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[app-builder] add text concatenation tool
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‎app-builder/plugins/aipp-template-render/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>modelengine.fit.jade</groupId>
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<artifactId>app-builder-plugin-parent</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<groupId>modelengine.fit.jade.plugin</groupId>
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<artifactId>aipp-template-render</artifactId>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<!-- Services -->
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<dependency>
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<groupId>modelengine.jade.service</groupId>
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<artifactId>aipp-template-render-service</artifactId>
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</dependency>
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<!-- Test -->
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mockito</groupId>
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<artifactId>mockito-core</artifactId>
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</dependency>
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<dependency>
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<groupId>modelengine.fit.jade</groupId>
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<artifactId>aipp-service</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.fitframework</groupId>
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<artifactId>fit-build-maven-plugin</artifactId>
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<version>${fit.version}</version>
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<executions>
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<execution>
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<id>build-plugin</id>
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<goals>
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<goal>build-plugin</goal>
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</goals>
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</execution>
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<execution>
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<id>package-plugin</id>
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<goals>
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<goal>package-plugin</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-antrun-plugin</artifactId>
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<version>${maven.antrun.version}</version>
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<executions>
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<execution>
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<phase>install</phase>
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<configuration>
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<target>
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<copy file="${project.build.directory}/${project.build.finalName}.jar"
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todir="../../../build/plugins"/>
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</target>
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</configuration>
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<goals>
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<goal>run</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎app-builder/plugins/aipp-template-render/src/main/java/modelengine/fit/jade/aipp/template/render/TemplateServiceImpl.java‎

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/*---------------------------------------------------------------------------------------------
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* Copyright (c) 2025 Huawei Technologies Co., Ltd. All rights reserved.
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* This file is a part of the ModelEngine Project.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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package modelengine.fit.jade.aipp.template.render;
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import modelengine.fitframework.annotation.Component;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* {@link TemplateService} 的实现类。
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*
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* @author 孙怡菲
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* @since 2025-08-29
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*/
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@Component
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public class TemplateServiceImpl implements TemplateService {
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private static final Pattern PLACEHOLDER_PATTERN = Pattern.compile("\\{\\{\\s*(\\w+)\\s*}}");
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@Override
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public String renderTemplate(String template, Map<String, Object> args) {
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if (template == null) {
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return null;
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}
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if (args == null) {
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args = Map.of();
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}
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Matcher matcher = PLACEHOLDER_PATTERN.matcher(template);
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StringBuilder sb = new StringBuilder();
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while (matcher.find()) {
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String key = matcher.group(1);
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Object value = args.getOrDefault(key, "");
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matcher.appendReplacement(sb, Matcher.quoteReplacement(String.valueOf(value)));
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}
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matcher.appendTail(sb);
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return sb.toString();
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}
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}

‎app-builder/plugins/aipp-template-render/src/main/resources/application.yml‎

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fit:
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beans:
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packages:
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- 'modelengine.fit.jade.aipp.template.render'

‎app-builder/plugins/aipp-template-render/src/test/java/modelengine/fit/jade/aipp/template/render/TemplateServiceImplTest.java‎

