WxPay/.svn/pristine/9e/9e26b9044bc6fe80ab6cbbf214a75662c9d2a3b1.svn-base

package com.ynxbd.common.helper.cache;

import com.ynxbd.common.helper.common.FileHelper;

import java.util.List;

// 敏感词汇过滤
public class TextCache {
    // 缓存
    private static List<String> textList;

    private synchronized static void getTextList() {
        if (textList == null) {
            textList = FileHelper.readLineToList("wx-text.text");
        }
    }


    public static String textFilter(String text) {
        if (text == null || "".equals(text)) {
            return null;
        }
        if (textList == null) { // 初始化
            getTextList();
        }
        if (textList == null) {
            return text;
        }

        if (textList.size() == 0) {
            return text;
        }
        StringBuilder sb;
        int len;
        for (String s : textList) {
            len = s.length();
            if (text.contains(s)) {
                if (len > 3) {
                    sb = new StringBuilder();
                    for (int i = 0; i < len; i++) {
                        sb.append("*");
                    }
                    text = text.replaceAll(s, "*");
                } else {
                    if (len == 1) {
                        text = text.replaceAll(s, "*");
                    } else if (len == 2) {
                        text = text.replaceAll(s, "**");
                    } else if (len == 3) {
                        text = text.replaceAll(s, "***");
                    }
                }
            }
        }
        return text;
    }

    public static void main(String[] args) {
        String s = textFilter("批次编号:20043945妇科材料库“一次性使用无菌阴道扩张器中号A型轴转式”的库存为2已不足执行2个过程失败！");
        System.out.println(s);
    }

}