1 files changed, 15 insertions, 3 deletions
diff --git a/config/src/main/java/com/yahoo/config/subscription/FileSource.java b/config/src/main/java/com/yahoo/config/subscription/FileSource.java
index 2178c64cca3..9d3c6041f4b 100644
--- a/config/src/main/java/com/yahoo/config/subscription/FileSource.java
+++ b/config/src/main/java/com/yahoo/config/subscription/FileSource.java
@@ -2,23 +2,35 @@
 package com.yahoo.config.subscription;
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.List;
 
 /**
  * Source specifying config from one local file
  *
  * @author Vegard Havdal
+ * @author jonmv
  */
 public class FileSource implements ConfigSource {
 
     private final File file;
 
     public FileSource(File file) {
-        if ( ! file.isFile()) throw new IllegalArgumentException("Not an ordinary file: "+file);
         this.file = file;
+        validateFile();
     }
 
-    public File getFile() {
-        return file;
+    public long getLastModified() {
+        return file.lastModified();
+    }
+
+    public List<String> getContent() throws IOException {
+        return Files.readAllLines(file.toPath());
+    }
+
+    public void validateFile() {
+        if ( ! file.isFile()) throw new IllegalArgumentException("Not a file: " + file);
     }
 
 }