01: /*
02: * The Apache Software License, Version 1.1
03: *
04: * Copyright (c) 1999 The Apache Software Foundation. All rights
05: * reserved.
06: *
07: * Redistribution and use in source and binary forms, with or without
08: * modification, are permitted provided that the following conditions
09: * are met:
10: *
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: *
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in
16: * the documentation and/or other materials provided with the
17: * distribution.
18: *
19: * 3. The end-user documentation included with the redistribution, if
20: * any, must include the following acknowlegement:
21: * "This product includes software developed by the
22: * Apache Software Foundation (http://www.apache.org/)."
23: * Alternately, this acknowlegement may appear in the software itself,
24: * if and wherever such third-party acknowlegements normally appear.
25: *
26: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
27: * Foundation" must not be used to endorse or promote products derived
28: * from this software without prior written permission. For written
29: * permission, please contact apache@apache.org.
30: *
31: * 5. Products derived from this software may not be called "Apache"
32: * nor may "Apache" appear in their names without prior written
33: * permission of the Apache Group.
34: *
35: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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43: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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47: * ====================================================================
48: *
49: * This software consists of voluntary contributions made by many
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54: */
55:
56: package org.jbpm.jpdl.el.impl;
57:
58: /**
59: *
60: * <p>An expression representing an integer literal value. The value
61: * is stored internally as a long.
62: *
63: * @author Nathan Abramson - Art Technology Group
64: * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author$
65: **/
66:
67: public class IntegerLiteral extends Literal {
68: //-------------------------------------
69: /**
70: *
71: * Constructor
72: **/
73: public IntegerLiteral(String pToken) {
74: super (getValueFromToken(pToken));
75: }
76:
77: //-------------------------------------
78: /**
79: *
80: * Parses the given token into the literal value
81: **/
82: static Object getValueFromToken(String pToken) {
83: return new Long(pToken);
84: }
85:
86: //-------------------------------------
87: // Expression methods
88: //-------------------------------------
89: /**
90: *
91: * Returns the expression in the expression language syntax
92: **/
93: public String getExpressionString() {
94: return getValue().toString();
95: }
96:
97: //-------------------------------------
98: }
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