Add support for google-storage URLs (gs://) in uploads (#154)

Author: aditimadan-Cloudinary

cloudinary-core/src/main/java/com/cloudinary/utils/StringUtils.java

@@ -209,7 +209,7 @@ public static String read(InputStream in) throws IOException {
     }
 
     public static boolean isRemoteUrl(String file) {
-        return file.matches("ftp:.*|https?:.*|s3:.*|data:[^;]*;base64,([a-zA-Z0-9/+\n=]+)");
+        return file.matches("ftp:.*|https?:.*|s3:.*|gs:.*|data:[^;]*;base64,([a-zA-Z0-9/+\n=]+)");
     }
 
     /**

cloudinary-http42/src/main/java/com/cloudinary/http42/UploaderStrategy.java

@@ -85,14 +85,14 @@ public Map callApi(String action, Map<String, Object> params, Map options, Objec
                 }
             }
         }
-
-        if (file instanceof String && !((String) file).matches("ftp:.*|https?:.*|s3:.*|data:[^;]*;base64,([a-zA-Z0-9/+\n=]+)")) {
+        if(file instanceof String && !(StringUtils.isRemoteUrl((String)file))){
             File _file = new File((String) file);
             if (!_file.isFile() && !_file.canRead()) {
                 throw new IOException("File not found or unreadable: " + file);
             }
             file = _file;
         }
+
         String filename = (String) options.get("filename");
         if (file instanceof File) {
             multipart.addPart("file", new FileBody((File) file, filename, "application/octet-stream", null));

cloudinary-http43/src/main/java/com/cloudinary/http43/UploaderStrategy.java

@@ -102,7 +102,7 @@ public Map callApi(String action, Map<String, Object> params, Map options, Objec
             }
         }
 
-        if (file instanceof String && !((String) file).matches("ftp:.*|https?:.*|s3:.*|data:[^;]*;base64,([a-zA-Z0-9/+\n=]+)")) {
+        if(file instanceof String && !(StringUtils.isRemoteUrl((String)file))){
             File _file = new File((String) file);
             if (!_file.isFile() && !_file.canRead()) {
                 throw new IOException("File not found or unreadable: " + file);