/*
    * Copyright 2006 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 org.kuali.ole.gl.businessobject.options;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.Date;
  import java.util.List;
  
  import org.kuali.ole.gl.service.OriginEntryGroupService;
  import org.kuali.ole.gl.web.util.OriginEntryFileComparator;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.datetime.DateTimeService;
  import org.kuali.rice.core.api.util.ConcreteKeyValue;
  import org.kuali.rice.krad.keyvalues.KeyValuesBase;
  
  /**
   * Returns list of GL origin entry filenames
   */
  public class CorrectionGroupEntriesFinder extends KeyValuesBase {
  
      /**
       * Returns a list of key/value pairs to display correction groups that can be used in a Correction Document
       * 
       * @return a List of key/value pairs for correction groups
       * @see org.kuali.rice.kns.lookup.keyvalues.KeyValuesFinder#getKeyValues()
       */
      public List getKeyValues() {
          List activeLabels = new ArrayList();
  
          OriginEntryGroupService originEntryGroupService = SpringContext.getBean(OriginEntryGroupService.class);
          File[] fileList = originEntryGroupService.getAllFileInBatchDirectory();
  
          List<File> sortedFileList = Arrays.asList(fileList);
          Collections.sort(sortedFileList, new OriginEntryFileComparator());
  
          for (File file : sortedFileList) {
              String fileName = file.getName();
  
              // build display file name with date and size
              Date date = new Date(file.lastModified());
              String timeInfo = "(" + SpringContext.getBean(DateTimeService.class).toDateTimeString(date) + ")";
              String sizeInfo = "(" + (new Long(file.length())).toString() + ")";
  
              activeLabels.add(new ConcreteKeyValue(fileName, timeInfo + " " + fileName + " " + sizeInfo));
          }
  
          return activeLabels;
      }
  
  }