API Overview API Index Package Overview Direct link to this page
JDK 1.6
  javax.script. ScriptException View Javadoc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135

/*
 * @(#)ScriptException.java	1.2 05/11/17 14:24:14
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTAIL. Use is subject to license terms.
 */

package javax.script;

/**
 * The generic <code>Exception</code> class for the Scripting APIs.  Checked
 * exception types thrown by underlying scripting implementations must be wrapped in instances of
 * <code>ScriptException</code>.  The class has members to store line and column numbers and
 * filenames if this information is available.
 *
 * @author Mike Grogan
 * @version 1.0
 * @since 1.6
 */
public class ScriptException extends Exception {
    
    private String fileName;
    private int lineNumber;
    private int columnNumber;
    
    /**
     * Creates a <code>ScriptException</code> with a String to be used in its message.
     * Filename, and line and column numbers are unspecified.
     *
     * @param s The String to use in the message.
     */
    public ScriptException(String s) {
        super(s);
        fileName = null;
        lineNumber = -1;
        columnNumber = -1;
    }
    
    /**
     * Creates a <code>ScriptException</code> wrapping an <code>Exception</code> thrown by an underlying
     * interpreter.  Line and column numbers and filename are unspecified.
     *
     * @param e The wrapped <code>Exception</code>.
     */
    public ScriptException(Exception e) {
        super(e);
        fileName = null;
        lineNumber = -1;
        columnNumber = -1;
    }
    
    /**
     * Creates a <code>ScriptException</code> with message, filename and linenumber to
     * be used in error messages.
     *
     * @param message The string to use in the message
     *
     * @param fileName The file or resource name describing the location of a script error
     * causing the <code>ScriptException</code> to be thrown.
     *
     * @param lineNumber A line number describing the location of a script error causing
     * the <code>ScriptException</code> to be thrown.
     */
    public ScriptException(String message, String fileName, int lineNumber) {
        super(message);
        this.fileName = fileName;
        this.lineNumber = lineNumber;
        this.columnNumber = -1;
    }
    
    /**
     * <code>ScriptException</code> constructor specifying message, filename, line number
     * and column number.
     * @param message The message.
     * @param fileName The filename
     * @param lineNumber the line number.
     * @param columnNumber the column number.
     */
    public ScriptException(String message,
            String fileName,
            int lineNumber,
            int columnNumber) {
        super(message);
        this.fileName = fileName;
        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
    }
    
    /**
     * Returns a message containing the String passed to a constructor as well as
     * line and column numbers and filename if any of these are known.
     * @return The error message.
     */
    public String getMessage() {
        String ret = super.getMessage();
        if (fileName != null) {
            ret += (" in " + fileName);
            if (lineNumber != -1) {
                ret += " at line number " + lineNumber;
            }
            
            if (columnNumber != -1) {
                ret += " at column number " + columnNumber;
            }
        }
        
        return ret;
    }
    
    /**
     * Get the line number on which an error occurred.
     * @return The line number.  Returns -1 if a line number is unavailable.
     */
    public int getLineNumber() {
        return lineNumber;
    }
    
    /**
     * Get the column number on which an error occurred.
     * @return The column number.  Returns -1 if a column number is unavailable.
     */
    public int getColumnNumber() {
        return columnNumber;
    }
    
    /**
     * Get the source of the script causing the error.
     * @return The file name of the script or some other string describing the script
     * source.  May return some implementation-defined string such as <i>&lt;unknown&gt;</i>
     * if a description of the source is unavailable.
     */
    public String getFileName() {
        return fileName;
    }
}

Generated By: JavaOnTracks Doclet 0.1.4     ©Thibaut Colar