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Example of parsing XML files using Java

Source: Internet
Author: User
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XML file

<? XML version = "1.0" encoding = "gb2312"?>
<Person>
<Name> ssuupv </Name>
<College> School of materials </College>
<Telephone> 6258113 </telephone>
<Notes> male, born in 1979, undergraduate, transferred to china Ceramics University in 99 </Notes>
</Person>

Java code

Import java. Io .*;
Import java. util. hashtable;
Import org. xml. Sax .*;

Public class saxhandler extends handlerbase {
Private hashtable table = new hashtable ();

Private string currentelement = NULL;

Private string currentvalue = NULL;

Public void settable (hashtable table ){
This. Table = table;
}

Public hashtable gettable (){
Return table;
}

Public void startelement (string tag, attributelist attrs) throws saxexception {
Currentelement = tag;
}

Public void characters (char [] CH, int start, int length) throws saxexception {
Currentvalue = new string (CH, start, length );
}

Public void endelement (string name) throws saxexception {
If (currentelement. Equals (name ))
Table. Put (currentelement, currentvalue );
}
}

 

JSP file

<HTML>

<Head>

<Title> analyze the XML file people. xml </title>

</Head>

<Body>

<% @ Page errorpage = "errpage. jsp"

Contenttype = "text/html; charset = gb2312" %>

<% @ Page import = "Java. Io. *" %>

<% @ Page import = "Java. util. hashtable" %>

<% @ Page import = "org. W3C. Dom. *" %>

<% @ Page import = "org. xml. Sax. *" %>

<% @ Page import = "javax. xml. parsers. saxparserfactory" %>

<% @ Page import = "javax. xml. parsers. saxparser" %>

<%
System. Out. println (">>>>>>>>>>>>>>>>>>>>>>>>> ");
File file = new file ("D: \ projects \ test \ webapp \ people. xml ");
Filereader reader = new filereader (File );
// String reader = "<person> <Name> ssuupv </Name> <College> School of materials </College> <telephone> 6258113 </telephone> <Notes> male, born in 1979 bachelor's Degree transferred to Emy of ceramics in 79 years </Notes> </person> ";

Parser;

Saxparserfactory SPF = saxparserfactory. newinstance ();

Saxparser sp = SPF. newsaxparser ();

Com. Test. saxhandler handler = new COM. Test. saxhandler. saxhandler ();

Sp. parse (New inputsource (Reader), Handler );

Hashtable = handler. gettable ();

Out. println ("<Table border = 2> <caption> instructor information table </caption> ");

Out. println ("<tr> <TD> name </TD>" + "<TD>" +

(String) hashtable. Get (new string ("name") + "</TD> </tr> ");

Out. println ("<tr> <TD> school </TD>" + "<TD>" +

(String) hashtable. Get (new string ("college") + "</TD> </tr> ");

Out. println ("<tr> <TD> phone number </TD>" + "<TD>" +

(String) hashtable. Get (new string ("telephone") + "</TD> </tr> ");

Out. println ("<tr> <TD> remarks </TD>" + "<TD>" +

(String) hashtable. Get (new string ("Notes") + "</TD> </tr> ");

Out. println ("</table> ");

%>

</Body>

</Html>

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Related Keywords:
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