Add java setUrl() method.

play-ahc-ws-standalone/src/main/java/play/libs/ws/ahc/StandaloneAhcWSRequest.java

@@ -42,7 +42,7 @@ public class StandaloneAhcWSRequest implements StandaloneWSRequest {
 
     private BodyWritable<?> bodyWritable;
 
-    private final String url;
+    private String url;
     private String method = "GET";
     private final Map<String, List<String>> headers = new HashMap<>();
     private final Map<String, List<String>> queryParameters = new LinkedHashMap<>();
@@ -225,6 +225,12 @@ public Optional<String> getContentType() {
         return getHeader(CONTENT_TYPE);
     }
 
+    @Override
+    public StandaloneWSRequest setUrl(String url) {
+        this.url = url;
+        return this;
+    }
+
     @Override
     public StandaloneAhcWSRequest setMethod(String method) {
         this.method = method;

play-ahc-ws-standalone/src/test/scala/play/libs/ws/ahc/AhcWSRequestSpec.scala

@@ -36,6 +36,16 @@ class AhcWSRequestSpec extends Specification with Mockito with DefaultBodyReadab
       actual must beEqualTo("foo.com")
     }
 
+    "set the url" in {
+      val client = mock[StandaloneAhcWSClient]
+      val req = new StandaloneAhcWSRequest(client, "http://playframework.com/", null)
+      req.getUrl must be_===("http://playframework.com/")
+
+      val setReq = req.setUrl("http://example.com")
+      setReq.getUrl must be_===("http://example.com")
+      setReq must be_===(req)
+    }
+
     "For POST requests" in {
 
       "get method" in {

play-ws-standalone/src/main/java/play/libs/ws/StandaloneWSRequest.java

@@ -134,6 +134,14 @@ public interface StandaloneWSRequest {
     // Setters
     //-------------------------------------------------------------------------
 
+    /**
+     * Sets the URL of the request.
+     *
+     * @param url the URL of the request
+     * @return the modified WSRequest.
+     */
+    StandaloneWSRequest setUrl(String url);
+
     /**
      * Sets the HTTP method this request should use, where the no args execute() method is invoked.
      *