FaceletCacheFactory;
+import javax.faces.view.facelets.FaceletContext;
 import javax.faces.view.facelets.FaceletException;
 import javax.faces.view.facelets.FaceletHandler;
 import javax.faces.view.facelets.ResourceResolver;
 
 import org.apache.myfaces.shared.resource.ResourceLoaderUtils;
+import org.apache.myfaces.view.facelets.AbstractFaceletCache;
 import org.apache.myfaces.view.facelets.Facelet;
 import org.apache.myfaces.view.facelets.FaceletFactory;
 import org.apache.myfaces.view.facelets.compiler.Compiler;
@@ -75,6 +77,7 @@ public final class DefaultFaceletFactory
     private javax.faces.view.facelets.ResourceResolver _resolver;
     
     private FaceletCache<Facelet> _faceletCache;
+    private AbstractFaceletCache<Facelet> _abstractFaceletCache;
     
     public DefaultFaceletFactory(Compiler compiler, ResourceResolver resolver) throws IOException
     {
@@ -122,22 +125,55 @@ public final class DefaultFaceletFactory
             }
         };
         
-        // Note that FaceletCache.setMemberFactories method is protected, and this is the place where call
-        // this method has sense, because DefaultFaceletFactory is the responsible to create Facelet instances.
-        // The only way to do it is using reflection, and it has sense, because in this way it is possible to
-        // setup a java SecurityManager that prevents call this method (because it is protected, and to do that
-        // the code first check for "suppressAccessChecks" permission).
-        try
+        if (_faceletCache instanceof AbstractFaceletCache)
         {
-            Method setMemberFactoriesMethod = FaceletCache.class.getDeclaredMethod("setMemberFactories",
-                    new Class[]{FaceletCache.MemberFactory.class, FaceletCache.MemberFactory.class});
-            setMemberFactoriesMethod.setAccessible(true);
-            setMemberFactoriesMethod.invoke(_faceletCache, faceletFactory, viewMetadataFaceletFactory);
-        } 
-        catch (Exception e)
+            _abstractFaceletCache = (AbstractFaceletCache<Facelet>) _faceletCache;
+            
+            FaceletCache.MemberFactory<Facelet> compositeComponentMetadataFaceletFactory = 
+                new FaceletCache.MemberFactory<Facelet>()
+            {
+                public Facelet newInstance(URL url) throws IOException
+                {
+                    return _createCompositeComponentMetadataFacelet(url);
+                }
+            };
+
+            try
+            {
+                Method setMemberFactoriesMethod = AbstractFaceletCache.class.getDeclaredMethod("setMemberFactories",
+                        new Class[]{FaceletCache.MemberFactory.class, FaceletCache.MemberFactory.class, 
+                                    FaceletCache.MemberFactory.class});
+                setMemberFactoriesMethod.setAccessible(true);
+                setMemberFactoriesMethod.invoke(_faceletCache, faceletFactory, viewMetadataFaceletFactory, 
+                    compositeComponentMetadataFaceletFactory);
+            } 
+            catch (Exception e)
+            {
+                throw new FacesException(
+                    "Cannot call setMemberFactories method, Initialization of FaceletCache failed.",
+                                         e);
+            }   
+        }
+        else
         {
-            throw new FacesException("Cannot call setMemberFactories method, Initialization of FaceletCache failed.",
-                                     e);
+            // Note that FaceletCache.setMemberFactories method is protected, and this is the place where call
+            // this method has sense, because DefaultFaceletFactory is the responsible to create Facelet instances.
+            // The only way to do it is using reflection, and it has sense, because in this way it is possible to
+            // setup a java SecurityManager that prevents call this method (because it is protected, and to do that
+            // the code first check for "suppressAccessChecks" permission).
+            try
+            {
+                Method setMemberFactoriesMethod = FaceletCache.class.getDeclaredMethod("setMemberFactories",
+                        new Class[]{FaceletCache.MemberFactory.class, FaceletCache.MemberFactory.class});
+                setMemberFactoriesMethod.setAccessible(true);
+                setMemberFactoriesMethod.invoke(_faceletCache, faceletFactory, viewMetadataFaceletFactory);
+            } 
+            catch (Exception e)
+            {
+                throw new FacesException(
+                    "Cannot call setMemberFactories method, Initialization of FaceletCache failed.",
+                                         e);
+            }            
         }
 
