Fix named transformation with spaces (#224)

Author: francistagbo

cloudinary-core/src/main/java/com/cloudinary/Transformation.java

@@ -675,10 +675,13 @@ public String generate(Map options) {
 
         List transformations = ObjectUtils.asArray(options.get("transformation"));
         boolean allNamed = true;
-        for (Object baseTransformation : transformations) {
+        for ( int i =0; i < transformations.size(); i++ ){
+            Object baseTransformation = transformations.get(i);
             if (baseTransformation instanceof Map) {
                 allNamed = false;
                 break;
+            } else if (baseTransformation instanceof String){
+                transformations.set(i, ((String) baseTransformation).replaceAll(" ", "%20"));
             }
         }
         String namedTransformation = null;

cloudinary-core/src/test/java/com/cloudinary/test/CloudinaryTest.java

@@ -388,6 +388,14 @@ public void testTransformationArray() {
         assertEquals(DEFAULT_UPLOAD_PATH + "t_blip.blop/test", result);
     }
 
+    @Test
+    public void testNamedTransformationWithSpaces() {
+        // should support named transformations with spaces
+        Transformation transformation = new Transformation().named("blip blop");
+        String result = cloudinary.url().transformation(transformation).generate("test");
+        assertEquals(DEFAULT_UPLOAD_PATH + "t_blip%20blop/test", result);
+    }
+
     @Test
     public void testBaseTransformations() {
         // should support base transformation