package com.cnblogs.android.parser;
import java.util.ArrayList;
import java.util.Date;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import android.util.Log;
import org.xml.sax.Attributes;
import com.cnblogs.android.entity.*;
import com.cnblogs.android.utility.AppUtil;
import org.apache.commons.lang.*;
/**
* Blog����xml������
*
* @author walkingp
*
*/
public class RssListXmlParser extends DefaultHandler {
final String ENTRY_TAG = "Item";// �����
final String ENTRY_ID_TAG = "RssId";// ��ű��
final String ENTRY_TITLE_TAG = "Title";// ������
final String ENTRY_SUMMARY_TAG = "Description";// �����
final String ENTRY_PUBLISHED_TAG = "AddTime";// ����ʱ����
final String ENTRY_UPDATED_TAG = "Updated";// ����ʱ����
final String ENTRY_AUTHOR_NAME_TAG = "Author";// ����������
final String ENTRY_LINK_TAG = "Link";// ʵ�����ӵ�ַ
final String ENTRY_AVATOR_TAG = "Image";// Logo��ַ
final String ENTRY_RSS_NUM_TAG = "RssNum";// ���Ĵ���
final String ENTRY_IS_CNBLOGS_TAG = "IsCnblogs";// �Ƿ����Բ���
private ArrayList<RssList> listRss;// ����
private RssList entity;// ��������
private boolean isStartParse;// ��ʼ����
private StringBuilder currentDataBuilder;// ��ǰȡ����ֵ
/**
* Ĭ�Ϲ��캯��
*/
public RssListXmlParser() {
super();
}
/**
* ���캯��
*
* @return
*/
public RssListXmlParser(ArrayList<RssList> list) {
this.listRss = list;
}
/**
* ���������
*
* @return
*/
public ArrayList<RssList> GetRssList() {
return listRss;
}
/**
* �ĵ���ʼʱ����
*/
public void startDocument() throws SAXException {
Log.i("Blog", "�ĵ�������ʼ");
super.startDocument();
listRss = new ArrayList<RssList>();
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)) {
entity = new RssList();
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_TITLE_TAG)) {// ����
try {
chars = StringEscapeUtils.unescapeHtml(chars);// ���б��봦���������>����html
} catch (Exception ex) {
Log.e("rssXml", "__________��������_____________");
}
entity.SetTitle(chars);
} else if (localName.equalsIgnoreCase(ENTRY_SUMMARY_TAG)) {// ժҪ
try {
chars = StringEscapeUtils.unescapeHtml(chars);// ���б��봦���������>����html
} catch (Exception ex) {
Log.e("rssXml", "__________��������_____________");
}
entity.SetDescription(chars);
} else if (localName.equalsIgnoreCase(ENTRY_ID_TAG)) {// ���
int id = Integer.parseInt(chars);
entity.SetRssId(id);
} else if (localName.equalsIgnoreCase(ENTRY_RSS_NUM_TAG)) {// ���
int id = Integer.parseInt(chars);
entity.SetRssNum(id);
} else if (localName.equalsIgnoreCase(ENTRY_PUBLISHED_TAG)) {// ����ʱ��
Date addTime = AppUtil.ParseUTCDate(chars);
entity.SetAddTime(addTime);
} else if (localName.equalsIgnoreCase(ENTRY_UPDATED_TAG)) {// ��ʱ��
Date updateTime = AppUtil.ParseUTCDate(chars);
entity.SetUpdated(updateTime);
} else if (localName.equalsIgnoreCase(ENTRY_AUTHOR_NAME_TAG)) {// ��������
entity.SetAuthor(chars);
} else if (localName.equalsIgnoreCase(ENTRY_AVATOR_TAG)) {// Logo��ַ
entity.SetImage(chars);
} else if (localName.equalsIgnoreCase(ENTRY_LINK_TAG)) {// ʵ��
entity.SetLink(chars);
} else if (localName.equalsIgnoreCase(ENTRY_IS_CNBLOGS_TAG)) {// �Ƿ����Բ���
int id = Integer.parseInt(chars);
boolean isCnblogs = id == 1;
entity.SetIsCnblogs(isCnblogs);
} else if (localName.equalsIgnoreCase(ENTRY_TAG)) {// ��ֹ
listRss.add(entity);
isStartParse = false;
}
}
currentDataBuilder.setLength(0);
}
/**
* �ĵ�����ʱ����
*/
public void endDocument() throws SAXException {
Log.i("Rss", "�ĵ���������");
super.endDocument();
}
}