使用groovy脚本解析JSON(使用JsonSlurper) [英] Parse JSON using groovy script (using JsonSlurper)

问题描述

我只有两天大的时间，我需要解析一个具有以下结构的json文件.我的实际想法是我需要根据不同的顺序在不同的环境中运行一组作业，因此我想出了这种json格式作为groovy的输入文件

I am just two days old to groovy, I need to parse a json file with below structure. My actual idea is I need to run a set of jobs in different environments based on different sequences, so I came up with this format of json as a input file to my groovy

{
    "services": [{
        "UI-Service": [{
            "file-location": "/in/my/server/location",
            "script-names": "daily-batch,weekly-batch,bi-weekly-batch",
            "seq1": "daily-batch,weekly-batch",
            "seq2": "daily-batch,weekly-batch,bi-weekly-batch",
            "DEST-ENVT_seq1": ["DEV1", "DEV2", "QA1", "QA2"],
            "DEST-ENVT_seq2": ["DEV3", "DEV4", "QA3", "QA4"]
        }]
    }, {
        "Mobile-Service": [{
            "file-location": "/in/my/server/location",
            "script-names": "daily-batch,weekly-batch,bi-weekly-batch",
            "seq1": "daily-batch,weekly-batch",
            "seq2": "daily-batch,weekly-batch,bi-weekly-batch",
            "DEST-ENVT_seq1": ["DEV1", "DEV2", "QA1", "QA2"],
            "DEST-ENVT_seq2": ["DEV3", "DEV4", "QA3", "QA4"]
        }]
    }]
}

我尝试了以下脚本来解析json

I tried below script for parsing the json

        def jsonSlurper = new JsonSlurper()
        //def reader = new BufferedReader(new InputStreamReader(new FileInputStream("in/my/location/config.json"),"UTF-8"))
        //def data = jsonSlurper.parse(reader)
        File file = new File("in/my/location/config.json")
        def data = jsonSlurper.parse(file)

        try{
            Map jsonResult = (Map) data;
            Map compService = (Map) jsonResult.get("services");
            String name = (String) compService.get("UI-Service");
            assert name.equals("file-location");

        }catch (E){
            println Exception
        }

我需要先阅读所有服务(UI服务，移动服务等)，然后阅读其元素及其值

I need to first read all the services (UI-service, Mobile-Service, etc..) then their elements and their value

推荐答案

从JsonParser对象读取的示例:

Example for reading from JsonParser object:

def data = jsonSlurper.parse(file)
data.services.each{ 
    def serviceName = it.keySet()
    println "**** key:${serviceName}  ******"
    it.each{ k, v ->
        println "element name: ${k}, element value: ${v}"
    }
}

其他选项:

println data.services[0].get("UI-Service")["file-location"]
println data.services[1].get("Mobile-Service").seq1

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