01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Portions Copyright Apache Software Foundation.
07: *
08: * The contents of this file are subject to the terms of either the GNU
09: * General Public License Version 2 only ("GPL") or the Common Development
10: * and Distribution License("CDDL") (collectively, the "License"). You
11: * may not use this file except in compliance with the License. You can obtain
12: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
13: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
14: * language governing permissions and limitations under the License.
15: *
16: * When distributing the software, include this License Header Notice in each
17: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
18: * Sun designates this particular file as subject to the "Classpath" exception
19: * as provided by Sun in the GPL Version 2 section of the License file that
20: * accompanied this code. If applicable, add the following below the License
21: * Header, with the fields enclosed by brackets [] replaced by your own
22: * identifying information: "Portions Copyrighted [year]
23: * [name of copyright owner]"
24: *
25: * Contributor(s):
26: *
27: * If you wish your version of this file to be governed by only the CDDL or
28: * only the GPL Version 2, indicate your decision by adding "[Contributor]
29: * elects to include this software in this distribution under the [CDDL or GPL
30: * Version 2] license." If you don't indicate a single choice of license, a
31: * recipient has the option to distribute your version of this file under
32: * either the CDDL, the GPL Version 2 or to extend the choice of license to
33: * its licensees as provided above. However, if you add GPL Version 2 code
34: * and therefore, elected the GPL Version 2 license, then the option applies
35: * only if the new code is made subject to such option by the copyright
36: * holder.
37: */
38:
39: package org.apache.taglibs.standard.tei;
40:
41: import javax.servlet.jsp.tagext.TagData;
42: import javax.servlet.jsp.tagext.TagExtraInfo;
43:
44: /**
45: * <p>An implementation of TagExtraInfo that implements validation for
46: * <x:parse>'s attributes</p>
47: *
48: * @author Shawn Bayern
49: */
50: public class XmlParseTEI extends TagExtraInfo {
51:
52: final private static String VAR = "var";
53: final private static String VAR_DOM = "varDom";
54: final private static String SCOPE = "scope";
55: final private static String SCOPE_DOM = "scopeDom";
56:
57: public boolean isValid(TagData us) {
58: // must have no more than one of VAR and VAR_DOM ...
59: if (Util.isSpecified(us, VAR) && Util.isSpecified(us, VAR_DOM))
60: return false;
61:
62: // ... and must have no less than one of VAR and VAR_DOM
63: if (!(Util.isSpecified(us, VAR) || Util
64: .isSpecified(us, VAR_DOM)))
65: return false;
66:
67: // When either 'scope' is specified, its 'var' must be specified
68: if (Util.isSpecified(us, SCOPE) && !Util.isSpecified(us, VAR))
69: return false;
70: if (Util.isSpecified(us, SCOPE_DOM)
71: && !Util.isSpecified(us, VAR_DOM))
72: return false;
73:
74: return true;
75: }
76:
77: }
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