Java Code Examples for org.apache.hadoop.fs.FileSystem#listXAttrs()
The following examples show how to use
org.apache.hadoop.fs.FileSystem#listXAttrs() .
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Example 1
Source File: BaseTestHttpFSWith.java From hadoop with Apache License 2.0 | 5 votes |
/** List xattrs */ private void testListXAttrs() throws Exception { if (!isLocalFS()) { FileSystem fs = FileSystem.get(getProxiedFSConf()); fs.mkdirs(getProxiedFSTestDir()); Path path = new Path(getProxiedFSTestDir(), "foo.txt"); OutputStream os = fs.create(path); os.write(1); os.close(); fs.close(); final String name1 = "user.a1"; final byte[] value1 = new byte[]{0x31, 0x32, 0x33}; final String name2 = "user.a2"; final byte[] value2 = new byte[]{0x41, 0x42, 0x43}; final String name3 = "user.a3"; final byte[] value3 = null; final String name4 = "trusted.a1"; final byte[] value4 = new byte[]{0x31, 0x32, 0x33}; fs = FileSystem.get(getProxiedFSConf()); fs.setXAttr(path, name1, value1); fs.setXAttr(path, name2, value2); fs.setXAttr(path, name3, value3); fs.setXAttr(path, name4, value4); fs.close(); fs = getHttpFSFileSystem(); List<String> names = fs.listXAttrs(path); Assert.assertEquals(4, names.size()); Assert.assertTrue(names.contains(name1)); Assert.assertTrue(names.contains(name2)); Assert.assertTrue(names.contains(name3)); Assert.assertTrue(names.contains(name4)); } }
Example 2
Source File: BaseTestHttpFSWith.java From big-c with Apache License 2.0 | 5 votes |
/** List xattrs */ private void testListXAttrs() throws Exception { if (!isLocalFS()) { FileSystem fs = FileSystem.get(getProxiedFSConf()); fs.mkdirs(getProxiedFSTestDir()); Path path = new Path(getProxiedFSTestDir(), "foo.txt"); OutputStream os = fs.create(path); os.write(1); os.close(); fs.close(); final String name1 = "user.a1"; final byte[] value1 = new byte[]{0x31, 0x32, 0x33}; final String name2 = "user.a2"; final byte[] value2 = new byte[]{0x41, 0x42, 0x43}; final String name3 = "user.a3"; final byte[] value3 = null; final String name4 = "trusted.a1"; final byte[] value4 = new byte[]{0x31, 0x32, 0x33}; fs = FileSystem.get(getProxiedFSConf()); fs.setXAttr(path, name1, value1); fs.setXAttr(path, name2, value2); fs.setXAttr(path, name3, value3); fs.setXAttr(path, name4, value4); fs.close(); fs = getHttpFSFileSystem(); List<String> names = fs.listXAttrs(path); Assert.assertEquals(4, names.size()); Assert.assertTrue(names.contains(name1)); Assert.assertTrue(names.contains(name2)); Assert.assertTrue(names.contains(name3)); Assert.assertTrue(names.contains(name4)); } }
Example 3
Source File: FSOperations.java From hadoop with Apache License 2.0 | 2 votes |
/** * Executes the filesystem operation. * * @param fs filesystem instance to use. * * @return Map a map object (JSON friendly) with the xattr names. * * @throws IOException thrown if an IO error occured. */ @Override public Map execute(FileSystem fs) throws IOException { List<String> names = fs.listXAttrs(path); return xAttrNamesToJSON(names); }
Example 4
Source File: FSOperations.java From big-c with Apache License 2.0 | 2 votes |
/** * Executes the filesystem operation. * * @param fs filesystem instance to use. * * @return Map a map object (JSON friendly) with the xattr names. * * @throws IOException thrown if an IO error occured. */ @Override public Map execute(FileSystem fs) throws IOException { List<String> names = fs.listXAttrs(path); return xAttrNamesToJSON(names); }