Example usage for com.google.common.io ByteStreams copy

Introduction

In this page you can find the example usage for com.google.common.io ByteStreams copy.

Prototype

public static long copy(ReadableByteChannel from, WritableByteChannel to) throws IOException

Source Link

Document

Copies all bytes from the readable channel to the writable channel.

Usage

From source file:com.cisco.oss.foundation.directory.utils.HttpUtils.java

/**
 * Invoke REST Service using POST method.
 *
 * @param urlStr//from   w w  w  . j a  v a 2  s . c o  m
 *         the REST service URL String
 * @param body
 *         the Http Body String.
 * @return
 *         the HttpResponse.
 * @throws IOException
 */
public static HttpResponse postJson(String urlStr, String body) throws IOException {

    URL url = new URL(urlStr);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.addRequestProperty("Accept", "application/json");

    urlConnection.setRequestMethod("POST");

    urlConnection.addRequestProperty("Content-Type", "application/json");
    urlConnection.addRequestProperty("Content-Length", Integer.toString(body.length()));
    urlConnection.setDoOutput(true);
    urlConnection.setDoInput(true);
    urlConnection.setUseCaches(false);

    OutputStream out = urlConnection.getOutputStream();
    out.write(body.getBytes());
    ByteStreams.copy(new ByteArrayInputStream(body.getBytes()), out);
    BufferedReader in = null;
    try {
        int errorCode = urlConnection.getResponseCode();
        if ((errorCode <= 202) && (errorCode >= 200)) {
            in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
        } else {
            InputStream error = urlConnection.getErrorStream();
            if (error != null) {
                in = new BufferedReader(new InputStreamReader(error));
            }
        }

        String json = null;
        if (in != null) {
            json = CharStreams.toString(in);
        }
        return new HttpResponse(errorCode, json);
    } finally {
        if (in != null) {
            in.close();
        }
    }
}

From source file:org.prebake.service.tools.CpProcess.java

public byte run(Path workingDir, String... argv) throws IOException {
    for (int i = 0, n = argv.length; i < n; i += 2) {
        Path src = workingDir.resolve(argv[i]);
        Path tgt = workingDir.resolve(argv[i + 1]);
        InputStream in = src.newInputStream();
        try {//from ww  w.  java2 s. c om
            // Fail if the target already exists.
            OutputStream out = tgt.newOutputStream(StandardOpenOption.CREATE_NEW);
            try {
                ByteStreams.copy(in, out);
            } finally {
                out.close();
            }
        } finally {
            in.close();
        }
    }
    return 0;
}

From source file:com.example.appengine.xmpp.ErrorServlet.java

@Override
public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException {
    // Parse the POST data, which is sent as a MIME stream containing the stanza.
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ServletInputStream inputStream = req.getInputStream();
    ByteStreams.copy(inputStream, baos);

    // Log the error
    log.warning("Error stanza received: " + baos.toString());
}

From source file:ninja.uploads.MemoryFileItemProvider.java

@Override
public FileItem create(FileItemStream item) {

    // build output stream to get bytes
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

    // do copy//from  w ww  .  j  av a2 s. c om
    try {
        ByteStreams.copy(item.openStream(), outputStream);
    } catch (IOException e) {
        throw new RuntimeException("Failed to create temporary uploaded file in memory", e);
    }

    // return
    final String name = item.getName();
    final byte[] bytes = outputStream.toByteArray();
    final String contentType = item.getContentType();
    final FileItemHeaders headers = item.getHeaders();

    return new FileItem() {
        @Override
        public String getFileName() {
            return name;
        }

        @Override
        public InputStream getInputStream() {
            return new ByteArrayInputStream(bytes);
        }

        @Override
        public File getFile() {
            throw new UnsupportedOperationException("Not supported in MemoryFileProvider");
        }

        @Override
        public String getContentType() {
            return contentType;
        }

        @Override
        public FileItemHeaders getHeaders() {
            return headers;
        }

        @Override
        public void cleanup() {
        }
    };

}

From source file:com.urswolfer.gerrit.client.rest.http.LoginSimulationServlet.java