         if (log.isLoggable(Level.FINE))
@@ -162,6 +198,7 @@ public final class DefaultFaceletFactory
      * 
      * @see org.apache.myfaces.view.facelets.FaceletFactory#getFacelet(java.lang.String)
      */
+    @Override
     public Facelet getFacelet(String uri) throws IOException, FaceletException, FacesException, ELException
     {
         URL url = (URL) _relativeLocations.get(uri);
@@ -194,10 +231,26 @@ public final class DefaultFaceletFactory
      * @throws FacesException
      * @throws ELException
      */
+    @Override
     public Facelet getFacelet(URL url) throws IOException, FaceletException, FacesException, ELException
     {
         return _faceletCache.getFacelet(url);
     }
+    
+    
+    @Override
+    public Facelet getFacelet(FaceletContext ctx, URL url) 
+            throws IOException, FaceletException, FacesException, ELException
+    {
+        if (_abstractFaceletCache != null)
+        {
+            return _abstractFaceletCache.getFacelet(ctx, url);
+        }
+        else
+        {
+            return _faceletCache.getFacelet(url);
+        }
+    }
 
     public long getRefreshPeriod()
     {
@@ -408,7 +461,14 @@ public final class DefaultFaceletFactory
     public Facelet getViewMetadataFacelet(URL url) throws IOException,
             FaceletException, FacesException, ELException
     {
-        return _faceletCache.getViewMetadataFacelet(url);
+        if (_abstractFaceletCache != null)
+        {
+            return _abstractFaceletCache.getViewMetadataFacelet(url);
+        }
+        else
+        {
+            return _faceletCache.getViewMetadataFacelet(url);
+        }
     }
     
     /**
@@ -444,25 +504,31 @@ public final class DefaultFaceletFactory
     public Facelet getCompositeComponentMetadataFacelet(URL url) throws IOException,
             FaceletException, FacesException, ELException
     {
-        ParameterCheck.notNull("url", url);
-        
-        String key = url.toString();
-        
-        DefaultFacelet f = _compositeComponentMetadataFacelets.get(key);
-        
-        if (f == null || this.needsToBeRefreshed(f))
+        if (_abstractFaceletCache != null)
         {
-            f = this._createCompositeComponentMetadataFacelet(url);
-            if (_refreshPeriod != NO_CACHE_DELAY)
+            return _abstractFaceletCache.getCompositeComponentMetadataFacelet(url);
+        }
+        else
+        {
+            ParameterCheck.notNull("url", url);
+
+            String key = url.toString();
+
+            DefaultFacelet f = _compositeComponentMetadataFacelets.get(key);
+
+            if (f == null || this.needsToBeRefreshed(f))
             {
-                Map<String, DefaultFacelet> newLoc
-                        = new HashMap<String, DefaultFacelet>(_compositeComponentMetadataFacelets);
-                newLoc.put(key, f);
-                _compositeComponentMetadataFacelets = newLoc;
+                f = this._createCompositeComponentMetadataFacelet(url);
+                if (_refreshPeriod != NO_CACHE_DELAY)
+                {
+                    Map<String, DefaultFacelet> newLoc
+                            = new HashMap<String, DefaultFacelet>(_compositeComponentMetadataFacelets);
+                    newLoc.put(key, f);
+                    _compositeComponentMetadataFacelets = newLoc;
+                }
             }
+            return f;
         }
-        
-        return f;
     }
 
     /**

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/FaceletCacheFactoryImpl.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/FaceletCacheFactoryImpl.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/FaceletCacheFactoryImpl.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/FaceletCacheFactoryImpl.java Mon Apr 22 19:21:44 2013
@@ -25,6 +25,7 @@ import javax.faces.view.facelets.Facelet
 import javax.faces.view.facelets.FaceletCacheFactory;
 
 import org.apache.myfaces.shared.util.WebConfigParamUtils;
+import org.apache.myfaces.view.facelets.ELExpressionCacheMode;
 import org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage;
 
 /**
@@ -59,7 +60,19 @@ public class FaceletCacheFactoryImpl ext
                     FaceletViewDeclarationLanguage.DEFAULT_REFRESH_PERIOD);
         }
         
