source: other-projects/trunk/gsdl-documentation/shared/ExternalRef.java@ 14152

import java.io.InputStream;
import java.io.FileInputStream;
import java.io.File;

import org.w3c.dom.Document;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;


public class ExternalRef{   
    private String basePath;
    public ExternalRef(){       
    }   

    public String getRef(String file, String lang, String targettype, String id){
        getPath();
        try{
            String tfile = file+"_"+lang+".xml";
            String path = basePath + "/xml-source/" + lang + "/" + tfile;

            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
      DocumentBuilder domBuilder = factory.newDocumentBuilder();
      InputStream is = new FileInputStream(path);
      Document doc = domBuilder.parse(is);

        NodeList list = doc.getElementsByTagName(targettype);
        int i=0;
        for(i=0; i<list.getLength(); i++){
            Node node = list.item(i);
            String id_temp = node.getAttributes().getNamedItem("id").getNodeValue();            
            if(id_temp.equals(id)) break;
        }
        return (++i)+"";
        
        }catch(Exception e){
            System.err.println(e.getMessage());
            //e.printStackTrace();
            return "";
        }
    }   
    
    private void getPath(){
        basePath = System.getProperty("user.dir");
        
        //find where is the manuals directory
        File tempfile = new File(basePath);
        String parentPath = tempfile.getParent();       
        
        boolean find = false;
        while(!find){
            File tempfile2 = new File(parentPath+"/manuals");
            if(tempfile2.exists() && tempfile2.isDirectory()){
                basePath = parentPath+"/manuals";
                find = true;
          }
          else if(parentPath.endsWith("manuals")){
            //if the shared directory is inside the manual directory
                basePath = parentPath;
                find = true;
          }
          if(!find){
            tempfile = new File(parentPath);
            parentPath = tempfile.getParent();
          }
      }
    }
}