Merge pull request #900 from ymohdriz/branch_issue_openapi_898

Code roll-in for issue 898

Author: gracekarina

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/RemoteUrl.java

@@ -94,7 +94,9 @@ public void process(URLConnection connection) {
     public static String cleanUrl(String url) {
         String result = null;
         try {
-             result =url.replaceAll("\\{", "%7B").replaceAll("\\}", "%7D");
+             result =url.replaceAll("\\{", "%7B").
+                     replaceAll("\\}", "%7D").
+                     replaceAll(" ", "%20");
         }catch (Exception t){
             t.printStackTrace();
         }

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/util/RemoteUrlTest.java

@@ -43,6 +43,9 @@ public void setUp() throws Exception {
     public void testCleanUrl() {
         String cleaned = RemoteUrl.cleanUrl("http://foo/bar/com/{v2}/fun");
         assertEquals(cleaned, "http://foo/bar/com/%7Bv2%7D/fun");
+
+        cleaned = RemoteUrl.cleanUrl("http://westus.dev.cognitive.microsoft.com/docs/services/563879b61984550e40cbbe8d/export?DocumentFormat=Swagger&ApiName=Face API - V1.0");
+        assertEquals(cleaned, "http://westus.dev.cognitive.microsoft.com/docs/services/563879b61984550e40cbbe8d/export?DocumentFormat=Swagger&ApiName=Face%20API%20-%20V1.0");
     }
 
     @Test