-        return new FaceletCacheImpl(refreshPeriod);
+        String elMode = WebConfigParamUtils.getStringInitParameter(
+                    context.getExternalContext(),
+                    FaceletCompositionContextImpl.INIT_PARAM_CACHE_EL_EXPRESSIONS, 
+                        ELExpressionCacheMode.noCache.name());
+        
+        if (ELExpressionCacheMode.alwaysRecompile.toString().equals(elMode))
+        {
+            return new CacheELFaceletCacheImpl(refreshPeriod);
+        }
+        else
+        {
+            return new FaceletCacheImpl(refreshPeriod);
+        }
     }
 
 }

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/TemplateContextImpl.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/TemplateContextImpl.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/TemplateContextImpl.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/impl/TemplateContextImpl.java Mon Apr 22 19:21:44 2013
@@ -19,12 +19,12 @@
 package org.apache.myfaces.view.facelets.impl;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedList;
+import java.util.List;
 import java.util.Map;
 import java.util.NoSuchElementException;
 import java.util.Set;
@@ -63,18 +63,22 @@ public class TemplateContextImpl extends
      */
     private static final PageContext INITIAL_PAGE_CONTEXT = new InitialPageContext();
     
-    private final LinkedList<TemplateManagerImpl> _clients;
+    private final List<TemplateManagerImpl> _clients;
     
     private TemplateManager _compositeComponentClient;
     
     private TemplateManagerImpl _lastClient;
     
     private boolean _isCacheELExpressions;
+    
+    private final TemplateClientAttributeMap _templateClientAttributeMap;
+    
+    private final TemplateClientKnownParameterMap _templateClientKnownParameterMap;
 
     public TemplateContextImpl()
     {
         super();
-        _clients = new LinkedList<TemplateManagerImpl>();
+        _clients = new ArrayList<TemplateManagerImpl>(4);
         // Parameters registered using ui:param now are bound to template manager instances, because
         // it should follow the same rules as template clients registered here. For example, to resolve
         // params on nested ui:decorate and ui:composition the same rules applies than for ui:define and
@@ -82,36 +86,38 @@ public class TemplateContextImpl extends
         // page context, so when a new context is added (like in a ui:include), all params registered go 
         // to this manager. 
         _clients.add(new TemplateManagerImpl(null, INITIAL_TEMPLATE_CLIENT, true, INITIAL_PAGE_CONTEXT));
-        _lastClient = _clients.getFirst();
+        _lastClient = _clients.get(0); //_clients.getFirst();
         _isCacheELExpressions = true;
+        _templateClientAttributeMap = new TemplateClientAttributeMap();
+        _templateClientKnownParameterMap = new TemplateClientKnownParameterMap();
     }
 
     @Override
     public TemplateManager popClient(final AbstractFaceletContext actx)
     {
         _lastClient = null;
-        return _clients.removeFirst();
+        return _clients.remove(0);
     }
 
     @Override
     public void pushClient(final AbstractFaceletContext actx, final AbstractFacelet owner, final TemplateClient client)
     {
-        _clients.addFirst(new TemplateManagerImpl(owner, client, true, actx.getPageContext()));
-        _lastClient = _clients.getFirst();
+        _clients.add(0, new TemplateManagerImpl(owner, client, true, actx.getPageContext()));
+        _lastClient = _clients.get(0);
     }
 
     public TemplateManager popExtendedClient(final AbstractFaceletContext actx)
     {
         _lastClient = null;
-        return _clients.removeLast();
+        return _clients.remove(_clients.size()-1);
     }
     
     @Override
     public void extendClient(final AbstractFaceletContext actx, final AbstractFacelet owner,
                              final TemplateClient client)
     {
-        _clients.addLast(new TemplateManagerImpl(owner, client, false, actx.getPageContext()));
-        _lastClient = _clients.getLast();
+        _clients.add(new TemplateManagerImpl(owner, client, false, actx.getPageContext()));
+        _lastClient = _clients.get(_clients.size()-1);
     }
 
