Add first cut of SockJS server support

spring-test/src/main/java/org/springframework/mock/http/MockHttpInputMessage.java

@@ -19,6 +19,7 @@ import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
+import org.springframework.http.Cookies;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpInputMessage;
 import org.springframework.util.Assert;
@@ -35,6 +36,8 @@ public class MockHttpInputMessage implements HttpInputMessage {
 
 	private final InputStream body;
 
+	private final Cookies cookies = new Cookies();
+
 
 	public MockHttpInputMessage(byte[] contents) {
 		this.body = (contents != null) ? new ByteArrayInputStream(contents) : null;
@@ -53,4 +56,8 @@ public class MockHttpInputMessage implements HttpInputMessage {
 		return this.body;
 	}
 
+	@Override
+	public Cookies getCookies() {
+		return this.cookies ;
+	}
 }

spring-test/src/main/java/org/springframework/mock/http/MockHttpOutputMessage.java

@@ -21,6 +21,7 @@ import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
 import java.nio.charset.Charset;
 
+import org.springframework.http.Cookies;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpOutputMessage;
 
@@ -38,6 +39,7 @@ public class MockHttpOutputMessage implements HttpOutputMessage {
 
 	private final ByteArrayOutputStream body = new ByteArrayOutputStream();
 
+	private final Cookies cookies = new Cookies();
 
 	/**
 	 * Return the headers.
@@ -83,4 +85,9 @@ public class MockHttpOutputMessage implements HttpOutputMessage {
 		}
 	}
 
+	@Override
+	public Cookies getCookies() {
+		return this.cookies;
+	}
+
 }