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

Example 71 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project robovm by robovm.

the class URLConnectionTest method gzip.

/**
     * Returns a gzipped copy of {@code bytes}.
     */
public byte[] gzip(byte[] bytes) throws IOException {
    ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
    OutputStream gzippedOut = new GZIPOutputStream(bytesOut);
    gzippedOut.write(bytes);
    gzippedOut.close();
    return bytesOut.toByteArray();
}

Example 72 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project jvm-tools by aragozin.

the class HeapDumpProcuder method getCompressedHeapDump.

public static File getCompressedHeapDump() throws IOException {
    File file = new File(HEAP_DUMP_GZ_PATH);
    if (!file.exists()) {
        System.out.println("Generating compressing heap dump: " + HEAP_DUMP_GZ_PATH);
        FileInputStream fis = new FileInputStream(getHeapDump());
        FileOutputStream fos = new FileOutputStream(file);
        GZIPOutputStream gzos = new GZIPOutputStream(fos);
        byte[] buf = new byte[64 << 10];
        int n = 0;
        while (true) {
            n = fis.read(buf);
            if (n < 0) {
                break;
            }
            gzos.write(buf, 0, n);
        }
        gzos.close();
        fis.close();
        fos.close();
    }
    return file;
}

Example 73 with GZIPOutputStream

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

the class DropBoxTest method testDropBoxEntrySerialization.

public void testDropBoxEntrySerialization() throws Exception {
    // Make sure DropBoxManager.Entry can be serialized to a Parcel and back
    // under a variety of conditions.
    Parcel parcel = Parcel.obtain();
    File dir = getEmptyDir("testDropBoxEntrySerialization");
    new DropBoxManager.Entry("empty", 1000000).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("string", 2000000, "String Value").writeToParcel(parcel, 0);
    new DropBoxManager.Entry("bytes", 3000000, "Bytes Value".getBytes(), DropBoxManager.IS_TEXT).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("zerobytes", 4000000, new byte[0], 0).writeToParcel(parcel, 0);
    new DropBoxManager.Entry("emptybytes", 5000000, (byte[]) null, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
    try {
        new DropBoxManager.Entry("badbytes", 99999, "Bad Bytes Value".getBytes(), DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for non-null byte[] and IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badbytes", 99999, (byte[]) null, 0).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for null byte[] and non-IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    File f = new File(dir, "file.dat");
    FileOutputStream os = new FileOutputStream(f);
    os.write("File Value".getBytes());
    os.close();
    new DropBoxManager.Entry("file", 6000000, f, DropBoxManager.IS_TEXT).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("binfile", 7000000, f, 0).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("emptyfile", 8000000, (ParcelFileDescriptor) null, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
    try {
        new DropBoxManager.Entry("badfile", 99999, new File(dir, "nonexist.dat"), 0);
        fail("IOException expected for nonexistent file");
    } catch (IOException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badfile", 99999, f, DropBoxManager.IS_EMPTY).writeToParcel(parcel, 0);
        fail("IllegalArgumentException expected for non-null file and IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    try {
        new DropBoxManager.Entry("badfile", 99999, (ParcelFileDescriptor) null, 0);
        fail("IllegalArgumentException expected for null PFD and non-IS_EMPTY flags");
    } catch (IllegalArgumentException e) {
    // expected
    }
    File gz = new File(dir, "file.gz");
    GZIPOutputStream gzout = new GZIPOutputStream(new FileOutputStream(gz));
    gzout.write("Gzip File Value".getBytes());
    gzout.close();
    new DropBoxManager.Entry("gzipfile", 9000000, gz, DropBoxManager.IS_TEXT | DropBoxManager.IS_GZIPPED).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    new DropBoxManager.Entry("gzipbinfile", 10000000, gz, DropBoxManager.IS_GZIPPED).writeToParcel(parcel, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
    //
    // Switch from writing to reading
    //
    parcel.setDataPosition(0);
    DropBoxManager.Entry e;
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("empty", e.getTag());
    assertEquals(1000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("string", e.getTag());
    assertEquals(2000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("String Value", e.getText(100));
    assertEquals("String Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("bytes", e.getTag());
    assertEquals(3000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("Bytes Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("zerobytes", e.getTag());
    assertEquals(4000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("emptybytes", e.getTag());
    assertEquals(5000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("file", e.getTag());
    assertEquals(6000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("File Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("binfile", e.getTag());
    assertEquals(7000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals("File Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("emptyfile", e.getTag());
    assertEquals(8000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_EMPTY, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals(null, e.getInputStream());
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("gzipfile", e.getTag());
    assertEquals(9000000, e.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e.getFlags());
    assertEquals("Gzip File Value", e.getText(100));
    e.close();
    e = DropBoxManager.Entry.CREATOR.createFromParcel(parcel);
    assertEquals("gzipbinfile", e.getTag());
    assertEquals(10000000, e.getTimeMillis());
    assertEquals(0, e.getFlags());
    assertEquals(null, e.getText(100));
    assertEquals("Gzip File Value", new BufferedReader(new InputStreamReader(e.getInputStream())).readLine());
    e.close();
    assertEquals(0, parcel.dataAvail());
    parcel.recycle();
}

