lift language level to java 7, and some code cleanup

1 files changed, 2 insertions, 3 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
index cb03970e2..ade075d55 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/WrappedSignature.java
@@ -36,7 +36,6 @@ import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
 import org.sufficientlysecure.keychain.util.Log;
 
 import java.io.IOException;
-import java.security.SignatureException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
@@ -80,7 +79,7 @@ public class WrappedSignature {
     }
 
     public ArrayList<WrappedSignature> getEmbeddedSignatures() {
-        ArrayList<WrappedSignature> sigs = new ArrayList<WrappedSignature>();
+        ArrayList<WrappedSignature> sigs = new ArrayList<>();
         if (!mSig.hasSubpackets()) {
             return sigs;
         }
@@ -255,7 +254,7 @@ public class WrappedSignature {
     }
 
     public HashMap<String,String> getNotation() {
-        HashMap<String,String> result = new HashMap<String,String>();
+        HashMap<String,String> result = new HashMap<>();
 
         // If there is any notation data
         if (mSig.getHashedSubPackets() != null