     @Override
@@ -120,10 +126,9 @@ public class TemplateContextImpl extends
     {
         boolean found = false;
         TemplateManager client;
-        Iterator<TemplateManagerImpl> itr = _clients.iterator();
-        while (itr.hasNext() && !found)
+        for (int i = 0; i < _clients.size() && !found; i++)
         {
-            client = itr.next();
+            client = _clients.get(i);
             if (client.equals(owner))
             {
                 continue;
@@ -146,6 +151,8 @@ public class TemplateContextImpl extends
         private final PageContext _pageContext;
         
         private Map<String, ValueExpression> _parameters = null;
+        
+        private Set<String> _knownParameters;
 
         public TemplateManagerImpl(AbstractFacelet owner, TemplateClient target,
                 boolean root, PageContext pageContext)
@@ -206,11 +213,25 @@ public class TemplateContextImpl extends
             return _parameters;
         }
         
-        public boolean isParamentersMapEmpty()
+        public boolean isParametersMapEmpty()
         {
             return _parameters == null ? true : _parameters.isEmpty();
         }
 
+        public Set<String> getKnownParameters()
+        {
+            if (_knownParameters == null)
+            {
+                _knownParameters = new HashSet<String>(4);
+            }
+            return _knownParameters;
+        }
+        
+        public boolean isKnownParametersEmpty()
+        {
+            return _knownParameters == null ? true : _knownParameters.isEmpty();
+        }
+        
         public boolean equals(Object o)
         {
             if (this._owner != null)
@@ -254,11 +275,10 @@ public class TemplateContextImpl extends
     public ValueExpression getParameter(String key)
     {
         TemplateManagerImpl client;
-        Iterator<TemplateManagerImpl> itr = _clients.iterator();
-        while (itr.hasNext())
+        for (int i = 0; i < _clients.size(); i++)
         {
-            client = itr.next();
-            if (!client.isParamentersMapEmpty() &&
+            client = _clients.get(i);
+            if (!client.isParametersMapEmpty() &&
                  client.getParametersMap().containsKey(key))
             {
                 return client.getParametersMap().get(key);
@@ -268,11 +288,28 @@ public class TemplateContextImpl extends
     }
 
     @Override
+    public boolean containsParameter(String key)
+    {
+        TemplateManagerImpl client;
+        for (int i = 0; i < _clients.size(); i++)
+        {
+            client = _clients.get(i);
+            if (!client.isParametersMapEmpty() &&
+                client.getParametersMap().containsKey(key))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
     public void setParameter(String key, ValueExpression value)
     {
         if (_lastClient != null)
         {
             _lastClient.getParametersMap().put(key, value);
+            _lastClient.getKnownParameters().add(key);
         }
     }
 
@@ -280,11 +317,10 @@ public class TemplateContextImpl extends
     public boolean isParameterEmpty()
     {
         TemplateManagerImpl client;
-        Iterator<TemplateManagerImpl> itr = _clients.iterator();
-        while (itr.hasNext())
+        for (int i = 0; i < _clients.size(); i++)
         {
-            client = itr.next();
-            if (!client.isParamentersMapEmpty())
+            client = _clients.get(i);
+            if (!client.isParametersMapEmpty())
             {
                 return false;
             }
@@ -294,7 +330,50 @@ public class TemplateContextImpl extends
     
     public Map<String, ValueExpression> getParameterMap()
     {
-        return new TemplateClientAttributeMap();
+        return _templateClientAttributeMap;
+    }
+    
+    public boolean isKnownParametersEmpty()
+    {
+        TemplateManagerImpl client;
+        for (int i = 0; i < _clients.size(); i++)
+        {
+            client = _clients.get(i);
+            if (!client.isKnownParametersEmpty())
+            {
+                return false;
+            }
+        }
+        return true;
+    }
+    
+    public Set<String> getKnownParameters()
+    {
+        return _templateClientKnownParameterMap.keySet();
+    }
+    
+    @Override
+    public boolean containsKnownParameter(String key)
+    {
+        TemplateManagerImpl client;
+        for (int i = 0; i < _clients.size(); i++)
+        {
+            client = _clients.get(i);
+            if (client.getKnownParameters().contains(key))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+    
+    @Override
+    public void addKnownParameters(String key)
+    {
+        if (_lastClient != null)
+        {        
+            _lastClient.getKnownParameters().add(key);
+        }
     }
 
