Source Code : Convert an integer to an HTML RGB value

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Convert an integer to an HTML RGB value

 
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/

/**
 * Collection of string utilities.
 * 
 */

public class StringUtil
{
  /**
   * Convert an integer to an HTML RGB value. The result is of the form
   * #hhhhhh. The input rgb integer value will be clipped into the range 0 ~
   * 0xFFFFFF
   * 
   * @param rgb
   *            the integer RGB value
   * @return the value as an HTML RGB string
   */

  public static String toRgbText( int rgb )
  {
    // clip input value.

    if ( rgb > 0xFFFFFF )
      rgb = 0xFFFFFF;
    if ( rgb < 0 )
      rgb = 0;

    String str = "000000" + Integer.toHexString( rgb ); //$NON-NLS-1$ 
    return "#" + str.substring( str.length( ) - 6 ); //$NON-NLS-1$ 
  }

}

   
  

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