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An implementation of the JSP Standard Tag Library (JSTL).
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/*
* 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.taglibs.standard.tei;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
/**
* An implementation of TagExtraInfo that implements validation for
* ForEachTag's attributes
*
* @author Shawn Bayern
*/
public class ForEachTEI extends TagExtraInfo {
final private static String ITEMS = "items";
final private static String BEGIN = "begin";
final private static String END = "end";
/*
* Currently implements the following rules:
*
* - If 'items' is not specified, 'begin' and 'end' must be
*/
@Override
public boolean isValid(TagData us) {
if (!Util.isSpecified(us, ITEMS)) {
if (!Util.isSpecified(us, BEGIN) || !(Util.isSpecified(us, END))) {
return false;
}
}
return true;
}
}