     private final class TemplateClientAttributeMap extends AbstractAttributeMap<ValueExpression>
@@ -308,11 +387,10 @@ public class TemplateContextImpl extends
         protected ValueExpression getAttribute(String key)
         {
             TemplateManagerImpl client;
-            Iterator<TemplateManagerImpl> itr = _clients.iterator();
-            while (itr.hasNext())
+            for (int i = 0; i < _clients.size(); i++)
             {
-                client = itr.next();
-                if (!client.isParamentersMapEmpty() &&
+                client = _clients.get(i);
+                if (!client.isParametersMapEmpty() &&
                      client.getParametersMap().containsKey(key))
                 {
                     return client.getParametersMap().get(key);
@@ -324,19 +402,14 @@ public class TemplateContextImpl extends
         @Override
         protected void setAttribute(String key, ValueExpression value)
         {
-            if (_lastClient != null)
-            {
-                _lastClient.getParametersMap().put(key, value);
-            }
+            //Use the parent methods.
+            throw new UnsupportedOperationException();
         }
 
         @Override
         protected void removeAttribute(String key)
         {
-            if (_lastClient != null)
-            {
-                _lastClient.getParametersMap().remove(key);
-            }
+            throw new UnsupportedOperationException();
         }
 
         @Override
@@ -344,11 +417,10 @@ public class TemplateContextImpl extends
         {
             Set<String> attributeNames = new HashSet<String>();
             TemplateManagerImpl client;
-            Iterator<TemplateManagerImpl> itr = _clients.iterator();
-            while (itr.hasNext())
+            for (int i = 0; i < _clients.size(); i++)
             {
-                client = itr.next();
-                if (!client.isParamentersMapEmpty())
+                client = _clients.get(i);
+                if (!client.isParametersMapEmpty())
                 {
                     attributeNames.addAll(client.getParametersMap().keySet());
                 }
@@ -385,6 +457,59 @@ public class TemplateContextImpl extends
         }
     }
     
+    private final class TemplateClientKnownParameterMap extends AbstractAttributeMap<Boolean>
+    {
+
+        public TemplateClientKnownParameterMap()
+        {
+        }
+        
+        @Override
+        protected Boolean getAttribute(String key)
+        {
+            TemplateManagerImpl client;
+            for (int i = 0; i < _clients.size(); i++)
+            {
+                client = _clients.get(i);
+                if (!client.isKnownParametersEmpty() &&
+                     client.getKnownParameters().contains(key))
+                {
+                    return Boolean.TRUE;
+                }
+            }
+            return null;
+        }
+
+        @Override
+        protected void setAttribute(String key, Boolean value)
+        {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        protected void removeAttribute(String key)
+        {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        protected Enumeration<String> getAttributeNames()
+        {
+            Set<String> attributeNames = new HashSet<String>();
+            TemplateManagerImpl client;
+            for (int i = 0; i < _clients.size(); i++)
+            {
+                client = _clients.get(i);
+                if (!client.isParametersMapEmpty())
+                {
+                    attributeNames.addAll(client.getParametersMap().keySet());
+                }
+            }
+            
+            return new ParameterNameEnumeration(attributeNames.toArray(new String[attributeNames.size()]));
+        }
+    }    
+    
     /**
      * This is just a dummy template client that does nothing that is added by default
      * for each template context 
@@ -446,5 +571,4 @@ public class TemplateContextImpl extends
         _isCacheELExpressions = cacheELExpressions;
     }
     
-    
 }

Modified: myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/tag/UserTagHandler.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/tag/UserTagHandler.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/tag/UserTagHandler.java (original)
+++ myfaces/core/trunk/impl/src/main/java/org/apache/myfaces/view/facelets/tag/UserTagHandler.java Mon Apr 22 19:21:44 2013
@@ -37,6 +37,7 @@ import javax.faces.view.facelets.TagExce
 import javax.faces.view.facelets.TagHandler;
 
