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20 package org.apache.mina.http;
21
22 import java.nio.ByteBuffer;
23 import java.nio.charset.Charset;
24 import java.nio.charset.CharsetEncoder;
25 import java.util.Map;
26
27 import org.apache.mina.core.buffer.IoBuffer;
28 import org.apache.mina.core.session.IoSession;
29 import org.apache.mina.filter.codec.ProtocolEncoder;
30 import org.apache.mina.filter.codec.ProtocolEncoderOutput;
31 import org.apache.mina.http.api.HttpEndOfContent;
32 import org.apache.mina.http.api.HttpRequest;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35
36 public class HttpClientEncoder implements ProtocolEncoder {
37 private static final Logger LOG = LoggerFactory.getLogger(HttpClientCodec.class);
38 private static final CharsetEncoder ENCODER = Charset.forName("UTF-8").newEncoder();
39
40 public void encode(IoSession session, Object message, ProtocolEncoderOutput out)
41 throws Exception {
42 LOG.debug("encode {}", message.getClass().getCanonicalName());
43 if (message instanceof HttpRequest) {
44 LOG.debug("HttpRequest");
45 HttpRequest msg = (HttpRequest)message;
46 StringBuilder sb = new StringBuilder(msg.getMethod().toString());
47 sb.append(" ");
48 sb.append(msg.getRequestPath());
49 if (!"".equals(msg.getQueryString())) {
50 sb.append("?");
51 sb.append(msg.getQueryString());
52 }
53 sb.append(" ");
54 sb.append(msg.getProtocolVersion());
55 sb.append("\r\n");
56
57 for (Map.Entry<String, String> header : msg.getHeaders().entrySet()) {
58 sb.append(header.getKey());
59 sb.append(": ");
60 sb.append(header.getValue());
61 sb.append("\r\n");
62 }
63 sb.append("\r\n");
64
65
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67 IoBuffer buf = IoBuffer.allocate(sb.length()).setAutoExpand(true);
68 buf.putString(sb.toString(), ENCODER);
69 buf.flip();
70 out.write(buf);
71 } else if (message instanceof ByteBuffer) {
72 LOG.debug("Body");
73 out.write(message);
74 } else if (message instanceof HttpEndOfContent) {
75 LOG.debug("End of Content");
76
77
78 }
79
80 }
81
82 public void dispose(IoSession arg0) throws Exception {
83
84
85 }
86
87 }