Cleanup data in LocalUriFetcher

library/robolectric/src/com/bumptech/glide/load/resource/LocalUriFetcherTest.java

+package com.bumptech.glide.load.resource;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+import com.bumptech.glide.Priority;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+
+import java.io.Closeable;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+@RunWith(RobolectricTestRunner.class)
+public class LocalUriFetcherTest {
+    private TestLocalUriFetcher fetcher;
+
+    @Before
+    public void setUp() {
+        fetcher = new TestLocalUriFetcher(Robolectric.application, Uri.parse("content://empty"));
+    }
+
+    @Test
+    public void testClosesDataOnCleanup() throws Exception {
+        Closeable closeable = fetcher.loadResource(Priority.NORMAL);
+        fetcher.cleanup();
+
+        verify(closeable).close();
+    }
+
+    @Test
+    public void testDoesNotCLoseNullData() throws IOException {
+        fetcher.cleanup();
+
+        verify(fetcher.closeable, never()).close();
+    }
+
+    @Test
+    public void testHandlesExceptionOnClose() throws Exception {
+        Closeable closeable = fetcher.loadResource(Priority.NORMAL);
+
+        doThrow(new IOException("Test")).when(closeable).close();
+        fetcher.cleanup();
+        verify(closeable).close();
+    }
+
+    private static class TestLocalUriFetcher extends LocalUriFetcher<Closeable> {
+        public Closeable closeable = mock(Closeable.class);
+        public TestLocalUriFetcher(Context context, Uri uri) {
+            super(context, uri);
+        }
+
+        @Override
+        protected Closeable loadResource(Uri uri, ContentResolver contentResolver) throws FileNotFoundException {
+            return closeable;
+        }
+    }
+}

library/src/com/bumptech/glide/load/resource/LocalUriFetcher.java

@@ -3,17 +3,22 @@ package com.bumptech.glide.load.resource;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.net.Uri;
+import android.util.Log;
 import com.bumptech.glide.Priority;
 
+import java.io.Closeable;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.lang.ref.WeakReference;
 
 /**
  *
  */
-public abstract class LocalUriFetcher<T> implements ResourceFetcher<T> {
+public abstract class LocalUriFetcher<T extends Closeable> implements ResourceFetcher<T> {
+    private static final String TAG = "LocalUriFetcher";
     private final WeakReference<Context> contextRef;
     private final Uri uri;
+    private T data;
 
     /**
      * Opens an input stream for a uri pointing to a local asset. Only certain uris are supported
@@ -37,14 +42,23 @@ public abstract class LocalUriFetcher<T> implements ResourceFetcher<T> {
             throw new NullPointerException("Context has been cleared in LocalUriFetcher uri: " + uri);
         }
         ContentResolver contentResolver = context.getContentResolver();
-        return loadResource(uri, contentResolver);
+        data = loadResource(uri, contentResolver);
+        return data;
     }
 
     @Override
     public void cleanup() {
-        // Do nothing.
-    }
+        if (data != null) {
+            try {
+                data.close();
+            } catch (IOException e) {
+                if (Log.isLoggable(TAG, Log.VERBOSE)) {
+                    Log.v(TAG, "failed to close data", e);
+                }
+            }
 
+        }
+    }
 
     @Override
     public void cancel() {