android: Use try-with-resources for IO

diff --git a/src/frontends/android/app/src/main/java/org/strongswan/android/logic/CharonVpnService.java b/src/frontends/android/app/src/main/java/org/strongswan/android/logic/CharonVpnService.java
index 6bd5e6bc403badfa9b6b5303f09154cc08ad36db..5f5b2a1879e75731506abc97794a6f6313aa733f 100644 (file)
--- a/src/frontends/android/app/src/main/java/org/strongswan/android/logic/CharonVpnService.java
+++ b/src/frontends/android/app/src/main/java/org/strongswan/android/logic/CharonVpnService.java
@@ -1037,9 +1037,8 @@ public class CharonVpnService extends VpnService implements Runnable, VpnStateSe
                        @Override
                        public synchronized void run()
                        {
-                               try
+                               try (FileInputStream plain = new FileInputStream(mFd.getFileDescriptor()))
                                {
-                                       FileInputStream plain = new FileInputStream(mFd.getFileDescriptor());
                                        ByteBuffer packet = ByteBuffer.allocate(mCache.mMtu);
                                        while (true)
                                        {
@@ -1073,7 +1072,7 @@ public class CharonVpnService extends VpnService implements Runnable, VpnStateSe
                                                }
                                        }
                                }
-                               catch (ClosedByInterruptException | InterruptedException e)
+                               catch (final ClosedByInterruptException | InterruptedException e)
                                {
                                        /* regular interruption */
                                }