Examples of org.eclipse.jgit.fnmatch.FileNameMatcher

org.eclipse.jgit.fnmatch.FileNameMatcher
This class can be used to match filenames against fnmatch like patterns. It is not thread save.
Supported are the wildcard characters * and ? and groups with:
- characters e.g. [abc]
- ranges e.g. [a-z]
- the following character classes
  - [:alnum:]
  - [:alpha:]
  - [:blank:]
  - [:cntrl:]
  - [:digit:]
  - [:graph:]
  - [:lower:]
  - [:print:]
  - [:punct:]
  - [:space:]
  - [:upper:]
  - [:word:]
  - [:xdigit:]
  e. g. [[:xdigit:]]

  private static boolean isHostPattern(final String s) {
    return s.indexOf('*') >= 0 || s.indexOf('?') >= 0;
  }


  private static boolean isHostMatch(final String pattern, final String name) {
    final FileNameMatcher fn;
    try {
      fn = new FileNameMatcher(pattern, null);
    } catch (InvalidPatternException e) {
      return false;
    }
    fn.append(name);
    return fn.isMatch();
  }

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      pattern = "/" + pattern;
    }


    if (pattern.contains("*") || pattern.contains("?") || pattern.contains("[")) {
      try {
        matcher = new FileNameMatcher(pattern, Character.valueOf('/'));
      } catch (InvalidPatternException e) {
        e.printStackTrace();
      }
    }
  }

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      pattern = "/" + pattern; //$NON-NLS-1$
    }


    if (pattern.contains("*") || pattern.contains("?") || pattern.contains("[")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
      try {
        matcher = new FileNameMatcher(pattern, Character.valueOf('/'));
      } catch (InvalidPatternException e) {
        // Ignore pattern exceptions
      }
    }
  }

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  private static boolean isHostPattern(final String s) {
    return s.indexOf('*') >= 0 || s.indexOf('?') >= 0;
  }


  private static boolean isHostMatch(final String pattern, final String name) {
    final FileNameMatcher fn;
    try {
      fn = new FileNameMatcher(pattern, null);
    } catch (InvalidPatternException e) {
      return false;
    }
    fn.append(name);
    return fn.isMatch();
  }

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public class FileNameMatcherTest extends TestCase {


  private void assertMatch(final String pattern, final String input,
      final boolean matchExpected, final boolean appendCanMatchExpected)
      throws InvalidPatternException {
    final FileNameMatcher matcher = new FileNameMatcher(pattern, null);
    matcher.append(input);
    assertEquals(matchExpected, matcher.isMatch());
    assertEquals(appendCanMatchExpected, matcher.canAppendMatch());
  }

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  private void assertFileNameMatch(final String pattern, final String input,
      final char excludedCharacter, final boolean matchExpected,
      final boolean appendCanMatchExpected)
      throws InvalidPatternException {
    final FileNameMatcher matcher = new FileNameMatcher(pattern,
        new Character(excludedCharacter));
    matcher.append(input);
    assertEquals(matchExpected, matcher.isMatch());
    assertEquals(appendCanMatchExpected, matcher.canAppendMatch());
  }

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    assertFileNameMatch("a?b", "a\\b", '\\', false, false);
  }


  public void testReset() throws Exception {
    final String pattern = "helloworld";
    final FileNameMatcher matcher = new FileNameMatcher(pattern, null);
    matcher.append("helloworld");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    matcher.reset();
    matcher.append("hello");
    assertEquals(false, matcher.isMatch());
    assertEquals(true, matcher.canAppendMatch());
    matcher.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    matcher.append("to much");
    assertEquals(false, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    matcher.reset();
    matcher.append("helloworld");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
  }

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    assertEquals(false, matcher.canAppendMatch());
  }


  public void testCreateMatcherForSuffix() throws Exception {
    final String pattern = "helloworld";
    final FileNameMatcher matcher = new FileNameMatcher(pattern, null);
    matcher.append("hello");
    final FileNameMatcher childMatcher = matcher.createMatcherForSuffix();
    assertEquals(false, matcher.isMatch());
    assertEquals(true, matcher.canAppendMatch());
    assertEquals(false, childMatcher.isMatch());
    assertEquals(true, childMatcher.canAppendMatch());
    matcher.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(false, childMatcher.isMatch());
    assertEquals(true, childMatcher.canAppendMatch());
    childMatcher.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(true, childMatcher.isMatch());
    assertEquals(false, childMatcher.canAppendMatch());
    childMatcher.reset();
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(false, childMatcher.isMatch());
    assertEquals(true, childMatcher.canAppendMatch());
    childMatcher.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(true, childMatcher.isMatch());
    assertEquals(false, childMatcher.canAppendMatch());
  }

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    assertEquals(false, childMatcher.canAppendMatch());
  }


  public void testCopyConstructor() throws Exception {
    final String pattern = "helloworld";
    final FileNameMatcher matcher = new FileNameMatcher(pattern, null);
    matcher.append("hello");
    final FileNameMatcher copy = new FileNameMatcher(matcher);
    assertEquals(false, matcher.isMatch());
    assertEquals(true, matcher.canAppendMatch());
    assertEquals(false, copy.isMatch());
    assertEquals(true, copy.canAppendMatch());
    matcher.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(false, copy.isMatch());
    assertEquals(true, copy.canAppendMatch());
    copy.append("world");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(true, copy.isMatch());
    assertEquals(false, copy.canAppendMatch());
    copy.reset();
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(false, copy.isMatch());
    assertEquals(true, copy.canAppendMatch());
    copy.append("helloworld");
    assertEquals(true, matcher.isMatch());
    assertEquals(false, matcher.canAppendMatch());
    assertEquals(true, copy.isMatch());
    assertEquals(false, copy.canAppendMatch());
  }

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      pattern = "/" + pattern;
    }


    if (pattern.contains("*") || pattern.contains("?") || pattern.contains("[")) {
      try {
        matcher = new FileNameMatcher(pattern, new Character('/'));
      } catch (InvalidPatternException e) {
        e.printStackTrace();
      }
    }
  }

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