com.techempower.text.SynchronizedDecimalFormat Maven / Gradle / Ivy

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/*******************************************************************************
 * Copyright (c) 2018, TechEmpower, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
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 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
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package com.techempower.text;

import java.text.*;

/**
 * Provides a simple thread-safe wrapper for the "format" method provided
 * by DecimalFormat.
 */
public class SynchronizedDecimalFormat
{
  //
  // Member variables.
  //
  
  private final DecimalFormat decimalFormat;

  //
  // Member methods.
  //

  /**
   * Constructor.  See SimpleDecimalFormat's constructor for more details.
   */
  public SynchronizedDecimalFormat(String numberFormat)
  {
    this.decimalFormat = new DecimalFormat(numberFormat);
  }

  /**
   * Constructor.  Uses a standard #,##0.00 format.
   */
  public SynchronizedDecimalFormat()
  {
    this("#,##0.00");
  }

  /**
   * Formats a float to a String.
   */
  public synchronized String format(float number)
  {
    return this.decimalFormat.format(number);
  }

  /**
   * Formats a long to a String.
   */
  public synchronized String format(long number)
  {
    return this.decimalFormat.format(number);
  }

  /**
   * Formats a double to a String.
   */
  public synchronized String format(double number)
  {
    return this.decimalFormat.format(number);
  }

  /**
   * Formats an int to a String.
   */
  public synchronized String format(int number)
  {
    return this.decimalFormat.format(number);
  }

} // End SynchronizedDecimalFormat.