Example usage for org.apache.commons.lang3 StringUtils repeat

List of usage examples for org.apache.commons.lang3 StringUtils repeat

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils repeat.

Prototype

public static String repeat(final char ch, final int repeat)

Source Link

Document

<p>Returns padding using the specified delimiter repeated to a given length.</p> <pre> StringUtils.repeat('e', 0) = "" StringUtils.repeat('e', 3) = "eee" StringUtils.repeat('e', -2) = "" </pre> <p>Note: this method doesn't not support padding with <a href="http://www.unicode.org/glossary/#supplementary_character">Unicode Supplementary Characters</a> as they require a pair of char s to be represented.

Usage

From source file:org.apache.metron.solr.integration.SolrUpdateIntegrationTest.java

@Test
public void testHugeErrorFields() throws Exception {
    String hugeString = StringUtils.repeat("test ", 1_000_000);
    String hugeStringTwo = hugeString + "-2";

    Map<String, Object> documentMap = new HashMap<>();
    documentMap.put("guid", "error_guid");
    // Needs to be over 32kb
    documentMap.put("raw_message", hugeString);
    documentMap.put("raw_message_1", hugeStringTwo);
    Document errorDoc = new Document(documentMap, "error", "error", 0L);
    getDao().update(errorDoc, Optional.of("error"));

    // Ensure that the huge string is returned when not a string field
    Document latest = getDao().getLatest("error_guid", "error");
    @SuppressWarnings("unchecked")
    String actual = (String) latest.getDocument().get("raw_message");
    assertEquals(actual, hugeString);//w  w  w  .  j  a  va  2s  .com
    String actualTwo = (String) latest.getDocument().get("raw_message_1");
    assertEquals(actualTwo, hugeStringTwo);

    // Validate that error occurs for string fields.
    documentMap.put("error_hash", hugeString);
    errorDoc = new Document(documentMap, "error", "error", 0L);

    exception.expect(IOException.class);
    exception.expectMessage("Document contains at least one immense term in field=\"error_hash\"");
    getDao().update(errorDoc, Optional.of("error"));
}

From source file:org.apache.metron.stellar.common.utils.hashing.DefaultHasher.java

/**
 * {@inheritDoc}/* w  w w .j a v a2 s . c  o  m*/
 *
 * Returns a hash which has been encoded using the supplied encoder. If input is null then a string
 * containing all '0' will be returned. The length of the string is determined by the hashing algorithm
 * used.
 * @param toHash The value to hash.
 * @return A hash of {@code toHash} that has been encoded.
 * @throws EncoderException If unable to encode the hash then this exception occurs.
 * @throws NoSuchAlgorithmException If the supplied algorithm is not known.
 */
@Override
public String getHash(final Object toHash) throws EncoderException, NoSuchAlgorithmException {
    final MessageDigest messageDigest = MessageDigest.getInstance(algorithm);

    if (toHash == null) {
        return StringUtils.repeat("00", messageDigest.getDigestLength());
    } else if (toHash instanceof String) {
        return getHash(messageDigest, toHash.toString().getBytes(charset));
    } else if (toHash instanceof Serializable) {
        final byte[] serialized = SerializationUtils.serialize((Serializable) toHash);
        return getHash(messageDigest, serialized);
    }

    return null;
}

From source file:org.apache.metron.stellar.common.utils.hashing.DefaultHasherTest.java

@Test
public void getHashAsHexOfNullValueReturnsPadded00() throws Exception {
    assertEquals(StringUtils.repeat("00", 16), new DefaultHasher("md5", encoder).getHash(null));
    assertEquals(StringUtils.repeat("00", 32), new DefaultHasher("sha-256", encoder).getHash(null));
}

From source file:org.apache.metron.stellar.dsl.functions.HashFunctionsTest.java

@Test
public void nullInputForValueToHashShouldReturnHashedEncodedValueOf0x00() throws Exception {
    assertEquals(StringUtils.repeat('0', 32), hash.apply(Arrays.asList(null, "md5")));
}

From source file:org.apache.metron.stellar.dsl.functions.HashFunctionsTest.java

@Test
public void nullInputForValueToHashShouldReturnHashedEncodedValueOf0x00InDirectStellarCall() throws Exception {
    final String algorithm = "'md5'";
    final Map<String, Object> variables = new HashMap<>();
    variables.put("toHash", null);

    assertEquals(StringUtils.repeat('0', 32), run("HASH(toHash, " + algorithm + ")", variables));
}

