Reading XML files using SAX (2)

Read contests. xml
<? XML version = "1.0" ?>
<! -- Java and XML Contents -->
< Book >
< Title > Java and XML </ Title >  
<! -- Chapter list -->
< Contents >
< Chapter Title = "Introduction" Number = "1" >
< Topic Name = "XML matters" />  
< Topic Name = "What's important" />
< Topic Name = "The essentials" />
< Topic Name = "What & apos; s next? " />
</ Chapter >
< Chapter Title = "Nuts and bolts" Number = "2" >
< Topic Name = "The basics" />
< Topic Name = "Constraints" />
< Topic Name = "Transformations" />
< Topic Name = "And more" />
< Topic Name = "What & apos; s next? " />
</ Chapter >
< Chapter Title = "Sax" Number = "3" >
< Topic Name = "Getting prepared" />
< Topic Name = "Sax readers" />
< Topic Name = "Content handlers" />
< Topic Name = "Gotcha! " />
< Topic Name = "What & apos; s next? " />
</ Chapter >
</ Contents >
</ Book >

Java files

PackageCom. test;

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 saxxml extends defaulthandler {

private int index1 = 0 ;
private int index2 = 0 ;

Public VoidCharacters (Char[] CH,IntStart,IntLength)
ThrowsSaxexception {

Try {
String Str =   New String (CH, start, length );
If (Str. Trim (). Length () >   0 ){
System. Out. println ( " This book < "   + Str +   " > Directory " );
}

}Catch(Exception e ){
E. printstacktrace ();
}
}

Public void enddocument () throws saxexception {
system. out. println ( " resolution ended: " );
}

Public void endelement (string Uri, string localname, string QNAME)
throws saxexception {

If (QNAME. equalsignorecase ( " chapter " ))
This . index2 = 0 ;
}

Public void startdocument () throws saxexception {
system. out. println ( " resolution start: " );
}

Public VoidStartelement (string Uri, string localname, string QNAME,
Attributes ATTS)ThrowsSaxexception {

If (QNAME. inclusignorecase ( " Chapter " )){
Index1 ++ ;
For ( Int I =   0 ; I < ATTS. getlength (); I ++ ){
String attname = ATTS. getqname (I );
If (Attname. inclusignorecase ( " Title " )){
System. Out. println ( " The "   + Index1 +   " Chapter: "   + ATTS. getvalue (I ));
}
}
}

If (QNAME. inclusignorecase ( " Topic " )){
Index2 ++ ;
For ( Int I =   0 ; I < ATTS. getlength (); I ++ ){
String attname = ATTS. getqname (I );
If (Attname. inclusignorecase ( " Name " )){
System. Out. println ( " The "   + Index2 +   " Part: "
+ ATTS. getvalue (I ));
}
}
}
}

Public   Static   Void Main (string [] ARGs) Throws Exception {
String xmluri =   " Contents. xml " ; // Relative path
Xmlreader = Xmlreaderfactory. createxmlreader ();
Reader. setcontenthandler ( New Saxxml ());
Inputsource =   New Inputsource (xmluri );
Reader. parse (inputsource );

/*Method 2
Saxparserfactory factory = saxparserfactory. newinstance ();
Factory. setnamespaceaware (true );
Factory. setvalidating (true );
Saxparser parser = factory. newsaxparser ();
Parser. parse ("contents. xml", new saxxml ());*/
}
}

 

> Result:

Resolution start:
<Java and XML>
Chapter 2: Introduction
Part 1: XML matters
Part 1: What's important
Part 1: The Essentials
Part 1: What's next?
Chapter 2: nuts and bolts
Part 1: the basics
Part 1: Constraints
Part 1: Transformations
Part 1: And more...
Part 1: What's next?
Chapter 2: Sax
Part 1: getting prepared
Part 1: sax readers
Part 1: Content handlers
Part 1: Gotcha!
Part 1: What's next?
Resolution ended: