数据集：groovy执行java代码
Raod
3 years ago
parent
0b251147a7
commit
f09c737461
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package com.anjiplus.template.gaea.business.modules.datasettransform.service;
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import com.alibaba.fastjson.JSONObject;
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import java.util.List;
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/**
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* @author: Raod
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* @since: 2022-02-23
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*/
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public interface IGroovyHandler {
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List<JSONObject> transform(List<JSONObject> data);
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}
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package com.anjiplus.template.gaea.business.modules.datasettransform.service.impl;
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import com.alibaba.fastjson.JSONObject;
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import com.anji.plus.gaea.exception.BusinessExceptionBuilder;
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import com.anjiplus.template.gaea.business.code.ResponseCode;
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import com.anjiplus.template.gaea.business.modules.datasettransform.controller.dto.DataSetTransformDto;
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import com.anjiplus.template.gaea.business.modules.datasettransform.service.IGroovyHandler;
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import com.anjiplus.template.gaea.business.modules.datasettransform.service.TransformStrategy;
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import groovy.lang.GroovyClassLoader;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import javax.script.Invocable;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import java.util.List;
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/**
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* Created by raodeming on 2021/3/23.
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*/
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@Component
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@Slf4j
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public class GroovyTransformServiceImpl implements TransformStrategy {
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private GroovyClassLoader groovyClassLoader = new GroovyClassLoader();
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/**
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* 数据清洗转换 类型
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*
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* @return
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*/
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@Override
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public String type() {
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return "javaBean";
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}
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/***
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* 清洗转换算法接口
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* @param def
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* @param data
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* @return
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*/
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@Override
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public List<JSONObject> transform(DataSetTransformDto def, List<JSONObject> data) {
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String transformScript = def.getTransformScript();
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Class<?> clazz = groovyClassLoader.parseClass(transformScript);
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if (clazz != null) {
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try {
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Object instance = clazz.newInstance();
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if (instance!=null) {
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if (instance instanceof IGroovyHandler) {
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IGroovyHandler handler = (IGroovyHandler) instance;
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return handler.transform(data);
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} else {
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System.err.println("转换失败！");
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}
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}
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} catch (Exception e) {
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log.info("执行javaBean异常", e);
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throw BusinessExceptionBuilder.build(ResponseCode.EXECUTE_GROOVY_ERROR, e.getMessage());
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}
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}
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return data;
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}
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}
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UPDATE `aj_report`.`gaea_dict_item` SET `dict_code` = 'TRANSFORM_TYPE', `item_name` = 'java脚本', `item_value` = 'javaBean', `item_extend` = NULL, `enabled` = 1, `locale` = 'zh', `remark` = NULL, `sort` = 2, `create_by` = 'admin', `create_time` = '2021-03-23 10:54:08', `update_by` = 'admin', `update_time` = '2021-03-23 10:54:08', `version` = 1 WHERE `id` = 151;
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package com;
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import com.alibaba.fastjson.JSONObject;
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import com.anjiplus.template.gaea.business.modules.datasettransform.service.IGroovyHandler;
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import groovy.lang.GroovyClassLoader;
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import java.util.List;
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/**
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* @author: Raod
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* @since: 2022-02-23
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*/
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public class GroovyTest {
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public static void main(String[] args) throws InstantiationException, IllegalAccessException {
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// codeSource来自DemoGroovyHandler
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String codeSource = "package com;\n" +
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"\n" +
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"import com.alibaba.fastjson.JSONObject;\n" +
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"import com.anjiplus.template.gaea.business.modules.datasettransform.service.IGroovyHandler;\n" +
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"\n" +
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"import java.util.ArrayList;\n" +
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"import java.util.List;\n" +
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"\n" +
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"/**\n" +
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" * @author: Raod\n" +
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" * @since: 2022-02-23\n" +
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" */\n" +
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"public class DemoGroovyHandler implements IGroovyHandler {\n" +
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"\n" +
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" @Override\n" +
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" public List<JSONObject> transform(List<JSONObject> data) {\n" +
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" List<JSONObject> result = new ArrayList<>();\n" +
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" JSONObject jsonObject = new JSONObject();\n" +
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" jsonObject.put(\"test\", \"demo\");\n" +
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" result.add(jsonObject);\n" +
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" return result;\n" +
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" }\n" +
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"}";
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GroovyClassLoader groovyClassLoader = new GroovyClassLoader();
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Class<?> clazz = groovyClassLoader.parseClass(codeSource);
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if (clazz != null) {
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Object instance = clazz.newInstance();
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if (instance!=null) {
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if (instance instanceof IGroovyHandler) {
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IGroovyHandler handler = (IGroovyHandler) instance;
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List<JSONObject> transform = handler.transform(null);
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System.out.println(JSONObject.toJSONString(transform));
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} else {
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System.err.println("转换失败！");
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}
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}
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}
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}
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}
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