com.mybatisflex.codegen.generator.impl.EntityGenerator Maven / Gradle / Ivy

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/*
 *  Copyright (c) 2022-2025, Mybatis-Flex ([email protected]).
 *  
 *  Licensed 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.
 */
package com.mybatisflex.codegen.generator.impl;

import com.mybatisflex.codegen.config.EntityConfig;
import com.mybatisflex.codegen.config.GlobalConfig;
import com.mybatisflex.codegen.config.PackageConfig;
import com.mybatisflex.codegen.constant.TemplateConst;
import com.mybatisflex.codegen.entity.Table;
import com.mybatisflex.codegen.generator.IGenerator;
import com.mybatisflex.core.util.StringUtil;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

/**
 * Entity 生成器。
 *
 * @author Michael Yang
 * @author 王帅
 */
public class EntityGenerator implements IGenerator {

    protected String templatePath;

    protected String entityWithBaseTemplatePath = "/templates/enjoy/entityWithBase.tpl";
    protected String ktEntityWithBaseTemplatePath = "/templates/enjoy/entityWithBase.kotlin.tpl";


    public EntityGenerator() {
        this(TemplateConst.ENTITY);
    }

    public EntityGenerator(String templatePath) {
        this.templatePath = templatePath;
    }

    @Override
    public void generate(Table table, GlobalConfig globalConfig) {

        if (!globalConfig.isEntityGenerateEnable()) {
            return;
        }

        // 生成 entity 类
        genEntityClass(table, globalConfig);

        // 生成 base 类
        genBaseClass(table, globalConfig);
    }


    protected void genEntityClass(Table table, GlobalConfig globalConfig) {
        PackageConfig packageConfig = globalConfig.getPackageConfig();
        EntityConfig entityConfig = globalConfig.getEntityConfig();

        String sourceDir = StringUtil.hasText(entityConfig.getSourceDir()) ? entityConfig.getSourceDir() : packageConfig.getSourceDir();

        String entityPackagePath = packageConfig.getEntityPackage().replace(".", "/");
        String entityClassName = table.buildEntityClassName();

        File entityJavaFile = new File(sourceDir, entityPackagePath + "/" + entityClassName + globalConfig.getFileType());

        if (entityJavaFile.exists() && !entityConfig.isOverwriteEnable()) {
            return;
        }
        // 排除忽略列
        if (globalConfig.getStrategyConfig().getIgnoreColumns() != null) {
            table.getColumns().removeIf(column -> globalConfig.getStrategyConfig().getIgnoreColumns().contains(column.getName().toLowerCase()));
        }

        Map params = new HashMap<>(6);
        params.put("table", table);
        params.put("entityPackageName", packageConfig.getEntityPackage());
        params.put("entityConfig", entityConfig);
        params.put("entityClassName", table.buildEntityClassName());
        params.put("packageConfig", packageConfig);
        params.put("javadocConfig", globalConfig.getJavadocConfig());
        params.put("isBase", false);

        params.putAll(globalConfig.getCustomConfig());

        String templatePath = this.templatePath;

        // 开启生成 baseClass
        if (entityConfig.isWithBaseClassEnable()) {
            if (globalConfig.getFileType() == GlobalConfig.FileType.KOTLIN) {
                templatePath = this.ktEntityWithBaseTemplatePath;
            }else{
                templatePath = this.entityWithBaseTemplatePath;
            }

            String baseClassName = table.buildEntityClassName() + entityConfig.getWithBaseClassSuffix();
            params.put("baseClassName", baseClassName);

            String baseClassPackage = StringUtil.hasText(entityConfig.getWithBasePackage())
                ? entityConfig.getWithBasePackage() : packageConfig.getEntityPackage() + ".base";
            params.put("baseClassPackage", baseClassPackage);

            params.put("entityClassName", table.buildEntityClassName());
        }


        globalConfig.getTemplateConfig().getTemplate().generate(params, templatePath, entityJavaFile);

        System.out.println("Entity ---> " + entityJavaFile);
    }

    protected void genBaseClass(Table table, GlobalConfig globalConfig) {
        EntityConfig entityConfig = globalConfig.getEntityConfig();

        // 不需要生成 baseClass
        if (!entityConfig.isWithBaseClassEnable()) {
            return;
        }

        PackageConfig packageConfig = globalConfig.getPackageConfig();
        String sourceDir = StringUtil.hasText(entityConfig.getSourceDir()) ? entityConfig.getSourceDir() : packageConfig.getSourceDir();

        String baseEntityPackagePath = packageConfig.getEntityPackage().replace(".", "/");
        baseEntityPackagePath = StringUtil.hasText(entityConfig.getWithBasePackage()) ? entityConfig.getWithBasePackage().replace(".", "")
            : baseEntityPackagePath + "/base";

        String baseEntityClassName = table.buildEntityClassName() + entityConfig.getWithBaseClassSuffix();

        File baseEntityJavaFile = new File(sourceDir, baseEntityPackagePath + "/" + baseEntityClassName + globalConfig.getFileType());


        // 排除忽略列
        if (globalConfig.getStrategyConfig().getIgnoreColumns() != null) {
            table.getColumns().removeIf(column -> globalConfig.getStrategyConfig().getIgnoreColumns().contains(column.getName().toLowerCase()));
        }

        Map params = new HashMap<>(6);
        params.put("table", table);
        params.put("entityPackageName", baseEntityPackagePath.replace("/", "."));
        params.put("entityClassName", baseEntityClassName);
        params.put("entityConfig", entityConfig);
        params.put("packageConfig", packageConfig);
        params.put("javadocConfig", globalConfig.getJavadocConfig());
        params.put("isBase", true);
        params.putAll(globalConfig.getCustomConfig());

        globalConfig.getTemplateConfig().getTemplate().generate(params, templatePath, baseEntityJavaFile);

        System.out.println("BaseEntity ---> " + baseEntityJavaFile);
    }


    public String getEntityWithBaseTemplatePath() {
        return entityWithBaseTemplatePath;
    }

    public void setEntityWithBaseTemplatePath(String entityWithBaseTemplatePath) {
        this.entityWithBaseTemplatePath = entityWithBaseTemplatePath;
    }

    @Override
    public String getTemplatePath() {
        return templatePath;
    }

    @Override
    public void setTemplatePath(String templatePath) {
        this.templatePath = templatePath;
    }

}