package textbender.o; // Copyright 2007, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Textbender Software"), to deal in the Textbender Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Textbender Software, and to permit persons to whom the Textbender Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Textbender Software. THE TEXTBENDER SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE TEXTBENDER SOFTWARE OR THE USE OR OTHER DEALINGS IN THE TEXTBENDER SOFTWARE.

import org.w3c.dom.Document;


/** Web browser utilities.
  */
public final class Browser
{

    private Browser() {}



    /** @return whether the document was parsed as XML
      */
    public static boolean isXML( Document document )
    {
     // return document.getImplementation().hasFeature( "XML", /*version, any*/"" );
     // return document.getDoctype() != null;
     ///// cannot discriminate XML from HTML (in Mozilla 1.7)
     // assert document.getImplementation().hasFeature( "Core", "2.0" );
     // return document.isSupported( "XML", /*version, any*/"" );
     ///// cannot discriminate XML from HTML (in Firefox 1.5)

        assert document.getImplementation().hasFeature( "Core", "3.0" );
        return document.getXmlVersion() != null;
    }



    /** Returns the message
      * "assuming page exit in progress, suppressing failure: <em>x</em>".
      */
    public static String pageExitSupressionMessage( Exception x )
    {
        return "assuming page exit in progress, suppressing failure: " + x;
    }



}