org.apache.taglibs.standard.tei.XmlParseTEI Maven / Gradle / Ivy
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/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*/
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
* 's attributes
*
* @author Shawn Bayern
*/
public class XmlParseTEI extends TagExtraInfo {
final private static String VAR = "var";
final private static String VAR_DOM = "varDom";
final private static String SCOPE = "scope";
final private static String SCOPE_DOM = "scopeDom";
public boolean isValid(TagData us) {
// must have no more than one of VAR and VAR_DOM ...
if (Util.isSpecified(us, VAR) && Util.isSpecified(us, VAR_DOM))
return false;
// ... and must have no less than one of VAR and VAR_DOM
if (!(Util.isSpecified(us, VAR) || Util.isSpecified(us, VAR_DOM)))
return false;
// When either 'scope' is specified, its 'var' must be specified
if (Util.isSpecified(us, SCOPE) && !Util.isSpecified(us, VAR))
return false;
if (Util.isSpecified(us, SCOPE_DOM) && !Util.isSpecified(us, VAR_DOM))
return false;
return true;
}
}