/**
 * Only handle case when no "Authorization" header is sent. When "Authorization" header is sent,
 * leave it to GerritRestClientTest#basicAuth.
 *//*from   w w w  . j  av a 2 s  . c o m*/
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (req.getHeader("Authorization") != null) {
        return;
    }
    resp.addCookie(new Cookie("GerritAccount", "value"));
    ByteStreams.copy(
            new FileInputStream("src/test/resources/com/urswolfer/gerrit/client/rest/http/login/index.html"),
            resp.getOutputStream());
}

From source file:com.google.devtools.build.lib.remote.blobstore.OnDiskBlobStore.java

@Override
public boolean get(String key, OutputStream out) throws IOException {
    Path f = toPath(key);/* ww  w. ja v a 2 s.c o m*/
    if (!f.exists()) {
        return false;
    }
    try (InputStream in = f.getInputStream()) {
        ByteStreams.copy(in, out);
    }
    return true;
}

From source file:com.sonatype.nexus.repository.nuget.internal.odata.NugetPackageUtils.java

/**
 * Determine the metadata for a nuget package.
 * - nuspec data (comes from .nuspec)//from w  ww  . j  a  v a  2  s.  c  o m
 * - size (package size)
 * - hash(es) (package hash sha-512)
 */
public static Map<String, String> packageMetadata(final InputStream inputStream)
        throws IOException, NugetPackageException {
    try (MultiHashingInputStream hashingStream = new MultiHashingInputStream(
            Arrays.asList(HashAlgorithm.SHA512), inputStream)) {
        final byte[] nuspec = extractNuspec(hashingStream);
        Map<String, String> metadata = NuspecSplicer.extractNuspecData(new ByteArrayInputStream(nuspec));

        ByteStreams.copy(hashingStream, ByteStreams.nullOutputStream());

        metadata.put(PACKAGE_SIZE, String.valueOf(hashingStream.count()));
        HashCode code = hashingStream.hashes().get(HashAlgorithm.SHA512);
        metadata.put(PACKAGE_HASH, new String(Base64.encodeBase64(code.asBytes()), Charsets.UTF_8));
        metadata.put(PACKAGE_HASH_ALGORITHM, "SHA512");

        return metadata;
    } catch (XmlPullParserException e) {
        throw new NugetPackageException("Unable to read .nuspec from package stream", e);
    }
}

From source file:com.google.devtools.build.android.dexer.DexFileArchive.java

/**
 * Copies the content of the given {@link InputStream} into an entry with the given details.
 *///from   w  w  w.j  av  a2  s.c om
public DexFileArchive copy(ZipEntry entry, InputStream in) throws IOException {
    out.putNextEntry(entry);
    ByteStreams.copy(in, out);
    out.closeEntry();
    return this;
}

From source file:org.terasology.audio.formats.OggSoundFormat.java

@Override
public StaticSoundData load(ResourceUrn urn, List<AssetDataFile> inputs) throws IOException {
    try (OggReader reader = new OggReader(inputs.get(0).openStream())) {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ByteStreams.copy(reader, bos);

        ByteBuffer data = BufferUtils.createByteBuffer(bos.size()).put(bos.toByteArray());
        data.flip();//from w w w. ja v a  2 s .  co m

        return new StaticSoundData(data, reader.getChannels(), reader.getRate(), 16);
    } catch (IOException e) {
        throw new IOException("Failed to load sound: " + e.getMessage(), e);
    }
}

From source file:org.cirdles.squid.utilities.FileUtilities.java

public static void unpackZipFile(final File archive, final File targetDirectory)
        throws ZipException, IOException {
    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        final ZipEntry zipEntry = entries.nextElement();
        if (zipEntry.isDirectory()) {
            continue;
        }//from   w  w  w .  j a v a2 s. co m
        final File targetFile = new File(targetDirectory, zipEntry.getName());
        com.google.common.io.Files.createParentDirs(targetFile);
        ByteStreams.copy(zipFile.getInputStream(zipEntry),
                com.google.common.io.Files.asByteSink(targetFile, FileWriteMode.APPEND).openStream());
    }
}