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comparison src/name/blackcap/imageprep/Files.kt @ 0:e0efe7848130

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Initial commit. Untested!
author David Barts <davidb@stashtea.com>
date Thu, 16 Jul 2020 19:57:23 -0700
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children 0bded24f746e
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-1:000000000000 0:e0efe7848130
1 /*
2 * For dealing with files.
3 */
4 package name.blackcap.imageprep
5
6 import java.io.BufferedReader
7 import java.io.File
8 import java.io.FileInputStream
9 import java.io.InputStreamReader
10 import java.util.Properties
11 import java.util.logging.FileHandler
12 import java.util.logging.Level
13 import java.util.logging.Logger
14 import java.util.logging.SimpleFormatter
15
16 /* OS Type */
17
18 enum class OS {
19 MAC, UNIX, WINDOWS, OTHER;
20 companion object {
21 private val rawType = System.getProperty("os.name")?.toLowerCase()
22 val type = if (rawType == null) {
23 OTHER
24 } else if (rawType.contains("win")) {
25 WINDOWS
26 } else if (rawType.contains("mac")) {
27 MAC
28 } else if (rawType.contains("nix") || rawType.contains("nux") || rawType.contains("aix") || rawType.contains("sunos")) {
29 UNIX
30 } else {
31 OTHER
32 }
33 }
34 }
35
36 /* joins path name components to java.io.File */
37
38 fun joinPath(base: String, vararg rest: String) = rest.fold(File(base), ::File)
39
40 /* file names */
41
42 private val SHORTNAME = "imageprep"
43 private val LONGNAME = "name.blackcap." + SHORTNAME
44 private val HOME = System.getenv("HOME")
45 val PF_DIR = when (OS.type) {
46 OS.MAC -> joinPath(HOME, "Library", "Application Support", LONGNAME)
47 OS.WINDOWS -> joinPath(System.getenv("APPDATA"), LONGNAME)
48 else -> joinPath(HOME, "." + SHORTNAME)
49 }
50 val LF_DIR = when (OS.type) {
51 OS.MAC -> joinPath(HOME, "Library", "Application Support", LONGNAME)
52 OS.WINDOWS -> joinPath(System.getenv("LOCALAPPDATA"), LONGNAME)
53 else -> joinPath(HOME, "." + SHORTNAME)
54 }
55 val PROP_FILE = File(PF_DIR, SHORTNAME + ".properties")
56 val LOG_FILE = File(LF_DIR, SHORTNAME + ".log")
57
58 /* make some needed directories */
59
60 private fun File.makeIfNeeded() = if (exists()) { true } else { mkdirs() }
61
62 /* make some usable objects */
63
64 val CHARSET = "UTF-8"
65
66 private val DPNAME = "default.properties"
67 val DPROPERTIES = Properties().apply {
68 val rawStream = OS::class.java.getResourceAsStream(DPNAME)
69 BufferedReader(InputStreamReader(rawStream, CHARSET)).use {
70 load(it)
71 }
72 }
73
74 val PROPERTIES = Properties(DPROPERTIES).apply {
75 PF_DIR.makeIfNeeded()
76 if (PROP_FILE.exists()) {
77 BufferedReader(InputStreamReader(FileInputStream(PROP_FILE), CHARSET)).use {
78 load(it)
79 }
80 } else {
81 FileOutputStream(PROP_FILE).use { output ->
82 OS::class.java.getResourceAsStream(DPNAME).use { input ->
83 input.copyTo(output)
84 }
85 }
86 }
87 }
88
89 val LOGGER = run {
90 System.setProperty("java.util.logging.SimpleFormatter.format",
91 "%1\$tFT%1\$tT%1\$tz %2\$s%n%4\$s: %5\$s%6\$s%n")
92 LF_DIR.makeIfNeeded()
93 Logger.getLogger(LONGNAME).apply {
94 addHandler(FileHandler(LOG_FILE.toString()).apply {
95 formatter = SimpleFormatter() })
96 level = Level.CONFIG
97 useParentHandlers = false
98 }
99 }