Java Code Examples for org.apache.hadoop.fs.LocalFileSystem#getFileStatus()

The following examples show how to use org.apache.hadoop.fs.LocalFileSystem#getFileStatus() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestHadoopArchives.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
/*
 * Tests copying from archive file system to a local file system
 */
public void testCopyToLocal() throws Exception {
  final String fullHarPathStr = makeArchive();

  // make path to copy the file to:
  final String tmpDir
    = System.getProperty("test.build.data","build/test/data") + "/work-dir/har-fs-tmp";
  final Path tmpPath = new Path(tmpDir);
  final LocalFileSystem localFs = FileSystem.getLocal(new Configuration());
  localFs.delete(tmpPath, true);
  localFs.mkdirs(tmpPath);
  assertTrue(localFs.exists(tmpPath));
  
  // Create fresh HarFs:
  final HarFileSystem harFileSystem = new HarFileSystem(fs);
  try {
    final URI harUri = new URI(fullHarPathStr);
    harFileSystem.initialize(harUri, fs.getConf());
    
    final Path sourcePath = new Path(fullHarPathStr + Path.SEPARATOR + "a");
    final Path targetPath = new Path(tmpPath, "straus");
    // copy the Har file to a local file system:
    harFileSystem.copyToLocalFile(false, sourcePath, targetPath);
    FileStatus straus = localFs.getFileStatus(targetPath);
    // the file should contain just 1 character:
    assertEquals(1, straus.getLen());
  } finally {
    harFileSystem.close();
    localFs.delete(tmpPath, true);      
  }
}
Example 2
Source File: TestHadoopArchives.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
/*
 * Tests copying from archive file system to a local file system
 */
public void testCopyToLocal() throws Exception {
  final String fullHarPathStr = makeArchive();

  // make path to copy the file to:
  final String tmpDir
    = System.getProperty("test.build.data","build/test/data") + "/work-dir/har-fs-tmp";
  final Path tmpPath = new Path(tmpDir);
  final LocalFileSystem localFs = FileSystem.getLocal(new Configuration());
  localFs.delete(tmpPath, true);
  localFs.mkdirs(tmpPath);
  assertTrue(localFs.exists(tmpPath));
  
  // Create fresh HarFs:
  final HarFileSystem harFileSystem = new HarFileSystem(fs);
  try {
    final URI harUri = new URI(fullHarPathStr);
    harFileSystem.initialize(harUri, fs.getConf());
    
    final Path sourcePath = new Path(fullHarPathStr + Path.SEPARATOR + "a");
    final Path targetPath = new Path(tmpPath, "straus");
    // copy the Har file to a local file system:
    harFileSystem.copyToLocalFile(false, sourcePath, targetPath);
    FileStatus straus = localFs.getFileStatus(targetPath);
    // the file should contain just 1 character:
    assertEquals(1, straus.getLen());
  } finally {
    harFileSystem.close();
    localFs.delete(tmpPath, true);      
  }
}
Example 3
Source File: SepConsumerIT.java    From hbase-indexer with Apache License 2.0 5 votes vote down vote up 
static String getDefaultUmask() throws IOException {
    // Hack to get around the test DFS cluster only wanting to start up if the
    // umask is set to the expected value (i.e. 022)
    File tmpDir = Files.createTempDir();
    LocalFileSystem local = FileSystem.getLocal(new Configuration());
    FileStatus stat = local.getFileStatus(new Path(tmpDir.getAbsolutePath()));
    FsPermission permission = stat.getPermission();
    String permString = Integer.toString(permission.toShort(), 8);
    tmpDir.delete();
    return permString;
}