Java Code Examples for sun.misc.IOUtils#readNBytes()

The following examples show how to use sun.misc.IOUtils#readNBytes() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ICC_Profile.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
static byte[] getProfileDataFromStream(InputStream s) throws IOException {

        BufferedInputStream bis = new BufferedInputStream(s);
        bis.mark(128);

        byte[] header = IOUtils.readNBytes(bis, 128);
        if (header[36] != 0x61 || header[37] != 0x63 ||
            header[38] != 0x73 || header[39] != 0x70) {
            return null;   /* not a valid profile */
        }
        int profileSize = ((header[0] & 0xff) << 24) |
                          ((header[1] & 0xff) << 16) |
                          ((header[2] & 0xff) << 8) |
                          (header[3] & 0xff);
        bis.reset();
        try {
            return IOUtils.readNBytes(bis, profileSize);
        } catch (OutOfMemoryError e) {
            throw new IOException("Color profile is too big");
        }
    }
Example 2
Source File: ICC_Profile.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
static byte[] getProfileDataFromStream(InputStream s) throws IOException {

        BufferedInputStream bis = new BufferedInputStream(s);
        bis.mark(128);

        byte[] header = IOUtils.readNBytes(bis, 128);
        if (header[36] != 0x61 || header[37] != 0x63 ||
            header[38] != 0x73 || header[39] != 0x70) {
            return null;   /* not a valid profile */
        }
        int profileSize = ((header[0] & 0xff) << 24) |
                          ((header[1] & 0xff) << 16) |
                          ((header[2] & 0xff) << 8) |
                          (header[3] & 0xff);
        bis.reset();
        try {
            return IOUtils.readNBytes(bis, profileSize);
        } catch (OutOfMemoryError e) {
            throw new IOException("Color profile is too big");
        }
    }
Example 3
Source File: ICC_Profile.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
static byte[] getProfileDataFromStream(InputStream s) throws IOException {

        BufferedInputStream bis = new BufferedInputStream(s);
        bis.mark(128);

        byte[] header = IOUtils.readNBytes(bis, 128);
        if (header[36] != 0x61 || header[37] != 0x63 ||
            header[38] != 0x73 || header[39] != 0x70) {
            return null;   /* not a valid profile */
        }
        int profileSize = ((header[0] & 0xff) << 24) |
                          ((header[1] & 0xff) << 16) |
                          ((header[2] & 0xff) << 8) |
                          (header[3] & 0xff);
        bis.reset();
        try {
            return IOUtils.readNBytes(bis, profileSize);
        } catch (OutOfMemoryError e) {
            throw new IOException("Color profile is too big");
        }
    }
Example 4
Source File: ICC_Profile.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
static byte[] getProfileDataFromStream(InputStream s) throws IOException {

        BufferedInputStream bis = new BufferedInputStream(s);
        bis.mark(128);

        byte[] header = IOUtils.readNBytes(bis, 128);
        if (header[36] != 0x61 || header[37] != 0x63 ||
            header[38] != 0x73 || header[39] != 0x70) {
            return null;   /* not a valid profile */
        }
        int profileSize = ((header[0] & 0xff) << 24) |
                          ((header[1] & 0xff) << 16) |
                          ((header[2] & 0xff) << 8) |
                          (header[3] & 0xff);
        bis.reset();
        try {
            return IOUtils.readNBytes(bis, profileSize);
        } catch (OutOfMemoryError e) {
            throw new IOException("Color profile is too big");
        }
    }
Example 5
Source File: CertificateRevokedException.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
/**
 * Deserialize the {@code CertificateRevokedException} instance.
 */
private void readObject(ObjectInputStream ois)
    throws IOException, ClassNotFoundException {
    // Read in the non-transient fields
    // (revocationDate, reason, authority)
    ois.defaultReadObject();

    // Defensively copy the revocation date
    revocationDate = new Date(revocationDate.getTime());

    // Read in the size (number of mappings) of the extensions map
    // and create the extensions map
    int size = ois.readInt();
    if (size == 0) {
        extensions = Collections.emptyMap();
    } else if (size < 0) {
        throw new IOException("size cannot be negative");
    } else {
        extensions = new HashMap<>(size > 20 ? 20 : size);
    }

