/**
    * Copyright 2010-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util.spring.format;
  
  import java.util.Locale;
  
  import org.kuali.common.util.FormatUtils;
  import org.kuali.common.util.primitives.Numbers;
  import org.springframework.format.Formatter;
  
  public final class BytesFormatter implements Formatter<Number> {
  
  	public BytesFormatter() {
  		this(true);
  	}
  
  	public BytesFormatter(boolean printDecimalDigits) {
  		this.printDecimalDigits = printDecimalDigits;
  	}
  
  	public boolean isPrintDecimalDigits() {
  		return printDecimalDigits;
  	}
  
  	private final boolean printDecimalDigits;
  
  	@Override
  	public Number parse(String size, Locale locale) {
  		return Numbers.narrow(FormatUtils.getBytes(size));
  	}
  
  	@Override
  	public String print(Number number, Locale locale) {
  		if (printDecimalDigits) {
  			return FormatUtils.getSize(number.longValue());
  		} else {
  			return FormatUtils.getIntegerSize(number.longValue());
  		}
  	}
  
  }