Example 74 with GZIPOutputStream

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

the class DropBoxTest method testAddEntriesInTheFuture.

public void testAddEntriesInTheFuture() throws Exception {
    File dir = getEmptyDir("testAddEntriesInTheFuture");
    long before = System.currentTimeMillis();
    // Near future: should be allowed to persist
    FileWriter w0 = new FileWriter(new File(dir, "DropBoxTest@" + (before + 5000) + ".txt"));
    w0.write("FUTURE0");
    w0.close();
    // Far future: should be collapsed
    FileWriter w1 = new FileWriter(new File(dir, "DropBoxTest@" + (before + 100000) + ".txt"));
    w1.write("FUTURE1");
    w1.close();
    // Another far future item, this one gzipped
    File f2 = new File(dir, "DropBoxTest@" + (before + 100001) + ".txt.gz");
    GZIPOutputStream gz2 = new GZIPOutputStream(new FileOutputStream(f2));
    gz2.write("FUTURE2".getBytes());
    gz2.close();
    // Tombstone in the far future
    new FileOutputStream(new File(dir, "DropBoxTest@" + (before + 100002) + ".lost")).close();
    DropBoxManagerService service = new DropBoxManagerService(getContext(), dir);
    DropBoxManager dropbox = new DropBoxManager(getContext(), service.getServiceStub());
    // Until a write, the timestamps are taken at face value
    DropBoxManager.Entry e0 = dropbox.getNextEntry(null, before);
    DropBoxManager.Entry e1 = dropbox.getNextEntry(null, e0.getTimeMillis());
    DropBoxManager.Entry e2 = dropbox.getNextEntry(null, e1.getTimeMillis());
    DropBoxManager.Entry e3 = dropbox.getNextEntry(null, e2.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry(null, e3.getTimeMillis()));
    assertEquals("FUTURE0", e0.getText(80));
    assertEquals("FUTURE1", e1.getText(80));
    assertEquals("FUTURE2", e2.getText(80));
    assertEquals(null, e3.getText(80));
    assertEquals(before + 5000, e0.getTimeMillis());
    assertEquals(before + 100000, e1.getTimeMillis());
    assertEquals(before + 100001, e2.getTimeMillis());
    assertEquals(before + 100002, e3.getTimeMillis());
    e0.close();
    e1.close();
    e2.close();
    e3.close();
    // Write something to force a collapse
    dropbox.addText("NotDropBoxTest", "FUTURE");
    e0 = dropbox.getNextEntry(null, before);
    e1 = dropbox.getNextEntry(null, e0.getTimeMillis());
    e2 = dropbox.getNextEntry(null, e1.getTimeMillis());
    e3 = dropbox.getNextEntry(null, e2.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry("DropBoxTest", e3.getTimeMillis()));
    assertEquals("FUTURE0", e0.getText(80));
    assertEquals("FUTURE1", e1.getText(80));
    assertEquals("FUTURE2", e2.getText(80));
    assertEquals(null, e3.getText(80));
    assertEquals(before + 5000, e0.getTimeMillis());
    assertEquals(before + 5001, e1.getTimeMillis());
    assertEquals(before + 5002, e2.getTimeMillis());
    assertEquals(before + 5003, e3.getTimeMillis());
    e0.close();
    e1.close();
    e2.close();
    e3.close();
}

Example 75 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project rest.li by linkedin.

the class GzipCompressor method deflate.

@Override
public byte[] deflate(InputStream data) throws CompressionException {
    ByteArrayOutputStream out;
    GZIPOutputStream gzip = null;
    try {
        out = new ByteArrayOutputStream();
        gzip = new GZIPOutputStream(out);
        IOUtils.copy(data, gzip);
    } catch (IOException e) {
        throw new CompressionException(CompressionConstants.DECODING_ERROR + getContentEncodingName(), e);
    } finally {
        if (gzip != null) {
            IOUtils.closeQuietly(gzip);
        }
    }
    return out.toByteArray();
}