    // Read in the extensions and put the mappings in the extensions map
    for (int i = 0; i < size; i++) {
        String oid = (String) ois.readObject();
        boolean critical = ois.readBoolean();
        byte[] extVal = IOUtils.readNBytes(ois, ois.readInt());
        Extension ext = sun.security.x509.Extension.newExtension
            (new ObjectIdentifier(oid), critical, extVal);
        extensions.put(oid, ext);
    }
}
Example 6
Source File: ReadNBytes.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
static void test(byte[] inputBytes) throws IOException {
    int length = inputBytes.length;
    WrapperInputStream in = new WrapperInputStream(new ByteArrayInputStream(inputBytes));
    byte[] readBytes = new byte[(length / 2) + 1];
    int nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    int x;
    byte[] tmp;
    check(nread == readBytes.length,
          "Expected number of bytes read: " + readBytes.length + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOf(inputBytes, nread)), readBytes),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    check(!in.isClosed(), "Stream unexpectedly closed");

    // Read again
    nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    check(nread == length - readBytes.length,
          "Expected number of bytes read: " + (length - readBytes.length) + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOfRange(inputBytes, readBytes.length, length)),
                        Arrays.copyOf(readBytes, nread)),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    // Expect end of stream
    check((x = in.read()) == -1,
          "Expected end of stream from read(), got " + x);
    check((x = in.read(tmp)) == -1,
          "Expected end of stream from read(byte[]), got " + x);
    check((x = in.read(tmp, 0, tmp.length)) == -1,
          "Expected end of stream from read(byte[], int, int), got " + x);
    check((x = IOUtils.readNBytes(in, tmp, 0, tmp.length)) == 0,
          "Expected end of stream, 0, from readNBytes(byte[], int, int), got " + x);
    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 7
Source File: ReadNBytes.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
static void test(byte[] inputBytes) throws IOException {
    int length = inputBytes.length;
    WrapperInputStream in = new WrapperInputStream(new ByteArrayInputStream(inputBytes));
    byte[] readBytes = new byte[(length / 2) + 1];
    int nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    int x;
    byte[] tmp;
    check(nread == readBytes.length,
          "Expected number of bytes read: " + readBytes.length + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOf(inputBytes, nread)), readBytes),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    check(!in.isClosed(), "Stream unexpectedly closed");

    // Read again
    nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    check(nread == length - readBytes.length,
          "Expected number of bytes read: " + (length - readBytes.length) + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOfRange(inputBytes, readBytes.length, length)),
                        Arrays.copyOf(readBytes, nread)),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    // Expect end of stream
    check((x = in.read()) == -1,
          "Expected end of stream from read(), got " + x);
    check((x = in.read(tmp)) == -1,
          "Expected end of stream from read(byte[]), got " + x);
    check((x = in.read(tmp, 0, tmp.length)) == -1,
          "Expected end of stream from read(byte[], int, int), got " + x);
    check((x = IOUtils.readNBytes(in, tmp, 0, tmp.length)) == 0,
          "Expected end of stream, 0, from readNBytes(byte[], int, int), got " + x);
    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 8
Source File: CertificateRevokedException.java    From JDKSourceCode1.8 with MIT License 5 votes vote down vote up 
/**
 * Deserialize the {@code CertificateRevokedException} instance.
 */
private void readObject(ObjectInputStream ois)
    throws IOException, ClassNotFoundException {
    // Read in the non-transient fields
    // (revocationDate, reason, authority)
    ois.defaultReadObject();

    // Defensively copy the revocation date
    revocationDate = new Date(revocationDate.getTime());

    // Read in the size (number of mappings) of the extensions map
    // and create the extensions map
    int size = ois.readInt();
    if (size == 0) {
        extensions = Collections.emptyMap();
    } else if (size < 0) {
        throw new IOException("size cannot be negative");
    } else {
        extensions = new HashMap<>(size > 20 ? 20 : size);
    }

    // Read in the extensions and put the mappings in the extensions map
    for (int i = 0; i < size; i++) {
        String oid = (String) ois.readObject();
        boolean critical = ois.readBoolean();
        byte[] extVal = IOUtils.readNBytes(ois, ois.readInt());
        Extension ext = sun.security.x509.Extension.newExtension
            (new ObjectIdentifier(oid), critical, extVal);
        extensions.put(oid, ext);
    }
}
Example 9
Source File: ReadNBytes.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
static void test(byte[] inputBytes) throws IOException {
    int length = inputBytes.length;
    WrapperInputStream in = new WrapperInputStream(new ByteArrayInputStream(inputBytes));
    byte[] readBytes = new byte[(length / 2) + 1];
    int nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    int x;
    byte[] tmp;
    check(nread == readBytes.length,
          "Expected number of bytes read: " + readBytes.length + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOf(inputBytes, nread)), readBytes),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    check(!in.isClosed(), "Stream unexpectedly closed");

