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1 /* |
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2 * Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 */ |
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23 |
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24 import java.nio.file.*; |
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25 import java.io.*; |
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26 |
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27 /** |
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28 * Uses Files.probeContentType to probe html file and custom file type. |
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29 */ |
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30 |
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31 public class ContentType { |
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32 |
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33 static FileRef createHtmlFile() throws IOException { |
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34 Path file = File.createTempFile("foo", ".html").toPath(); |
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35 OutputStream out = file.newOutputStream(); |
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36 try { |
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37 out.write("<html><body>foo</body></html>".getBytes()); |
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38 } finally { |
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39 out.close(); |
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40 } |
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41 |
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42 return file; |
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43 } |
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44 |
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45 static FileRef createUnknownFile() throws IOException { |
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46 return File.createTempFile("unknown", "unknown-file-type-789").toPath(); |
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47 } |
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48 |
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49 static FileRef createGrapeFile() throws IOException { |
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50 return File.createTempFile("red", ".grape").toPath(); |
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51 } |
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52 |
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53 public static void main(String[] args) throws IOException { |
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54 |
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55 // exercise default file type detector |
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56 FileRef file = createHtmlFile(); |
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57 try { |
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58 String type = Files.probeContentType(file); |
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59 if (type == null) { |
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60 System.err.println("Content type cannot be determined - test skipped"); |
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61 } else { |
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62 if (!type.equals("text/html")) |
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63 throw new RuntimeException("Unexpected type: " + type); |
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64 } |
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65 } finally { |
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66 TestUtil.deleteUnchecked(file); |
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67 } |
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68 file = createUnknownFile(); |
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69 try { |
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70 String type = Files.probeContentType(file); |
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71 if (type != null) |
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72 throw new RuntimeException(file + " should not be recognized as:" + |
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73 type); |
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74 } finally { |
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75 TestUtil.deleteUnchecked(file); |
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76 } |
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77 |
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78 // exercise custom file type detector |
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79 file = createGrapeFile(); |
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80 try { |
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81 String type = Files.probeContentType(file); |
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82 if (type == null) |
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83 throw new RuntimeException("Custom file type detector not installed?"); |
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84 if (!type.equals("grape/unknown")) |
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85 throw new RuntimeException("Unexpected type: " + type); |
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86 } finally { |
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87 TestUtil.deleteUnchecked(file); |
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88 } |
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89 |
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90 } |
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91 } |