/**
    * Copyright 2005-2016 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.template.Configuration;
  import freemarker.template.Template;
  import freemarker.template.TemplateException;
  import org.apache.log4j.Logger;
  import org.junit.Before;
  import org.kuali.rice.testtools.common.PropertiesUtils;
  import org.kuali.rice.testtools.selenium.WebDriverLegacyITBase;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Properties;
  
  /**
   * @see FreemarkerUtil
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public abstract class FreemarkerAftBase extends WebDriverLegacyITBase {
  
      protected final Logger LOG = Logger.getLogger(getClass());
  
      protected Configuration cfg;
  
      protected abstract String getTemplateDir();
  
      @Override
      @Before
      public void testSetUp() {
          super.testSetUp();
          // generated load users and group resources
          cfg = new Configuration();
          cfg.setTemplateLoader(new ClassTemplateLoader(getClass().getClassLoader().getClass(), getTemplateDir()));
      }
  
      /**
       * Calls ftlWrite that also accepts a key, using the output getName as the key.
       * {@link FreemarkerUtil#ftlWrite(java.io.File, freemarker.template.Template, java.io.InputStream)}
       * @param output
       * @param template
       * @return
       * @throws IOException
       * @throws TemplateException
       */
      public File ftlWrite(File output, Template template, InputStream inputStream) throws IOException, TemplateException {
  
          return FreemarkerUtil.ftlWrite(output.getName(), output, template, inputStream);
      }
  
      /**
       * TODO can we cut this down to one param?
       * {@link FreemarkerUtil#loadProperties(java.io.InputStream)}
       * @param fileLocation null means use resourceLocation
       * @param resourceLocation
       * @return
       * @throws IOException
       */
      protected Properties loadProperties(String fileLocation, String resourceLocation) throws IOException {
          Properties props = null;
          InputStream in = null;
          if(fileLocation != null) {
              in = new FileInputStream(fileLocation);
          } else {
              in = getClass().getClassLoader().getResourceAsStream(resourceLocation);
          }
          if(in != null) {
              props = new PropertiesUtils().loadProperties(in);
              in.close();
          }
  
          return props;
      }
  
      /**
      * {@link FreemarkerUtil#writeTemplateToFile(java.io.File, freemarker.template.Template, java.util.Properties)}
      * @param file
      * @param template
      * @param props
      * @return
      * @throws IOException
      * @throws TemplateException
     */
     protected static File writeTemplateToFile(File file, Template template, Properties props) throws IOException, TemplateException {
         return FreemarkerUtil.writeTemplateToFile(file, template, props);
     }
 }