| /* |
| * 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.util.ComponentUtils; |
| |
| import javax.el.ELException; |
| import javax.faces.component.UIComponent; |
| import javax.faces.view.facelets.ComponentHandler; |
| import javax.faces.view.facelets.FaceletContext; |
| import javax.faces.view.facelets.TagAttribute; |
| import javax.faces.view.facelets.TagConfig; |
| import javax.faces.view.facelets.TagException; |
| import javax.faces.view.facelets.TagHandler; |
| |
| public final class DataAttributeHandler extends TagHandler { |
| |
| private final TagAttribute name; |
| |
| private final TagAttribute value; |
| |
| public DataAttributeHandler(final TagConfig config) { |
| super(config); |
| this.name = getRequiredAttribute(Attributes.name.getName()); |
| this.value = getRequiredAttribute(Attributes.value.getName()); |
| } |
| |
| @Override |
| public void apply(final FaceletContext faceletContext, final UIComponent parent) throws ELException { |
| if (parent == null) { |
| throw new TagException(tag, "Parent UIComponent was null"); |
| } |
| |
| if (ComponentHandler.isNew(parent)) { |
| |
| final Object attributeName = name.isLiteral() |
| ? (Object) name.getValue(faceletContext) |
| : name.getValueExpression(faceletContext, Object.class); |
| final Object attributeValue = value.isLiteral() |
| ? (Object) value.getValue(faceletContext) |
| : value.getValueExpression(faceletContext, Object.class); |
| ComponentUtils.putDataAttribute(parent, attributeName, attributeValue); |
| } |
| } |
| } |