/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.myfaces.custom.date;
import javax.faces.component.UIComponent;
import org.apache.myfaces.custom.calendar.DateBusinessConverter;
import org.apache.myfaces.shared_tomahawk.util.ClassUtils;
import com.sun.facelets.FaceletContext;
import com.sun.facelets.el.LegacyValueBinding;
import com.sun.facelets.tag.MetaRule;
import com.sun.facelets.tag.MetaRuleset;
import com.sun.facelets.tag.Metadata;
import com.sun.facelets.tag.MetadataTarget;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.jsf.ComponentConfig;
import com.sun.facelets.tag.jsf.html.HtmlComponentHandler;
/**
*
* @since 1.1.10
* @author Leonardo Uribe (latest modification by $Author: lu4242 $)
* @version $Revision: 691856 $ $Date: 2008-09-03 21:40:30 -0500 (mié, 03 sep 2008) $
*/
public class HtmlInputDateTagHandler extends HtmlComponentHandler
{
public HtmlInputDateTagHandler(ComponentConfig config)
{
super(config);
}
protected MetaRuleset createMetaRuleset(Class type)
{
MetaRuleset m = super.createMetaRuleset(type);
m.addRule(DateBusinessConverterRule.INSTANCE);
return m;
}
public static class DateBusinessConverterRule extends MetaRule
{
public final static DateBusinessConverterRule INSTANCE = new DateBusinessConverterRule();
final static class LiteralConverterMetadata extends Metadata
{
private final Class dateBusinessConverterClass;
public LiteralConverterMetadata(String dateBusinessConverterClass)
{
try
{
this.dateBusinessConverterClass = ClassUtils
.classForName(dateBusinessConverterClass);
}
catch(ClassNotFoundException e)
{
throw new IllegalArgumentException("Class referenced in calendarConverter not found: "+dateBusinessConverterClass);
}
catch(ClassCastException e)
{
throw new IllegalArgumentException("Class referenced in calendarConverter is not instance of org.apache.myfaces.custom.calendar.CalendarConverter: "+dateBusinessConverterClass);
}
}
public void applyMetadata(FaceletContext ctx, Object instance)
{
((AbstractHtmlInputDate) instance)
.setDateBusinessConverter((DateBusinessConverter) ClassUtils
.newInstance(dateBusinessConverterClass));
}
}
final static class DynamicConverterMetadata extends Metadata
{
private final TagAttribute attr;
public DynamicConverterMetadata(TagAttribute attr)
{
this.attr = attr;
}
public void applyMetadata(FaceletContext ctx, Object instance)
{
((UIComponent) instance).setValueBinding("dateBusinessConverter",
new LegacyValueBinding(attr.getValueExpression(ctx,
DateBusinessConverter.class)));
}
}
public Metadata applyRule(String name, TagAttribute attribute,
MetadataTarget meta)
{
if (meta.isTargetInstanceOf(AbstractHtmlInputDate.class))
{
if ("dateBusinessConverter".equals(name)) {
if (attribute.isLiteral()) {
return new LiteralConverterMetadata(attribute.getValue());
} else {
return new DynamicConverterMetadata(attribute);
}
}
}
return null;
}
}
}