2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
19 package org.eclipse.jetty.http;
21 import java.nio.ByteBuffer;
22 import java.util.EnumSet;
24 import org.eclipse.jetty.util.ArrayTrie;
25 import org.eclipse.jetty.util.BufferUtil;
26 import org.eclipse.jetty.util.Trie;
32 public enum HttpHeaderValue
38 KEEP_ALIVE("keep-alive"),
39 CONTINUE("100-continue"),
40 PROCESSING("102-processing"),
45 UNKNOWN("::UNKNOWN::");
47 /* ------------------------------------------------------------ */
48 public final static Trie<HttpHeaderValue> CACHE= new ArrayTrie<HttpHeaderValue>();
51 for (HttpHeaderValue value : HttpHeaderValue.values())
53 CACHE.put(value.toString(),value);
56 private final String _string;
57 private final ByteBuffer _buffer;
59 /* ------------------------------------------------------------ */
60 HttpHeaderValue(String s)
63 _buffer=BufferUtil.toBuffer(s);
66 /* ------------------------------------------------------------ */
67 public ByteBuffer toBuffer()
69 return _buffer.asReadOnlyBuffer();
72 /* ------------------------------------------------------------ */
73 public boolean is(String s)
75 return _string.equalsIgnoreCase(s);
78 /* ------------------------------------------------------------ */
79 public String asString()
84 /* ------------------------------------------------------------ */
86 public String toString()
91 /* ------------------------------------------------------------ */
92 private static EnumSet<HttpHeader> __known =
93 EnumSet.of(HttpHeader.CONNECTION,
94 HttpHeader.TRANSFER_ENCODING,
95 HttpHeader.CONTENT_ENCODING);
97 /* ------------------------------------------------------------ */
98 public static boolean hasKnownValues(HttpHeader header)
102 return __known.contains(header);