From 3065d7d54f9605e1a2bbc97f4a7e89923e6b100e Mon Sep 17 00:00:00 2001
From: Pavlos-Petros Tournaris <p.tournaris@gmail.com>
Date: Thu, 9 Feb 2017 00:04:45 +0200
Subject: [PATCH] Avoid multiple resolves of the same Key (#120)

---
 .../java/com/nytimes/android/external/fs/FSReader.java    | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/filesystem/src/main/java/com/nytimes/android/external/fs/FSReader.java b/filesystem/src/main/java/com/nytimes/android/external/fs/FSReader.java
index ab3833b..c76ee1e 100644
--- a/filesystem/src/main/java/com/nytimes/android/external/fs/FSReader.java
+++ b/filesystem/src/main/java/com/nytimes/android/external/fs/FSReader.java
@@ -30,14 +30,16 @@ public class FSReader<T> implements DiskRead<BufferedSource, T> {
 
     @Nonnull
     @Override
-    public Observable<BufferedSource> read(final T id) {
+    public Observable<BufferedSource> read(final T key) {
         return Observable.fromEmitter(new Action1<Emitter<BufferedSource>>() {
             @Override
             public void call(Emitter<BufferedSource> emitter) {
-                boolean exists = fileSystem.exists(pathResolver.resolve(id));
+                String resolvedKey = pathResolver.resolve(key);
+                boolean exists = fileSystem.exists(resolvedKey);
+              
                 if (exists) {
                     try {
-                        BufferedSource bufferedSource = fileSystem.read(pathResolver.resolve(id));
+                        BufferedSource bufferedSource = fileSystem.read(resolvedKey);
                         emitter.onNext(bufferedSource);
                         emitter.onCompleted();
                     } catch (FileNotFoundException e) {