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[Improvement] Optimize expression variable replacement methods (DataL…
…inkDC#3259) Co-authored-by: Zzm0809 <Zzm0809@users.noreply.github.com>
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3 changes: 0 additions & 3 deletions
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dinky-admin/src/main/resources/dinky-loader/ExpressionVariableClass
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86 changes: 86 additions & 0 deletions
86
dinky-common/src/main/java/org/dinky/context/EngineContextHolder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| */ | ||
|
|
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| package org.dinky.context; | ||
|
|
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| import org.dinky.utils.StringUtil; | ||
|
|
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| import java.util.Arrays; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
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| import cn.hutool.core.bean.BeanUtil; | ||
| import cn.hutool.core.lang.Dict; | ||
| import cn.hutool.core.util.StrUtil; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
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| /** | ||
| * The EngineContextHolder | ||
| */ | ||
| @Slf4j | ||
| public class EngineContextHolder { | ||
| private static final Dict ENGINE_CONTEXT = Dict.create(); | ||
|
|
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| /** | ||
| * Get the engine contextload class | ||
| * @param variables the variables | ||
| * @return the class loader variable jexl class | ||
| */ | ||
| private static List<String> getClassLoaderVariableJexlClass(String variables) { | ||
| if (StrUtil.isBlank(variables)) { | ||
| log.warn("The variable is empty, please check the configuration."); | ||
| return Collections.emptyList(); | ||
| } | ||
| return Arrays.stream(variables.split(",")) | ||
| .map(String::trim) | ||
| .filter(s -> !s.isEmpty()) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
|
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| /** | ||
| * Load expression variable class to the engine context | ||
| * @param variables the variables | ||
| */ | ||
| public static void loadExpressionVariableClass(String variables) { | ||
| getClassLoaderVariableJexlClass(variables).forEach(className -> { | ||
| try { | ||
| String classSimpleName = | ||
| BeanUtil.getBeanDesc(Class.forName(className)).getSimpleName(); | ||
| String snakeCaseClassName = StringUtil.toSnakeCase(true, classSimpleName); | ||
| ENGINE_CONTEXT.set(snakeCaseClassName, Class.forName(className)); | ||
| log.info("load class : {}", className); | ||
| } catch (ClassNotFoundException e) { | ||
| log.error( | ||
| "The class [{}] that needs to be loaded may not be loaded by dinky or there is no jar file of this class under dinky's lib/plugins/extends. Please check, and try again. {}", | ||
| className, | ||
| e.getMessage(), | ||
| e); | ||
| } | ||
| }); | ||
| } | ||
|
|
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| /** | ||
| * Get the engine context | ||
| * @return the engine context | ||
| */ | ||
| public static Dict getEngineContext() { | ||
| return ENGINE_CONTEXT; | ||
| } | ||
| } |
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