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  1. JDK
  2. JDK-4933585

Methods IsValidNCName() accept invalid names

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    • 1.3
    • generic
    • generic

        Name: eaR10174 Date: 10/07/2003


          The methods XMLUtils.IsValidNCName() accept invalid names (see test.java below). The
        method isValidNCName(String ncName) returns true in case when ncName is ".abc". The method
        isValidNCName(String ncName, String xmlVersion) returns true in case when ncName is
        "\u05BFq", xmlVersion is 1.0 and in case when ncName is "\u00B7q", xmlVersion is 1.1 .
        According to XML 1.0, 1.1 specifications names can not start with ".", "\u05BF" and
        "\u00B7" so the methods should return false.

          The bug appears in jdk1.5.0beta-b22 and affects new JCK1.5 tests:
          
            api/javax_xml/XMLUtils/index.html#XMLUtils[IsValidNCName002]
            api/javax_xml/XMLUtils/index.html#XMLUtils[IsValidNCName004]
            api/javax_xml/XMLUtils/index.html#XMLUtils[IsValidNCName006]

        ------------------------------------test.java-----------------------------
        import javax.xml.XMLUtils;

        public class test {

            public static void main(String [] args) {
                if (XMLUtils.isValidNCName(".abc")) {
                    System.out.println("Name '.abc': true returned, expected false");
                } else {
                    System.out.println("Name '.abc': OK");
                }

                if (XMLUtils.isValidNCName("\u05BFq", "1.0")) {
                    System.out.println("Name '\\u05BFq': true returned, expected false");
                } else {
                    System.out.println("Name '\\u05BFq': OK");
                }

                if (XMLUtils.isValidNCName("\u00B7q", "1.1")) {
                    System.out.println("Name '\\u00B7q': true returned, expected false");
                } else {
                    System.out.println("Name '\\u00B7q': OK");
                }
            }
            
        }
        --------------------------------------------------------------------------
        % java -showversion test
        java version "1.5.0-beta"
        Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b22)
        Java HotSpot(TM) Client VM (build 1.5.0-beta-b22, mixed mode)

        Name '.abc': true returned, expected false
        Name '\u05BFq': true returned, expected false
        Name '\u00B7q': true returned, expected false
        --------------------------------------------------------------------------

        ======================================================================

              kkawagucsunw Kohsuke Kawaguchi (Inactive)
              evgsunw Evg Evg (Inactive)
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