Examples of edu.ucla.sspace.graph.SubgraphIterator$Extension

org.bouncycastle.asn1.x509.Extension
This class is a pseudo-iterator for generate a sequence of subgraph extensions from a seed vertex in the input graph. Interally the class represents the enumeration state using a stack of possible subgraphs, which avoids the memory intensive recursive implementation.

                Enumeration     e = extensions.oids();


                while (e.hasMoreElements())
                {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)e.nextElement();
                    Extension       ext = extensions.getExtension(oid);


                    if (ext.isCritical())
                    {
                        set.add(oid.getId());
                    }
                }

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    {
        Extensions exts = c.getTBSCertificate().getExtensions();


        if (exts != null)
        {
            Extension   ext = exts.getExtension(new ASN1ObjectIdentifier(oid));
            if (ext != null)
            {
                return ext.getExtnValue().getOctets();
            }
        }


        return null;
    }

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    {
        Extensions exts = c.getTBSCertificate().getExtensions();


        if (exts != null)
        {
            Extension   ext = exts.getExtension(new ASN1ObjectIdentifier(oid));


            if (ext != null)
            {
                try
                {
                    return ext.getExtnValue().getEncoded();
                }
                catch (Exception e)
                {
                    throw new IllegalStateException("error parsing " + e.toString());
                }

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                Enumeration     e = extensions.oids();


                while (e.hasMoreElements())
                {
                    ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)e.nextElement();
                    Extension       ext = extensions.getExtension(oid);


                    if (!ext.isCritical())
                    {
                        set.add(oid.getId());
                    }
                }

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                     || oidId.equals(RFC3280CertPathUtilities.NAME_CONSTRAINTS))
                    {
                        continue;
                    }


                    Extension       ext = extensions.getExtension(oid);


                    if (ext.isCritical())
                    {
                        return true;
                    }
                }
            }

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            }


            while (e.hasMoreElements())
            {
                ASN1ObjectIdentifier     oid = (ASN1ObjectIdentifier)e.nextElement();
                Extension ext = extensions.getExtension(oid);


                if (ext.getExtnValue() != null)
                {
                    byte[]                  octs = ext.getExtnValue().getOctets();
                    ASN1InputStream         dIn = new ASN1InputStream(octs);
                    buf.append("                       critical(").append(ext.isCritical()).append(") ");
                    try
                    {
                        if (oid.equals(Extension.basicConstraints))
                        {
                            buf.append(BasicConstraints.getInstance(dIn.readObject())).append(nl);

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    {
        Extensions extensions = cert.getAcinfo().getExtensions();


        if (extensions != null)
        {
            Extension ext = extensions.getExtension(new ASN1ObjectIdentifier(oid));


            if (ext != null)
            {
                try
                {
                    return ext.getExtnValue().getEncoded(ASN1Encoding.DER);
                }
                catch (Exception e)
                {
                    throw new RuntimeException("error encoding " + e.toString());
                }

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            Enumeration     e = extensions.oids();


            while (e.hasMoreElements())
            {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)e.nextElement();
                Extension            ext = extensions.getExtension(oid);


                if (ext.isCritical() == critical)
                {
                    set.add(oid.getId());
                }
            }

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        if (!isIndirect)
        {
            return null;
        }


        Extension ext = getExtension(Extension.certificateIssuer);
        if (ext == null)
        {
            return previousCertificateIssuer;
        }


        try
        {
            GeneralName[] names = GeneralNames.getInstance(ext.getParsedValue()).getNames();
            for (int i = 0; i < names.length; i++)
            {
                if (names[i].getTagNo() == GeneralName.directoryName)
                {
                    return X500Name.getInstance(names[i].getName());

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            Enumeration e = extensions.oids();


            while (e.hasMoreElements())
            {
                ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) e.nextElement();
                Extension ext = extensions.getExtension(oid);


                if (critical == ext.isCritical())
                {
                    set.add(oid.getId());
                }
            }

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