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19  package org.apache.jsieve;
20  
21  public class Constants {
22  
23      public static final String TAG_COMPARATOR = ":comparator";
24      
25      /** Name of the standard ascii casemap comparator. See <a href='http://tools.ietf.org/html/rfc4790'>RFC4790</a>." target="alexandria_uri">http://tools.ietf.org/html/rfc4790'>RFC4790</a>. */
26      public static final String COMPARATOR_ASCII_CASEMAP_NAME = "i;ascii-casemap";
27      /** Name of the standard octet comparator. See <a href='http://tools.ietf.org/html/rfc4790'>RFC4790</a>." target="alexandria_uri">http://tools.ietf.org/html/rfc4790'>RFC4790</a>. */
28      public static final String COMPARATOR_OCTET_NAME = "i;octet";
29      /** Prefix used to identify extension groups. See <a href='http://tools.ietf.org/html/rfc5228" target="alexandria_uri">http://tools.ietf.org/html/rfc5228#section-6.1'>RFC5228, 6.1. Capability String</a> */
30      public static final char REQUIRE_EXTENSION_PREFIX = '-';
31      /** Prefix used to identify comparator extensions. See <a href='http://tools.ietf.org/html/rfc5228" target="alexandria_uri">http://tools.ietf.org/html/rfc5228#section-6.1'>RFC5228, 6.1. Capability String</a> */
32      public static final String COMPARATOR_PREFIX = "comparator" + REQUIRE_EXTENSION_PREFIX;
33      /** Number of characters in {@link #COMPARATOR_PREFIX} */
34      public static final int COMPARATOR_PREFIX_LENGTH = COMPARATOR_PREFIX.length();
35  }