Display contents in GUI format

[Avinash Rakkasagi]

Hi, I have a Java code which displays the contents of a XML file in text format when used in NetBeans IDE. Can someone please modify the code so that I can display the result in GUI format with compress and expand features i.e I want the result in tree structure with compress and expand features added to the tree.

package cts;
import java.io.File;
import org.w3c.dom.Document;
import org.w3c.dom.*;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class CTSfull {
    public static void main(String[] args) {
      try {
            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
            Document doc = docBuilder.parse (new File("CTSFull.xml"));
          
            System.out.println ("" + 
                 doc.getDocumentElement().getNodeName());           
            System.out.println();         
                                              
            NodeList listOfnodes= doc.getElementsByTagName("tree_node_jnr");
            int nodes = listOfnodes.getLength();  
        
            for(int s=0; s<listOfnodes.getLength() ; s++){
            	Node firstNode = listOfnodes.item(s);
                if(firstNode.getNodeType() == Node.ELEMENT_NODE){
                    Element firstNodeElement = (Element)firstNode;
                   
                    NodeList firstNameList = firstNodeElement.getElementsByTagName("node_desc");
                    Element firstNameElement = (Element)firstNameList.item(0);
                    NodeList textFNList = firstNameElement.getChildNodes();
                    System.out.println("    " + 
                           ((Node)textFNList.item(0)).getNodeValue().trim());                                                                                        
            NodeList listOfsubnodes = ((Element)listOfnodes.item(s)).getElementsByTagName("subnode");
            int totalsubnodes = listOfsubnodes.getLength();
         
            for(int s1=0; s1><listOfsubnodes.getLength() ; s1++){
                Node firstsubNode1 = listOfsubnodes.item(s1);
                if(firstsubNode1.getNodeType() == Node.ELEMENT_NODE){
                    Element firstsubElement1 = (Element)firstsubNode1;   
                    NodeList firstNameList1 = firstsubElement1.getElementsByTagName("subnode_desc");
                    Element firstNameElement1 = (Element)firstNameList1.item(0);
                    NodeList textFNList1 = firstNameElement1.getChildNodes();
                    System.out.println("       " + 
                           ((Node)textFNList1.item(0)).getNodeValue().trim());                      
                    NodeList listOfmnodes = ((Element)listOfsubnodes.item(s1)).getElementsByTagName("minor_node");
                    int totalmnodes = listOfmnodes .getLength();
                 
                    for(int s2=0; s2>< listOfmnodes .getLength() ; s2++){
                        Node firstmNode1 = listOfmnodes.item(s2);
                        if(firstmNode1.getNodeType() == Node.ELEMENT_NODE){
                            Element firstmElement1 = (Element)firstmNode1;   
                            NodeList firstmNameList1 = firstmElement1.getElementsByTagName("minor_node_desc");
                            Element firstmNameElement1 = (Element)firstmNameList1.item(0);
                            NodeList textmFNList1 = firstmNameElement1.getChildNodes();
                            System.out.println("          " + 
                                   ((Node)textmFNList1.item(0)).getNodeValue().trim());                                                         
                            NodeList listOfsmnodes = ((Element)listOfmnodes.item(s2)).getElementsByTagName("sub_minor_node");
                            int totalsmnodes = listOfsmnodes .getLength();
                         
                            for(int s3=0; s3< listOfsmnodes .getLength() ; s3++){
                                Node firstsmNode1 = listOfsmnodes.item(s3);
                                if(firstsmNode1.getNodeType() == Node.ELEMENT_NODE){
                                    Element firstsmElement1 = (Element)firstsmNode1;   
                                    NodeList firstsmNameList1 = firstsmElement1.getElementsByTagName("sub_minor_node_desc");
                                    Element firstsmNameElement1 = (Element)firstsmNameList1.item(0);
                                    NodeList textsmFNList1 = firstsmNameElement1.getChildNodes();
                                    System.out.println("              " + 
                                           ((Node)textsmFNList1.item(0)).getNodeValue().trim());                                            
                                }}                                                                                 
                        }}                                               
                }
            }
                }}
        }catch (SAXParseException err) {
        System.out.println ("** Parsing error" + ", line " 
             + err.getLineNumber () + ", uri " + err.getSystemId ());
        System.out.println(" " + err.getMessage ());
        }catch (SAXException e) {
        Exception x = e.getException ();
        ((x == null) ? e : x).printStackTrace ();
        }catch (Throwable t) {
        t.printStackTrace ();
        }         
    }
}

[Akhilesh Trivedi]

Avinash Rakkasagi wrote:
Urgent help required!!!

https://coderanch.com/how-to/java/EaseUp

https://coderanch.com/how-to/java/UseCodeTags

[Ranganathan Kaliyur Mannar]

You have to use a JTree for this purpose. And you also need to write your TreeModel to hold the data. Expansion and Collapse stuff is automatically provided by the JTree component.
I suggest you go throught the tutorial which is a great place to start.

[Roberto Perillo]

Avinash Rakkasagi wrote:Can someone please modify the code so that I can display the result in GUI format with compress and expand features

Well champ, you have to TellTheDetails. For instance, what is the structure of your XML file? Where/how do you want it do be displayed?

Anyway, we'll do even better: you will tell you how you could structure your code so you can achieve your goal!

First, what you can do is define an interface that will abstract the reading of your XML file. You have nodes that represent a data structure that keeps information about particular objects in your XML, right? Let's say that your XML file keeps information about people, so let's say that the node is Person. In the constructor of the implementation of this interface, you can read the XML file, given its path. Then, you can consume the methods offered by this interface in your window. You can instantiate the objects in the main method of your application.

// This way, the source of the data can vary (i.e. it could be a database, or a text file)
public interface PersonServices {

    public List<Person> getPeople();

}

// You can define as many implementations for the XML file as you want.
// For instance, let's say that we want to use Jaxb for reading the XML file in this case
public class JaxbXmlPersonServices implements PersonServices {

    private List<Person> people;

    public XmlPersonServices(String xmlFile) {
        // Reads the given XML file, creates Person objects, fill them with the data in the XML file
        // and stores the data in the people variable
    }

    public List<Person> getPeople() {
        return people;
    }
}

public class ApplicationWindow extends JFrame {

    public ApplicationWindow(PersonServices personServices) {
        super();
        // Let's say that you want to display your your data in a JTable.
        // You can then instantiate your JTable and pass to its TableModel the list of people from the PersonServices implementation
        AbstractTableModel tableModel = new PeopleTableModel(personServices.getPeople());
        JTable table = new JTable(tableModel);
        ...
        setVisible(true);
    }
}

public class ApplicationRunner {

    public static void main(String [] args) {
        PersonServices services = new JaxbXmlPersonServices("C:/CTSFull.xml");
        new ApplicationWindow(services);
    }
}

Please take a look at it and let us know if you have doubts!