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annotate src/name/blackcap/exifwasher/Files.kt @ 13:a59d84674fb0

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Make it seamlessly work on IPTC and XMP metadata, too.
author David Barts <davidb@stashtea.com>
date Sat, 11 Apr 2020 09:14:31 -0700
parents dc1f4359659d
children cd2ca4727b7f
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1 /*
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2 * For dealing with files.
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3 */
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4 package name.blackcap.exifwasher
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5
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6 import java.io.BufferedReader
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7 import java.io.File
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8 import java.io.FileInputStream
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9 import java.io.InputStreamReader
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10 import java.util.Properties
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11 import java.util.logging.FileHandler
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12 import java.util.logging.Level
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13 import java.util.logging.Logger
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14 import java.util.logging.SimpleFormatter
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15
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16 /* OS Type */
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17
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18 enum class OS {
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19 MAC, UNIX, WINDOWS, OTHER;
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20 companion object {
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21 private val rawType = System.getProperty("os.name")?.toLowerCase()
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22 val type = if (rawType == null) {
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23 OTHER
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24 } else if (rawType.contains("win")) {
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25 WINDOWS
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26 } else if (rawType.contains("mac")) {
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27 MAC
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28 } else if (rawType.contains("nix") || rawType.contains("nux") || rawType.contains("aix") || rawType.contains("sunos")) {
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29 UNIX
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30 } else {
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31 OTHER
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32 }
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33 }
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34 }
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35
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36 /* joins path name components to java.io.File */
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37
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38 fun joinPath(base: String, vararg rest: String) = rest.fold(File(base), ::File)
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39
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40 /* file names */
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41
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42 private val SHORTNAME = "exifwasher"
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43 private val LONGNAME = "name.blackcap." + SHORTNAME
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44 private val HOME = System.getenv("HOME")
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45 private val APPDATA = System.getenv("APPDATA")
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46 val PF_DIR = when (OS.type) {
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47 OS.MAC -> joinPath(HOME, "Library", "Application Support", LONGNAME)
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48 OS.WINDOWS -> joinPath(APPDATA, "Roaming", LONGNAME)
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49 else -> joinPath(HOME, "." + SHORTNAME)
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50 }
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51 val LF_DIR = when (OS.type) {
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52 OS.MAC -> joinPath(HOME, "Library", "Application Support", LONGNAME)
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53 OS.WINDOWS -> joinPath(APPDATA, "Local", LONGNAME)
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54 else -> joinPath(HOME, "." + SHORTNAME)
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55 }
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56 val PROP_FILE = File(PF_DIR, SHORTNAME + ".properties")
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57 val LOG_FILE = File(LF_DIR, SHORTNAME + ".log")
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58
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59 /* make some needed directories */
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60
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61 private fun File.makeIfNeeded() = if (exists()) { true } else { mkdirs() }
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62
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63 /* make some usable objects */
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64
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65 val CHARSET = "UTF-8"
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66
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67 val DPROPERTIES = Properties().apply {
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68 OS::class.java.getResourceAsStream("default.properties").use { load(it) }
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69 }
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70
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71 val PROPERTIES = Properties(DPROPERTIES).apply {
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72 PF_DIR.makeIfNeeded()
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73 PROP_FILE.createNewFile()
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74 BufferedReader(InputStreamReader(FileInputStream(PROP_FILE), CHARSET)).use {
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75 load(it)
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76 }
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77 }
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78
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79 val LOGGER = run {
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80 System.setProperty("java.util.logging.SimpleFormatter.format",
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81 "%1\$tFT%1\$tT%1\$tz %2\$s%n%4\$s: %5\$s%6\$s%n")
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82 LF_DIR.makeIfNeeded()
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83 Logger.getLogger(LONGNAME).apply {
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84 addHandler(FileHandler(LOG_FILE.toString()).apply {
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85 formatter = SimpleFormatter() })
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86 level = Level.CONFIG
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87 useParentHandlers = false
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88 }
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89 }