    // Read again
    nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    check(nread == length - readBytes.length,
          "Expected number of bytes read: " + (length - readBytes.length) + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOfRange(inputBytes, readBytes.length, length)),
                        Arrays.copyOf(readBytes, nread)),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    // Expect end of stream
    check((x = in.read()) == -1,
          "Expected end of stream from read(), got " + x);
    check((x = in.read(tmp)) == -1,
          "Expected end of stream from read(byte[]), got " + x);
    check((x = in.read(tmp, 0, tmp.length)) == -1,
          "Expected end of stream from read(byte[], int, int), got " + x);
    check((x = IOUtils.readNBytes(in, tmp, 0, tmp.length)) == 0,
          "Expected end of stream, 0, from readNBytes(byte[], int, int), got " + x);
    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 10
Source File: CertificateRevokedException.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Deserialize the {@code CertificateRevokedException} instance.
 */
private void readObject(ObjectInputStream ois)
    throws IOException, ClassNotFoundException {
    // Read in the non-transient fields
    // (revocationDate, reason, authority)
    ois.defaultReadObject();

    // Defensively copy the revocation date
    revocationDate = new Date(revocationDate.getTime());

    // Read in the size (number of mappings) of the extensions map
    // and create the extensions map
    int size = ois.readInt();
    if (size == 0) {
        extensions = Collections.emptyMap();
    } else if (size < 0) {
        throw new IOException("size cannot be negative");
    } else {
        extensions = new HashMap<>(size > 20 ? 20 : size);
    }

    // Read in the extensions and put the mappings in the extensions map
    for (int i = 0; i < size; i++) {
        String oid = (String) ois.readObject();
        boolean critical = ois.readBoolean();
        byte[] extVal = IOUtils.readNBytes(ois, ois.readInt());
        Extension ext = sun.security.x509.Extension.newExtension
            (new ObjectIdentifier(oid), critical, extVal);
        extensions.put(oid, ext);
    }
}
Example 11
Source File: ReadNBytes.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
static void test(byte[] inputBytes) throws IOException {
    int length = inputBytes.length;
    WrapperInputStream in = new WrapperInputStream(new ByteArrayInputStream(inputBytes));
    byte[] readBytes = new byte[(length / 2) + 1];
    int nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    int x;
    byte[] tmp;
    check(nread == readBytes.length,
          "Expected number of bytes read: " + readBytes.length + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOf(inputBytes, nread)), readBytes),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    check(!in.isClosed(), "Stream unexpectedly closed");

    // Read again
    nread = IOUtils.readNBytes(in, readBytes, 0, readBytes.length);

    check(nread == length - readBytes.length,
          "Expected number of bytes read: " + (length - readBytes.length) + ", got: " + nread);
    check(Arrays.equals((tmp = Arrays.copyOfRange(inputBytes, readBytes.length, length)),
                        Arrays.copyOf(readBytes, nread)),
          "Expected[" + tmp + "], got:[" + readBytes + "]");
    // Expect end of stream
    check((x = in.read()) == -1,
          "Expected end of stream from read(), got " + x);
    check((x = in.read(tmp)) == -1,
          "Expected end of stream from read(byte[]), got " + x);
    check((x = in.read(tmp, 0, tmp.length)) == -1,
          "Expected end of stream from read(byte[], int, int), got " + x);
    check((x = IOUtils.readNBytes(in, tmp, 0, tmp.length)) == 0,
          "Expected end of stream, 0, from readNBytes(byte[], int, int), got " + x);
    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 12
Source File: ReadNBytes.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
static void test(int max) throws IOException {
    byte[] subset1, subset2;
    byte[] inputBytes = max <= 0 ? new byte[0] : createRandomBytes(max);
    WrapperInputStream in =
        new WrapperInputStream(new ByteArrayInputStream(inputBytes));

    if (max < 0) {
        try {
            IOUtils.readNBytes(in, max);
            check(false, "Expected IllegalArgumentException not thrown");
        } catch (IllegalArgumentException iae) {
            return;
        }
    } else if (max == 0) {
        int x;
        check((x = IOUtils.readNBytes(in, max).length) == 0,
              "Expected zero bytes, got " + x);
        return;
    }

    int off = Math.toIntExact(in.skip(generator.nextInt(max/2)));
    int len = generator.nextInt(max - 1 - off);
    byte[] readBytes = IOUtils.readNBytes(in, len);
    check(readBytes.length == len,
          "Expected " + len + " bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off, off + len);
    subset2 = Arrays.copyOfRange(readBytes, 0, len);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
          "], got:[" + readBytes + "]");

    int remaining = max - (off + len);
    readBytes = IOUtils.readNBytes(in, remaining);
    check(readBytes.length == remaining,
          "Expected " + remaining + "bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off + len, max);
    subset2 = Arrays.copyOfRange(readBytes, 0, remaining);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
      "], got:[" + readBytes + "]");

