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Java > Open Source Codes > org > exolab > jms > selector > Context


1 /**
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3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
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10  * 2. Redistributions in binary form must reproduce the
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12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
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16  * products derived from this Software without prior written
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18  * please contact info@exolab.org.
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20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Exoffice Technologies. Exolab is a registered
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26  * (http://www.exolab.org/).
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28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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40  *
41  * Copyright 2000-2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42  */
43
44 package org.exolab.jms.selector;
45
46
47 /**
48  * This class encapsulates the context of a parsed token.
49  *
50  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:44 $
51  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
52  * @see SelectorException
53  * @see org.exolab.jms.selector.parser.SelectorAST
54  */
55 public final class Context {
56
57     /**
58      * The line of the parsed token
59      */
60     private final int _line;
61
62     /**
63      * The column of the parsed token
64      */
65     private final int _column;
66
67
68     /**
69      * Construct a new <code>Context</code>
70      *
71      * @param line the line where the token was encountered
72      * @param column the column where the token was encountered
73      */
74     public Context(final int line, final int column) {
75         _line = line;
76         _column = column;
77     }
78
79     /**
80      * Returns the line where the token was encountered
81      *
82      * @return the line number
83      */
84     public int getLine() {
85         return _line;
86     }
87
88     /**
89      * Returns the column where the token was encountered
90      *
91      * @return the column number
92      */
93     public int getColumn() {
94         return _column;
95     }
96
97     /**
98      * Returns a string representation of this
99      *
100      * @return a string representation of this
101      */
102     public String JavaDoc toString() {
103         return "line " + _line + ", column " + _column;
104     }
105
106 } //-- Context
107
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