Examples with FileOutputStream java.io.FileOutputStream used on opensource projects

Example 6 with FileOutputStream

use of java.io.FileOutputStream in project buck by facebook.

the class ExopackageSoLoader method copySoFileIfRequired.

private static File copySoFileIfRequired(String libname) {
    File libraryFile = new File(privateNativeLibsDir, libname + ".so");
    if (libraryFile.exists()) {
        return libraryFile;
    }
    if (!abi1Libraries.containsKey(libname) && !abi2Libraries.containsKey(libname)) {
        return null;
    }
    String abiDir;
    String sourceFilename;
    if (abi1Libraries.containsKey(libname)) {
        sourceFilename = abi1Libraries.get(libname);
        abiDir = Build.CPU_ABI;
    } else {
        sourceFilename = abi2Libraries.get(libname);
        abiDir = Build.CPU_ABI2;
    }
    String sourcePath = nativeLibsDir + abiDir + "/" + sourceFilename;
    try {
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new BufferedInputStream(new FileInputStream(sourcePath));
            out = new BufferedOutputStream(new FileOutputStream(libraryFile));
            byte[] buffer = new byte[4 * 1024];
            int len;
            while ((len = in.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
        } finally {
            if (in != null) {
                in.close();
            }
            if (out != null) {
                out.close();
            }
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return libraryFile;
}

Example 7 with FileOutputStream

use of java.io.FileOutputStream in project druid by druid-io.

the class S3DataSegmentPullerTest method testGZUncompress.

@Test
public void testGZUncompress() throws ServiceException, IOException, SegmentLoadingException {
    final String bucket = "bucket";
    final String keyPrefix = "prefix/dir/0";
    final RestS3Service s3Client = EasyMock.createStrictMock(RestS3Service.class);
    final byte[] value = bucket.getBytes("utf8");
    final File tmpFile = temporaryFolder.newFile("gzTest.gz");
    try (OutputStream outputStream = new GZIPOutputStream(new FileOutputStream(tmpFile))) {
        outputStream.write(value);
    }
    final S3Object object0 = new S3Object();
    object0.setBucketName(bucket);
    object0.setKey(keyPrefix + "/renames-0.gz");
    object0.setLastModifiedDate(new Date(0));
    object0.setDataInputStream(new FileInputStream(tmpFile));
    final File tmpDir = temporaryFolder.newFolder("gzTestDir");
    EasyMock.expect(s3Client.getObjectDetails(EasyMock.eq(object0.getBucketName()), EasyMock.eq(object0.getKey()))).andReturn(null).once();
    EasyMock.expect(s3Client.getObjectDetails(EasyMock.eq(object0.getBucketName()), EasyMock.eq(object0.getKey()))).andReturn(object0).once();
    EasyMock.expect(s3Client.getObject(EasyMock.eq(object0.getBucketName()), EasyMock.eq(object0.getKey()))).andReturn(object0).once();
    S3DataSegmentPuller puller = new S3DataSegmentPuller(s3Client);
    EasyMock.replay(s3Client);
    FileUtils.FileCopyResult result = puller.getSegmentFiles(new S3DataSegmentPuller.S3Coords(bucket, object0.getKey()), tmpDir);
    EasyMock.verify(s3Client);
    Assert.assertEquals(value.length, result.size());
    File expected = new File(tmpDir, "renames-0");
    Assert.assertTrue(expected.exists());
    Assert.assertEquals(value.length, expected.length());
}

Example 8 with FileOutputStream

use of java.io.FileOutputStream in project lucida by claritylab.

the class FileUtils method writeSerialized.

/**
	 * Writes a serialized object to a file.
	 * 
	 * @param o object
	 * @param output output file
	 */
public static void writeSerialized(Object o, File output) throws IOException {
    FileOutputStream fos = new FileOutputStream(output);
    ObjectOutputStream oos = new ObjectOutputStream(fos);
    oos.writeObject(o);
    oos.close();
}

Example 9 with FileOutputStream

use of java.io.FileOutputStream in project cogtool by cogtool.

the class ZipUtil method unzip.

/**
   * Unzips a zipfile to a destination directory.
   * @param zip the file to unzip
   * @param fileDir the destination directory for zipfile contents
   * @throws FileNotFoundException
   * @throws IOException
   */
public static void unzip(ZipFile zip, File fileDir) throws FileNotFoundException, IOException {
    // Read out all entries from ZipFile via input streams
    for (Enumeration<? extends ZipEntry> en = zip.entries(); en.hasMoreElements(); ) {
        ZipEntry ze = en.nextElement();
        // Get info from file entry
        long size = ze.getSize();
        // Create File in fileDir for unpacked entry
        String name = ze.getName();
        //      System.out.println("Unzipping: " + name);
        File zeFile = new File(fileDir, name);
        // Check for a trailing slash to see if this is a directory entry
        if (name.charAt(name.length() - 1) == '/') {
            // If this entry is a directory, make it
            zeFile.mkdirs();
        } else {
            // if this entry is a file, make its parent directories, then it
            zeFile.getParentFile().mkdirs();
            zeFile.createNewFile();
            // Create plus OutputStream to the new file
            FileOutputStream fout = null;
            OutputStream out = null;
            // Get ZipInputStream for reading data
            InputStream zin = null;
            try {
                fout = new FileOutputStream(zeFile);
                out = new BufferedOutputStream(fout);
                zin = zip.getInputStream(ze);
                // Set modification time
                zeFile.setLastModified(ze.getTime());
                // Copy data from zin to out, 100k at a time
                int chunkSize = 100 * 1024;
                byte[] buff = new byte[chunkSize];
                int len = chunkSize;
                for (; size > 0; size -= len) {
                    if (size < chunkSize) {
                        len = (int) size;
                    } else {
                        len = chunkSize;
                    }
                    int actualBytes = 0;
                    int off = 0;
                    do {
                        actualBytes = zin.read(buff, off, len);
                        if (actualBytes == -1) {
                            out.write(buff, off, len);
                            //                System.out.print("!" + len + ':' + actualBytes + ':' + off + ' ');
                            throw new RuntimeException("Bad math in unzip!");
                        } else {
                            out.write(buff, off, actualBytes);
                        //                System.out.print("" + len + ':' + actualBytes + ':' + off + ' ');
                        }
                        len -= actualBytes;
                        size -= actualBytes;
                        off += actualBytes;
                    } while ((len > 0));
                }
            } finally {
                // Close the streams
                if (fout != null) {
                    if (out != null) {
                        if (zin != null) {
                            zin.close();
                        }
                        out.close();
                    }
                    fout.close();
                }
            }
        }
    }
}

Example 10 with FileOutputStream

use of java.io.FileOutputStream in project cogtool by cogtool.

the class ZipUtil method zip.

/**
   * Zips a set of files into a single zip archive file.
   * @param srcFiles a list containing Files to compress
   * @param zip the destination file location for the archive
   */
public static void zip(List<File> srcFiles, File dst) throws IOException {
    // Create a ZipOutputStream
    FileOutputStream fos = null;
    ZipOutputStream zip = null;
    try {
        fos = new FileOutputStream(dst);
        zip = new ZipOutputStream(fos);
        zip.setLevel(9);
        zip.setMethod(ZipOutputStream.DEFLATED);
        // Recursively add file entries
        for (File src : srcFiles) {
            if (src.isDirectory()) {
                zipDirectory(src, "", zip);
            } else {
                zipOneFile(src, "", zip);
            }
        }
    } finally {
        // Close the output stream
        if (fos != null) {
            if (zip != null) {
                zip.close();
            }
            fos.close();
        }
    }
}