파싱2

package test1;

import java.io.BufferedReader;

import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.io.StringReader;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.xpath.XPath;

import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathFactory;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Tree;

import org.eclipse.swt.widgets.TreeItem;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

import org.xml.sax.InputSource;

public class test1 {

public static void main(String[] args) {

// TODO Auto-generated method stub

Display display = new Display();

Shell shell = new Shell(display);

shell.setText("TEXT EXAMPLE");

shell.setBounds(100, 100, 200, 100);

// Composite composite = new Composite(shell,SWT.BORDER);

// composite.setBounds(25,25,150,250);

FillLayout fillLayout = new FillLayout(SWT.HORIZONTAL);

shell.setLayout(fillLayout);

final Combo combo1 = new Combo(shell, SWT.READ_ONLY);

final Tree tree = new Tree(shell, SWT.SINGLE);

combo1.setBounds(25, 25, 100, 75);

combo1.setItems(new String[] { "first", "second", "third" });

combo1.setText("First");

// final Label label = new Label(shell, SWT.CENTER);

combo1.addSelectionListener(new SelectionAdapter() {

public void widgetSelected(SelectionEvent event) {

// label.setText("Selected : " + combo1.getText());

try {

// File xmlDoc = new File("NewFile.xml");

/*

BufferedReader br = new BufferedReader(

new InputStreamReader(new FileInputStream("C://workspace//test1/NewFile.xml"), "UTF8"));

StringBuilder sb = new StringBuilder();

while (true) {

String line = br.readLine();

if (line == null)

break;

sb.append(line);

}

String xml = sb.toString();

br.close();

*/

String xml = 

"<class>"

+"<grandparent named='g1'>"

+"<parent name='p1'>"

+"<child name='c1'>child1</child>"

+"<child name='c1'>child2</child>"

+"<child name='c1'>child3</child>"

+"</parent>"

+"<parent name='p1'>"

+"<child name='c2'>child1</child>"

+"<child name='c2'>child2</child>"

+"<child name='c2'>child3</child>"

+"</parent>"

+"</grandparent>"

+"<grandparent named='g2'>"

+"<parent name='p2'>"

+"<child name='c3'>child1</child>"

+"<child name='c3'>child2</child>"

+"<child name='c3'>child3</child>"

+"</parent>"

+"<parent name='p2'>"

+"<child name='c4'>child1</child>"

+"<child name='c4'>child2</child>"

+"<child name='c4'>child3</child>"

+"</parent>"

+"</grandparent>"

+"</class>";

InputSource is = new InputSource(new StringReader(xml));

Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(is);

XPath xpath = XPathFactory.newInstance().newXPath();

//NodeList cols = (NodeList) xpath.evaluate("//grandparent/parent", document, XPathConstants.NODESET);

/*

* for (int idx = 0; idx < cols.getLength(); idx++) {

* System.out.println(cols.item(idx).getNodeName());

* 

* } System.out.println(cols.getLength());

*/

// id 가 c2 인 Node의 val attribute 값 가져오기

// Node col2 = (Node) xpath.evaluate("//*[@id='c2']", document,

// XPathConstants.NODE);

// System.out.println(col2.getAttributes().getNamedItem("val").getTextContent());

/*

* DocumentBuilderFactory dbFact = DocumentBuilderFactory.newInstance();

* DocumentBuilder dBuild = dbFact.newDocumentBuilder(); Document doc =

* dBuild.parse(xmlDoc);

*/

// System.out.println("Root element : " +

// doc.getDocumentElement().getNodeName());

NodeList nList1 = (NodeList) xpath.evaluate("//grandparent", document, XPathConstants.NODESET);

NodeList nList2 = (NodeList) xpath.evaluate("//*[@name='p1']", document, XPathConstants.NODESET);

NodeList nList3 = (NodeList) xpath.evaluate("//*[@name='p1']/child[@name='c1']", document, XPathConstants.NODESET);

for (int i = 0; i < nList1.getLength(); i++) {

// NodeList nList = (NodeList)

// xpath.evaluate("//grandparent[@idno='g1']/parent/child", document,

// XPathConstants.NODESET);

// Node nNode = nList.item(i);

TreeItem grandParent1 = new TreeItem(tree, 0);

grandParent1.setText(nList1.item(i).getNodeName());

for (int j = 0; j < nList2.getLength(); j++) {

// Node nNode2 = nList2.item(j);

TreeItem parent1 = new TreeItem(grandParent1, 0);

parent1.setText(nList2.item(j).getNodeName());

for (int k = 0; k < nList3.getLength(); k++) {

// Node nNode3 = nList3.item(k);

TreeItem child1 = new TreeItem(parent1, 0);

// parent1.setText(eElement.getElementsByTagName("parent").item(0).getTextContent());

// parent1.setText(eElement.getElementsByTagName("parent").item(1).getTextContent());

child1.setText(nList3.item(k).getTextContent());

// System.out.println("student id : " + eElement.getAttribute("idno"));

// System.out.println("student first name : "

// + eElement.getElementsByTagName("parent").item(0).getTextContent());

}

}

}

} catch (Exception e) {

System.out.println("error");

}

/*

* for (int i = 0; i < 4; i++) { TreeItem grandParent = new TreeItem(tree, 0);

* grandParent.setText(nNode.getNodeName()); for (int j = 0; j < 4; j++) {

* TreeItem parent = new TreeItem(grandParent, 0); parent.setText("Parent -" +

* j); for (int k = 0; k < 4; k++) { TreeItem child = new TreeItem(parent, 0);

* child.setText("Child -" + k); } } }

*/

}

});

/*

* tree.addSelectionListener(new SelectionAdapter(){ public void

* widgetSelected(SelectionEvent event){ TreeItem[] selected =

* tree.getSelection(); if(selected.length>0){

* System.out.println("Selected: "+selected[0].getText()); } } });

*/

shell.open();

while (!shell.isDisposed()) {

if (!display.readAndDispatch())

display.sleep();

}

display.dispose();

}

}