java將很長的一條sql語句,自動換行輸出(修改版)2019-06-01(bug未修復)

package org.jimmy.autosearch2019.test;

import java.util.HashMap;

public class AutoLinefeedSql {

    public static final String BLANK = " ";
    public static final String BLANK_REG = " {2,}";
    public static final String SEMICOLON = ";";
    public static final String COMMA = ",";
    public static final String COMMA_REG = ", +| +,";
    public static final int WORD_PER_LINE = 4;
    public static HashMap<Integer, Integer> replaceMap = new HashMap<Integer, Integer>();
    public static final String SINGLE_QUOTE_REG = "'";
    public static final String REPLACE_TEXT = "\u9fa5";
    
    public static void main(String[] args) {
        String sql = "with result as( select t.str from( select '1' str union all select '2' str union all select '3' str union all select '4' str union all select '5' str union all select '6' str union all select '7' str ) t cross apply (select t2.str from( select '1' str union all select '2' str union all select '3' str union all select '4' str ) t2 where t.str = t2.str) t3) select * from result; go";
        sql = replaceSpecialStr(sql, SINGLE_QUOTE_REG, REPLACE_TEXT);
        System.out.println(autoLinefeed(sql, SINGLE_QUOTE_REG, REPLACE_TEXT));
    }

    /**
     * @author ラピスラズリ(Dawn)
     * @date 2019年6月1日 下午4:29:19
     * @detail 替換成必定不會出如今sql中的字符串,換行後再替換回來
     */
    public static String replaceSpecialStr(String sql, String reg, String text) {
        sql = sql.replaceAll(reg, text);
        return sql;
    }
    
    /**
     * @author ラピスラズリ(Dawn)
     * @date 2019年6月1日 下午4:29:55
     * @detail 自動換行sql
     */
    public static String autoLinefeed(String sql, String reg, String replaceText) {
        //空格數超過2就替換成1個空格
        sql = sql.replaceAll(BLANK_REG, BLANK);
        //,空格或空格,替換成,
        sql = sql.replaceAll(COMMA_REG, COMMA);
        StringBuffer linefeededTextSb = new StringBuffer();
        String[] sqlSubArr = sql.split(BLANK);
        for(int i = 0; i < sqlSubArr.length; i++) {
            String sqlSub = sqlSubArr[i].trim();
            if(sqlSub.indexOf(SEMICOLON) == sqlSub.length() - 1) {
                linefeededTextSb.append(sqlSub + System.lineSeparator());
            }else {
                if(i % WORD_PER_LINE == WORD_PER_LINE - 1) {
                    linefeededTextSb.append(sqlSub + System.lineSeparator());
                }else {
                    linefeededTextSb.append(sqlSub + BLANK);
                }
            }
        }
        sql = linefeededTextSb.toString();
        linefeededTextSb = new StringBuffer();
        sqlSubArr = sql.split(COMMA);
        if(sqlSubArr != null && sqlSubArr.length > 0) {
            for(int i = 0; i < sqlSubArr.length; i++) {
                String sqlSub = sqlSubArr[i];
                if(sqlSub.indexOf(SEMICOLON) == sqlSub.length() - 1) {
                    linefeededTextSb.append(sqlSub + System.lineSeparator());
                }else {
                    if(i % WORD_PER_LINE == WORD_PER_LINE - 1) {
                        linefeededTextSb.append(sqlSub + COMMA + System.lineSeparator());
                    }else {
                        linefeededTextSb.append(sqlSub + COMMA);
                    }
                }
            }
        }
        if(linefeededTextSb.lastIndexOf(COMMA) == linefeededTextSb.length() - 1) {
            linefeededTextSb.deleteCharAt(linefeededTextSb.length() - 1);
        }
        String text = linefeededTextSb.toString();
        text = text.replaceAll(replaceText, reg);
        return text;
    }
    
    /*public static void replaceSpecialStr() {
        Set<Entry<Integer, Integer>> entrySet = replaceMap.entrySet();
        Iterator<Entry<Integer, Integer>> iterator = entrySet.iterator();
        while(iterator.hasNext()) {
            int index = iterator.next().getValue();
        }
    }
    
    public static void initReplaceMap(String sql, int index, String text) {
        System.out.println("index:" + index + ",text:" + text);
        int singleQuoteIndex1 = index;
        int singleQuoteIndex2 = index + text.length() - 1;
        replaceMap.put(singleQuoteIndex1, singleQuoteIndex1);
        replaceMap.put(singleQuoteIndex2, singleQuoteIndex2);
        String singleQuote1 = sql.substring(singleQuoteIndex1, singleQuoteIndex1 + 1);
        System.out.println(singleQuote1);
        String singleQuote2 = sql.substring(singleQuoteIndex2, singleQuoteIndex2 + 1);
        System.out.println(singleQuote2);
    }
    
    */
    
}

運行後效果圖: