/**
    * Copyright 2012 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.osedu.org/licenses/ECL-2.0
    *
    * 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.
   *
   * Created by Charles on 11/16/12
   */
  package org.kuali.student.enrollment.class2.courseoffering.refdata;
  
  import org.kuali.student.r2.common.helper.EntityMergeHelper;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.TreeMap;
  
  /**
   * One row of data (using key-value pairs where key is header name)
   *
   * @author Kuali Student Team
   */
  public class SpreadsheetRowData implements Iterable<String> {
      Map<String, String> fieldNamesToValue = new HashMap<String, String>();
      List<String> fieldNames = new ArrayList<String>();
  
      public boolean addData(String field, String data) {
          if (fieldNamesToValue.containsKey(field)) {
              return false;
          }
          fieldNamesToValue.put(field, data);
          fieldNames.add(field);
          return true;
      }
  
      public String getValue(String fieldName) {
          return fieldNamesToValue.get(fieldName);
      }
  
      @Override
      public Iterator<String> iterator() {
          return new Iterator<String>() {
              Iterator<String> iter = fieldNames.iterator();
              String fieldName = null;
              @Override
              public boolean hasNext() {
                  return iter.hasNext();
              }
  
              @Override
              public String next() {
                  fieldName = iter.next();
                  String nextVal = getValue(fieldName);
                  return nextVal;
              }
  
              @Override
              public void remove() {
                  fieldNamesToValue.remove(fieldName);
              }
          };
      }
  }