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package org.usc.file.operater.rules;

import java.util.HashMap;
import java.util.Map;

/**
 * 简单的小写转大写转换规则（支持百以下）
 * 
 * @author ShunLi
 * @notes Created on 2010-12-11

 *        Revision of last commit:$Revision$

 *        Author of last commit:$Author$

 *        Date of last commit:$Date$

 *        
 */
public class SimpleBigToSmallConvertRule implements ConvertRule {
    private static Map numberMap = new HashMap();
    private static Map unitMap = new HashMap();

    static {
        numberMap.put("零", 0L);
        numberMap.put("一", 1L);
        numberMap.put("二", 2L);
        numberMap.put("三", 3L);
        numberMap.put("四", 4L);
        numberMap.put("五", 5L);
        numberMap.put("六", 6L);
        numberMap.put("七", 7L);
        numberMap.put("八", 8L);
        numberMap.put("九", 9L);
        numberMap.put("十", 10L);

        unitMap.put("十", 10L);
        unitMap.put("百", 100L);
    }

    @Override
    public String reNameByRule(String oldName) {
        Long sum = 0L;

        StringBuffer newName = new StringBuffer();

        int index = oldName.lastIndexOf("\\");
        if (index != -1) {
            newName.append(oldName.substring(0, index + 1));
            oldName = oldName.substring(index + 1);
        }

        int size = oldName.length();
        for (int i = 0; i < size; i++) {

            Boolean flag = false;

            if (numberMap.keySet().contains(oldName.substring(i, i + 1))) {
                Long small = numberMap.get(oldName.substring(i, i + 1));

                Long big = 1L;

                if ((i + 1 < size) && unitMap.keySet().contains(oldName.substring(i + 1, i + 2))) {
                    big = unitMap.get(oldName.substring(i + 1, i + 2));

                    i++;
                }

                sum = sum + small * big;

                flag = true;
            }

            if (!flag) {
                if (sum != 0) {
                    newName.append(sum.toString());
                }
                newName.append(oldName.substring(i, i + 1));
                sum = 0L;
            } else {
                if (sum == 0 && "零".equals(oldName.substring(i, i + 1))) {
                    newName.append(sum.toString());
                }
            }

        }
        if (sum != 0) {
            newName.append(sum.toString());
        }

        return newName.toString();
    }

    @Override
    public String reNameByRule(String oldName, String fix, String newFix) {
        return reNameByRule(oldName);
    }

    @Override
    public String reNameByRule(String oldName, String fix, String newFix, Boolean isFolder) {
        return reNameByRule(oldName);
    }

}