/*
* JBoss, Home of Professional Open Source
* Copyright ${year}, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.view.facelets.tag;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.MetaRule;
import javax.faces.view.facelets.Metadata;
import javax.faces.view.facelets.MetadataTarget;
import javax.faces.view.facelets.TagAttribute;
import org.richfaces.component.behavior.ClientBehavior;
/**
* @author Anton Belevich
*
*/
public class BehaviorRule extends MetaRule {
public static final BehaviorRule INSTANCE = new BehaviorRule();
public static final class LiteralAttributeMetadata extends Metadata {
private final String name;
private final String value;
public LiteralAttributeMetadata(String name, String value) {
this.value = value;
this.name = name;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((ClientBehavior) instance).setLiteralAttribute(this.name, this.value);
}
}
public static final class ValueExpressionMetadata extends Metadata {
private final String name;
private final TagAttribute attr;
private final Class<?> type;
public ValueExpressionMetadata(String name, Class<?> type, TagAttribute attr) {
this.name = name;
this.attr = attr;
this.type = type;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((ClientBehavior) instance).setValueExpression(this.name, this.attr.getValueExpression(ctx, this.type));
}
}
@Override
public Metadata applyRule(String name, TagAttribute attribute, MetadataTarget meta) {
if (meta.isTargetInstanceOf(ClientBehavior.class)) {
if (!attribute.isLiteral()) {
Class<?> type = meta.getPropertyType(name);
if (type == null) {
type = Object.class;
}
return new ValueExpressionMetadata(name, type, attribute);
} else if (meta != null && meta.getWriteMethod(name) != null) {
return new LiteralAttributeMetadata(name, attribute.getValue());
}
}
return null;
}
}