package com.jysoft.weChat.util;

import org.springframework.util.StringUtils;

public class ParseUtil {

	/**
	 * 数字格式化
	 * 
	 * @param o
	 *            支持Float/Double/Integer
	 * @param precision
	 *            有效数字
	 * @return
	 */
	public static String parseText(Object o, int precision) {
		return parseText(o, precision, "");
	}

	/**
	 * 数字格式化
	 * 
	 * @param o
	 *            支持Float/Double/Integer
	 * @param precision
	 *            有效数字
	 * @param defaultValue
	 *            如果为空，则返回此值
	 * @return
	 */
	public static String parseText(Object o, int precision, String defaultValue) {
		if (o != null) {
			if (precision < 0) {
				return o.toString();
			}
			if (o instanceof Float || o instanceof Double) {
				return String.format("%." + String.valueOf(precision) + "f", o);
			} else if (o instanceof Integer) {
				return String.format("%d", o);
			}
		}
		return defaultValue;
	}

	/**
	 * Object乘以某只值转Float
	 * 
	 * @param o
	 * @param multi
	 *            乘以
	 * @return
	 */
	public static Float parseFloat(Object o, float multi) {
		return parseFloat(o, multi, null);
	}

	/**
	 * Object乘以某只值转Float
	 * 
	 * @param o
	 * @param multi
	 *            乘以
	 * @param defaultValue
	 *            如果为空，则返回此值
	 * @return
	 */
	public static Float parseFloat(Object o, float multi, Float defaultValue) {
		Float f = parseFloat(o);
		if (f != null) {
			return f * multi;
		}
		return defaultValue;
	}

	/**
	 * Object乘以某值转Double
	 */
	public static Double parseDouble(Object o, float multi) {
		return parseDouble(o, multi, null);
	}

	/**
	 * Object乘以某值转Double
	 */
	public static Double parseDouble(Object o, float multi, Double defaultValue) {
		Double d = parseDouble(o);
		if (d != null) {
			return d * multi;
		}
		return defaultValue;
	}

	/**
	 * 转换为字符串
	 */
	public static String parseText(Object part) {
		if (part == null) {
			return "";
		}
		return part.toString();
	}

	/**
	 * 转换为字符串
	 */
	public static String parseText(String part) {
		if (part == null) {
			return "";
		}
		return part.trim();
	}

	/**
	 * 转换为整型
	 */
	public static Integer parseInteger(Object part) {
		try {
			if (part instanceof Integer) {
				return (Integer) part;
			}
			String s = parseText(part);
			if (StringUtils.hasText(s)) {
				return Integer.parseInt(s);
			}
		} catch (Exception e) {

		}
		return null;
	}

	public static Integer parseInteger(Object part,int def) {
		try {
			if (part instanceof Integer) {
				return (Integer) part;
			}
			String s = parseText(part);
			if (StringUtils.hasText(s)) {
				return Integer.parseInt(s);
			}
		} catch (Exception e) {

		}
		return def;
	}
	/**
	 * 转换为Long
	 */
	public static Long parseLong(Object part) {
		try {
			if (part instanceof Long) {
				return (Long) part;
			}
			String s = parseText(part);
			if (StringUtils.hasText(s)) {
				return Long.parseLong(s);
			}
		} catch (Exception e) {

		}
		return null;
	}

	/**
	 * 转换为Float
	 */
	public static Float parseFloat(Object part) {
		try {
			if (part instanceof Float) {
				return (Float) part;
			}
			String s = parseText(part);
			if (StringUtils.hasText(s)) {
				return Float.parseFloat(s);
			}
		} catch (Exception e) {

		}
		return null;
	}

	/**
	 * 转换为Double
	 */
	public static Double parseDouble(Object part) {
		try {
			if (part instanceof Double) {
				return (Double) part;
			}
			String s = parseText(part);
			if (StringUtils.hasText(s)) {
				return Double.parseDouble(s);
			}
		} catch (Exception e) {

		}
		return null;
	}

}