Example usage for org.apache.commons.lang RandomStringUtils randomAlphabetic

List of usage examples for org.apache.commons.lang RandomStringUtils randomAlphabetic

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Introduction

In this page you can find the example usage for org.apache.commons.lang RandomStringUtils randomAlphabetic.

Prototype

public static String randomAlphabetic(int count)

Source Link

Document

Creates a random string whose length is the number of characters specified.

Characters will be chosen from the set of alphabetic characters.

Usage

From source file:org.apache.falcon.resource.TestContext.java

public static void prepare(String clusterTemplate, boolean disableLineage) throws Exception {
    // setup a logged in user
    CurrentUser.authenticate(REMOTE_USER);

    if (disableLineage) {
        // disable recording lineage metadata
        String services = StartupProperties.get().getProperty("application.services");
        StartupProperties.get().setProperty("application.services",
                services.replace("org.apache.falcon.metadata.MetadataMappingService", ""));
    }//  www .  j a v  a 2  s .c  om

    Map<String, String> overlay = new HashMap<String, String>();
    overlay.put("cluster", RandomStringUtils.randomAlphabetic(5));
    overlay.put("colo", DeploymentUtil.getCurrentColo());
    TestContext.overlayParametersOverTemplate(clusterTemplate, overlay);
    EmbeddedCluster cluster = EmbeddedCluster.newCluster(overlay.get("cluster"), true);

    cleanupStore();

    // setup dependent workflow and lipath in hdfs
    FileSystem fs = FileSystem.get(cluster.getConf());
    mkdir(fs, new Path("/falcon"), new FsPermission((short) 511));

    Path wfParent = new Path("/falcon/test");
    fs.delete(wfParent, true);
    Path wfPath = new Path(wfParent, "workflow");
    mkdir(fs, wfPath);
    mkdir(fs, new Path("/falcon/test/workflow/lib"));
    fs.copyFromLocalFile(false, true, new Path(TestContext.class.getResource("/fs-workflow.xml").getPath()),
            new Path(wfPath, "workflow.xml"));
    mkdir(fs, new Path(wfParent, "input/2012/04/20/00"));
    Path outPath = new Path(wfParent, "output");
    mkdir(fs, outPath, new FsPermission((short) 511));

    // init cluster locations
    initClusterLocations(cluster, fs);
}

From source file:org.apache.flume.channel.kafka.TestKafkaChannel.java

@Before
public void setup() throws Exception {
    boolean topicFound = false;
    while (!topicFound) {
        topic = RandomStringUtils.randomAlphabetic(8);
        if (!usedTopics.contains(topic)) {
            usedTopics.add(topic);//from   w ww .  j ava 2  s  . com
            topicFound = true;
        }
    }
    try {
        createTopic(topic);
    } catch (Exception e) {
    }
    Thread.sleep(2500);
    latch = new CountDownLatch(5);
}

From source file:org.apache.flume.channel.kafka.TestKafkaChannel.java

@Test
public void testNoParsingAsFlumeAgent() throws Exception {
    final KafkaChannel channel = startChannel(false);
    Producer<String, byte[]> producer = new Producer<String, byte[]>(
            new ProducerConfig(channel.getKafkaConf()));
    List<KeyedMessage<String, byte[]>> original = Lists.newArrayList();
    for (int i = 0; i < 50; i++) {
        KeyedMessage<String, byte[]> data = new KeyedMessage<String, byte[]>(topic, null,
                RandomStringUtils.randomAlphabetic(6), String.valueOf(i).getBytes());
        original.add(data);/*www. j ava 2 s  . co m*/
    }
    producer.send(original);
    ExecutorCompletionService<Void> submitterSvc = new ExecutorCompletionService<Void>(
            Executors.newCachedThreadPool());
    List<Event> events = pullEvents(channel, submitterSvc, 50, false, false);
    wait(submitterSvc, 5);
    Set<Integer> finals = Sets.newHashSet();
    for (int i = 0; i < 50; i++) {
        finals.add(Integer.parseInt(new String(events.get(i).getBody())));
    }
    for (int i = 0; i < 50; i++) {
        Assert.assertTrue(finals.contains(i));
        finals.remove(i);
    }
    Assert.assertTrue(finals.isEmpty());
    channel.stop();
}

From source file:org.apache.flume.sink.kafka.TestKafkaSink.java

public String findUnusedTopic() {
    String newTopic = null;//  ww  w  .j av a  2  s .c om
    boolean topicFound = false;
    while (!topicFound) {
        newTopic = RandomStringUtils.randomAlphabetic(8);
        if (!usedTopics.contains(newTopic)) {
            usedTopics.add(newTopic);
            topicFound = true;
        }
    }
    return newTopic;
}

