1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/com/android/apkzlib/utils/IOExceptionRunnable.java b/src/main/java/com/android/apkzlib/utils/IOExceptionRunnable.java
new file mode 100644
index 0000000..f1b181a
--- /dev/null
+++ b/src/main/java/com/android/apkzlib/utils/IOExceptionRunnable.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed 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 com.android.apkzlib.utils;
+
+import com.android.annotations.NonNull;
+import java.io.IOException;
+import java.io.UncheckedIOException;
+
+/**
+ * Runnable that can throw I/O exceptions.
+ */
+@FunctionalInterface
+public interface IOExceptionRunnable {
+
+    /**
+     * Runs the runnable.
+     * @throws IOException failed to run
+     */
+    void run() throws IOException;
+
+    /**
+     * Wraps a runnable that may throw an IO Exception throwing an {@code UncheckedIOException}.
+     *
+     * @param r the runnable
+     */
+    @NonNull
+    public static Runnable asRunnable(@NonNull IOExceptionRunnable r) {
+        return () -> {
+            try {
+                r.run();
+            } catch (IOException e) {
+                throw new UncheckedIOException(e);
+            }
+        };
+    }
+}