Examples of sun.security.util.BitArray

sun.security.util.BitArray
A packed array of booleans. @author Joshua Bloch @author Douglas Hoover

    public KerberosFlags(int length) throws IllegalArgumentException {
        bits = new BitArray(length);
    }


    public KerberosFlags(int length, byte[] a) throws IllegalArgumentException {
        bits = new BitArray(length, a);
        if (length != Krb5.KRB_FLAGS_MAX+1) {
            bits = new BitArray(Arrays.copyOf(bits.toBooleanArray(), Krb5.KRB_FLAGS_MAX+1));
        }
    }

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            bits = new BitArray(Arrays.copyOf(bits.toBooleanArray(), Krb5.KRB_FLAGS_MAX+1));
        }
    }


    public KerberosFlags(boolean[] bools) {
        bits = new BitArray((bools.length==Krb5.KRB_FLAGS_MAX+1)?
            bools:
            Arrays.copyOf(bools, Krb5.KRB_FLAGS_MAX+1));
    }

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            int prefixLen = Integer.parseInt(name.substring(slashNdx+1));
            if (prefixLen > 128)
                throw new IOException("IPv6Address prefix is longer than 128");


            // create new bit array initialized to zeros
            BitArray bitArray = new BitArray(MASKSIZE * 8);


            // set all most significant bits up to prefix length
            for (int i = 0; i < prefixLen; i++)
                bitArray.set(i, true);
            byte[] maskArray = bitArray.toByteArray();


            // copy mask bytes into mask portion of address
            for (int i = 0; i < MASKSIZE; i++)
                address[MASKSIZE+i] = maskArray[i];
        }

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                // copy subdomain into new array and convert to BitArray
                byte[] maskBytes = new byte[16];
                for (int i=16; i < 32; i++)
                    maskBytes[i-16] = address[i];
                BitArray ba = new BitArray(16*8, maskBytes);
                // Find first zero bit
                int i=0;
                for (; i < 16*8; i++) {
                    if (!ba.get(i))
                        break;
                }
                name = name + "/" + i;
                // Verify remaining bits 0
                for (; i < 16*8; i++) {
                    if (ba.get(i)) {
                        throw new IOException("Invalid IPv6 subdomain - set " +
                            "bit " + i + " not contiguous");
                    }
                }
            }

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                DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_DIST_PT),
                distributionPoint);
        }
        if (reasonFlags != null) {
            DerOutputStream reasons = new DerOutputStream();
            BitArray rf = new BitArray(reasonFlags);
            reasons.putTruncatedUnalignedBitString(rf);
            tagged.writeImplicit(
                DerValue.createTag(DerValue.TAG_CONTEXT, false, TAG_REASONS),
                reasons);
        }

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        // reset to BitString since it's context-specfic[1] encoded
        v2.resetTag(DerValue.tag_BitString);
        // length should be 5 since only {T,F,T} should be encoded
        check(v2.getUnalignedBitString().length(), 3);


        BitArray ba;
        ba = new BitArray(new boolean[] {false, false, false});
        check(ba.length(), 3);
        ba = ba.truncate();
        check(ba.length(), 1);


        ba = new BitArray(new boolean[] {
            true, true, true, true, true, true, true, true,
            false, false});
        check(ba.length(), 10);
        check(ba.toByteArray().length, 2);
        ba = ba.truncate();
        check(ba.length(), 8);
        check(ba.toByteArray().length, 1);


        ba = new BitArray(new boolean[] {
            true, true, true, true, true, true, true, true,
            true, false});
        check(ba.length(), 10);
        check(ba.toByteArray().length, 2);
        ba = ba.truncate();
        check(ba.length(), 9);
        check(ba.toByteArray().length, 2);
    }

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Related Classes of sun.security.util.BitArray

NamedBitList

sun.security.x509.DistributionPoint

java.io.ByteArrayOutputStream

sun.security.x509.IPAddressName

sun.security.krb5.internal.util.KerberosFlags

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