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author | mharmsen <mharmsen@c9f7a03b-bd48-0410-a16d-cbbf54688b0b> | 2011-10-29 04:43:21 +0000 |
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committer | mharmsen <mharmsen@c9f7a03b-bd48-0410-a16d-cbbf54688b0b> | 2011-10-29 04:43:21 +0000 |
commit | db615a895b644af038308ae71b680f1d93f78f70 (patch) | |
tree | 6d1a4510d625fd4d6afe2848b8de686af74a118a /pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java | |
parent | a8a64c7f1dcaf3012fa8d3cd164c890ceb146d0d (diff) | |
download | pki-DOGTAG_9_0_FEDORA_15_16_17_20111028.tar.gz pki-DOGTAG_9_0_FEDORA_15_16_17_20111028.tar.xz pki-DOGTAG_9_0_FEDORA_15_16_17_20111028.zip |
Bugzilla Bug #737761 - Update Dogtag Packages for Fedora 16DOGTAG_9_0_FEDORA_15_16_17_20111028
git-svn-id: svn+ssh://svn.fedorahosted.org/svn/pki/tags/DOGTAG_9_0_FEDORA_15_16_17_20111028@2279 c9f7a03b-bd48-0410-a16d-cbbf54688b0b
Diffstat (limited to 'pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java')
-rw-r--r-- | pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java b/pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java new file mode 100644 index 000000000..81f437476 --- /dev/null +++ b/pki/base/util/src/netscape/security/util/ByteArrayTagOrder.java @@ -0,0 +1,49 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package netscape.security.util; + +import java.util.Comparator; + +public class ByteArrayTagOrder implements Comparator { + + /** + * Compare two byte arrays, by the order of their tags, + * as defined in ITU-T X.680, sec. 6.4. (First compare + * tag classes, then tag numbers, ignoring the constructivity bit.) + * + * @param obj1 first byte array to compare. + * @param obj2 second byte array to compare. + * @return negative number if obj1 < obj2, 0 if obj1 == obj2, + * positive number if obj1 > obj2. + * + * @exception <code>ClassCastException</code> + * if either argument is not a byte array. + */ + + public final int compare(Object obj1, Object obj2) { + + byte[] bytes1 = (byte[]) obj1; + byte[] bytes2 = (byte[]) obj2; + + // tag order is same as byte order ignoring any difference in + // the constructivity bit (0x02) + return (bytes1[0] | 0x20) - (bytes2[0] | 0x20); + } + + +} |