OpenfireUtil.java

package com.partynetwork.dataprovider.util;

public class OpenfireUtil {
	
	/**
	 * 处理空字符串
	 * 
	 * @param str
	 * @return String
	 */
	public static String doEmpty(String str) {
		return doEmpty(str, "");
	}

	/**
	 * 处理空字符串
	 * 
	 * @param str
	 * @param defaultValue
	 * @return String
	 */
	public static String doEmpty(String str, String defaultValue) {
		if (str == null || str.equalsIgnoreCase("null")
				|| str.trim().equals("") || str.trim().equals("－请选择－")) {
			str = defaultValue;
		} else if (str.startsWith("null")) {
			str = str.substring(4, str.length());
		}
		return str.trim();
	}
	
	/**
	 * 请选择
	 */
	final static String PLEASE_SELECT = "请选择...";

	public static boolean notEmpty(Object o) {
		return o != null && !"".equals(o.toString().trim())
				&& !"null".equalsIgnoreCase(o.toString().trim())
				&& !"undefined".equalsIgnoreCase(o.toString().trim())
				&& !PLEASE_SELECT.equals(o.toString().trim());
	}

	public static boolean empty(Object o) {
		return o == null || "".equals(o.toString().trim())
				|| "null".equalsIgnoreCase(o.toString().trim())
				|| "undefined".equalsIgnoreCase(o.toString().trim())
				|| PLEASE_SELECT.equals(o.toString().trim());
	}

	/**
	 * 给JID返回用户名
	 * 
	 * @param Jid
	 * @return
	 */
	public static String getUserNameByJid(String Jid) {
		if (empty(Jid)) {
			return null;
		}
		if (!Jid.contains("@")) {
			return Jid;
		}
		return Jid.split("@")[0];
	}

	/**
	 * 给用户名返回JID
	 * 
	 * @param jidFor
	 *            域名//如ahic.com.cn
	 * @param userName
	 * @return
	 */
	public static String getJidByName(String userName, String jidFor) {
		if (empty(jidFor) || empty(jidFor)) {
			return null;
		}
		return getUserNameByJid(userName) + "@" + jidFor;
	}

	/**
	 * 给用户名返回JID
	 * 
	 * @param userName
	 * @return
	 */
	public static String getJidByName(String userName) {
		String jidFor = AppConst.SERVER_NAME;
		return getJidByName(userName, jidFor);
	}
}