/*
* $Id$
*
* 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.struts2.views.java.simple;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.struts2.util.ComponentUtils;
import org.apache.struts2.views.java.Attributes;
import java.io.IOException;
import java.util.Map;
/**
* Adds dynamic attributes
*/
public class DynamicAttributesHandler extends AbstractTagHandler {
/* (non-Javadoc)
* @see org.apache.struts2.views.java.simple.AbstractTagHandler#start(java.lang.String, org.apache.struts2.views.java.Attributes)
*/
@Override
public void start(String name, Attributes a) throws IOException {
processDynamicAttributes(a);
super.start(name, a);
}
protected void processDynamicAttributes(Attributes a) {
Map<String, String> dynamicAttributes = (Map<String, String>) context.getParameters().get("dynamicAttributes");
for (Map.Entry<String, String> entry : dynamicAttributes.entrySet()) {
if (altSyntax && ComponentUtils.isExpression(entry.getValue())) {
String value = ObjectUtils.defaultIfNull(findString(entry.getValue()), entry.getValue());
a.put(entry.getKey(), value);
} else {
a.put(entry.getKey(), entry.getValue());
}
}
}
}