1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.hc.core5.http.message;
29
30 import org.apache.hc.core5.annotation.Contract;
31 import org.apache.hc.core5.annotation.ThreadingBehavior;
32 import org.apache.hc.core5.http.Header;
33 import org.apache.hc.core5.http.ParseException;
34 import org.apache.hc.core5.util.Args;
35 import org.apache.hc.core5.util.CharArrayBuffer;
36
37 /**
38 * Extension of {@link org.apache.hc.core5.http.message.BasicLineParser} that defers parsing of
39 * header values. Header value is parsed only if accessed with
40 * {@link org.apache.hc.core5.http.Header#getValue()}.
41 * <p>
42 * This parser should be used to parse request messages on the server server.
43 * </p>
44 * @since 5.0
45 */
46 @Contract(threading = ThreadingBehavior.IMMUTABLE)
47 public class LazyLineParser extends BasicLineParser {
48
49 public final static LazyLineParser INSTANCE = new LazyLineParser();
50
51 @Override
52 public Header parseHeader(final CharArrayBuffer buffer) throws ParseException {
53 Args.notNull(buffer, "Char array buffer");
54
55 return new BufferedHeader(buffer, true);
56 }
57
58 }