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/*---------------------------------------------------------------------------------------------
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* Copyright (c) 2025 Huawei Technologies Co., Ltd. All rights reserved.
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* This file is a part of the ModelEngine Project.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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package modelengine.fit.jade.aipp.template.render;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* {@link TemplateServiceImpl} 的测试类。
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*
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* @author 孙怡菲
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* @since 2025-08-28
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*/
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class TemplateServiceImplTest {
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private TemplateServiceImpl textTool;
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@BeforeEach
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void setUp() {
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this.textTool = new TemplateServiceImpl();
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}
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@Test
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@DisplayName("基础模板变量替换成功")
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void shouldReplaceBasicVariables() {
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String template = "Hello {{name}}, your score is {{score}}.";
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Map<String, Object> args = new HashMap<>();
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args.put("name", "Tom");
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args.put("score", 95);
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String result = this.textTool.renderTemplate(template, args);
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assertEquals("Hello Tom, your score is 95.", result);
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}
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@Test
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@DisplayName("缺失变量时置为空字符串")
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void shouldReplaceMissingVariableWithEmpty() {
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String template = "Hello {{name}}, your score is {{score}}.";
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Map<String, Object> args = new HashMap<>();
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args.put("name", "Tom");
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String result = this.textTool.renderTemplate(template, args);
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assertEquals("Hello Tom, your score is .", result);
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}
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@Test
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@DisplayName("空参数Map时模板变量置为空")
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void shouldHandleEmptyArgsMap() {
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String template = "Hello {{name}}!";
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Map<String, Object> args = new HashMap<>();
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String result = this.textTool.renderTemplate(template, args);
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assertEquals("Hello !", result);
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}
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@Test
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@DisplayName("参数为null时模板变量置为空")
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void shouldHandleNullArgs() {
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String template = "Hello {{name}}!";
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String result = this.textTool.renderTemplate(template, null);
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assertEquals("Hello !", result);
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}
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@Test
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@DisplayName("模板无占位符时内容保持不变")
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void shouldHandleTemplateWithoutPlaceholders() {
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String template = "Hello world!";
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String result = this.textTool.renderTemplate(template, Map.of("name", "Tom"));
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assertEquals("Hello world!", result);
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}
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@Test
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@DisplayName("变量中包含占位符内容保持不变")
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void shouldHandleVariableWithPlaceholders() {
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String template = "Hello {{name}}!";
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String result = this.textTool.renderTemplate(template, Map.of("name", "{{Tom}}"));
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assertEquals("Hello {{Tom}}!", result);
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}
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@Test
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@DisplayName("变量为 List 时正常替换")
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void shouldReplaceListVariableCorrectly() {
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String template = "Items: {{items}}";
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Map<String, Object> args = new HashMap<>();
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args.put("items", Arrays.asList("apple", "banana", "cherry"));
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String result = this.textTool.renderTemplate(template, args);
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assertEquals("Items: [apple, banana, cherry]", result);
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}
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@Test
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@DisplayName("变量为 Map 时正常替换")
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void shouldReplaceMapVariableCorrectly() {
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String template = "Map data: {{data}}";
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Map<String, Object> args = new HashMap<>();
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Map<String, Object> mapValue = new LinkedHashMap<>();
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mapValue.put("a", 1);
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mapValue.put("b", 2);
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args.put("data", mapValue);
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String result = this.textTool.renderTemplate(template, args);
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assertEquals("Map data: {a=1, b=2}", result);
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}
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}

‎app-builder/plugins/aipp-text-concatenation/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>modelengine.fit.jade</groupId>
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<artifactId>app-builder-plugin-parent</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<groupId>modelengine.fit.jade.plugin</groupId>
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<artifactId>aipp-text-concatenation</artifactId>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<!-- FIT -->
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<dependency>
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<groupId>org.fitframework</groupId>
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<artifactId>fit-api</artifactId>
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</dependency>
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<dependency>
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<groupId>org.fitframework</groupId>
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<artifactId>fit-util</artifactId>
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</dependency>
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<!-- Services -->
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<dependency>
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<groupId>org.fitframework.fel</groupId>
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<artifactId>tool-service</artifactId>
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</dependency>
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<dependency>
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<groupId>modelengine.jade.service</groupId>
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<artifactId>aipp-template-render-service</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.fitframework</groupId>
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<artifactId>fit-build-maven-plugin</artifactId>
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<version>${fit.version}</version>
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<executions>
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<execution>
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<id>build-plugin</id>
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<goals>
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<goal>build-plugin</goal>
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</goals>
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</execution>
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<execution>
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<id>package-plugin</id>
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<goals>
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<goal>package-plugin</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.fitframework.fel</groupId>
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<artifactId>tool-maven-plugin</artifactId>
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<version>3.5.0-M6</version>
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<executions>
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<execution>
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<id>build-tool</id>
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<goals>
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<goal>build-tool</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-antrun-plugin</artifactId>
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<version>${maven.antrun.version}</version>
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<executions>
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<execution>
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<phase>install</phase>
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<configuration>
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<target>
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<copy file="${project.build.directory}/${project.build.finalName}.jar"
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todir="../../../build/plugins"/>
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</target>
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</configuration>
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<goals>
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<goal>run</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

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