/**
* 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.
*/
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 1.5 2008/07/13 19:01:46 rlubke 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 && meta.isTargetInstanceOf(ActionSource2.class)) {
return new ActionListenerMapper2(attribute);
} else {
return new ActionListenerMapper(attribute);
}
}
}
return null;
}
}