blob: d17a98d9969611991878deed65395943de08eab9 (
plain)
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.program;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
/**
* Instances of this class represent programs and
* their associated file extensions in the operating
* system.
*/
public final class Program {
String name;
/**
* Prevents uninitialized instances from being created outside the package.
*/
Program () {
}
/**
* Finds the program that is associated with an extension.
* The extension may or may not begin with a '.'. Note that
* a <code>Display</code> must already exist to guarantee that
* this method returns an appropriate result.
*
* @param extension the program extension
* @return the program or <code>null</code>
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT when extension is null</li>
* </ul>
*/
public static Program findProgram (String extension) {
if (extension == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
if (extension.length () == 0) return null;
if (extension.charAt (0) != '.') extension = "." + extension; //$NON-NLS-1$
Program program = null;
return program;
}
/**
* Answer all program extensions in the operating system. Note
* that a <code>Display</code> must already exist to guarantee
* that this method returns an appropriate result.
*
* @return an array of extensions
*/
public static String [] getExtensions () {
String [] extensions = new String [0];
return extensions;
}
/**
* Answers all available programs in the operating system. Note
* that a <code>Display</code> must already exist to guarantee
* that this method returns an appropriate result.
*
* @return an array of programs
*/
public static Program [] getPrograms () {
Program [] programs = new Program [0];
return programs;
}
/**
* Launches the operating system executable associated with the file or
* URL (http:// or https://). If the file is an executable then the
* executable is launched. Note that a <code>Display</code> must already
* exist to guarantee that this method returns an appropriate result.
*
* @param fileName the file or program name or URL (http:// or https://)
* @return <code>true</code> if the file is launched, otherwise <code>false</code>
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
* </ul>
*/
public static boolean launch (String fileName) {
if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
return false;
}
/**
* Executes the program with the file as the single argument
* in the operating system. It is the responsibility of the
* programmer to ensure that the file contains valid data for
* this program.
*
* @param fileName the file or program name
* @return <code>true</code> if the file is launched, otherwise <code>false</code>
*
* @exception IllegalArgumentException <ul>
* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
* </ul>
*/
public boolean execute (String fileName) {
if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
return false;
}
/**
* Returns the receiver's image data. This is the icon
* that is associated with the receiver in the operating
* system.
*
* @return the image data for the program, may be null
*/
public ImageData getImageData () {
ImageData imageData = null;
return imageData;
}
/**
* Returns the receiver's name. This is as short and
* descriptive a name as possible for the program. If
* the program has no descriptive name, this string may
* be the executable name, path or empty.
*
* @return the name of the program
*/
public String getName () {
return name;
}
/**
* Compares the argument to the receiver, and returns true
* if they represent the <em>same</em> object using a class
* specific comparison.
*
* @param other the object to compare with this object
* @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
*
* @see #hashCode()
*/
public boolean equals(Object other) {
if (this == other) return true;
if (other instanceof Program) {
final Program program = (Program) other;
return name.equals(program.name);
}
return false;
}
/**
* Returns an integer hash code for the receiver. Any two
* objects that return <code>true</code> when passed to
* <code>equals</code> must return the same value for this
* method.
*
* @return the receiver's hash
*
* @see #equals(Object)
*/
public int hashCode() {
return name.hashCode();
}
/**
* Returns a string containing a concise, human-readable
* description of the receiver.
*
* @return a string representation of the program
*/
public String toString () {
return "Program {" + name + "}"; //$NON-NLS-1$ //$NON-NLS-2$
}
}
|
