constantlong.java

来自「linux下建立JAVA虚拟机的源码KAFFE」· Java 代码 · 共 68 行

/* gnu.classpath.tools.gjdoc.expr.ConstantLong
   Copyright (C) 2004 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */

package gnu.classpath.tools.gjdoc.expr;

class ConstantLong
   extends ConstantExpression
{
   private long value;

   public ConstantLong(String stringValue)
   {
      if ('l' == Character.toLowerCase(stringValue.charAt(stringValue.length() - 1))) {
         this.value = Evaluator.parseLong(stringValue.substring(0, stringValue.length() - 1));
      }
      else {
         this.value = Evaluator.parseInt(stringValue.substring(0, stringValue.length() - 1));
      }
   }

   public ConstantLong(long longValue)
   {
      this.value = longValue;
   }

   public Type getType()
   {
      return Type.LONG;
   }

   public Number asNumber()
   {
      return new Long(value);
   }

   public boolean isNumber()
   {
      return true;
   }

   public Object asObject()
   {
      return asNumber();
   }

   public String toString()
   {
      return Long.toString(value);
   }
}