Examples with ZipInputStream java.util.zip.ZipInputStream used on opensource projects

Example 61 with ZipInputStream

use of java.util.zip.ZipInputStream in project platform_frameworks_base by android.

the class BugreportReceiverTest method assertZipContent.

private void assertZipContent(Uri uri, String entryName, String expectedContent) throws IOException, IOException {
    Log.v(TAG, "assertZipEntry(uri=" + uri + ", entryName=" + entryName);
    try (ZipInputStream zis = new ZipInputStream(mContext.getContentResolver().openInputStream(uri))) {
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            Log.v(TAG, "Zip entry: " + entry.getName());
            if (entry.getName().equals(entryName)) {
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                Streams.copy(zis, bos);
                String actualContent = new String(bos.toByteArray(), "UTF-8");
                bos.close();
                assertEquals("wrong content for zip entry'" + entryName + "' on '" + uri + "'", expectedContent, actualContent);
                return;
            }
        }
    }
    fail("Did not find entry '" + entryName + "' on file '" + uri + "'");
}

Example 62 with ZipInputStream

use of java.util.zip.ZipInputStream in project translationstudio8 by heartsome.

the class ZipUtil method upZipFile.

/**
	 * 将压缩文件中的内容解压到指定目录中<br>
	 * 如果<code>baseDir</code>的值为空，则将文件解压到相同的目录中，目录名称为"zipFile_files"
	 * @param zipFile
	 *            压缩文件路径
	 * @param baseDir
	 *            解压的目标路径,可以为null
	 * @throws IOException
	 */
public static String upZipFile(String zipFile, String baseDir) throws IOException {
    File f = new File(zipFile);
    if (baseDir == null) {
        baseDir = f.getPath() + "_files";
    }
    ZipInputStream zis = new ZipInputStream(new FileInputStream(f));
    ZipEntry ze;
    byte[] buf = new byte[1024];
    while ((ze = zis.getNextEntry()) != null) {
        File outFile = getRealFileName(baseDir, ze.getName());
        FileOutputStream os = new FileOutputStream(outFile);
        int readLen = 0;
        while ((readLen = zis.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        os.close();
    }
    zis.close();
    return baseDir;
}

Example 63 with ZipInputStream

use of java.util.zip.ZipInputStream in project h2o-3 by h2oai.

the class GlmMojoBenchHelper method readData.

static void readData(File f, int[] mapping, String firstColName, double[][] out, MojoModel mojo) throws IOException {
    InputStream is = new FileInputStream(f);
    try {
        InputStream source;
        if (f.getName().endsWith(".zip")) {
            ZipInputStream zis = new ZipInputStream(is);
            ZipEntry entry = zis.getNextEntry();
            if (!entry.getName().endsWith(".csv"))
                throw new IllegalStateException("CSV file expected, name " + entry.getName());
            source = zis;
        } else {
            source = new GZIPInputStream(is);
        }
        CSVReader r = new CSVReader(new InputStreamReader(source));
        if (firstColName != null) {
            String[] header = r.readNext();
            if (header == null)
                throw new IllegalStateException("File empty");
            if (!firstColName.equals(header[0]))
                throw new IllegalStateException("Header expected");
        }
        int rowIdx = 0;
        String[] row;
        while ((rowIdx < out.length) && ((row = r.readNext()) != null)) {
            double[] outRow = out[rowIdx++];
            if (row.length < mapping.length)
                throw new IllegalStateException("Row too short: " + Arrays.toString(row));
            for (int i = 0; i < mapping.length; i++) {
                int target = mapping[i];
                if (target < 0)
                    continue;
                if ("NA".equals(row[i])) {
                    outRow[target] = Double.NaN;
                    continue;
                }
                String[] domain = mojo.getDomainValues(target);
                if (domain == null)
                    outRow[target] = Double.parseDouble(row[i]);
                else {
                    outRow[target] = -1;
                    for (int d = 0; d < domain.length; d++) if (domain[d].equals(row[i])) {
                        outRow[target] = d;
                        break;
                    }
                    if (outRow[target] < 0)
                        throw new IllegalStateException("Value " + row[i] + " not found in domain " + Arrays.toString(domain));
                }
            }
        }
    } finally {
        is.close();
    }
}

Example 64 with ZipInputStream

use of java.util.zip.ZipInputStream in project h2o-3 by h2oai.

the class MojoReaderBackendFactory method createInMemoryReaderBackend.

private static MojoReaderBackend createInMemoryReaderBackend(InputStream inputStream) throws IOException {
    HashMap<String, byte[]> content = new HashMap<>();
    ZipInputStream zis = new ZipInputStream(inputStream);
    try {
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            if (entry.getSize() > Integer.MAX_VALUE)
                throw new IOException("File too large: " + entry.getName());
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            copyStream(zis, os);
            content.put(entry.getName(), os.toByteArray());
        }
        zis.close();
    } finally {
        closeQuietly(zis);
    }
    return new InMemoryMojoReaderBackend(content);
}

Example 65 with ZipInputStream

use of java.util.zip.ZipInputStream in project h2o-3 by h2oai.

the class ZipUtil method unzipForHeader.

/**
   * This method will read a compressed zip file and return the uncompressed bits so that we can
   * check the beginning of the file and make sure it does not contain the column names.
   *
   * @param bs
   * @param chkSize
   * @return
   */
static byte[] unzipForHeader(byte[] bs, int chkSize) {
    ByteArrayInputStream bais = new ByteArrayInputStream(bs);
    ZipInputStream zis = new ZipInputStream(bais);
    InputStream is = zis;
    // Now read from the compressed stream
    int off = 0;
    try {
        while (off < bs.length) {
            int len = 0;
            len = is.read(bs, off, bs.length - off);
            if (len < 0)
                break;
            off += len;
            if (off == bs.length) {
                // Dataset is uncompressing alot! Need more space...
                if (bs.length >= chkSize)
                    // Already got enough
                    break;
                bs = Arrays.copyOf(bs, bs.length * 2);
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    try {
        is.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return bs;
}