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
   *
   *    http://www.apache.org/licenses/LICENSE-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.
   */
  
  package org.apache.carbondata.processing.loading.converter.impl.binary;
  
  import java.nio.charset.Charset;
  
  import org.apache.carbondata.core.constants.CarbonCommonConstants;
  import org.apache.carbondata.core.constants.CarbonLoadOptionConstants;
  import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingException;
  
  import org.apache.commons.codec.binary.Base64;
  
  public class Base64BinaryDecoder implements BinaryDecoder {
    @Override
    public byte[] decode(String input) {
      byte[] parsedValue = (String.valueOf(input))
          .getBytes(Charset.forName(CarbonCommonConstants.DEFAULT_CHARSET));
      if (Base64.isArrayByteBase64(parsedValue)) {
        parsedValue = Base64.decodeBase64(parsedValue);
      } else {
        throw new CarbonDataLoadingException("Binary decoder is " +
            CarbonLoadOptionConstants.CARBON_OPTIONS_BINARY_DECODER_BASE64
            + ", but data is not base64");
      }
      return parsedValue;
    }
  }
  