From source file:org.apache.nifi.processors.standard.LogAttribute.java

protected String processFlowFile(final ComponentLog logger, final DebugLevels logLevel, final FlowFile flowFile,
        final ProcessSession session, final ProcessContext context) {
    final Set<String> attributeKeys = getAttributesToLog(flowFile.getAttributes().keySet(), context);
    final ComponentLog LOG = getLogger();
    final String dashedLine;

    String logPrefix = context.getProperty(LOG_PREFIX).evaluateAttributeExpressions(flowFile).getValue();

    if (StringUtil.isBlank(logPrefix)) {
        dashedLine = StringUtils.repeat('-', 50);
    } else {/*from  ww w  .  j  a v a2  s.c o m*/
        // abbreviate long lines
        logPrefix = StringUtils.abbreviate(logPrefix, 40);
        // center the logPrefix and pad with dashes
        logPrefix = StringUtils.center(logPrefix, 40, '-');
        // five dashes on the left and right side, plus the dashed logPrefix
        dashedLine = StringUtils.repeat('-', 5) + logPrefix + StringUtils.repeat('-', 5);
    }

    // Pretty print metadata
    final StringBuilder message = new StringBuilder();
    message.append("logging for flow file ").append(flowFile);
    message.append("\n");
    message.append(dashedLine);
    message.append("\nStandard FlowFile Attributes");
    message.append(
            String.format("\nKey: '%1$s'\n\tValue: '%2$s'", "entryDate", new Date(flowFile.getEntryDate())));
    message.append(String.format("\nKey: '%1$s'\n\tValue: '%2$s'", "lineageStartDate",
            new Date(flowFile.getLineageStartDate())));
    message.append(String.format("\nKey: '%1$s'\n\tValue: '%2$s'", "fileSize", flowFile.getSize()));
    message.append("\nFlowFile Attribute Map Content");
    for (final String key : attributeKeys) {
        message.append(String.format("\nKey: '%1$s'\n\tValue: '%2$s'", key, flowFile.getAttribute(key)));
    }
    message.append("\n");
    message.append(dashedLine);

    // The user can request to log the payload
    final boolean logPayload = context.getProperty(LOG_PAYLOAD).asBoolean();
    if (logPayload) {
        message.append("\n");
        if (flowFile.getSize() < ONE_MB) {
            final FlowFilePayloadCallback callback = new FlowFilePayloadCallback();
            session.read(flowFile, callback);
            message.append(callback.getContents());
        } else {
            message.append("\n Not including payload since it is larger than one mb.");
        }
    }
    final String outputMessage = message.toString().trim();
    // Uses optional property to specify logging level
    switch (logLevel) {
    case info:
        LOG.info(outputMessage);
        break;
    case debug:
        LOG.debug(outputMessage);
        break;
    case warn:
        LOG.warn(outputMessage);
        break;
    case trace:
        LOG.trace(outputMessage);
        break;
    case error:
        LOG.error(outputMessage);
        break;
    default:
        LOG.debug(outputMessage);
    }

    return outputMessage;

}

From source file:org.apache.nifi.processors.standard.TestPostHTTP.java

@Test
public void testSendWithCompressionServerAcceptGzip() throws Exception {
    setup(null);/*from  w ww.j a v  a  2s  .  com*/

    final String suppliedMimeType = "text/plain";
    runner.setProperty(PostHTTP.URL, server.getUrl());
    runner.setProperty(PostHTTP.CONTENT_TYPE, suppliedMimeType);
    runner.setProperty(PostHTTP.COMPRESSION_LEVEL, "9");

    final Map<String, String> attrs = new HashMap<>();
    attrs.put(CoreAttributes.MIME_TYPE.key(), "text/plain");

    runner.enqueue(StringUtils.repeat("Lines of sample text.", 100).getBytes(), attrs);

    runner.run(1);
    runner.assertAllFlowFilesTransferred(PostHTTP.REL_SUCCESS);

    Map<String, String> lastPostHeaders = servlet.getLastPostHeaders();
    Assert.assertEquals(suppliedMimeType, lastPostHeaders.get(PostHTTP.CONTENT_TYPE_HEADER));
    // Ensure that a 'Content-Encoding' header was set with a 'gzip' value
    Assert.assertEquals(PostHTTP.CONTENT_ENCODING_GZIP_VALUE,
            lastPostHeaders.get(PostHTTP.CONTENT_ENCODING_HEADER));
    Assert.assertNull(lastPostHeaders.get("Content-Length"));
}

