TypeTransforms.java

/**
 * Copyright 2014 Sunny Gleason and original author or authors
 *
 * Licensed 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 io.kazuki.v0.internal.v2schema.types;

import io.kazuki.v0.store.schema.model.Attribute;
import io.kazuki.v0.store.schema.model.Transform;

/**
 * Helper class for mapping attribute types to ValidatorTransformer instances.
 */
public class TypeTransforms {
  public static Transform<?, ?> validatorFor(Attribute attribute) {
    switch (attribute.getType()) {
      case ANY:
        return new AnyTransform();
      case MAP:
        return new MapTransform();
      case ARRAY:
        return new ArrayTransform();
      case BOOLEAN:
        return new BooleanTransform();
      case CHAR_ONE:
        return new CharOneTransform();
      case ENUM:
        return new EnumTransform(attribute.getValues());

      case U8:
        return new IntegerTransform("0", Integer.toString(0x000000FF));
      case U16:
        return new IntegerTransform("0", Integer.toString(0x0000FFFF));
      case U32:
        return new IntegerTransform("0", Long.toString(0x00000000FFFFFFFFL));
      case U64:
        /* NOTE: "18446744073709551615" is unsupported by h2 */
        // return new IntegerTransform("0", Long.toString(Long.MAX_VALUE));
        return new IntegerTransform("0", "18446744073709551615");

      case I8:
        return new IntegerTransform(Integer.toString(Byte.MIN_VALUE),
            Integer.toString(Byte.MAX_VALUE));
      case I16:
        return new IntegerTransform(Integer.toString(-32768), Integer.toString(32767));
      case I32:
        return new IntegerTransform(Integer.toString(Integer.MIN_VALUE),
            Integer.toString(Integer.MAX_VALUE));
      case I64:
        return new IntegerTransform(Long.toString(Long.MIN_VALUE), Long.toString(Long.MAX_VALUE));

      case UTC_DATE_SECS:
        return new UTCDateSecsTransform();
      case UTF8_SMALLSTRING:
        return new SmallStringTransform();
      case UTF8_TEXT:
        return new TextTransform();

      default:
        throw new IllegalArgumentException("Unknown type " + attribute.getType());
    }
  }
}