| /* |
| * 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.tobago.facelets; |
| |
| import org.apache.myfaces.tobago.component.Attributes; |
| import org.apache.myfaces.tobago.component.Visual; |
| import org.apache.myfaces.tobago.context.Markup; |
| |
| import javax.el.ValueExpression; |
| import javax.faces.component.UIComponent; |
| 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; |
| |
| public class SupportsMarkupRule extends MetaRule { |
| |
| public static final SupportsMarkupRule INSTANCE = new SupportsMarkupRule(); |
| |
| @Override |
| public Metadata applyRule(final String name, final TagAttribute attribute, final MetadataTarget metadataTarget) { |
| if (metadataTarget.isTargetInstanceOf(Visual.class)) { |
| final Attributes a = Attributes.valueOfFailsafe(name); |
| if (Attributes.markup == a) { |
| return new SupportsMarkupMapper(attribute); |
| } |
| } |
| return null; |
| } |
| |
| static final class SupportsMarkupMapper extends Metadata { |
| |
| private final TagAttribute attribute; |
| |
| SupportsMarkupMapper(final TagAttribute attribute) { |
| this.attribute = attribute; |
| } |
| |
| @Override |
| public void applyMetadata(final FaceletContext ctx, final Object instance) { |
| if (attribute.isLiteral()) { |
| ((Visual) instance).setMarkup(Markup.valueOf(attribute.getValue())); |
| } else { |
| final ValueExpression expression = attribute.getValueExpression(ctx, Object.class); |
| ((UIComponent) instance).setValueExpression(Attributes.markup.getName(), expression); |
| } |
| } |
| } |
| } |