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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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//--------------------------------------------------------------------------
//	Copyright (c) 1998-2004, Drew Davidson and Luke Blanshard
//  All rights reserved.
//
//	Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are
//  met:
//
//	Redistributions of source code must retain the above copyright notice,
//  this list of conditions and the following disclaimer.
//	Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//	Neither the name of the Drew Davidson nor the names of its contributors
//  may be used to endorse or promote products derived from this software
//  without specific prior written permission.
//
//	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
//  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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//  THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
//  DAMAGE.
//--------------------------------------------------------------------------
package com.feilong.lib.ognl;

/**
 * This interface defines some useful constants for describing the various possible
 * numeric types of OGNL.
 * 
 * @author Luke Blanshard ([email protected])
 * @author Drew Davidson ([email protected])
 */
public interface NumericTypes{
    // Order does matter here... see the getNumericType methods in ognl.g.

    /** Type tag meaning boolean. */
    int BOOL          = 0;

    /** Type tag meaning byte. */
    int BYTE          = 1;

    /** Type tag meaning char. */
    int CHAR          = 2;

    /** Type tag meaning short. */
    int SHORT         = 3;

    /** Type tag meaning int. */
    int INT           = 4;

    /** Type tag meaning long. */
    int LONG          = 5;

    /** Type tag meaning java.math.BigInteger. */
    int BIGINT        = 6;

    /** Type tag meaning float. */
    int FLOAT         = 7;

    /** Type tag meaning double. */
    int DOUBLE        = 8;

    /** Type tag meaning java.math.BigDecimal. */
    int BIGDEC        = 9;

    /** Type tag meaning something other than a number. */
    int NONNUMERIC    = 10;

    /**
     * The smallest type tag that represents reals as opposed to integers. You can see
     * whether a type tag represents reals or integers by comparing the tag to this
     * constant: all tags less than this constant represent integers, and all tags
     * greater than or equal to this constant represent reals. Of course, you must also
     * check for NONNUMERIC, which means it is not a number at all.
     */
    int MIN_REAL_TYPE = FLOAT;
}