package net.dev123.mblog.sina;
import static net.dev123.commons.util.ParseUtil.getBoolean;
import static net.dev123.commons.util.ParseUtil.getDate;
import static net.dev123.commons.util.ParseUtil.getInt;
import static net.dev123.commons.util.ParseUtil.getRawString;
import java.text.ParseException;
import java.util.ArrayList;
import net.dev123.commons.PagableList;
import net.dev123.commons.ServiceProvider;
import net.dev123.commons.util.ParseUtil;
import net.dev123.entity.Gender;
import net.dev123.exception.ExceptionCode;
import net.dev123.exception.LibException;
import net.dev123.mblog.entity.User;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
/**
* SinaUserAdaptor
*
* @version
* @author 马庆升
* @time 2010-8-30 下午03:58:58
*/
public class SinaUserAdaptor {
/**
* 从JSON字符串创建User对象
*
* @param jsonString
* JSON字符串
* @return User对象
* @throws LibException
*/
public static User createUser(String jsonString) throws LibException {
try {
JSONObject json = new JSONObject(jsonString);
return createUser(json);
} catch (JSONException e) {
throw new LibException(ExceptionCode.JSON_PARSE_ERROR);
}
}
/**
* 从JSON字符串创建User对象列表
*
* @param jsonString
* JSON字符串
* @return User对象列表
* @throws LibException
*/
public static PagableList<User> createPagableUserList(String jsonString) throws LibException {
try {
if ("[]".equals(jsonString) || "{}".equals(jsonString)) {
return new PagableList<User>(0, 0, 0);
}
JSONObject json = new JSONObject(jsonString);
JSONArray jsonArray = json.getJSONArray("users");
long nextCursor = 0L;
long previousCursor = 0L;
if (json.has("next_cursor")) {
nextCursor = ParseUtil.getLong("next_cursor", json);
previousCursor = ParseUtil.getLong("previous_cursor", json);
}
int size = jsonArray.length();
PagableList<User> userList = new PagableList<User>(size, previousCursor, nextCursor);
JSONObject jsonObject = null;
for (int i = 0; i < size; i++) {
jsonObject = jsonArray.getJSONObject(i);
if (jsonObject == null || jsonObject.toString().equals("{}")) {
continue;
}
userList.add(createUser(jsonObject));
}
return userList;
} catch (JSONException e) {
throw new LibException(ExceptionCode.JSON_PARSE_ERROR);
}
}
/**
* 从JSON字符串创建User对象列表
*
* @param jsonString
* JSON字符串
* @return User对象列表
* @throws LibException
*/
public static ArrayList<User> createUserList(String jsonString) throws LibException {
try {
if ("[]".equals(jsonString) || "{}".equals(jsonString)) {
return new ArrayList<User>(0);
}
JSONArray jsonArray = new JSONArray(jsonString);
int size = jsonArray.length();
ArrayList<User> userList = new ArrayList<User>(size);
JSONObject jsonObject = null;
for (int i = 0; i < size; i++) {
jsonObject = jsonArray.getJSONObject(i);
if (jsonObject == null || jsonObject.toString().equals("{}")) {
continue;
}
userList.add(createUser(jsonObject));
}
return userList;
} catch (JSONException e) {
throw new LibException(ExceptionCode.JSON_PARSE_ERROR);
}
}
/**
* 从JSON对象创建User对象,包级别访问权限控制
*
* @param json
* JSON对象
* @return User对象
* @throws LibException
*/
static User createUser(JSONObject json) throws LibException {
try {
User user = new User();
user.setId(getRawString("id", json));
user.setName(getRawString("domain", json)); //新浪不支持name属性,用个性网址填充
user.setScreenName(getRawString("screen_name", json));
user.setLocation(getRawString("location", json));
user.setDescription(getRawString("description", json));
user.setContributorsEnabled(getBoolean("contributors_enabled", json));
user.setProfileImageUrl(getRawString("profile_image_url", json));
user.setUrl(getRawString("url", json));
user.setProtected(getBoolean("protected", json));
user.setGeoEnabled(getBoolean("geo_enabled", json));
user.setVerified(getBoolean("verified", json));
user.setFollowersCount(getInt("followers_count", json));
user.setFriendsCount(getInt("friends_count", json));
user.setCreatedAt(getDate(json.getString("created_at"), "EEE MMM dd HH:mm:ss z yyyy"));
user.setFavouritesCount(json.getInt("favourites_count"));
user.setStatusesCount(getInt("statuses_count", json));
user.setFollowing(getBoolean("following", json));
user.setGender(Gender.UNKNOW);
if (!json.isNull("gender")) {
String gender = getRawString("gender", json);
if ("m".equals(gender)) {
user.setGender(Gender.MALE);
} else if ("f".equals(gender)) {
user.setGender(Gender.FEMALE);
} else if ("n".equals(gender)) {
user.setGender(Gender.UNKNOW);
}
}
if (!json.isNull("status")) {
JSONObject statusJSON = json.getJSONObject("status");
user.setStatus(SinaStatusAdaptor.createStatus(statusJSON));
}
user.setServiceProvider(ServiceProvider.Sina);
return user;
} catch (JSONException jsone) {
throw new LibException(ExceptionCode.JSON_PARSE_ERROR);
} catch (ParseException e) {
throw new LibException(ExceptionCode.DATE_PARSE_ERROR);
}
}
}