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Add a PathMatcher for CloudStorageFileSystem #1469

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merged 3 commits into from
Jan 13, 2017
Merged

Add a PathMatcher for CloudStorageFileSystem #1469

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998ae3d
Add a PathMatcher for CloudStorageFileSystem
jean-philippe-martin Dec 9, 2016
10aa070
Change testMatcher from data-centric to code-centric
jean-philippe-martin Jan 12, 2017
64ca46e
Remove unused import, rename variables, move test code around
jean-philippe-martin Jan 13, 2017
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7 changes: 2 additions & 5 deletions ...-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystem.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
import java.net.URISyntaxException;
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.nio.file.WatchService;
Expand Down Expand Up @@ -210,13 +211,9 @@ public Set<String> supportedFileAttributeViews() {
return SUPPORTED_VIEWS;
}

/**
* Throws {@link UnsupportedOperationException} because this feature hasn't been implemented yet.
*/
@Override
public PathMatcher getPathMatcher(String syntaxAndPattern) {
// TODO(#813): Implement me.
throw new UnsupportedOperationException();
return FileSystems.getDefault().getPathMatcher(syntaxAndPattern);
}

/**
Expand Down
24 changes: 24 additions & 0 deletions ...ud-nio/src/test/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
Expand Down Expand Up @@ -159,4 +160,27 @@ public void testListFiles() throws IOException {
assertThat(got).containsExactlyElementsIn(goodPaths);
}
}

@Test
public void testMatcher() throws IOException {
try (FileSystem fs = CloudStorageFileSystem.forBucket("bucket")) {
String pattern1 = "glob:*.java";
PathMatcher javaFileMatcher = fs.getPathMatcher(pattern1);
assertMatches(fs, javaFileMatcher, "a.java", true);
assertMatches(fs, javaFileMatcher, "a.text", false);
assertMatches(fs, javaFileMatcher, "folder/c.java", true);
assertMatches(fs, javaFileMatcher, "d", false);

String pattern2 = "glob:*.{java,text}";
PathMatcher javaAndTextFileMatcher = fs.getPathMatcher(pattern2);
assertMatches(fs, javaAndTextFileMatcher, "a.java", true);
assertMatches(fs, javaAndTextFileMatcher, "a.text", true);
assertMatches(fs, javaAndTextFileMatcher, "folder/c.java", true);
assertMatches(fs, javaAndTextFileMatcher, "d", false);
}
}

private void assertMatches(FileSystem fs, PathMatcher matcher, String toMatch, boolean expected) {
assertThat(matcher.matches(fs.getPath(toMatch).getFileName())).isEqualTo(expected);
}
}