/*
 * 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.phoenix.expression.function;

import java.text.DecimalFormat;
import java.text.Format;
import org.apache.phoenix.util.DateUtil;

public enum FunctionArgumentType {
  TEMPORAL {
    @Override
    public Format getFormatter(String format) {
      return DateUtil.getDateFormatter(format);
    }
  },
  NUMERIC {
    @Override
    public Format getFormatter(String format) {
      return new DecimalFormat(format);
    }
  },
  CHAR {
    @Override
    public Format getFormatter(String format) {
      return getDecimalFormat(format);
    }
  };

  public abstract Format getFormatter(String format);

  private static DecimalFormat getDecimalFormat(String formatString) {
    DecimalFormat result = new DecimalFormat(formatString);
    result.setParseBigDecimal(true);
    return result;
  }
}
