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 BlogListXmlParser extends DefaultHandler {
final String ENTRY_TAG = "entry";// �����
final String ENTRY_ID_TAG = "id";// ��ű��
final String ENTRY_TITLE_TAG = "title";// ������
final String ENTRY_SUMMARY_TAG = "summary";// �����
final String ENTRY_PUBLISHED_TAG = "published";// ����ʱ����
final String ENTRY_UPDATED_TAG = "updated";// ����ʱ����
final String ENTRY_AUTHOR_NAME_TAG = "name";// ����������
final String ENTRY_USER_NAME_TAG="blogapp";//�����û���
final String ENTRY_AUTHOR_URL_TAG = "uri";// ��������ҳ
final String ENTRY_LINK_TAG = "link";// ʵ�����ӵ�ַ
final String ENTRY_DIGG_TAG = "diggs";// �Ƽ�����
final String ENTRY_VIEW_TAG = "views";// �鿴����
final String ENTRY_COMMENTS_TAG = "comments";// ���۴���
final String ENTRY_AVATOR_TAG = "avatar";// ͷ���ַ
final String ENTRY_URL_TAG = "link";// ʵ����ַ��ǩ
final String ENTRY_URL_ATTRIBUTE_TAG = "href";// ��ַ���Ա�ǩ
private ArrayList<Blog> listBlog;// ����
private Blog entity;// ��������
private boolean isStartParse;// ��ʼ����
private StringBuilder currentDataBuilder;// ��ǰȡ����ֵ
/**
* Ĭ�Ϲ��캯��
*/
public BlogListXmlParser() {
super();
}
/**
* ���캯��
*
* @return
*/
public BlogListXmlParser(ArrayList<Blog> list) {
this.listBlog = list;
}
/**
* ���������
*
* @return
*/
public ArrayList<Blog> GetBlogList() {
return listBlog;
}
/**
* �ĵ���ʼʱ����
*/
public void startDocument() throws SAXException {
Log.i("Blog", "�ĵ�������ʼ");
super.startDocument();
listBlog = new ArrayList<Blog>();
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 Blog();
isStartParse = true;
}
if (isStartParse && localName.equalsIgnoreCase(ENTRY_URL_TAG)) {
entity.SetBlogUrl(attributes.getValue(ENTRY_URL_ATTRIBUTE_TAG));
}
}
/**
* ��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
// chars=AppUtil.HtmlToText(chars);
} catch (Exception ex) {
Log.e("blogXml", "__________��������_____________");
}
entity.SetBlogTitle(chars);
} else if (localName.equalsIgnoreCase(ENTRY_SUMMARY_TAG)) {// ժҪ
try {
// chars=URLDecoder.decode(chars);
chars = StringEscapeUtils.unescapeHtml(chars);// ���б��봦���������>����html
// chars=AppUtil.HtmlToText(chars);
} catch (Exception ex) {
Log.e("newsXml", "__________��������_____________");
}
entity.SetSummary(chars);
} else if (localName.equalsIgnoreCase(ENTRY_ID_TAG)) {// ���
int id = Integer.parseInt(chars);
entity.SetBlogId(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.SetUpdateTime(updateTime);
} else if (localName.equalsIgnoreCase(ENTRY_AUTHOR_NAME_TAG)) {// ��������
entity.SetAuthor(chars);
} else if (localName.equalsIgnoreCase(ENTRY_USER_NAME_TAG)) {// �����û���
entity.SetUserName(chars);
} else if (localName.equalsIgnoreCase(ENTRY_DIGG_TAG)) {// �Ƽ�����
entity.SetDiggsNum(Integer.parseInt(chars));
} else if (localName.equalsIgnoreCase(ENTRY_VIEW_TAG)) {// �鿴����
entity.SetViewNum(Integer.parseInt(chars));
} else if (localName.equalsIgnoreCase(ENTRY_COMMENTS_TAG)) {// ���۴���
entity.SetCommentNum(Integer.parseInt(chars));
} else if (localName.equalsIgnoreCase(ENTRY_AVATOR_TAG)) {// �û�ͷ��
entity.SetAvator(chars);
Log.i("BlogXml", chars);
} else if (localName.equalsIgnoreCase(ENTRY_AUTHOR_URL_TAG)) {// �û���ҳ
entity.SetBlogUrl(chars);
} else if (localName.equalsIgnoreCase(ENTRY_TAG)) {// ��ֹ
listBlog.add(entity);
isStartParse = false;
}
}
currentDataBuilder.setLength(0);
}
/**
* �ĵ�����ʱ����
*/
public void endDocument() throws SAXException {
Log.i("Blog", "�ĵ���������");
super.endDocument();
}
}