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package edu.ucsb.nceas.metacat;
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import org.w3c.dom.*;
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import org.xml.sax.*;
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import org.xml.sax.Parser;
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import oracle.xml.parser.v2.*;    //Oracle parser
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//import org.apache.xerces.parsers.*;  //Apache/IBM/Xerces parser
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/**
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 * XMLValidate.java
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 *         Purpose: A Class that validates XML documents
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 *   			   This class is uses a specific parser
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 * 				and calls the GenericXMLValidate class
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 *                 to do the actual validation
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 *       Copyright: 2000 Regents of the University of California and the
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 *                  National Center for Ecological Analysis and Synthesis
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 *                  April 28, 2000
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 * 
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 * @author Dan Higgins
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 * @version Version 1.0
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 */
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public class XMLValidate
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{
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    String doc;
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    SAXParser par;
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    public boolean validating = false; 
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    public XMLValidate( String docname){
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        doc = docname;
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            par = new SAXParser();           // works for both Xerces and Oracle
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/*            try {   //Xerces
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            par.setFeature("http://xml.org/sax/features/validation",true);  
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            }
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            catch (Exception e) 
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                {System.out.println("Could not set Validation!!!");
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                System.exit(0);}
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                // Xerces end 
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*/                
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                par = new SAXParser();           // works for both Xerces and Oracle
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                par.setValidationMode(true);     // Oracle
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        GenericXMLValidate gxv = new GenericXMLValidate(par);
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        if (gxv.validate(doc)) {
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            System.out.println("XML is validated");
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        }
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        else {
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            System.out.print(gxv.returnErrors());    
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        }
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    }
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    public static void main(String[] args) {
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        if (args.length!=1) {
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            System.out.println("Usage: java XMLValidate <xmlfile or URL>");
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            System.exit(0);
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        }
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        String doc = args[0];
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        new XMLValidate(doc);
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    }
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}
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