Example usage for com.google.common.io ByteSource openStream

Introduction

In this page you can find the example usage for com.google.common.io ByteSource openStream.

Prototype

public abstract InputStream openStream() throws IOException;

Source Link

Document

Opens a new InputStream for reading from this source.

Usage

From source file:com.bouncestorage.chaoshttpproxy.Main.java

public static void main(String[] args) throws Exception {
    Options options = new Options();
    CmdLineParser parser = new CmdLineParser(options);
    try {/*from  www  .j a va2  s .co m*/
        parser.parseArgument(args);
    } catch (CmdLineException cle) {
        usage(parser);
    }

    if (options.version) {
        System.err.println(Main.class.getPackage().getImplementationVersion());
        System.exit(0);
    }

    ByteSource byteSource;
    if (options.propertiesFile == null) {
        byteSource = Resources.asByteSource(Resources.getResource("chaos-http-proxy.conf"));
    } else {
        byteSource = Files.asByteSource(options.propertiesFile);
    }

    ChaosConfig config;
    try (InputStream is = byteSource.openStream()) {
        config = ChaosConfig.loadFromPropertyStream(is);
    } catch (IOException ioe) {
        System.err.println(ioe.getMessage());
        System.exit(1);
        return;
    }

    URI proxyEndpoint = new URI("http", null, options.address, options.port, null, null, null);
    ChaosHttpProxy proxy = new ChaosHttpProxy(proxyEndpoint, config);
    try {
        proxy.start();
    } catch (Exception e) {
        System.err.println(e.getMessage());
        System.exit(1);
    }
}

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From source file:google.registry.tmch.TmchData.java

@SuppressWarnings("deprecation")
static PGPPublicKey loadPublicKey(ByteSource pgpPublicKeyFile) {
    try (InputStream input = pgpPublicKeyFile.openStream();
            InputStream decoder = PGPUtil.getDecoderStream(input)) {
        return new BcPGPPublicKeyRing(decoder).getPublicKey();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }//from w ww .  jav a 2 s  .c o  m
}

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From source file:eu.lp0.cursus.test.xml.ValidateResultsXML.java

private static void validate(Collection<ByteSource> pages) throws Exception {
    for (ByteSource page : pages) {
        Validator validator = Namespace.RESULTS_V1.newValidator();
        validator.validate(new StreamSource(page.openStream()));
    }/*from   w  w  w  .j a va2 s  .co  m*/
}

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From source file:be.fror.password.vault.core.VaultFormat.java

public static Vault read(ByteSource source) throws IOException, UnsupportedFormatException {
    VaultFormat[] formats = { Vault1Format.INSTANCE };
    try (PushbackInputStream in = new PushbackInputStream(source.openStream())) {
        for (VaultFormat format : formats) {
            if (format.accept(in)) {
                return format.read(in);
            }//from   ww w  .j a  v  a 2  s  .c  o  m
        }
    }
    throw new UnsupportedFormatException(source.toString());
}

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From source file:org.jclouds.digitalocean2.ssh.DSAKeys.java

/**
 * Returns {@link java.security.spec.DSAPublicKeySpec} which was OpenSSH Base64 Encoded {@code id_rsa.pub}
 *
 * @param supplier the input stream factory, formatted {@code ssh-dss AAAAB3NzaC1yc2EAAAADAQABAAAB...}
 *
 * @return the {@link java.security.spec.DSAPublicKeySpec} which was OpenSSH Base64 Encoded {@code id_rsa.pub}
 * @throws java.io.IOException if an I/O error occurs
 *///from   w ww  .j av a  2 s  .com
public static DSAPublicKeySpec publicKeySpecFromOpenSSH(ByteSource supplier) throws IOException {
    InputStream stream = supplier.openStream();
    Iterable<String> parts = Splitter.on(' ').split(toStringAndClose(stream).trim());
    checkArgument(size(parts) >= 2 && "ssh-dss".equals(get(parts, 0)),
            "bad format, should be: ssh-dss AAAAB3...");
    stream = new ByteArrayInputStream(base64().decode(get(parts, 1)));
    String marker = new String(readLengthFirst(stream));
    checkArgument("ssh-dss".equals(marker), "looking for marker ssh-dss but got %s", marker);
    BigInteger p = new BigInteger(readLengthFirst(stream));
    BigInteger q = new BigInteger(readLengthFirst(stream));
    BigInteger g = new BigInteger(readLengthFirst(stream));
    BigInteger y = new BigInteger(readLengthFirst(stream));
    return new DSAPublicKeySpec(y, p, q, g);
}

