Java tutorial
/** * Copyright © 2012-2013 <a href="https://github.com/thinkgem/Fujikom">Fujikom</a> All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); */ package com.joey.Fujikom.generate; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStreamWriter; import java.io.Writer; import java.util.Map; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.core.io.DefaultResourceLoader; import com.google.common.collect.Maps; import com.joey.Fujikom.common.utils.DateUtils; import com.joey.Fujikom.common.utils.FileUtils; import com.joey.Fujikom.common.utils.FreeMarkers; import freemarker.template.Configuration; import freemarker.template.Template; /** * ?? * @author ThinkGem * @version 2013-06-21 */ public class Generate { private static Logger logger = LoggerFactory.getLogger(Generate.class); public static void main(String[] args) throws Exception { // ========== ?? ==================== // ?????? // ?{packageName}/{moduleName}/{dao,entity,service,web}/{subModuleName}/{className} // packageName ????applicationContext.xmlsrping-mvc.xml?base-package?packagesToScan?4? String packageName = "com.joey.Fujikom.modules"; String moduleName = "factory"; // ???sys String subModuleName = ""; // ????? String className = "product"; // ??user String classAuthor = "ThinkGem"; // ThinkGem String functionName = "?"; // ?? // ??? //Boolean isEnable = false; Boolean isEnable = true; // ========== ?? ==================== if (!isEnable) { logger.error("????isEnable = true"); return; } if (StringUtils.isBlank(moduleName) || StringUtils.isBlank(moduleName) || StringUtils.isBlank(className) || StringUtils.isBlank(functionName)) { logger.error("??????????????"); return; } // ? String separator = File.separator; // ? File projectPath = new DefaultResourceLoader().getResource("").getFile(); while (!new File(projectPath.getPath() + separator + "src" + separator + "main").exists()) { projectPath = projectPath.getParentFile(); } logger.info("Project Path: {}", projectPath); // ? String tplPath = StringUtils.replace(projectPath + "/src/main/java/com/thinkgem/Fujikom/generate/template", "/", separator); logger.info("Template Path: {}", tplPath); // Java String javaPath = StringUtils.replaceEach( projectPath + "/src/main/java/" + StringUtils.lowerCase(packageName), new String[] { "/", "." }, new String[] { separator, separator }); logger.info("Java Path: {}", javaPath); // String viewPath = StringUtils.replace(projectPath + "/src/main/webapp/WEB-INF/views", "/", separator); logger.info("View Path: {}", viewPath); // ??? Configuration cfg = new Configuration(); cfg.setDefaultEncoding("UTF-8"); cfg.setDirectoryForTemplateLoading(new File(tplPath)); // ??? Map<String, String> model = Maps.newHashMap(); model.put("packageName", StringUtils.lowerCase(packageName)); model.put("moduleName", StringUtils.lowerCase(moduleName)); model.put("subModuleName", StringUtils.isNotBlank(subModuleName) ? "." + StringUtils.lowerCase(subModuleName) : ""); model.put("className", StringUtils.uncapitalize(className)); model.put("ClassName", StringUtils.capitalize(className)); model.put("classAuthor", StringUtils.isNotBlank(classAuthor) ? classAuthor : "Generate Tools"); model.put("classVersion", DateUtils.getDate()); model.put("functionName", functionName); model.put("tableName", model.get("moduleName") + (StringUtils.isNotBlank(subModuleName) ? "_" + StringUtils.lowerCase(subModuleName) : "") + "_" + model.get("className")); model.put("urlPrefix", model.get("moduleName") + (StringUtils.isNotBlank(subModuleName) ? "/" + StringUtils.lowerCase(subModuleName) : "") + "/" + model.get("className")); model.put("viewPrefix", //StringUtils.substringAfterLast(model.get("packageName"),".")+"/"+ model.get("urlPrefix")); model.put("permissionPrefix", model.get("moduleName") + (StringUtils.isNotBlank(subModuleName) ? ":" + StringUtils.lowerCase(subModuleName) : "") + ":" + model.get("className")); // ? Entity Template template = cfg.getTemplate("entity.ftl"); String content = FreeMarkers.renderTemplate(template, model); String filePath = javaPath + separator + model.get("moduleName") + separator + "entity" + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("ClassName") + ".java"; writeFile(content, filePath); logger.info("Entity: {}", filePath); // ? Dao template = cfg.getTemplate("dao.ftl"); content = FreeMarkers.renderTemplate(template, model); filePath = javaPath + separator + model.get("moduleName") + separator + "dao" + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("ClassName") + "Dao.java"; writeFile(content, filePath); logger.info("Dao: {}", filePath); // ? Service template = cfg.getTemplate("service.ftl"); content = FreeMarkers.renderTemplate(template, model); filePath = javaPath + separator + model.get("moduleName") + separator + "service" + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("ClassName") + "Service.java"; writeFile(content, filePath); logger.info("Service: {}", filePath); // ? Controller template = cfg.getTemplate("controller.ftl"); content = FreeMarkers.renderTemplate(template, model); filePath = javaPath + separator + model.get("moduleName") + separator + "web" + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("ClassName") + "Controller.java"; writeFile(content, filePath); logger.info("Controller: {}", filePath); // ? ViewForm template = cfg.getTemplate("viewForm.ftl"); content = FreeMarkers.renderTemplate(template, model); filePath = viewPath + separator + StringUtils.substringAfterLast(model.get("packageName"), ".") + separator + model.get("moduleName") + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("className") + "Form.jsp"; writeFile(content, filePath); logger.info("ViewForm: {}", filePath); // ? ViewList template = cfg.getTemplate("viewList.ftl"); content = FreeMarkers.renderTemplate(template, model); filePath = viewPath + separator + StringUtils.substringAfterLast(model.get("packageName"), ".") + separator + model.get("moduleName") + separator + StringUtils.lowerCase(subModuleName) + separator + model.get("className") + "List.jsp"; writeFile(content, filePath); logger.info("ViewList: {}", filePath); logger.info("Generate Success."); } /** * * @param content * @param filePath */ public static void writeFile(String content, String filePath) { try { if (FileUtils.createFile(filePath)) { FileOutputStream fos = new FileOutputStream(filePath); Writer writer = new OutputStreamWriter(fos, "UTF-8"); BufferedWriter bufferedWriter = new BufferedWriter(writer); bufferedWriter.write(content); bufferedWriter.close(); writer.close(); } else { logger.info("??"); } } catch (Exception e) { e.printStackTrace(); } } }