| 提交 | 用户 | 时间 | ||
| 1ac2bc | 1 | /** |
| 懒 | 2 | * Copyright (c) 2011-2020, hubin (jobob@qq.com). |
| 3 | * <p> | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not | |
| 5 | * use this file except in compliance with the License. You may obtain a copy of | |
| 6 | * the License at | |
| 7 | * <p> | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * <p> | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | |
| 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | |
| 13 | * License for the specific language governing permissions and limitations under | |
| 14 | * the License. | |
| 15 | */ | |
| 16 | package cn.stylefeng.guns.gen.core.engine; | |
| 17 | ||
| 18 | import cn.stylefeng.guns.gen.modular.model.FieldConfig; | |
| 19 | import cn.stylefeng.guns.gen.modular.model.GenSessionFieldConfigs; | |
| 20 | import cn.stylefeng.guns.gen.core.util.FieldsConfigHolder; | |
| 21 | import cn.stylefeng.guns.gen.core.util.TableInfoUtil; | |
| 22 | import com.baomidou.mybatisplus.core.toolkit.StringPool; | |
| 23 | import com.baomidou.mybatisplus.core.toolkit.StringUtils; | |
| 24 | import com.baomidou.mybatisplus.generator.config.ConstVal; | |
| 25 | import com.baomidou.mybatisplus.generator.config.builder.ConfigBuilder; | |
| 26 | import com.baomidou.mybatisplus.generator.config.po.TableInfo; | |
| 27 | import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine; | |
| 28 | import org.apache.velocity.Template; | |
| 29 | import org.apache.velocity.VelocityContext; | |
| 30 | import org.apache.velocity.app.Velocity; | |
| 31 | import org.apache.velocity.app.VelocityEngine; | |
| 32 | ||
| 33 | import java.io.BufferedWriter; | |
| 34 | import java.io.FileOutputStream; | |
| 35 | import java.io.OutputStreamWriter; | |
| 36 | import java.util.List; | |
| 37 | import java.util.Map; | |
| 38 | import java.util.Properties; | |
| 39 | import java.util.stream.Collectors; | |
| 40 | ||
| 41 | /** | |
| 42 | * <p> | |
| 43 | * 重写Mybatis-Plus的Velocity模板引擎实现 | |
| 44 | * </p> | |
| 45 | * | |
| 46 | * @author hubin, fengshuonan | |
| 47 | * @since 2018-01-10 | |
| 48 | */ | |
| 49 | public class GunsMpVelocityTemplateEngine extends VelocityTemplateEngine { | |
| 50 | ||
| 51 | private static final String DOT_VM = ".vm"; | |
| 52 | private VelocityEngine velocityEngine; | |
| 53 | ||
| 54 | @Override | |
| 55 | public VelocityTemplateEngine init(ConfigBuilder configBuilder) { | |
| 56 | super.init(configBuilder); | |
| 57 | if (null == velocityEngine) { | |
| 58 | Properties p = new Properties(); | |
| 59 | p.setProperty(ConstVal.VM_LOAD_PATH_KEY, ConstVal.VM_LOAD_PATH_VALUE); | |
| 60 | p.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH, StringPool.EMPTY); | |
| 61 | p.setProperty(Velocity.ENCODING_DEFAULT, ConstVal.UTF8); | |
| 62 | p.setProperty(Velocity.INPUT_ENCODING, ConstVal.UTF8); | |
| 63 | p.setProperty("file.resource.loader.unicode", StringPool.TRUE); | |
| 64 | velocityEngine = new VelocityEngine(p); | |
| 65 | } | |
| 66 | return this; | |
| 67 | } | |
| 68 | ||
| 69 | ||
| 70 | @Override | |
| 71 | public void writer(Map<String, Object> objectMap, String templatePath, String outputFile) throws Exception { | |
| 72 | if (StringUtils.isEmpty(templatePath)) { | |
| 73 | return; | |
| 74 | } | |
| 75 | Template template = velocityEngine.getTemplate(templatePath, ConstVal.UTF8); | |
| 76 | try (FileOutputStream fos = new FileOutputStream(outputFile); | |
| 77 | OutputStreamWriter ow = new OutputStreamWriter(fos, ConstVal.UTF8); | |
| 78 | BufferedWriter writer = new BufferedWriter(ow)) { | |
| 79 | template.merge(new VelocityContext(objectMap), writer); | |
| 80 | } | |
| 81 | logger.debug("模板:" + templatePath + "; 文件:" + outputFile); | |
| 82 | } | |
| 83 | ||
| 84 | ||
| 85 | @Override | |
| 86 | public String templateFilePath(String filePath) { | |
| 87 | if (null == filePath || filePath.contains(DOT_VM)) { | |
| 88 | return filePath; | |
| 89 | } | |
| 90 | return filePath + DOT_VM; | |
| 91 | } | |
| 92 | ||
| 93 | /** | |
| 94 | * 重写父类的方法，增加一个变量，为了在mapping.xml的Base_Column_List增加base前缀 | |
| 95 | * | |
| 96 | * @author fengshuonan | |
| 97 | * @Date 2019/1/10 12:51 PM | |
| 98 | */ | |
| 99 | @Override | |
| 100 | public Map<String, Object> getObjectMap(TableInfo tableInfo) { | |
| 101 | Map<String, Object> objectMap = super.getObjectMap(tableInfo); | |
| 102 | objectMap.put("tableRebuild", TableInfoUtil.getFieldNames(tableInfo)); | |
| 103 | ||
| 104 | //获取当前线程变量获取的字段配置信息 | |
| 105 | GenSessionFieldConfigs genSessionFieldConfigs = FieldsConfigHolder.get(); | |
| 106 | List<FieldConfig> fieldConfigs = genSessionFieldConfigs.getFieldConfigs(tableInfo.getName()); | |
| 107 | ||
| 108 | //带条件配置的字段 | |
| 109 | List<FieldConfig> conditionFields = fieldConfigs.stream().filter(FieldConfig::getQueryConditionFlag) | |
| 110 | .collect(Collectors.toList()); | |
| 111 | ||
| 112 | objectMap.put("mapperConditions", conditionFields); | |
| 113 | return objectMap; | |
| 114 | } | |
| 115 | } | |
