/**
* 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.UIComponent;
import javax.faces.component.ValueHolder;
import javax.faces.convert.Converter;
import com.sun.facelets.FaceletContext;
import com.sun.facelets.el.LegacyValueBinding;
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: ValueHolderRule.java,v 1.3 2006/05/03 04:03:36 jhook Exp $
*/
final class ValueHolderRule extends MetaRule {
final static class LiteralConverterMetadata extends Metadata {
private final String converterId;
public LiteralConverterMetadata(String converterId) {
this.converterId = converterId;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((ValueHolder) instance).setConverter(ctx.getFacesContext()
.getApplication().createConverter(this.converterId));
}
}
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("converter",
new LegacyValueBinding(attr.getValueExpression(ctx,
Converter.class)));
}
}
final static class DynamicConverterMetadata2 extends Metadata {
private final TagAttribute attr;
public DynamicConverterMetadata2(TagAttribute attr) {
this.attr = attr;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((UIComponent) instance).setValueExpression("converter", attr
.getValueExpression(ctx, Converter.class));
}
}
final static class LiteralValueMetadata extends Metadata {
private final String value;
public LiteralValueMetadata(String value) {
this.value = value;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((ValueHolder) instance).setValue(this.value);
}
}
final static class DynamicValueExpressionMetadata extends Metadata {
private final TagAttribute attr;
public DynamicValueExpressionMetadata(TagAttribute attr) {
this.attr = attr;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((UIComponent) instance).setValueExpression("value", attr
.getValueExpression(ctx, Object.class));
}
}
final static class DynamicValueBindingMetadata extends Metadata {
private final TagAttribute attr;
public DynamicValueBindingMetadata(TagAttribute attr) {
this.attr = attr;
}
public void applyMetadata(FaceletContext ctx, Object instance) {
((UIComponent) instance).setValueBinding("value",
new LegacyValueBinding(attr.getValueExpression(ctx,
Object.class)));
}
}
public final static ValueHolderRule Instance = new ValueHolderRule();
public Metadata applyRule(String name, TagAttribute attribute,
MetadataTarget meta) {
if (meta.isTargetInstanceOf(ValueHolder.class)) {
if ("converter".equals(name)) {
if (attribute.isLiteral()) {
return new LiteralConverterMetadata(attribute.getValue());
} else {
if (FacesAPI.getComponentVersion(meta.getTargetClass()) >= 12) {
return new DynamicConverterMetadata2(attribute);
} else {
return new DynamicConverterMetadata(attribute);
}
}
}
if ("value".equals(name)) {
if (attribute.isLiteral()) {
return new LiteralValueMetadata(attribute.getValue());
} else {
if (FacesAPI.getComponentVersion(meta.getTargetClass()) >= 12) {
return new DynamicValueExpressionMetadata(attribute);
} else {
return new DynamicValueBindingMetadata(attribute);
}
}
}
}
return null;
}
}