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

Example 11 with PushbackInputStream

use of java.io.PushbackInputStream in project robovm by robovm.

the class CertificateFactory method engineGenerateCertificate.

/**
     * Generates a certificate object and initializes it with the data
     * read from the input stream inStream.
     */
public java.security.cert.Certificate engineGenerateCertificate(InputStream in) throws CertificateException {
    if (currentStream == null) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    } else if (// reset if input stream has changed
    currentStream != in) {
        currentStream = in;
        sData = null;
        sDataObjectCount = 0;
    }
    try {
        if (sData != null) {
            if (sDataObjectCount != sData.size()) {
                return getCertificate();
            } else {
                sData = null;
                sDataObjectCount = 0;
                return null;
            }
        }
        PushbackInputStream pis = new PushbackInputStream(in);
        int tag = pis.read();
        if (tag == -1) {
            return null;
        }
        pis.unread(tag);
        if (// assume ascii PEM encoded.
        tag != 0x30) {
            return readPEMCertificate(pis);
        } else {
            return readDERCertificate(new ASN1InputStream(pis));
        }
    } catch (Exception e) {
        throw new ExCertificateException(e);
    }
}

Example 12 with PushbackInputStream

use of java.io.PushbackInputStream in project robovm by robovm.

the class CertificateFactory method engineGenerateCRL.

/**
     * Generates a certificate revocation list (CRL) object and initializes
     * it with the data read from the input stream inStream.
     */
public CRL engineGenerateCRL(InputStream inStream) throws CRLException {
    if (currentCrlStream == null) {
        currentCrlStream = inStream;
        sCrlData = null;
        sCrlDataObjectCount = 0;
    } else if (// reset if input stream has changed
    currentCrlStream != inStream) {
        currentCrlStream = inStream;
        sCrlData = null;
        sCrlDataObjectCount = 0;
    }
    try {
        if (sCrlData != null) {
            if (sCrlDataObjectCount != sCrlData.size()) {
                return getCRL();
            } else {
                sCrlData = null;
                sCrlDataObjectCount = 0;
                return null;
            }
        }
        PushbackInputStream pis = new PushbackInputStream(inStream);
        int tag = pis.read();
        if (tag == -1) {
            return null;
        }
        pis.unread(tag);
        if (// assume ascii PEM encoded.
        tag != 0x30) {
            return readPEMCRL(pis);
        } else {
            // lazy evaluate to help processing of large CRLs
            return readDERCRL(new ASN1InputStream(pis, true));
        }
    } catch (CRLException e) {
        throw e;
    } catch (Exception e) {
        throw new CRLException(e.toString());
    }
}

Example 13 with PushbackInputStream

use of java.io.PushbackInputStream in project robovm by robovm.

the class OpenSSLX509CertPath method fromPkcs7Encoding.

private static CertPath fromPkcs7Encoding(InputStream inStream) throws CertificateException {
    try {
        if (inStream == null || inStream.available() == 0) {
            return new OpenSSLX509CertPath(Collections.<X509Certificate>emptyList());
        }
    } catch (IOException e) {
        throw new CertificateException("Problem reading input stream", e);
    }
    final boolean markable = inStream.markSupported();
    if (markable) {
        inStream.mark(PUSHBACK_SIZE);
    }
    /* Attempt to see if this is a PKCS#7 bag. */
    final PushbackInputStream pbis = new PushbackInputStream(inStream, PUSHBACK_SIZE);
    try {
        final byte[] buffer = new byte[PKCS7_MARKER.length];
        final int len = pbis.read(buffer);
        if (len < 0) {
            /* No need to reset here. The stream was empty or EOF. */
            throw new ParsingException("inStream is empty");
        }
        pbis.unread(buffer, 0, len);
        if (len == PKCS7_MARKER.length && Arrays.equals(PKCS7_MARKER, buffer)) {
            return new OpenSSLX509CertPath(OpenSSLX509Certificate.fromPkcs7PemInputStream(pbis));
        }
        return new OpenSSLX509CertPath(OpenSSLX509Certificate.fromPkcs7DerInputStream(pbis));
    } catch (Exception e) {
        if (markable) {
            try {
                inStream.reset();
            } catch (IOException ignored) {
            }
        }
        throw new CertificateException(e);
    }
}

Example 14 with PushbackInputStream

use of java.io.PushbackInputStream in project commons by twitter.

the class CompatibilityCodec method deserialize.

@Override
public T deserialize(InputStream source) throws IOException {
    final PushbackInputStream in = new PushbackInputStream(source, prefixLength);
    final byte[] prefix = readAtMostPrefix(in);
    in.unread(prefix);
    return (discriminator.apply(prefix) ? primaryCodec : secondaryCodec).deserialize(in);
}

Example 15 with PushbackInputStream

use of java.io.PushbackInputStream in project reversehttp by tonyg.

the class HttpMessage method readFrom.

public boolean readFrom(InputStream s) {
    PushbackInputStream r = new PushbackInputStream(s);
    try {
        readFirstLine(r);
        readHeaders(r);
        return readBody(s);
    } catch (NumberFormatException nfe) {
        return false;
    } catch (IOException ioe) {
        return false;
    }
}