/*
* 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.shindig.gadgets.templates.tags;
import org.apache.shindig.gadgets.templates.TemplateProcessor;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import com.google.inject.Inject;
/**
* Handles the os:If tag for osml.
*/
public class IfTagHandler extends AbstractTagHandler {
static final String TAG_IF = "If";
static final String CONDITION_ATTR = "condition";
@Inject
public IfTagHandler() {
super(TagHandler.OPENSOCIAL_NAMESPACE, TAG_IF);
}
public void process(Node result, Element tag, TemplateProcessor processor) {
Boolean condition = getValueFromTag(tag, CONDITION_ATTR, processor, Boolean.class);
if (condition == null || !condition.booleanValue()) {
return;
}
// Condition succeeded, process all child nodes
processor.processChildNodes(result, tag);
}
}