    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 13
Source File: ReadNBytes.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
static void test(int max) throws IOException {
    byte[] subset1, subset2;
    byte[] inputBytes = max <= 0 ? new byte[0] : createRandomBytes(max);
    WrapperInputStream in =
        new WrapperInputStream(new ByteArrayInputStream(inputBytes));

    if (max < 0) {
        try {
            IOUtils.readNBytes(in, max);
            check(false, "Expected IllegalArgumentException not thrown");
        } catch (IllegalArgumentException iae) {
            return;
        }
    } else if (max == 0) {
        int x;
        check((x = IOUtils.readNBytes(in, max).length) == 0,
              "Expected zero bytes, got " + x);
        return;
    }

    int off = Math.toIntExact(in.skip(generator.nextInt(max/2)));
    int len = generator.nextInt(max - 1 - off);
    byte[] readBytes = IOUtils.readNBytes(in, len);
    check(readBytes.length == len,
          "Expected " + len + " bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off, off + len);
    subset2 = Arrays.copyOfRange(readBytes, 0, len);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
          "], got:[" + readBytes + "]");

    int remaining = max - (off + len);
    readBytes = IOUtils.readNBytes(in, remaining);
    check(readBytes.length == remaining,
          "Expected " + remaining + "bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off + len, max);
    subset2 = Arrays.copyOfRange(readBytes, 0, remaining);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
      "], got:[" + readBytes + "]");

    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 14
Source File: ReadNBytes.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
static void test(int max) throws IOException {
    byte[] subset1, subset2;
    byte[] inputBytes = max <= 0 ? new byte[0] : createRandomBytes(max);
    WrapperInputStream in =
        new WrapperInputStream(new ByteArrayInputStream(inputBytes));

    if (max < 0) {
        try {
            IOUtils.readNBytes(in, max);
            check(false, "Expected IllegalArgumentException not thrown");
        } catch (IllegalArgumentException iae) {
            return;
        }
    } else if (max == 0) {
        int x;
        check((x = IOUtils.readNBytes(in, max).length) == 0,
              "Expected zero bytes, got " + x);
        return;
    }

    int off = Math.toIntExact(in.skip(generator.nextInt(max/2)));
    int len = generator.nextInt(max - 1 - off);
    byte[] readBytes = IOUtils.readNBytes(in, len);
    check(readBytes.length == len,
          "Expected " + len + " bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off, off + len);
    subset2 = Arrays.copyOfRange(readBytes, 0, len);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
          "], got:[" + readBytes + "]");

    int remaining = max - (off + len);
    readBytes = IOUtils.readNBytes(in, remaining);
    check(readBytes.length == remaining,
          "Expected " + remaining + "bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off + len, max);
    subset2 = Arrays.copyOfRange(readBytes, 0, remaining);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
      "], got:[" + readBytes + "]");

    check(!in.isClosed(), "Stream unexpectedly closed");
}
Example 15
Source File: ReadNBytes.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
static void test(int max) throws IOException {
    byte[] subset1, subset2;
    byte[] inputBytes = max <= 0 ? new byte[0] : createRandomBytes(max);
    WrapperInputStream in =
        new WrapperInputStream(new ByteArrayInputStream(inputBytes));

    if (max < 0) {
        try {
            IOUtils.readNBytes(in, max);
            check(false, "Expected IllegalArgumentException not thrown");
        } catch (IllegalArgumentException iae) {
            return;
        }
    } else if (max == 0) {
        int x;
        check((x = IOUtils.readNBytes(in, max).length) == 0,
              "Expected zero bytes, got " + x);
        return;
    }

    int off = Math.toIntExact(in.skip(generator.nextInt(max/2)));
    int len = generator.nextInt(max - 1 - off);
    byte[] readBytes = IOUtils.readNBytes(in, len);
    check(readBytes.length == len,
          "Expected " + len + " bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off, off + len);
    subset2 = Arrays.copyOfRange(readBytes, 0, len);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
          "], got:[" + readBytes + "]");

    int remaining = max - (off + len);
    readBytes = IOUtils.readNBytes(in, remaining);
    check(readBytes.length == remaining,
          "Expected " + remaining + "bytes, got " + readBytes.length);
    subset1 = Arrays.copyOfRange(inputBytes, off + len, max);
    subset2 = Arrays.copyOfRange(readBytes, 0, remaining);
    check(Arrays.equals(subset1, subset2), "Expected[" + subset1 +
      "], got:[" + readBytes + "]");

    check(!in.isClosed(), "Stream unexpectedly closed");
}