1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28 package org.apache.http.impl.nio.codecs;
29
30 import java.io.IOException;
31 import java.util.Iterator;
32
33 import org.apache.http.Header;
34 import org.apache.http.HttpException;
35 import org.apache.http.HttpMessage;
36 import org.apache.http.message.BasicLineFormatter;
37 import org.apache.http.message.LineFormatter;
38 import org.apache.http.nio.NHttpMessageWriter;
39 import org.apache.http.nio.reactor.SessionOutputBuffer;
40 import org.apache.http.params.HttpParams;
41 import org.apache.http.util.Args;
42 import org.apache.http.util.CharArrayBuffer;
43
44
45
46
47
48
49
50 @SuppressWarnings("deprecation")
51 public abstract class AbstractMessageWriter<T extends HttpMessage> implements NHttpMessageWriter<T> {
52
53 protected final SessionOutputBuffer sessionBuffer;
54 protected final CharArrayBuffer lineBuf;
55 protected final LineFormatter lineFormatter;
56
57
58
59
60
61
62
63
64
65
66
67 @Deprecated
68 public AbstractMessageWriter(final SessionOutputBuffer buffer,
69 final LineFormatter formatter,
70 final HttpParams params) {
71 super();
72 Args.notNull(buffer, "Session input buffer");
73 this.sessionBuffer = buffer;
74 this.lineBuf = new CharArrayBuffer(64);
75 this.lineFormatter = (formatter != null) ? formatter : BasicLineFormatter.INSTANCE;
76 }
77
78
79
80
81
82
83
84
85
86
87 public AbstractMessageWriter(
88 final SessionOutputBuffer buffer,
89 final LineFormatter formatter) {
90 super();
91 this.sessionBuffer = Args.notNull(buffer, "Session input buffer");
92 this.lineFormatter = (formatter != null) ? formatter : BasicLineFormatter.INSTANCE;
93 this.lineBuf = new CharArrayBuffer(64);
94 }
95
96 @Override
97 public void reset() {
98 }
99
100
101
102
103
104
105 protected abstract void writeHeadLine(T message) throws IOException;
106
107 @Override
108 public void write(final T message) throws IOException, HttpException {
109 Args.notNull(message, "HTTP message");
110 writeHeadLine(message);
111 for (final Iterator<?> it = message.headerIterator(); it.hasNext(); ) {
112 final Header header = (Header) it.next();
113 this.sessionBuffer.writeLine
114 (lineFormatter.formatHeader(this.lineBuf, header));
115 }
116 this.lineBuf.clear();
117 this.sessionBuffer.writeLine(this.lineBuf);
118 }
119
120 }