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📄 bookhandler.java.txt

📁 基于J2ME的小型移动电子商务系统,基于J2ME平台的终端的应用程序开发
💻 TXT
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import java.util.*;
import java.io.*;
import org.xml.sax.*;
public class BookHandler extends HandlerBase{
//用于保存搜索结果的Vector
private Vector bookList;
//得到处理的当前元素
private Book currBook;
private Pair currPricePair;

BookHandler(){
bookList = new Vector();
}

public Vector getBooks(){
return bookList;
}

public void startElement(
String name,AttributeList attribute)throws SAXException{
currTag = name;
if (currTag.equals("BOOK"))
currBook = new Book();
else if(currTag.equals("SITENAME"))
currPricePair = new Pair();
System.out.println("Start:<" + name + ">");
}

public void endElement(String name)
throws SAXException{
currTag = name;
if (currTag.equals("BOOK"))
bookList.addElement(currBook);
else if(currTag.equals("PRICE"))
currBook.addPricePair(currPricePair);
System.out.println("End:<" + name + ">");
}

public void characters(char ch[],int start,int length)throws SAXException{
	String contents = new String(ch,start,length);
	//在当前Book对象各域中填入已解析数据
	if(currTag.equals("TITLE"))
	currBook.setTitle(contents);
	else if (currTag.equals("AUTHOR"))
  currBook.setAuthor(contents);
  else if(currTag.equals("PUBLISHER"))
	currBook.setPublisher(contents);
	else if(currTag.equals("ISBN"))
	currBook.setIsbn(contents);
	else if(currTag.equals("SITENAME"))
	currPricePair.setSitename(contents);
	else if(currTag.equals("PRICE"))
	currPricePair.setPrice(contents);
}
}     

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