From source file:org.apache.nifi.processors.standard.TestPostHTTP.java

@Test
public void testSendWithoutCompressionServerAcceptGzip() throws Exception {
    setup(null);//from www  .  j av  a 2 s . c o m

    final String suppliedMimeType = "text/plain";
    runner.setProperty(PostHTTP.URL, server.getUrl());
    runner.setProperty(PostHTTP.CONTENT_TYPE, suppliedMimeType);
    runner.setProperty(PostHTTP.COMPRESSION_LEVEL, "0");
    runner.setProperty(PostHTTP.CHUNKED_ENCODING, "false");

    final Map<String, String> attrs = new HashMap<>();
    attrs.put(CoreAttributes.MIME_TYPE.key(), "text/plain");

    runner.enqueue(StringUtils.repeat("Lines of sample text.", 100).getBytes(), attrs);

    runner.run(1);
    runner.assertAllFlowFilesTransferred(PostHTTP.REL_SUCCESS);

    Map<String, String> lastPostHeaders = servlet.getLastPostHeaders();
    Assert.assertEquals(suppliedMimeType, lastPostHeaders.get(PostHTTP.CONTENT_TYPE_HEADER));
    // Ensure that the request was not sent with a 'Content-Encoding' header
    Assert.assertNull(lastPostHeaders.get(PostHTTP.CONTENT_ENCODING_HEADER));
    Assert.assertEquals("2100", lastPostHeaders.get("Content-Length"));
}

From source file:org.apache.nifi.processors.standard.TestPostHTTP.java

@Test
public void testSendWithCompressionServerNotAcceptGzip() throws Exception {
    setup(null);//from   ww  w.  j a  v  a 2s .c  o m

    final String suppliedMimeType = "text/plain";
    // Specify a property to the URL to have the CaptureServlet specify it doesn't accept gzip
    runner.setProperty(PostHTTP.URL, server.getUrl() + "?acceptGzip=false");
    runner.setProperty(PostHTTP.CONTENT_TYPE, suppliedMimeType);
    runner.setProperty(PostHTTP.COMPRESSION_LEVEL, "9");

    final Map<String, String> attrs = new HashMap<>();
    attrs.put(CoreAttributes.MIME_TYPE.key(), "text/plain");

    runner.enqueue(StringUtils.repeat("Lines of sample text.", 100).getBytes(), attrs);

    runner.run(1);
    runner.assertAllFlowFilesTransferred(PostHTTP.REL_SUCCESS);

    Map<String, String> lastPostHeaders = servlet.getLastPostHeaders();
    Assert.assertEquals(suppliedMimeType, lastPostHeaders.get(PostHTTP.CONTENT_TYPE_HEADER));
    // Ensure that the request was not sent with a 'Content-Encoding' header
    Assert.assertNull(lastPostHeaders.get(PostHTTP.CONTENT_ENCODING_HEADER));
}

From source file:org.apache.nifi.processors.standard.TestPostHTTP.java

@Test
public void testSendChunked() throws Exception {
    setup(null);//from www  . j  a  v  a  2  s  .  c o  m

    final String suppliedMimeType = "text/plain";
    runner.setProperty(PostHTTP.URL, server.getUrl());
    runner.setProperty(PostHTTP.CONTENT_TYPE, suppliedMimeType);
    runner.setProperty(PostHTTP.CHUNKED_ENCODING, "true");

    final Map<String, String> attrs = new HashMap<>();
    attrs.put(CoreAttributes.MIME_TYPE.key(), "text/plain");

    runner.enqueue(StringUtils.repeat("Lines of sample text.", 100).getBytes(), attrs);

    runner.run(1);
    runner.assertAllFlowFilesTransferred(PostHTTP.REL_SUCCESS);

    byte[] postValue = servlet.getLastPost();
    Assert.assertArrayEquals(StringUtils.repeat("Lines of sample text.", 100).getBytes(), postValue);

    Map<String, String> lastPostHeaders = servlet.getLastPostHeaders();
    Assert.assertEquals(suppliedMimeType, lastPostHeaders.get(PostHTTP.CONTENT_TYPE_HEADER));
    Assert.assertNull(lastPostHeaders.get("Content-Length"));
    Assert.assertEquals("chunked", lastPostHeaders.get("Transfer-Encoding"));
}