-
Notifications
You must be signed in to change notification settings - Fork 53
Expand file tree
/
Copy pathAbstractApp.java
More file actions
152 lines (131 loc) · 4.49 KB
/
Copy pathAbstractApp.java
File metadata and controls
152 lines (131 loc) · 4.49 KB
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
/*
* #%L
* SciJava Common shared library for SciJava software.
* %%
* Copyright (C) 2009 - 2016 Board of Regents of the University of
* Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
* Institute of Molecular Cell Biology and Genetics.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* #L%
*/
package org.scijava.app;
import java.io.File;
import org.scijava.log.LogService;
import org.scijava.plugin.AbstractRichPlugin;
import org.scijava.plugin.Parameter;
import org.scijava.util.AppUtils;
import org.scijava.util.Manifest;
import org.scijava.util.POM;
/**
* Abstract superclass of {@link App} implementations.
*
* @author Curtis Rueden
*/
public abstract class AbstractApp extends AbstractRichPlugin implements App {
@Parameter(required = false)
private LogService log;
/** Maven POM with metadata about the application. */
private POM pom;
/** JAR manifest with metadata about the application. */
private Manifest manifest;
// -- App methods --
@Override
public String getTitle() {
return getInfo().getName();
}
@Override
public POM getPOM() {
if (pom == null) {
// load the POM lazily
pom = POM.getPOM(getClass(), getGroupId(), getArtifactId());
}
return pom;
}
@Override
public Manifest getManifest() {
if (manifest == null) {
// load the manifest lazily
manifest = Manifest.getManifest(getClass());
}
return manifest;
}
@Override
public String getInfo(boolean mem) {
final String appTitle = getTitle();
final String appVersion = getVersion();
final String javaVersion = System.getProperty("java.version");
final String osArch = System.getProperty("os.arch");
final long maxMem = Runtime.getRuntime().maxMemory();
final long totalMem = Runtime.getRuntime().totalMemory();
final long freeMem = Runtime.getRuntime().freeMemory();
final long usedMem = totalMem - freeMem;
final long usedMB = usedMem / 1048576;
final long maxMB = maxMem / 1048576;
final StringBuilder sb = new StringBuilder();
sb.append(appTitle + " " + appVersion);
sb.append("; Java " + javaVersion + " [" + osArch + "]");
if (mem) sb.append("; " + usedMB + "MB of " + maxMB + "MB");
return sb.toString();
}
@Override
public String getSystemProperty() {
return getInfo().getName().toLowerCase() + ".dir";
}
@Override
public File getBaseDirectory() {
return AppUtils.getBaseDirectory(getSystemProperty(), getClass(), null);
}
@Override
public void about() {
if (log != null) log.info(getInfo(false));
}
@Override
public void prefs() {
// NB: Do nothing.
}
@Override
public void quit() {
getContext().dispose();
}
// -- Versioned methods --
@Override
public String getVersion() {
// NB: We do not use VersionUtils.getVersion(c, groupId, artifactId)
// because that method does not cache the parsed Manifest and/or POM.
// We might have them already parsed here, and if not, we want to
// parse then cache locally, rather than discarding them afterwards.
// try the manifest first, since it might know its build number
final Manifest m = getManifest();
if (m != null) {
final String v = m.getVersion();
if (v != null) return v;
}
// try the POM
final POM p = getPOM();
if (p != null) {
final String v = p.getVersion();
if (v != null) return v;
}
return "Unknown";
}
}