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.http.io;
29
30 import java.io.IOException;
31
32 import org.apache.http.HttpException;
33 import org.apache.http.HttpMessage;
34
35 /**
36 * Abstract message parser intended to build HTTP messages from an arbitrary data source.
37 *
38 * @param <T>
39 * {@link HttpMessage} or a subclass
40 *
41 * @since 4.0
42 */
43 public interface HttpMessageParser<T extends HttpMessage> {
44
45 /**
46 * Generates an instance of {@link HttpMessage} from the underlying data
47 * source.
48 *
49 * @return HTTP message
50 * @throws IOException in case of an I/O error
51 * @throws HttpException in case of HTTP protocol violation
52 */
53 T parse()
54 throws IOException, HttpException;
55
56 }