From source file:org.apache.gobblin.data.management.copy.writer.FileAwareInputStreamDataWriterTest.java

@Test
public void testWriteWithGPGSymmetricEncryption() throws Exception {
    byte[] streamString = "testEncryptedContents".getBytes("UTF-8");

    FileStatus status = fs.getFileStatus(testTempPath);
    OwnerAndPermission ownerAndPermission = new OwnerAndPermission(status.getOwner(), status.getGroup(),
            new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
    CopyableFile cf = CopyableFileUtils.getTestCopyableFile(ownerAndPermission);

    CopyableDatasetMetadata metadata = new CopyableDatasetMetadata(
            new TestCopyableDataset(new Path("/source")));

    WorkUnitState state = TestUtils.createTestWorkUnitState();
    state.setProp(ConfigurationKeys.WRITER_STAGING_DIR, new Path(testTempPath, "staging").toString());
    state.setProp(ConfigurationKeys.WRITER_OUTPUT_DIR, new Path(testTempPath, "output").toString());
    state.setProp(ConfigurationKeys.WRITER_FILE_PATH, RandomStringUtils.randomAlphabetic(5));
    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_ALGORITHM_KEY, "gpg");
    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_KEYSTORE_PASSWORD_KEY, "testPassword");

    CopySource.serializeCopyEntity(state, cf);
    CopySource.serializeCopyableDataset(state, metadata);

    FileAwareInputStreamDataWriter dataWriter = new FileAwareInputStreamDataWriter(state, 1, 0);

    FileAwareInputStream fileAwareInputStream = new FileAwareInputStream(cf,
            StreamUtils.convertStream(new ByteArrayInputStream(streamString)));
    dataWriter.write(fileAwareInputStream);
    dataWriter.commit();//from  w ww  .  j  a v a  2  s.c  o m

    Path writtenFilePath = new Path(new Path(state.getProp(ConfigurationKeys.WRITER_OUTPUT_DIR),
            cf.getDatasetAndPartition(metadata).identifier()), cf.getDestination());
    Assert.assertTrue(writtenFilePath.getName().endsWith("gpg"),
            "Expected encryption name to be appended to destination");
    byte[] encryptedContent = IOUtils.toByteArray(new FileInputStream(writtenFilePath.toString()));
    byte[] decryptedContent = new byte[streamString.length];
    IOUtils.readFully(
            GPGFileDecryptor.decryptFile(new FileInputStream(writtenFilePath.toString()), "testPassword"),
            decryptedContent);

    // encrypted string should not be the same as the plaintext
    Assert.assertNotEquals(encryptedContent, streamString);

    // decrypted string should be the same as the plaintext
    Assert.assertEquals(decryptedContent, streamString);

}

From source file:org.apache.gobblin.data.management.copy.writer.FileAwareInputStreamDataWriterTest.java

@Test
public void testWriteWithGPGAsymmetricEncryption() throws Exception {
    byte[] streamString = "testEncryptedContents".getBytes("UTF-8");

    FileStatus status = fs.getFileStatus(testTempPath);
    OwnerAndPermission ownerAndPermission = new OwnerAndPermission(status.getOwner(), status.getGroup(),
            new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
    CopyableFile cf = CopyableFileUtils.getTestCopyableFile(ownerAndPermission);

    CopyableDatasetMetadata metadata = new CopyableDatasetMetadata(
            new TestCopyableDataset(new Path("/source")));

    WorkUnitState state = TestUtils.createTestWorkUnitState();
    state.setProp(ConfigurationKeys.WRITER_STAGING_DIR, new Path(testTempPath, "staging").toString());
    state.setProp(ConfigurationKeys.WRITER_OUTPUT_DIR, new Path(testTempPath, "output").toString());
    state.setProp(ConfigurationKeys.WRITER_FILE_PATH, RandomStringUtils.randomAlphabetic(5));
    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_ALGORITHM_KEY, "gpg");

    File publicKeyFile = new File(testTempPath.toString(), "public.key");

    FileUtils.copyInputStreamToFile(GPGFileEncryptor.class.getResourceAsStream(GPGFileEncryptorTest.PUBLIC_KEY),
            publicKeyFile);/*  w ww  .jav a 2  s.  co  m*/

    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_KEYSTORE_PATH_KEY,
            publicKeyFile.getAbsolutePath());
    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_KEYSTORE_PASSWORD_KEY,
            GPGFileEncryptorTest.PASSPHRASE);
    state.setProp("writer.encrypt." + EncryptionConfigParser.ENCRYPTION_KEY_NAME, GPGFileEncryptorTest.KEY_ID);

    CopySource.serializeCopyEntity(state, cf);
    CopySource.serializeCopyableDataset(state, metadata);

    FileAwareInputStreamDataWriter dataWriter = new FileAwareInputStreamDataWriter(state, 1, 0);

    FileAwareInputStream fileAwareInputStream = new FileAwareInputStream(cf,
            StreamUtils.convertStream(new ByteArrayInputStream(streamString)));
    dataWriter.write(fileAwareInputStream);
    dataWriter.commit();

    Path writtenFilePath = new Path(new Path(state.getProp(ConfigurationKeys.WRITER_OUTPUT_DIR),
            cf.getDatasetAndPartition(metadata).identifier()), cf.getDestination());
    Assert.assertTrue(writtenFilePath.getName().endsWith("gpg"),
            "Expected encryption name to be appended to destination");
    byte[] encryptedContent = IOUtils.toByteArray(new FileInputStream(writtenFilePath.toString()));
    byte[] decryptedContent = new byte[streamString.length];
    IOUtils.readFully(GPGFileDecryptor.decryptFile(new FileInputStream(writtenFilePath.toString()),
            GPGFileEncryptor.class.getResourceAsStream(GPGFileEncryptorTest.PRIVATE_KEY),
            GPGFileEncryptorTest.PASSPHRASE), decryptedContent);

    // encrypted string should not be the same as the plaintext
    Assert.assertNotEquals(encryptedContent, streamString);

    // decrypted string should be the same as the plaintext
    Assert.assertEquals(decryptedContent, streamString);

}

From source file:org.apache.hadoop.fs.azure.TestNativeAzureFileSystemAppend.java

private static byte[] getTestData(int size) {
    byte[] testData = new byte[size];
    System.arraycopy(RandomStringUtils.randomAlphabetic(size).getBytes(), 0, testData, 0, size);
    return testData;
}

From source file:org.apache.hadoop.hbase.chaos.actions.AddColumnAction.java

@Override
public void perform() throws Exception {
    HTableDescriptor tableDescriptor = admin.getTableDescriptor(tableName);
    HColumnDescriptor columnDescriptor = null;

    while (columnDescriptor == null || tableDescriptor.getFamily(columnDescriptor.getName()) != null) {
        columnDescriptor = new HColumnDescriptor(RandomStringUtils.randomAlphabetic(5));
    }//from w w w  .  j a  va  2 s.co m

    LOG.debug("Performing action: Adding " + columnDescriptor + " to " + tableNameString);

    tableDescriptor.addFamily(columnDescriptor);
    admin.modifyTable(tableName, tableDescriptor);
}

From source file:org.apache.hadoop.hbase.regionserver.TestTimestampFilterSeekHint.java

@Before
public void prepareRegion() throws IOException {
    region = TEST_UTIL.createTestRegion("TestTimestampFilterSeekHint" + regionCount++,
            new HColumnDescriptor(FAMILY).setBlocksize(1024).setMaxVersions(MAX_VERSIONS));

    for (long i = 0; i < MAX_VERSIONS - 2; i++) {
        Put p = new Put(RK_BYTES, i);
        p.addColumn(FAMILY_BYTES, QUAL_BYTES, Bytes.toBytes(RandomStringUtils.randomAlphabetic(255)));
        region.put(p);//www . j a  v  a  2 s .c  o  m
    }
    region.flush(true);
}

From source file:org.apache.hadoop.hdfs.protocol.datatransfer.sasl.SaslDataTransferTestCase.java

@BeforeClass
public static void initKdc() throws Exception {
    baseDir = new File(System.getProperty("test.build.dir", "target/test-dir"),
            SaslDataTransferTestCase.class.getSimpleName());
    FileUtil.fullyDelete(baseDir);//from w ww .  j  a  v  a2  s. co  m
    assertTrue(baseDir.mkdirs());

    Properties kdcConf = MiniKdc.createConf();
    kdc = new MiniKdc(kdcConf, baseDir);
    kdc.start();

    String userName = RandomStringUtils.randomAlphabetic(8);
    File userKeytabFile = new File(baseDir, userName + ".keytab");
    userKeyTab = userKeytabFile.getAbsolutePath();
    kdc.createPrincipal(userKeytabFile, userName + "/localhost");
    userPrincipal = userName + "/localhost@" + kdc.getRealm();

    String superUserName = "hdfs";
    File hdfsKeytabFile = new File(baseDir, superUserName + ".keytab");
    hdfsKeytab = hdfsKeytabFile.getAbsolutePath();
    kdc.createPrincipal(hdfsKeytabFile, superUserName + "/localhost", "HTTP/localhost");
    hdfsPrincipal = superUserName + "/localhost@" + kdc.getRealm();
    spnegoPrincipal = "HTTP/localhost@" + kdc.getRealm();
}