content: /*
   *  Copyright (C) 2010-2012 Stichting Akvo (Akvo Foundation)
   *
   *  This file is part of Akvo FLOW.
   *
   *  Akvo FLOW is free software: you can redistribute it and modify it under the terms of
   *  the GNU Affero General Public License (AGPL) as published by the Free Software Foundation,
   *  either version 3 of the License or any later version.
   *
   *  Akvo FLOW is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   *  See the GNU Affero General Public License included below for more details.
   *
   *  The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>.
   */
  
  package org.waterforpeople.mapping.app.util;
  
  import org.apache.commons.beanutils.converters.AbstractConverter;
  
  import com.google.appengine.api.datastore.Text;
  
  /**
   * converts from datastore Text objects to strings & vice versa
   * 
   * @author Christopher Fagiani
   */
  @SuppressWarnings("rawtypes")
  public class DatastoreTextConverter extends AbstractConverter {
  
      @Override
      protected Object convertToType(Class type, Object value) throws Throwable {
          if (value != null) {
              if (type == String.class) {
                  if (value instanceof Text) {
                      return ((Text) value).getValue();
                  } else {
                      return value.toString();
                  }
              } else if (type == Text.class) {
                  if (value instanceof String) {
                      return new Text((String) value);
                  } else if (value instanceof Text) {
                      return value;
                  } else {
                      return new Text(value.toString());
                  }
              }
          }
          return null;
      }
  
      @Override
      protected String convertToString(Object value) throws Throwable {
          return (String) convertToType(String.class, value);
      }
  
      @Override
      public Object handleMissing(Class type) {
          return null;
      }
  
      @Override
      protected Class getDefaultType() {
          return Text.class;
      }
  
  }
  