BasicAuthorizationInterceptor belongs to http.client.support

Issue: SPR-14412

spring-web/src/main/java/org/springframework/http/client/support/BasicAuthorizationInterceptor.java

@@ -14,12 +14,15 @@
  * limitations under the License.
  */
 
-package org.springframework.http.client;
+package org.springframework.http.client.support;
 
 import java.io.IOException;
 import java.nio.charset.Charset;
 
 import org.springframework.http.HttpRequest;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.http.client.ClientHttpResponse;
 import org.springframework.util.Assert;
 import org.springframework.util.Base64Utils;
 
@@ -37,17 +40,25 @@ public class BasicAuthorizationInterceptor implements ClientHttpRequestIntercept
 
 	private final String password;
 
+
+	/**
+	 * Create a new interceptor which adds a BASIC authorization header
+	 * for the given username and password.
+	 * @param username the username to use
+	 * @param password the password to use
+	 */
 	public BasicAuthorizationInterceptor(String username, String password) {
 		Assert.hasLength(username, "Username must not be empty");
 		this.username = username;
-		this.password = (password == null ? "" : password);
+		this.password = (password != null ? password : "");
 	}
 
+
 	@Override
 	public ClientHttpResponse intercept(HttpRequest request, byte[] body,
 			ClientHttpRequestExecution execution) throws IOException {
-		String token = Base64Utils
+
-				.encodeToString((this.username + ":" + this.password).getBytes(UTF_8));
+		String token = Base64Utils.encodeToString((this.username + ":" + this.password).getBytes(UTF_8));
 		request.getHeaders().add("Authorization", "Basic " + token);
 		return execution.execute(request, body);
 	}

spring-web/src/test/java/org/springframework/http/client/support/BasicAuthorizationInterceptorTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.http.client;
+package org.springframework.http.client.support;
 
 import java.net.URI;
 
@@ -24,6 +24,9 @@ import org.junit.rules.ExpectedException;
 
 import org.springframework.beans.DirectFieldAccessor;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.client.ClientHttpRequest;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
 
 import static org.junit.Assert.*;
 import static org.mockito.Mockito.*;