Github user markap14 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/501#discussion_r66142774
--- Diff:
nifi-api/src/main/java/org/apache/nifi/registry/FileVariableRegistry.java ---
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.registry;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Map;
+
+
+public abstract class FileVariableRegistry extends
MultiMapVariableRegistry {
+
+ public FileVariableRegistry() {
+ super();
+ }
+
+ public FileVariableRegistry(File... files){
+ super();
+ addVariables(files);
+ }
+
+ public FileVariableRegistry(Path... paths){
+ super();
+ addVariables(paths);
+ }
+
+ @SuppressWarnings({"unchecked", "rawtypes"})
+ public void addVariables(File ...files){
+ if(files != null) {
+ for (final File file : files) {
+ try {
+ registry.addMap(convertFile(file));
+ } catch (IOException iex) {
+ throw new IllegalArgumentException("A file provided
was invalid.", iex);
--- End diff --
This Exception should indicate the filename of the file that was invalid
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