package com.cnblogs.android.parser;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import android.util.Log;
/**
* ʵ����ת��
*
* @author walkingp
*
*/
public class BlogXmlParser extends DefaultHandler {
final String ENTRY_TAG = "string";// �����
private String blogContent;// ��������
private boolean isStartParse;// ��ʼ����
private StringBuilder currentDataBuilder;// ��ǰȡ����ֵ
/**
* Ĭ�Ϲ��캯��
*/
public BlogXmlParser() {
super();
}
/**
* ���캯��
*
* @return
*/
public BlogXmlParser(String content) {
this.blogContent = content;
}
/**
* ���������
*
* @return
*/
public String GetBlogContent() {
return blogContent;
}
/**
* �ĵ���ʼʱ����
*/
public void startDocument() throws SAXException {
Log.i("Blog", "�ĵ�������ʼ");
super.startDocument();
currentDataBuilder = new StringBuilder();
}
/**
* ��ȡ������XML����
*/
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
super.startElement(uri, localName, qName, attributes);
if (localName.equalsIgnoreCase(ENTRY_TAG)) {
blogContent = "";
isStartParse = true;
}
}
/**
* ��ȡԪ������
*
* @param ch
* @param start
* @param length
* @throws SAXException
*/
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
super.characters(ch, start, length);
currentDataBuilder.append(ch, start, length);
}
/**
* Ԫ�ؽ���ʱ����
*/
@Override
public void endElement(String uri, String localName, String qName)
throws SAXException {
super.endElement(uri, localName, qName);
if (isStartParse) {// ����Ŀ��
String chars = currentDataBuilder.toString();
Log.i("Blog", "���ڽ���" + localName);
// ����
if (localName.equalsIgnoreCase(ENTRY_TAG)) {// ����
blogContent = chars;
isStartParse = false;
}
}
currentDataBuilder.setLength(0);
}
/**
* �ĵ�����ʱ����
*/
public void endDocument() throws SAXException {
Log.i("Blog", "�ĵ���������");
super.endDocument();
}
}