/**
    * Copyright 2005-2015 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 edu.sampleu.common;
  
  import freemarker.cache.ClassTemplateLoader;
  import freemarker.cache.TemplateLoader;
  import freemarker.template.Configuration;
  
  import java.io.File;
  import java.io.InputStream;
  
  /**
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class FreemarkerAftGenerator {
      private static Configuration cfg = new Configuration();
  
      // Templates for File Generation
      private static String DIR_TMPL = "/Gen/";
  
      //Configuration
      private static TemplateLoader templateLoader = new ClassTemplateLoader(FreemarkerAftGenerator.class, DIR_TMPL);
  
      private static String STJUNITBASE_TMPL = "STJUnitBase.ftl";
      private static String STJUNITBKMRKGEN_TMPL = "STJUnitBkMrkGen.ftl";
      private static String STJUNITNAVGEN_TMPL = "STJUnitNavGen.ftl";
      private static String STNGBASE_TMPL = "STNGBase.ftl";
      private static String STNGBKMRKGEN_TMPL = "STNGBkMrkGen.ftl";
      private static String STNGNAVGEN_TMPL = "STNGNavGen.ftl";
  
      public static void main(String[] args) throws Exception {
          cfg.setTemplateLoader(templateLoader);
  
          String propsLocation = "/GenFiles/Group.properties";
          if (args.length > 0) {
              propsLocation = "/GenFiles/" + args[0];
          }
  
          //Here we can prepare a list of template & properties file and can iterate to generate files dynamically on single run.
          createFile(propsLocation, STJUNITBASE_TMPL);
          createFile(propsLocation, STJUNITBKMRKGEN_TMPL);
          createFile(propsLocation, STJUNITNAVGEN_TMPL);
          createFile(propsLocation, STNGBASE_TMPL);
          createFile(propsLocation, STNGBKMRKGEN_TMPL);
          createFile(propsLocation, STNGNAVGEN_TMPL);
      }
  
      private static void createFile(String propLocation, String template) throws Exception {
          try {
              InputStream in = FreemarkerAftGenerator.class.getResourceAsStream(propLocation);
              File f1 = new File("src" + File.separatorChar + "it" + File.separatorChar + "resources"
                      + File.separatorChar + "GenFiles" + File.separatorChar
                      + propLocation.substring(propLocation.lastIndexOf("/"), propLocation.lastIndexOf("."))
                      + template.substring(0, template.length() - 4) + ".java");
              FreemarkerUtil.ftlWrite(f1, cfg.getTemplate(template), in);
  
          } catch (Exception e) {
              e.printStackTrace();
              throw new Exception("Unable to generate files", e);
          }
      }
  }