Update HeadersAware*WebServiceConnection to be a WebServiceConnection

Closes gh-1510

Author: snicoll

spring-ws-core/src/main/java/org/springframework/ws/transport/HeadersAwareReceiverWebServiceConnection.java

@@ -20,23 +20,23 @@
 import java.util.Iterator;
 
 /**
- * Interface to define access to header information for certain
- * {@link WebServiceConnection} implementations.
+ * Sub-interface of {@link WebServiceConnection} that is aware of request headers and can
+ * define response headers.
  *
  * @author Greg Turnquist
  * @since 2.3
  */
-public interface HeadersAwareReceiverWebServiceConnection {
+public interface HeadersAwareReceiverWebServiceConnection extends WebServiceConnection {
 
 	/**
-	 * Returns an iteration over all the header names this request contains. Returns an
+	 * Return an iteration over all the header names the request contains. Returns an
 	 * empty {@code Iterator} if there are no headers.
 	 */
 	Iterator<String> getRequestHeaderNames() throws IOException;
 
 	/**
-	 * Returns an iteration over all the string values of the specified header. Returns an
-	 * empty {@code Iterator} if there are no headers of the specified name.
+	 * Return an iteration over all the string values of the specified request header.
+	 * Return an empty {@code Iterator} if there is no header of the specified name.
 	 */
 	Iterator<String> getRequestHeaders(String name) throws IOException;
 

spring-ws-core/src/main/java/org/springframework/ws/transport/HeadersAwareSenderWebServiceConnection.java

@@ -20,22 +20,23 @@
 import java.util.Iterator;
 
 /**
- * Specialization of {@link WebServiceConnection} that is able to manage headers.
+ * Sub-interface of {@link WebServiceConnection} that is aware of response headers and can
+ * define request headers.
  *
  * @author Greg Turnquist
  * @since 2.3
  */
-public interface HeadersAwareSenderWebServiceConnection {
+public interface HeadersAwareSenderWebServiceConnection extends WebServiceConnection {
 
 	/**
-	 * Returns an iteration over all the header names this request contains. Returns an
+	 * Return an iteration over all the header names the response contains. Returns an
 	 * empty {@code Iterator} if there are no headers.
 	 */
 	Iterator<String> getResponseHeaderNames() throws IOException;
 
 	/**
-	 * Returns an iteration over all the string values of the specified header. Returns an
-	 * empty {@code Iterator} if there are no headers of the specified name.
+	 * Return an iteration over all the string values of the specified response header.
+	 * Return an empty {@code Iterator} if there is no header of the specified name.
 	 */
 	Iterator<String> getResponseHeaders(String name) throws IOException;