在ASP.NET中如何使用ASP.NET AJAX实时搜索功能控件--RealTimeSearchMonitor

/*
* Created on Apr 19, 2012
*
* XmlUtil.java
*
* Copyright (C) 2012 by Citicorp Software & Technology Services (Shanghai) Limited.
* All rights reserved. Citicorp Software & Technology Services (Shanghai) Limited
* claims copyright in this computer program as an unpublished work. Claim of copyright
* does not imply waiver of other rights.
*
* NOTICE OF PROPRIETARY RIGHTS
*
* This program is a confidential trade secret and the property of
* Citicorp Software & Technology Services (Shanghai) Limited. Use, examination,
* reproduction, disassembly, decompiling, transfer and/or disclosure to others of
* all or any part of this software program are strictly prohibited except by express
* written agreement with Citicorp Software & Technology Services (Shanghai) Limited.
*/
/*
* ---------------------------------------------------------------------------------
* Modification History
* Date Author Version Description
* Apr 19, 2012 gl65293 1.0 New
* ---------------------------------------------------------------------------------
*/
/**
*
*/
package com.withiter.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.xpath.XPath;

/**
* @author gl65293
*
*/
public class XmlUtil {

private static final Log log = LogFactory.getLog(XmlUtil.class);

/**
* @param xmlPath the path of XML file
* @return the content of the XML file
* @throws IOException
*/
public static String getContent(String xmlPath) {
if(log.isDebugEnabled()){
log.debug("the xml path is : " + xmlPath);
}
File file = new File(xmlPath);
String line;
StringBuffer readLine = new StringBuffer();
try {
InputStreamReader read = new InputStreamReader(new FileInputStream(file), "UTF-8");
BufferedReader in = new BufferedReader(read);
while ((line = in.readLine()) != null) {
readLine.append(line+"\r\n");
}
read.close();
} catch (UnsupportedEncodingException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
} catch (FileNotFoundException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
} catch (IOException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
}
if(log.isDebugEnabled()){
log.debug("the xml content is : " + readLine.toString());
}
return readLine.toString();
}

/**
* @param xmlPath the path of XML file
* @param nodeName the node name of this node
* @param attrName the attribute name of this node
* @param attrValue the attribute value of this node
* @return boolean the node is exist or not
*/
public static boolean nodeIsExist(String xmlPath, String nodeName, String attrName, String attrValue){
if(log.isDebugEnabled()){
log.debug("the xml path is : " + xmlPath);
log.debug("the node name is : " + nodeName);
log.debug("the attribute name is : " + nodeName);
log.debug("the attribute value is : " + nodeName);
}
boolean flag = false;
try {
SAXBuilder builder = new SAXBuilder();
Document document = builder.build(xmlPath);
Element root = document.getRootElement();
XPath xpath = XPath.newInstance("//" + nodeName + "[@" + attrName + "='" + attrValue + "']");
Element e = (Element) xpath.selectSingleNode(root);
if(e != null){
flag = true;
}
} catch (JDOMException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
} catch (IOException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
}
return flag;
}

/**
*
* @param xmlPath the path of XML file
* @param nodeName the node name of this node
* @param attrName the attribute name of this node
* @param attrValue the attribute value of this node
* @param nodeText the text of this node
* @return boolean the node is exist or not
*/
@SuppressWarnings("unchecked")
public static boolean nodeIsExist(String xmlPath, String nodeName, String attrName, String attrValue, String nodeText){
boolean flag = false;

try {
SAXBuilder builder = new SAXBuilder();
Document document = builder.build(xmlPath);
Element root = document.getRootElement();
XPath xpath = XPath.newInstance("//" + nodeName + "[@" + attrName + "='" + attrValue + "']");
List<Element> elist = (List<Element>) xpath.selectNodes(root);

for(Element e : elist){
if(e.getText().equals(nodeText)){
flag = true;
break;
}
}
} catch (JDOMException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
} catch (IOException e) {
if(log.isErrorEnabled()){
log.error(e.getMessage());
}
}
return flag;
}

public static void main(String[] args) {
System.out.println(XmlUtil.getContent("C:/CPSolution/XmlDB/UserDB.xml"));
}
}