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17 package org.springframework.ws.transport;
18
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.io.OutputStream;
22 import java.util.Iterator;
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30 public abstract class AbstractSenderConnection extends AbstractWebServiceConnection {
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32 private TransportOutputStream requestOutputStream;
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34 private TransportInputStream responseInputStream;
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36 @Override
37 protected final TransportOutputStream createTransportOutputStream() throws IOException {
38 if (requestOutputStream == null) {
39 requestOutputStream = new RequestTransportOutputStream();
40 }
41 return requestOutputStream;
42 }
43
44 @Override
45 protected final TransportInputStream createTransportInputStream() throws IOException {
46 if (hasResponse()) {
47 if (responseInputStream == null) {
48 responseInputStream = new ResponseTransportInputStream();
49 }
50 return responseInputStream;
51 }
52 else {
53 return null;
54 }
55 }
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62 @Override
63 protected void onClose() throws IOException {
64 }
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67 protected abstract boolean hasResponse() throws IOException;
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76 protected abstract void addRequestHeader(String name, String value) throws IOException;
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79 protected abstract OutputStream getRequestOutputStream() throws IOException;
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85 protected abstract Iterator<String> getResponseHeaderNames() throws IOException;
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91 protected abstract Iterator<String> getResponseHeaders(String name) throws IOException;
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94 protected abstract InputStream getResponseInputStream() throws IOException;
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97 class RequestTransportOutputStream extends TransportOutputStream {
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99 @Override
100 public void addHeader(String name, String value) throws IOException {
101 addRequestHeader(name, value);
102 }
103
104 @Override
105 protected OutputStream createOutputStream() throws IOException {
106 return getRequestOutputStream();
107 }
108 }
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111 class ResponseTransportInputStream extends TransportInputStream {
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113 @Override
114 protected InputStream createInputStream() throws IOException {
115 return getResponseInputStream();
116 }
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118 @Override
119 public Iterator<String> getHeaderNames() throws IOException {
120 return getResponseHeaderNames();
121 }
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123 @Override
124 public Iterator<String> getHeaders(String name) throws IOException {
125 return getResponseHeaders(name);
126 }
127
128 }
129
130 }