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.avro.codegentest;
  
  import org.apache.avro.Conversion;
  import org.apache.avro.LogicalType;
  import org.apache.avro.Schema;
  
  import java.nio.ByteBuffer;
  import java.nio.charset.StandardCharsets;
  
  import static java.util.Objects.nonNull;
  
  public class FixedSizeStringConversion extends Conversion<FixedSizeString> {
    @Override
    public Class<FixedSizeString> getConvertedType() {
      return FixedSizeString.class;
    }
  
    @Override
    public String getLogicalTypeName() {
      return FixedSizeStringFactory.NAME;
    }
  
    @Override
    public FixedSizeString fromBytes(ByteBuffer value, Schema schema, LogicalType type) {
      String stringValue = StandardCharsets.UTF_8.decode(value).toString();
      validate(stringValue, type);
      return new FixedSizeString(stringValue);
    }
  
    @Override
    public ByteBuffer toBytes(FixedSizeString value, Schema schema, LogicalType type) {
      validate(value.getValue(), type);
      return StandardCharsets.UTF_8.encode(value.getValue());
    }
  
    private void validate(String value, LogicalType logicalType) {
      FixedSizeStringLogicalType fixedSizeStringLogicalType = (FixedSizeStringLogicalType) logicalType;
      int minValue = fixedSizeStringLogicalType.getMinLength();
      int maxValue = fixedSizeStringLogicalType.getMaxLength();
      if (nonNull(value) && (value.length() < minValue || value.length() > maxValue)) {
        throw new IllegalArgumentException(
            String.format("Incorrect size. Must satisfy %d <= value <= %d", minValue, maxValue));
      }
    }
  }
  