content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.apache.atlas.web.params;
  
  import org.apache.atlas.AtlasErrorCode;
  import org.apache.atlas.exception.AtlasBaseException;
  
  /**
   * A parameter encapsulating boolean values. If the query parameter value is {@code "true"},
   * regardless of case, the returned value is {@link Boolean#TRUE}. If the query parameter value is
   * {@code "false"}, regardless of case, the returned value is {@link Boolean#FALSE}. All other
   * values will return a {@code 400 Bad Request} response.
   */
  public class BooleanParam extends AbstractParam<Boolean> {
      public BooleanParam(String input) {
          super(input);
      }
  
      @Override
      protected String errorMessage(String input, Exception e) {
          return '"' + input + "\" must be \"true\" or \"false\".";
      }
  
      @Override
      protected Boolean parse(String input) throws AtlasBaseException {
          if ("true".equalsIgnoreCase(input)) {
              return Boolean.TRUE;
          } else if ("false".equalsIgnoreCase(input)) {
              return Boolean.FALSE;
          }
  
          throw new AtlasBaseException(AtlasErrorCode.PARAMETER_PARSING_FAILED, "Boolean.parse: input=" + input);
      }
  }
  