/*
 * 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;
    }
}
