[mapserver-users] Re: Extract Layer Names from MapFile

[Dash]

Well, I believe I figured it out using Java.  I am able to use the URL Class
to get the xml from my GetCapabilites request.  Then, I created an
InputStream from the URL Class and pass the InputStream object into my Java
XML parser.  It's actually pretty slick.  Next, I'll try and plug it in to a
JSP page.  Thanks for all the advice and here is the codes for anyone else
who is interested.

import java.io.File;
import java.io.InputStream;
import java.net.URL;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class XMLReader {
  
  public static void main (String[] args) {
    try {
	  URL getCapabilities = new URL(<your getcapabilities wms request with
quotes>);
	  InputStream is = getCapabilities.openStream();
	
	  DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
	  DocumentBuilder db = dbf.newDocumentBuilder();
	  Document doc = db.parse(is);
	  doc.getDocumentElement().normalize();
	  NodeList nodeList = doc.getElementsByTagName("Layer");
	  
	  for (int s = 0; s < nodeList.getLength(); s++) {
	    Node fstNode = nodeList.item(s);
		if (fstNode.getNodeType() == Node.ELEMENT_NODE) {
		  Element fstElmnt = (Element)fstNode;
		  NodeList fstNmElmntLst = fstElmnt.getElementsByTagName("Name");
		  Element fstNmElmnt = (Element) fstNmElmntLst.item(0);
		  NodeList fstNm = fstNmElmnt.getChildNodes();
		  System.out.println("MapFile Layer Name : "  + ((Node)
fstNm.item(0)).getNodeValue());
		}
	  }
	  
	} catch (Exception e) {
	  e.printStackTrace();
	}
  }
}

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