Parsing XML summary using sax in Android Development

1. Resolution class:

Inherit and override defaulthandler.

  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 android. util. log; public class employeehandler extends   defaulthandler   {Private Static final string tag =" XML "; private list 
   
     data; private employee Employee; private string pretag; private Static final string _ Employee = "employee"; Private Static final string _ name = "name"; Private Static final string _ time = "signintime "; private Static final string _ phonenumber = "phonenumber"; Public employeehandler (list 
    
      data) {super (); this. data = data;} // parse the Document Header @ override public void startdocument () throws saxexception {
    
    

  // create an array linked list with elements as objects, used to store the data parsed by XML. If (Data = NULL) Data = new arraylist 
   
     (); log. D (TAG, "startdocument -------:"); super. startdocument () ;}@ override public void enddocument () throws saxexception {log. D (TAG, "enddocument -------:"); super. enddocument ();} // end tag of the document @ override public void startelement (string Uri, string localname, string QNAME, attributes) throws saxexception {log. D (TAG, "startelement -------: localname:" + localname); pretag = localname; If (_ employee. equalsignorecase (localname) {
    

  // create an object for storing values between tags. Employee = new employee ();} super. startelement (Uri, localname, QNAME, attributes) ;}@ override public void endelement (string Uri, string localname, string QNAME) throws saxexception {pretag = ""; if (_ employee. equalsignorecase (localname) {data. add (employee); log. D (TAG, "endelement -------: tags");} super. endelement (Uri, localname, QNAME);} // The main Parsing is here @ override public void characters (char [] CH, int start, int length) throws saxexception {string info = new string (CH, start, length); log. D (TAG, "characters -------: property value:" + info);  

// Store the values in tags into the object field if (pretag. equalsignorecase (_ name) {employee. setname (Info);} else if (pretag. equalsignorecase (_ phonenumber) {employee. setphonenumber (Info);} else if (pretag. equalsignorecase (_ time) {employee. settime (Info);} super. characters (CH, start, length);} public list <employee> getdata () {return data ;}}
 

 
2. employeexmlhelper class:
 

 
The pre-and post-processing logic required for parsing is encapsulated into a tool class for convenient calling.
 

Import Java. io. bytearrayinputstream; import Java. io. inputstream; import Java. util. arraylist; import Java. util. list; import javax. XML. parsers. saxparserfactory; import Org. XML. sax. inputsource; import Org. XML. sax. xmlreader; public class Employeexmlhelper {Public static List <employee> Parserxml (string Str) {If (null = Str) {return NULL;} string _ STR = Str. trim (); List <employee> DATA = new arraylist <employee> (); saxparserfactory factory = saxparserfactory. newinstance (); xmlreader reader; try {byte [] bytes = _ Str. getbytes (); bytearrayinputstream Bis = new bytearrayinputstream (bytes); inputsource is = new inputsource (inputstream) bis); is. setencoding ("UTF-8"); reader = factory. newsaxparser (). getxmlreader (); reader. setcontenthandler (New Employeehandler (Data); reader. parse (is);} catch (exception e) {e. printstacktrace () ;}return data ;}}
 
 
 
3. Model class
 
 
 
 
 
Package com. Swift. phoneattendance. Model; import java. Io. serializable; public class Employee Implements serializable {  String name = NULL;  String phonenumber = NULL;  String time = NULL;  Public String getname (){ Return name;  }  Public void setname (string name ){  This. Name = Name;  }  Public String getphonenumber (){  Return phonenumber;  }  Public void setphonenumber (string phonenumber ){  This. phonenumber = phonenumber;  }  Public String gettime (){  Return time;  }  Public void settime (string time ){  This. Time = time;  }}
 
4. Client call method:
 
 
The XML content is as follows:
 
<Result><Status> true <status><Employee> <Name> </Name> <phonenumber> </employee><Employee> </result>
 
 
Call parsing:
 
 
Private list <employee> DATA = employeexmlhelper. parserxml (XML );