01: /***************************************************************
02: * This file is part of the [fleXive](R) project.
03: *
04: * Copyright (c) 1999-2007
05: * UCS - unique computing solutions gmbh (http://www.ucs.at)
06: * All rights reserved
07: *
08: * The [fleXive](R) project is free software; you can redistribute
09: * it and/or modify it under the terms of the GNU General Public
10: * License as published by the Free Software Foundation;
11: * either version 2 of the License, or (at your option) any
12: * later version.
13: *
14: * The GNU General Public License can be found at
15: * http://www.gnu.org/copyleft/gpl.html.
16: * A copy is found in the textfile GPL.txt and important notices to the
17: * license from the author are found in LICENSE.txt distributed with
18: * these libraries.
19: *
20: * This library is distributed in the hope that it will be useful,
21: * but WITHOUT ANY WARRANTY; without even the implied warranty of
22: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: * GNU General Public License for more details.
24: *
25: * For further information about UCS - unique computing solutions gmbh,
26: * please see the company website: http://www.ucs.at
27: *
28: * For further information about [fleXive](R), please see the
29: * project website: http://www.flexive.org
30: *
31: *
32: * This copyright notice MUST APPEAR in all copies of the file!
33: ***************************************************************/package com.flexive.war.validator;
34:
35: import com.flexive.faces.messages.FxFacesMsgErr;
36:
37: import javax.faces.component.UIComponent;
38: import javax.faces.context.FacesContext;
39: import javax.faces.validator.Validator;
40: import javax.faces.validator.ValidatorException;
41: import java.util.regex.Matcher;
42: import java.util.regex.Pattern;
43:
44: /**
45: * Validates if a name corresponds to the [A-Z][A-Z_0-9] pattern,
46: * so that the name can be used to build a valid XPath
47: *
48: * @author Gerhard Glos (gerhard.glos@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
49: */
50:
51: public class FxNameForXPathValidator implements Validator {
52:
53: private static Pattern namePattern = Pattern
54: .compile("[a-zA-Z][a-zA-Z_0-9]*");
55:
56: public void validate(FacesContext context, UIComponent component,
57: Object value) throws ValidatorException {
58: if (value != null) {
59: String name = (String) value;
60: Matcher m = namePattern.matcher(name);
61: if (m.matches())
62: return; //all correct
63: }
64: throw new ValidatorException(new FxFacesMsgErr(
65: "FxValueInput.err.invalidNameForXPath"));
66: }
67: }
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