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
|
package tim.prune;
import java.io.IOException;
import tim.prune.config.Config;
/**
* Class to manage interfaces to external tools, like exiftool
*/
public abstract class ExternalTools
{
/** Constant for Exiftool */
public static final int TOOL_EXIFTOOL = 0;
/** Constant for Gpsbabel */
public static final int TOOL_GPSBABEL = 1;
/** Constant for Gnuplot */
public static final int TOOL_GNUPLOT = 2;
/** Constant for Xerces xml library */
public static final int TOOL_XERCES = 3;
/** Config keys in order that the tools are defined above */
private static final String[] CONFIG_KEYS = {Config.KEY_EXIFTOOL_PATH, Config.KEY_GPSBABEL_PATH, Config.KEY_GNUPLOT_PATH};
/** Verification flags for the tools in the order defined above */
private static final String[] VERIFY_FLAGS = {"-v", "-V", "-V"};
/**
* Check if the selected tool is installed
* @param inToolNum number of tool, from constants
* @return true if selected tool is installed
*/
public static boolean isToolInstalled(int inToolNum)
{
switch (inToolNum) {
case TOOL_EXIFTOOL:
case TOOL_GPSBABEL:
case TOOL_GNUPLOT:
String toolPath = Config.getConfigString(CONFIG_KEYS[inToolNum]);
if (toolPath != null && toolPath.length() > 0) {
return check(toolPath + " " + VERIFY_FLAGS[inToolNum]);
}
break;
case TOOL_XERCES:
try {
return Class.forName("org.apache.xerces.parsers.SAXParser").getClassLoader() != null;
}
catch (ClassNotFoundException e) {
// System.err.println(e.getClass().getName() + " : " + e.getMessage());
}
break;
}
// Not found
return false;
}
/**
* Check if the selected tool is installed using the given path
* @param inToolNum number of tool, from constants
* @param inPath selected path to use instead of configured one
* @return true if selected tool is installed
*/
public static boolean isToolInstalled(int inToolNum, String inPath)
{
if (inPath == null || inPath.equals("")) {return false;}
switch (inToolNum) {
case TOOL_EXIFTOOL:
case TOOL_GPSBABEL:
case TOOL_GNUPLOT:
return check(inPath + " " + VERIFY_FLAGS[inToolNum]);
}
// Not found
return false;
}
/**
* Attempt to call the specified command
* @return true if found, false otherwise
*/
private static boolean check(String inCommand)
{
try
{
Runtime.getRuntime().exec(inCommand);
return true;
}
catch (IOException ioe)
{
// exception thrown, command not found
return false;
}
}
}
|
