package com.aijia.util;


import java.util.regex.Matcher;
import java.util.regex.Pattern;


import org.json.JSONException;
import org.json.JSONObject;


public class PatternUtil {
	/**
	 * 驗證字串是否是email
	 * 
	 * @param str
	 * @return
	 */
	public static boolean isEmail(String str) {
		Pattern pattern = Pattern.compile(
				"[//w//.//-]
 
[email protected]([//w//-]+//.)+[//w//-]+",
				Pattern.CASE_INSENSITIVE);
		Matcher matcher = pattern.matcher(str);
		if (matcher.matches()) {
			return true;
		} else {
			return false;
		}
	}


	/**
	 * 驗證是否是手機號碼
	 * 
	 * @param str
	 * @return
	 */
	public static boolean isCellphone(String str) {
		Pattern pattern = Pattern.compile("1[0-9]{10}");
		Matcher matcher = pattern.matcher(str);
		if (matcher.matches()) {
			return true;
		} else {
			return false;
		}
	}


	/**
	 * 驗證是否是QQ號碼
	 * 
	 * @param str
	 * @return
	 */
	public static boolean isQQ(String str) {
		Pattern pattern = Pattern.compile("[1-9]{5,10}");
		Matcher matcher = pattern.matcher(str);
		if (matcher.matches()) {
			return true;
		} else {
			return false;
		}
	}


	/**
	 * 判斷字串是否是數字
	 */
	public static boolean isNumber(String value) {
		return isInteger(value) || isDouble(value);
	}


	/**
	 * 判斷字串是否是整數
	 */
	public static boolean isInteger(String value) {
		try {
			Integer.parseInt(value);
			return true;
		} catch (NumberFormatException e) {
			return false;
		}
	}


	/**
	 * 判斷字串是否是浮點數
	 */
	public static boolean isDouble(String value) {
		try {
			Double.parseDouble(value);
			if (value.contains("."))
				return true;
			return false;
		} catch (NumberFormatException e) {
			return false;
		}
	}


	/**
	 * 判斷是否是json結構
	 */
	public static boolean isJson(String value) {
		try {
			new JSONObject(value);
		} catch (JSONException e) {
			return false;
		}
		return true;
	}


	/**
	 * 判斷是否是xml結構
	 */
	public static boolean isXML(String value) {
		try {
			DocumentHelper.parseText(value);
		} catch (DocumentException e) {
			return false;
		}
		return true;
	}


}