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annotate src/main/kotlin/name/blackcap/passman/Files.kt @ 5:ad997df1f560

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Fix see() to be about as good as sccc.
author David Barts <n5jrn@me.com>
date Sun, 11 Sep 2022 21:29:20 -0700
parents a6cfdffcaa94
children 711cc42e96d7
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1 package name.blackcap.passman
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2
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3 import java.io.BufferedReader
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4 import java.io.File
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5 import java.io.FileInputStream
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6 import java.io.InputStreamReader
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7 import java.nio.charset.StandardCharsets
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8 import java.util.*
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9 import kotlin.system.exitProcess
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10
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11 /* OS Type */
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12
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13 enum class OS {
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14 MAC, UNIX, WINDOWS, OTHER;
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15 companion object {
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16 private val rawType = System.getProperty("os.name")?.lowercase()
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17 val type = if (rawType == null) {
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18 OTHER
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19 } else if (rawType.contains("win")) {
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20 WINDOWS
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21 } else if (rawType.contains("mac")) {
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22 MAC
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23 } else if (rawType.contains("nix") || rawType.contains("nux") || rawType.contains("aix") || rawType.contains("sunos")) {
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24 UNIX
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25 } else {
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26 OTHER
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27 }
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28 }
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29 }
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30
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31 /* joins path name components to java.io.File */
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32
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33 fun joinPath(base: String, vararg rest: String) = rest.fold(File(base), ::File)
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34
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35 /* file names */
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36
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37 private const val SHORTNAME = "passman"
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38 const val MAIN_PACKAGE = "name.blackcap." + SHORTNAME
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39 private val HOME = System.getenv("HOME")
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40 private val PF_DIR = when (OS.type) {
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41 OS.MAC -> joinPath(HOME, "Library", "Application Support", MAIN_PACKAGE)
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42 OS.WINDOWS -> joinPath(System.getenv("APPDATA"), MAIN_PACKAGE)
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43 else -> joinPath(HOME, "." + SHORTNAME)
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44 }
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45
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46 val PROP_FILE = File(PF_DIR, SHORTNAME + ".properties")
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47 val DB_FILE: String = File(PF_DIR, SHORTNAME + ".db").absolutePath
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48
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49 /* make some needed directories */
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50
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51 private fun File.makeIfNeeded() = if (exists()) { true } else { mkdirs() }
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52
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53 /* make some usable objects */
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54
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55 val DPROPERTIES = Properties().apply {
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56 OS::class.java.getResourceAsStream("/default.properties").use { load(it) }
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57 }
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58
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59 val PROPERTIES = Properties(DPROPERTIES).apply {
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60 PF_DIR.makeIfNeeded()
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61 PROP_FILE.createNewFile()
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62 BufferedReader(InputStreamReader(FileInputStream(PROP_FILE), StandardCharsets.UTF_8)).use {
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63 load(it)
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64 }
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65 }
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66
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67 /* error messages */
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68
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69 fun error(message: String) {
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70 System.err.println("${SHORTNAME}: ${message}")
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71 }
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72
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73 fun die(message: String, exitStatus: Int = 1) {
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74 error(message)
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75 exitProcess(exitStatus)
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76 }
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77