[Coefficient-commits] coefficient/src-test/za/org/coefficient/util/common XMLJndiUtil.java,NONE,1.1

[Pieter v. Z. <pv...@us...>]

Update of /cvsroot/coefficient/coefficient/src-test/za/org/coefficient/util/common
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv5736/src-test/za/org/coefficient/util/common

Added Files:
	XMLJndiUtil.java 
Log Message:
This class reads in a server.xml file and uses the Resource tags/elements to
create a lookup table (mock jndi)

--- NEW FILE: XMLJndiUtil.java ---
/**
 * 
 */
package za.org.coefficient.util.common;

import java.io.IOException;
import java.io.InputStream;
import java.util.Hashtable;
import java.util.Iterator;

import org.apache.velocity.anakia.NodeList;
import org.apache.xerces.parsers.DOMParser;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

/**
 * @author pieter20 Aug 2, 2005
 *  This class reads in a server.xml file and uses the Resource tags/elements to
 *  create a lookup table (mock jndi)
 */
public class XMLJndiUtil {

    /**
     * @author pieter20
     * Aug 3, 2005
     * @param fileName
     * @return
     */
    public static InputStream getFileInputStream(String fileName) {
        InputStream xmlFile = null;
        // See if it is in the classpath
        xmlFile = XMLJndiUtil.class.getResourceAsStream("/WEB-INF/"
                + fileName);
        // See if it is in the jar
        if (xmlFile == null) {
            xmlFile = XMLJndiUtil.class.getResourceAsStream("/" + fileName);
            if (xmlFile == null) {
                xmlFile = XMLJndiUtil.class.getResourceAsStream(fileName);
            }
        }// end nested if
        if (xmlFile == null) {
            
            System.out.println("XMLReaderUtil.getFileInputStream()-> File not found!!!");
        }
        return xmlFile;
    }

    /**
     * @author pieter20
     * Aug 3, 2005
     * This method reads in a xml file: server.xml  and creates a mock JNDI
     * lookup table. The table is implemented currently as a hashtable. The "Resource"
     * tag element and its attributes are used. A DOM parser is used.
     * @param xmlFileName
     * @return Hashtable containing some 
     */
    public static Hashtable createMockJNDI(String xmlFileName) {
        Hashtable xmlTable = new Hashtable();
        
        DOMParser domParser = new DOMParser();
        InputStream xmlFile = getFileInputStream(xmlFileName);
        InputSource xmlSource = new InputSource(xmlFile);
        try {
            domParser.parse(xmlSource);
        } catch (IOException io) {
            io.printStackTrace();
        } catch (SAXException sax) {
            sax.printStackTrace();
        }
        
        Document doc = domParser.getDocument();
        
        org.w3c.dom.NodeList list = doc.getElementsByTagName("Resource");
        
        for (int i = 0; i < list.getLength(); i++) {
           Element resourceElement =  (Element)list.item(i);
           Attr name = resourceElement.getAttributeNode("name");
           Attr className = resourceElement.getAttributeNode("type");
           
           xmlTable.put(name.getValue(),className.getValue());
            
        }//end for
        return xmlTable;

    }

    /**
     * @author pieter20 Aug 2, 2005
     * @param args
     */
    public static void main(String[] args) {
       Hashtable mockJNDI =  createMockJNDI("server.xml.snippit");
       
       Iterator jndiItems = mockJNDI.keySet().iterator();
       while (jndiItems.hasNext()) {
        String name = (String) jndiItems.next();
        String classType = (String)mockJNDI.get(name);
        
        System.out.println("name: "+name+" -> type: "+classType );
        
    }
     
 

    }

}