java 代码解析elasticsearch索引数据

# 请求url:

private static final String URL_ALL_INDEX = "http://esHost:9200/_cat/indices?v";

# step2:拿到索引数据  responseBody  后解析

package com.dzh.extra.utils;

import com.dzh.extra.consts.ConstNumber;
import com.dzh.extra.consts.ConstStringCommon;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class EsUtil {

    private static final String SPLIT_REGEX = "pri.store.size";

    /**
     * 解析ES索引数据
     */
    public static List<List<String>> getAllIndex(String responseBody) {
        List<List<String>> listAll = new ArrayList<>();
        // 截取头部
        String[] splitString = responseBody.split(SPLIT_REGEX, ConstNumber.TWO);
        // 截取体部
        if (StringUtil.isBlank(splitString[1])){
            return listAll;
        }
        String[] splitBodyString = splitString[1].split(ConstStringCommon.NEW_LINE, ConstNumber.SIX_THOUSAND);
        List<String> splitBody = Arrays.asList(splitBodyString);
        // 遍历取元素
        List<String> listElement = null;
        for (int i = 0; i < splitBody.size(); i++) {
            String[] split = splitBody.get(i).split(ConstStringCommon.BLANK_STRING, ConstNumber.SIX_THOUSAND);
            List<String> splitBodyElement = Arrays.asList(split);
            if (CollectionUtil.isNotEmpty(splitBodyElement)){
                listElement = new ArrayList<>();
                for (String s : splitBodyElement) {
                    if (StringUtil.isNotBlank(s)){
                        listElement.add(s);
                    }
                }
            }
            if (CollectionUtil.isNotEmpty(listElement))
                listAll.add(listElement);
        }
        return listAll;
    }
}

package com.dzh.extra.consts;

public class ConstStringCommon {

    public static final String NEW_LINE = "\n";

    public static final String COLON = ":";

    public static final String SPILT_LINE = ",";

    public static final String SLASH = "/";

    public static final String EMPTY_STRING = "";

    public static final String BLANK_STRING = " ";

    public static final String CHARSET_NAME_ISO = "ISO-8859-1";

    public static final String CHARSET_NAME_UTF8 = "UTF-8";

    public static final String CHARSET_NAME_GB = "GB2312";

    public static final String TRUE = "true";

    public static final String FALSE = "false";
}

package com.dzh.extra.consts;

public class ConstNumber {

    public static final Integer ZERO = 0;

    public static final Integer TWO = 2;

    public static final Integer TEN = 10;

    public static final Integer SIXTEEN = 16;

    public static final Integer THOUSAND = 1000;

    public static final Integer SIX_THOUSAND = 6000;

    public static final Integer TWELVE_THOUSAND = 12000;

    public static final Integer HUNDRED_THOUSAND = 100000;

}

#  后面也可以自己转成map