package org.itfuture.netoa.admin;
import java.io.FileInputStream;
import java.io.FileReader;
import org.xml.sax.*;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;//解析器
import org.xml.sax.helpers.DefaultHandler; //确省的拦截句柄
import org.xml.sax.helpers.XMLReaderFactory;
import java.io.InputStreamReader;
//该类来充当拦截器
public class SAXSampleO1 extends DefaultHandler {
public SAXSampleO1() {
}
//该方法负责拦截starDocument相应解析事件
public void startDocument() throws SAXException
{
System.out.println("[开始xml解析：]");
}
public void startElement(String namespaceUri, String ename, String qname, Attributes attributes) throws SAXException {
// TODO Auto-generated method stub
System.out.println("[解析的元素为：]"+ename);
if(ename.equals("account")){
for(int i=0;i<attributes.getLength();i++)
{
String name=attributes.getLocalName(i);
String value=attributes.getValue(i);
System.out.println("该元素的属性:"+name+"---"+value);
}
// String type=attributes.getValue("type");
// String number=attributes.getValue("number");
// System.out.println("该元素的属性:type-"+type+":number-"+number);
}
}
public void characters(char[] chars, int start, int length) throws SAXException
{
String value= new String(chars,start,length);
System.out.println(value);
}
public void endElement(String namespaceUri, String ename, String qname) throws SAXException {
// TODO Auto-generated method stub
System.out.println("[解析的元素结束：]"+ename);
}
public void endDocument() throws SAXException {
System.out.println("[结束xml文档解析]");
}
/**
* @param args
*/
public static void main(String[] args)
{
try {
XMLReader parser=XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
parser.setContentHandler(new SAXSampleO1());;
//InputSource a=;
//parser.parse("D:/database.xml");
parser.parse(new InputSource(new FileReader("D:/database.xml")));
//parser.parse(new InputSource(new FileInputStream("D:/database.xml")));
}catch(SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch(Exception e){
e.printStackTrace();
}
}
}
package org.itfuture.netoa.admin;
import java.io.FileInputStream;
import java.io.FileReader;
import org.xml.sax.*;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;//解析器
import org.xml.sax.helpers.DefaultHandler; //确省的拦截句柄
import org.xml.sax.helpers.XMLReaderFactory;
import java.io.InputStreamReader;
//该类来充当拦截器
public class SAXSample02 extends DefaultHandler {
DBInfo info=null;
//StringBuffer sb=new StringBuffer();//用来存读到相应元素的值
String str="";
public SAXSample02()
{
info=new DBInfo();
}
//该方法负责拦截starDocument相应解析事件
public void startDocument() throws SAXException
{
System.out.println("[开始xml解析：]");
}
public void startElement(String namespaceUri, String ename, String qname, Attributes attributes) throws SAXException {
// TODO Auto-generated method stub
System.out.println("[解析的元素为：]"+ename);
if(ename.equals("account"))
{
for(int i=0;i<attributes.getLength();i++)
{
String name=attributes.getLocalName(i);
String value=attributes.getValue(i);
if(name.equals("type"))
info.setType(value);
if(name.equals("number"))
info.setNumber(Integer.parseInt(value));
System.out.println("该元素的属性:"+name+"---"+value);
}
}
//sb.delete(0,sb.length());
str="";
}
public void characters(char[] chars, int start, int length) throws SAXException
{
String value= new String(chars,start,length);
System.out.println(value);
//sb.append(chars,start,length);
str=new String(chars,start,length);
}
public void endElement(String namespaceUri, String ename, String qname) throws SAXException
{
// TODO Auto-generated method stub
System.out.println("[解析的元素结束：]"+ename);
if(ename.equals("username"))
{
//info.setUsername(sb.toString());
info.setUsername(str);
}else if(ename.equals("password")){
//info.setPassword(sb.toString());
info.setPassword(str);
}else if(ename.equals("url")){
//info.setUrl(sb.toString());
info.setUrl(str);
}else if(ename.equals("driver")){
//info.setDriver(sb.toString());
info.setDriver(str);
}
}
public void endDocument() throws SAXException {
System.out.println("[结束xml文档解析]");
}
/**
* @param args
*/
public static void main(String[] args)
{
try {
SAXSample02 sample= new SAXSample02();
XMLReader parser=XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
parser.setContentHandler(sample);;
//InputSource a=;
//parser.parse("D:/database.xml");
parser.parse(new InputSource(new FileReader("D:/database.xml")));
//parser.parse(new InputSource(new FileInputStream("D:/database.xml")));
DBInfo info=sample.info;
System.out.println(info.getType()+"--"+info.getNumber()+"---"+info.getUsername()+"---"+info.getPassword()+"--"+info.getUrl()+"---"+info.getDriver());
}catch(SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch(Exception e){
e.printStackTrace();
}
}
}
package org.itfuture.netoa.admin;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.List;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.XMLReaderFactory;
public class SAXSample03 extends DefaultHandler{
List list=new ArrayList();
StringBuffer sb=new StringBuffer();
Customer cust=null;
public SAXSample03()
{
super();
// TODO Auto-generated constructor stub
}
public void startDocument() throws SAXException {
// TODO Auto-generated method stub
super.startDocument();
}
public void startElement(String arg0, String arg1, String arg2, Attributes arg3) throws SAXException {
// TODO Auto-generated method stub
if(arg1.equals("customer"))
{
cust=new Customer();
list.add(cust);
}
sb.delete(0,sb.length());
}
public void characters(char[] arg0, int arg1, int arg2) throws SAXException {
// TODO Auto-generated method stub
sb.append(arg0,arg1,arg2);
}
public void endElement(String arg0, String arg1, String arg2) throws SAXException {
// TODO Auto-generated method stub
if(arg1.equals("FirstName"))
{
cust.setFirstname(sb.toString());
}else if(arg2.equals("LastName")){
cust.setLasetname(sb.toString());
}else if(arg2.equals("CustId")){
cust.setCustid(sb.toString());
}
}
public void endDocument() throws SAXException {
// TODO Auto-generated method stub
super.endDocument();
}
/**
* @param args
*/
public static void main(String[] args)
{
try {
XMLReader xr=XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
SAXSample03 sample=new SAXSample03();
xr.setContentHandler(sample);
xr.parse(new InputSource(new FileInputStream("D:/Example3.xml")));
List list=sample.list;
for(int i=0;i<list.size();i++)
{
Customer one= (Customer)list.get(i);
System.out.println(one.getCustid()+"---"+one.getFirstname()+"---"+one.getLasetname());
}
} catch (SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch(Exception e){
e.printStackTrace();
}
}
}
package org.itfuture.netoa.admin;
import java.io.CharArrayWriter;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
public class SAXSample04 extends DefaultHandler {
private List custlist=new ArrayList();
private List orderlist=new ArrayList();
StringBuffer sb=new StringBuffer();
CharArrayWriter caw=new CharArrayWriter();
Customer cust=null;
OrderItem item=null;
public SAXSample04() {
super();
// TODO Auto-generated constructor stub
}
public void startDocument() throws SAXException {
// TODO Auto-generated method stub
super.startDocument();
}
public void startElement(String arg0, String arg1, String arg2, Attributes arg3) throws SAXException {
if(arg1.equals("Customer"))
{
cust=new Customer();
custlist.add(cust);
}else if(arg1.equals("OrderItem")){
item=new OrderItem();
item.setCustid(cust.getCustid());
orderlist.add(item);
}
//sb.delete(0,sb.length());
caw.reset();
}
public void characters(char[] arg0, int arg1, int arg2) throws SAXException {
//sb.append(arg0,arg1,arg2);
caw.write(arg0,arg1,arg2);
}
public void endElement(String arg0, String arg1, String arg2) throws SAXException {
if(arg1.equals("FirstName")){
cust.setFirstname(caw.toString());
//cust.setFirstname(sb.toString());
}else if(arg1.equals("LastName")){
//cust.setLasetname(sb.toString());
cust.setLasetname(caw.toString());
}else if(arg1.equals("CustId")){
//cust.setCustid(sb.toString());
cust.setCustid(caw.toString());
}
if(arg1.equals("ProductCode")){
item.setProductcode(caw.toString());
//item.setProductcode(sb.toString());
}else if(arg1.equals("Quantity")){
item.setQuantity(Integer.parseInt(caw.toString().trim()));
//item.setQuantity(Integer.parseInt(sb.toString().trim()));
}else if(arg1.equals("Price")){
item.setPrice(Double.parseDouble(caw.toString().trim()));
//item.setPrice(Double.parseDouble(sb.toString().trim()));
}else if(arg1.equals("Description")){
item.setDescription(caw.toString());
//item.setDescription(sb.toString());
}
}
public void endDocument() throws SAXException {
// TODO Auto-generated method stub
super.endDocument();
}
/**
* @param args
*/
public static void main(String[] args) throws Exception
{
SAXSample04 sample=new SAXSample04();
XMLReader parse=XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
parse.setContentHandler(sample);
parse.parse(new InputSource(new FileReader("D:/Example4.xml")));
List custlist=sample.custlist;
List orderlist=sample.orderlist;
for(int i=0;i<custlist.size();i++)
{
Customer cust=(Customer)custlist.get(i);
cust.print(System.out);
}
for(int i=0;i<orderlist.size();i++)
{
OrderItem item=(OrderItem)orderlist.get(i);
item.print(System.out);
}
}
}
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