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From source file:com.google.caliper.util.Util.java

public static ImmutableMap<String, String> loadProperties(ByteSource is) throws IOException {
    Properties props = new Properties();
    Closer closer = Closer.create();/*from  ww w .  j  ava2  s.  c  o m*/
    InputStream in = closer.register(is.openStream());
    try {
        props.load(in);
    } finally {
        closer.close();
    }
    return Maps.fromProperties(props);
}

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From source file:com.facebook.buck.artifact_cache.ThriftArtifactCacheProtocol.java

private static String computeHash(ByteSource source, HashFunction hashFunction) throws IOException {
    try (InputStream inputStream = source.openStream();
            HashingOutputStream outputStream = new HashingOutputStream(hashFunction, new OutputStream() {
                @Override//from  w w  w  .ja v  a2s. co  m
                public void write(int b) throws IOException {
                    // Do nothing.
                }
            })) {
        ByteStreams.copy(inputStream, outputStream);
        return outputStream.hash().toString();
    }
}

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From source file:org.apache.druid.java.util.common.StreamUtils.java

/**
 * Retry copy attempts from input stream to output stream. Does *not* check to make sure data was intact during the transfer
 *
 * @param byteSource  Supplier for input streams to copy from. The stream is closed on every retry.
 * @param byteSink    Supplier for output streams. The stream is closed on every retry.
 * @param shouldRetry Predicate to determine if the throwable is recoverable for a retry
 * @param maxAttempts Maximum number of retries before failing
 *//*from ww w.  j a  va2 s. c o m*/
public static long retryCopy(final ByteSource byteSource, final ByteSink byteSink,
        final Predicate<Throwable> shouldRetry, final int maxAttempts) {
    try {
        return RetryUtils.retry(() -> {
            try (InputStream inputStream = byteSource.openStream()) {
                try (OutputStream outputStream = byteSink.openStream()) {
                    final long retval = ByteStreams.copy(inputStream, outputStream);
                    // Workarround for http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/759aa847dcaf
                    outputStream.flush();
                    return retval;
                }
            }
        }, shouldRetry, maxAttempts);
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}

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From source file:org.apache.isis.core.commons.lang.ClassExtensions.java

public static Properties resourceProperties(final Class<?> extendee, final String suffix) {
    try {/* w  w  w . j a v  a  2 s .co  m*/
        final URL url = Resources.getResource(extendee, extendee.getSimpleName() + suffix);
        final ByteSource byteSource = Resources.asByteSource(url);
        final Properties properties = new Properties();
        properties.load(byteSource.openStream());
        return properties;
    } catch (Exception e) {
        return null;
    }
}

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From source file:org.opendaylight.controller.cluster.messaging.MessageAssembler.java

private static Object reAssembleMessage(final AssembledMessageState state) throws MessageSliceException {
    try {/*w w  w  .java  2s  . com*/
        final ByteSource assembledBytes = state.getAssembledBytes();
        try (ObjectInputStream in = new ObjectInputStream(assembledBytes.openStream())) {
            return in.readObject();
        }

    } catch (IOException | ClassNotFoundException e) {
        throw new MessageSliceException(
                String.format("Error re-assembling bytes for identifier %s", state.getIdentifier()), e);
    }
}

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