 import org.apache.myfaces.view.facelets.AbstractFaceletContext;
+import org.apache.myfaces.view.facelets.ELExpressionCacheMode;
 import org.apache.myfaces.view.facelets.TemplateClient;
 import org.apache.myfaces.view.facelets.TemplateContext;
 import org.apache.myfaces.view.facelets.impl.TemplateContextImpl;
@@ -111,6 +112,7 @@ final class UserTagHandler extends TagHa
                 }
             }
             actx.pushTemplateContext(new TemplateContextImpl());
+            actx.pushClient(this);
             if (this._vars.length > 0)
             {
                 for (int i = 0; i < this._vars.length; i++)
@@ -118,9 +120,12 @@ final class UserTagHandler extends TagHa
                     ((AbstractFaceletContext) ctx).getTemplateContext().setParameter(names[i], values[i]);
                 }
             }
-            //Disable caching always, even in 'always' mode
-            actx.getTemplateContext().setAllowCacheELExpressions(false);
-            actx.pushClient(this);
+            // Disable caching always, even in 'always' mode
+            // The only mode that can support EL caching in this condition is alwaysRedirect.
+            if (!ELExpressionCacheMode.alwaysRecompile.equals(actx.getELExpressionCacheMode()))
+            {
+                actx.getTemplateContext().setAllowCacheELExpressions(false);
+            }
             ctx.includeFacelet(parent, this._location);
         }
         catch (FileNotFoundException e)

Propchange: myfaces/core/trunk/impl/src/main/resources/META-INF/faces-config20.vm
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/main/resources/META-INF/faces-config20.vm:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheTest.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/test/java/org/apache/myfaces/application/viewstate/ClientSideStateCacheTest.java:r1469145-1470662

Propchange: myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheTest.java
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/impl/src/test/java/org/apache/myfaces/application/viewstate/ServerSideStateCacheTest.java:r1469145-1470662

Modified: myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/tag/ui/IncludeParamTestCase.java
URL: http://svn.apache.org/viewvc/myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/tag/ui/IncludeParamTestCase.java?rev=1470669&r1=1470668&r2=1470669&view=diff
==============================================================================
--- myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/tag/ui/IncludeParamTestCase.java (original)
+++ myfaces/core/trunk/impl/src/test/java/org/apache/myfaces/view/facelets/tag/ui/IncludeParamTestCase.java Mon Apr 22 19:21:44 2013
@@ -32,7 +32,9 @@ import org.apache.myfaces.renderkit.html
 import org.apache.myfaces.renderkit.html.HtmlCompositeFacetRenderer;
 import org.apache.myfaces.renderkit.html.HtmlTextRenderer;
 import org.apache.myfaces.test.mock.MockExternalContext;
+import org.apache.myfaces.view.facelets.ELExpressionCacheMode;
 import org.apache.myfaces.view.facelets.FaceletTestCase;
+import org.apache.myfaces.view.facelets.impl.FaceletCompositionContextImpl;
 import org.apache.myfaces.view.facelets.tag.jsf.ComponentSupport;
 import org.apache.myfaces.view.facelets.util.FastWriter;
 import org.junit.Assert;
@@ -77,7 +79,7 @@ public class IncludeParamTestCase extend
         // handle VariableMapper stuff properly and ui:param logic will not work
         return new org.apache.el.ExpressionFactoryImpl();
     }
-    
+
     @Test
     public void testCaching() throws Exception
     {

Propchange: myfaces/core/trunk/parent/pom.xml
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/parent/pom.xml:r1469145-1470662

Propchange: myfaces/core/trunk/parent/src/
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/parent/src:r1469145-1470662

Propchange: myfaces/core/trunk/shared/
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/shared:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/pom.xml
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/shared-public/pom.xml:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/
------------------------------------------------------------------------------
  Merged /myfaces/core/branches/2.1.x/shared-public/src:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/AttachedDeltaWrapper.java
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/AttachedDeltaWrapper.java:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/ComponentUtils.java
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/ComponentUtils.java:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/DebugUtils.java
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/DebugUtils.java:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/RendererUtils.java
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/RendererUtils.java:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/TagUtils.java
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/TagUtils.java:r1469145-1470662

Propchange: myfaces/core/trunk/shared-public/src/main/java/org/apache/myfaces/shared/util/renderkit/
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  Merged /myfaces/core/branches/2.1.x/shared-public/src/main/java/org/apache/myfaces/shared/util/renderkit:r1469145-1470662