Merge pull request #454 from microsoftgraph/bugfix/profile-photo-cast

- fixes a bug where uploading a profile photo would result in an invalid cast exception

Author: baywet

src/main/java/com/microsoft/graph/http/CoreHttpProvider.java

@@ -398,8 +398,13 @@ public MediaType contentType() {
 				} else {
 					logger.logDebug("Response binary");
 					isBinaryStreamInput = true;
-					//no inspection unchecked
-					return (Result) handleBinaryStream(in);
+					if (resultClass == InputStream.class) {
+						return (Result) handleBinaryStream(in);
+					} else if(response.body() != null && response.body().contentLength() > 0) { // some services reply in text/plain with a JSON representation...
+						return handleJsonResponse(in, CoreHttpProvider.getResponseHeadersAsMapOfStringList(response), resultClass);
+					} else {
+						return (Result) null;
+					}
 				}
 			} finally {
 				if (!isBinaryStreamInput) {

src/test/java/com/microsoft/graph/functional/UserTests.java

@@ -2,6 +2,8 @@
 
 import static org.junit.Assert.assertNotNull;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.InputStream;
 import java.util.List;
 
@@ -12,6 +14,7 @@
 import com.microsoft.graph.models.extensions.Drive;
 import com.microsoft.graph.models.extensions.DriveItem;
 import com.microsoft.graph.models.extensions.IGraphServiceClient;
+import com.microsoft.graph.models.extensions.ProfilePhoto;
 import com.microsoft.graph.models.extensions.User;
 import com.microsoft.graph.requests.extensions.IContactCollectionPage;
 import com.microsoft.graph.requests.extensions.IDirectoryObjectCollectionWithReferencesPage;
@@ -122,6 +125,13 @@ public void usersKeyPhotoValueTest() {
 		}
 	}
 
+	@Test
+	public void updateUserPhotoValueTest() throws Exception {
+		final File photo = new File("src/test/resources/hamilton.jpg");
+		final InputStream fileStream = new FileInputStream(photo);
+		graphServiceClient.me().photo().content().buildRequest().put(OutlookTests.getByteArray(fileStream));
+	}
+
 	@Test
 	public void getOrganization() {
 		//GET organization