/**
 * Licensed under the Common Development and Distribution License,
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.sun.com/cddl/
 *   
 * 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 com.sun.facelets.tag.jsf;

import javax.faces.component.ActionSource;
import javax.faces.component.ActionSource2;
import javax.faces.event.ActionEvent;
import javax.faces.event.MethodExpressionActionListener;

import com.sun.facelets.FaceletContext;
import com.sun.facelets.el.LegacyMethodBinding;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.Metadata;
import com.sun.facelets.tag.MetaRule;
import com.sun.facelets.tag.MetadataTarget;
import com.sun.facelets.util.FacesAPI;

/**
 * 
 * @author Jacob Hookom
 * @version $Id: ActionSourceRule.java,v 1.3 2006/03/29 04:10:02 jhook Exp $
 */
final class ActionSourceRule extends MetaRule {

    public final static Class[] ACTION_SIG = new Class[0];

    public final static Class[] ACTION_LISTENER_SIG = new Class[] { ActionEvent.class };

    final static class ActionMapper extends Metadata {

        private final TagAttribute attr;

        public ActionMapper(TagAttribute attr) {
            this.attr = attr;
        }

        public void applyMetadata(FaceletContext ctx, Object instance) {
            ((ActionSource) instance).setAction(new LegacyMethodBinding(
                    this.attr.getMethodExpression(ctx, String.class,
                            ActionSourceRule.ACTION_SIG)));
        }
    }

    final static class ActionMapper2 extends Metadata {

        private final TagAttribute attr;

        public ActionMapper2(TagAttribute attr) {
            this.attr = attr;
        }

        public void applyMetadata(FaceletContext ctx, Object instance) {
            ((ActionSource2) instance).setActionExpression(this.attr
                    .getMethodExpression(ctx, String.class,
                            ActionSourceRule.ACTION_SIG));
        }

    }

    final static class ActionListenerMapper extends Metadata {

        private final TagAttribute attr;

        public ActionListenerMapper(TagAttribute attr) {
            this.attr = attr;
        }

        public void applyMetadata(FaceletContext ctx, Object instance) {
            ((ActionSource) instance)
                    .setActionListener(new LegacyMethodBinding(this.attr
                            .getMethodExpression(ctx, null,
                                    ActionSourceRule.ACTION_LISTENER_SIG)));
        }

    }

    final static class ActionListenerMapper2 extends Metadata {

        private final TagAttribute attr;

        public ActionListenerMapper2(TagAttribute attr) {
            this.attr = attr;
        }

        public void applyMetadata(FaceletContext ctx, Object instance) {
            ((ActionSource2) instance)
                    .addActionListener(new MethodExpressionActionListener(
                            this.attr.getMethodExpression(ctx, null,
                                    ActionSourceRule.ACTION_LISTENER_SIG)));

        }

    }

    public final static ActionSourceRule Instance = new ActionSourceRule();

    public ActionSourceRule() {
        super();
    }

    public Metadata applyRule(String name, TagAttribute attribute,
            MetadataTarget meta) {
        if (meta.isTargetInstanceOf(ActionSource.class)) {

            boolean elSupport = FacesAPI.getComponentVersion(meta
                    .getTargetClass()) >= 12;

            if ("action".equals(name)) {
                if (elSupport && meta.isTargetInstanceOf(ActionSource2.class)) {
                    return new ActionMapper2(attribute);
                } else {
                    return new ActionMapper(attribute);
                }
            }

            if ("actionListener".equals(name)) {
                if (elSupport) {
                    return new ActionListenerMapper2(attribute);
                } else {
                    return new ActionListenerMapper(attribute);
                }
            }
        }
        return null;
    }
}

@@ -1129,35 +1129,36 @@
 v 1.
-3
+4
  200
-6/03/29 04:10:02 jhook
+7/06/15 18:08:44 rlubke
  Exp
@@ -4192,16 +4192,64 @@
 lSupport
+ && meta.isTargetInstanceOf(ActionSource2.class)
 ) %7B%0A    

Fix for issue 219. Patch from quilleashm 'AT' dev.java.net