Mercurial > cgi-bin > hgweb.cgi > JpegWasher
annotate src/name/blackcap/exifwasher/Test2.kt @ 23:5cac95c17fef
More Windows stuff. Attempts to get Windows packages working.
author | davidb |
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date | Thu, 16 Apr 2020 12:58:50 -0700 |
parents | efd9fe2d70d7 |
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1 /* |
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2 * A basic test of the library: try to use it to print out the EXIF |
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3 * data. |
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4 */ |
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5 package name.blackcap.exifwasher |
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6 |
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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.FileOutputStream |
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10 import name.blackcap.exifwasher.exiv2.* |
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11 |
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12 /* entry point */ |
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13 fun main(args: Array<String>) { |
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14 /* must have a file name */ |
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15 if (args.size != 1) { |
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16 System.err.println("expecting a file name") |
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17 System.exit(1) |
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18 } |
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19 |
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20 /* copy the file; we don't want to scribble on the original */ |
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21 val (name, ext) = splitext(args[0]) |
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22 val newName = "${name}_washed${ext}" |
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23 FileInputStream(args[0]).use { source -> |
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24 FileOutputStream(newName).use { target -> |
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25 source.copyTo(target) |
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26 } |
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27 } |
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28 |
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29 /* load the whitelist and image data */ |
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30 val white = Whitelist.parse(PROPERTIES.getProperty("whitelist")) |
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31 val image = Image(newName) |
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32 |
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33 /* do the washing */ |
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34 val meta = image.metadata |
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35 val keys = meta.keys |
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36 val keysin = keys.size |
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37 var deleted = 0 |
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38 keys.forEach { |
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39 if (!white.contains(it)) { |
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40 meta.erase(it) |
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41 deleted += 1 |
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42 } |
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43 } |
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44 |
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45 /* save and summarize */ |
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46 image.store() |
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47 println("${keysin} in - ${deleted} deleted = ${keysin - deleted} out") |
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48 } |
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49 |
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50 fun splitext(s: String): Pair<String, String> { |
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51 val pos = s.lastIndexOf('.') |
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52 if (pos == -1) { |
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53 return Pair(s, "") |
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54 } |
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55 return Pair(s.substring(0, pos), s.substring(pos)) |
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56 } |