import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.Iterator;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.dom4j.Attribute;
import org.dom4j.DocumentException;
import org.dom4j.DocumentFactory;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public class XMLTest {
public void readXMLByDom(File thefile){
BufferedReader bufferedReader = null;
DocumentBuilder builder = null;
Document doc = null;
try {
bufferedReader = new BufferedReader(new FileReader(thefile));
} catch ( FileNotFoundException e ) {
e.printStackTrace();
}
InputSource inputsource = new InputSource(bufferedReader);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
try {
builder = factory.newDocumentBuilder();
} catch ( ParserConfigurationException e ) {
e.printStackTrace();
}
try {
doc = builder.parse(inputsource);
// doc = builder.parse(thefile);
} catch ( SAXException e ) {
e.printStackTrace();
} catch ( IOException e ) {
e.printStackTrace();
} finally{
try {
bufferedReader.close();
} catch ( IOException e ) {
e.printStackTrace();
}
}
NodeList nList_01 = doc.getChildNodes();
Node node = null;
System.out.println("****************** First Level Node*******************");
for ( int i = 0; i < nList_01.getLength(); i++ ) {
node = nList_01.item(i);
String temp1 = node.getNodeName();
System.out.println("Node " + (i+1) + " is :" + temp1);
if(node.hasChildNodes()){
//attributes
if ( node.hasAttributes() ) {
NamedNodeMap namedNodeMap = node.getAttributes();
System.out.println("############## Begin Attributes of " + temp1.toUpperCase() + " : ##############");
for ( int j = 0; j < namedNodeMap.getLength(); j++ ) {
Node attrNode = namedNodeMap.item(j);
System.out.println("~~~~~~attrNode "+ (j+1) + " is: " + attrNode.getNodeName() + " Value is: " + attrNode.getNodeValue());
}
System.out.println("############## End Attributes of " + temp1.toUpperCase() + " : ##############");
}
//child nodes
System.out.println("================Begin Second Level Childern Under " + node.getNodeName().toUpperCase() + "=================");
NodeList nList_02 = node.getChildNodes();
for ( int j = 0; j < nList_02.getLength(); j++ ) {
node = nList_02.item(j);
String temp01 = node.getNodeName();
System.out.println("Node 0" + (j+1) + " is :" + temp01);
if ( node.hasChildNodes() ) {
System.out.println("----------------Begin Third Level Childern Under " + node.getNodeName().toUpperCase() + "------------------");
NodeList nList_03 = node.getChildNodes();
for ( int k = 0; k < nList_03.getLength(); k++ ) {
node = nList_03.item(k);
System.out.println("Node 00" + (k+1) + " is :" + node.getNodeName() );
if ( !node.getNodeName().equals("#text") ) {
System.out.println("Text within this node is: " + node.getTextContent());
}
}
System.out.println("----------------End Third Level Childern Under " + temp01.toUpperCase() + "------------------");
}
}
System.out.println("=================End Second Level Childern Under " + temp1.toUpperCase() + "================");
}
}
}
public void readXMLByDom4j(File thefile){
// DocumentFactory factory = DocumentFactory.getInstance();
// SAXReader saxreader = new SAXReader(factory);
BufferedReader bufferedreader = null;
SAXReader saxreader = new SAXReader();
org.dom4j.Document doc = null;
try {
bufferedreader = new BufferedReader(new FileReader(thefile));
} catch ( FileNotFoundException e ) {
e.printStackTrace();
}
try {
doc = ( org.dom4j.Document ) saxreader.read(bufferedreader);
} catch ( DocumentException e ) {
e.printStackTrace();
} finally{
try {
bufferedreader.close();
} catch ( IOException e ) {
e.printStackTrace();
}
}
//iterate Nodes
org.dom4j.Node node = null;
int n = 1;
Iterator it = doc.nodeIterator();
System.out.println("========== iterate Nodes =========");
while ( it.hasNext() ) {
node = ( org.dom4j.Node ) it.next();
System.out.println("Name of Node" +n++ + " is :" + node.getName());
System.out.println("Node type name is : " + node.getNodeTypeName()+"\n");
}
//iterate Elements
Element root = doc.getRootElement();
System.out.println("Root Element : " + root.getName());
//iterate Elements underneath Root Element
Element eleOfRoot = null;
int l = 1;
Iterator eleIt = root.elementIterator();
System.out.println("========== iterate Elements underneath Root Element =========");
while ( eleIt.hasNext() ) {
eleOfRoot = ( Element ) eleIt.next();
System.out.println("Element " + l++ + " underneath Root is :" + eleOfRoot.getName());
//grandchildren of Root Element
if ( eleOfRoot.hasMixedContent() ) {
Element grandchild = null;
int p = 1;
Iterator grandIt = eleOfRoot.elementIterator();
System.out.println("@@@@@@@@@@@@@@@@@ iterate Elements underneath " + eleOfRoot.getName() + " @@@@@@@@@@@@@@");
while ( grandIt.hasNext() ) {
grandchild = ( Element ) grandIt.next();
System.out.println("Element " + 0+ p++ + " underneath " + eleOfRoot.getName() + " is :" + grandchild.getName());
}
System.out.println("");
}
}
//iterate Attribute of Root Element
Attribute attr = null;
int m=1;
Iterator attrIt = root.attributeIterator();
System.out.println("========== iterate Attributes of Root Element =========");
while ( attrIt.hasNext() ) {
attr = ( Attribute ) attrIt.next();
System.out.println("Attribute " + m++ + " is : " + attr.getName() + " ~~~ Value = " + attr.getValue());
}
}
public static void main( String[] args ) {
XMLTest test= new XMLTest();
File thefile = new File("F:\\build.xml");
test.readXMLByDom(thefile);
System.out.println("\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Below is with Dom4j<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
test.readXMLByDom4j(thefile);
}
}
posted on 2007-08-22 15:36
蛮哥♂枫 阅读(1620)
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Java