lift language level to java 7, and some code cleanup

4 files changed, 5 insertions, 6 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/CertifyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/CertifyOperation.java
index a5eb95b07..3b391814e 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/CertifyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/CertifyOperation.java
@@ -78,7 +78,7 @@ public class CertifyOperation extends BaseOperation {
             return new CertifyResult(CertifyResult.RESULT_ERROR, log);
         }
 
-        ArrayList<UncachedKeyRing> certifiedKeys = new ArrayList<UncachedKeyRing>();
+        ArrayList<UncachedKeyRing> certifiedKeys = new ArrayList<>();
 
         log.add(LogType.MSG_CRT_CERTIFYING, 1);
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/EditKeyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/EditKeyOperation.java
index ebbd45856..106c62688 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/EditKeyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/EditKeyOperation.java
@@ -11,7 +11,6 @@ import org.sufficientlysecure.keychain.pgp.Progressable;
 import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
 import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
-import org.sufficientlysecure.keychain.service.CertifyActionsParcel;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
 import org.sufficientlysecure.keychain.operations.results.SaveKeyringResult;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
index 6ca28142f..cd8a33c20 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/ImportExportOperation.java
@@ -137,7 +137,7 @@ public class ImportExportOperation extends BaseOperation {
         }
 
         int newKeys = 0, oldKeys = 0, badKeys = 0, secret = 0;
-        ArrayList<Long> importedMasterKeyIds = new ArrayList<Long>();
+        ArrayList<Long> importedMasterKeyIds = new ArrayList<>();
 
         boolean cancelled = false;
         int position = 0;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
index b30552e49..d025727b5 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
@@ -735,7 +735,7 @@ public abstract class OperationResult implements Parcelable {
 
     public static class OperationLog implements Iterable<LogEntryParcel> {
 
-        private final List<LogEntryParcel> mParcels = new ArrayList<LogEntryParcel>();
+        private final List<LogEntryParcel> mParcels = new ArrayList<>();
 
         /// Simple convenience method
         public void add(LogType type, int indent, Object... parameters) {
@@ -760,7 +760,7 @@ public abstract class OperationResult implements Parcelable {
         }
 
         public boolean containsType(LogType type) {
-            for(LogEntryParcel entry : new IterableIterator<LogEntryParcel>(mParcels.iterator())) {
+            for(LogEntryParcel entry : new IterableIterator<>(mParcels.iterator())) {
                 if (entry.mType == type) {
                     return true;
                 }
@@ -769,7 +769,7 @@ public abstract class OperationResult implements Parcelable {
         }
 
         public boolean containsWarnings() {
-            for(LogEntryParcel entry : new IterableIterator<LogEntryParcel>(mParcels.iterator())) {
+            for(LogEntryParcel entry : new IterableIterator<>(mParcels.iterator())) {
                 if (entry.mType.mLevel == LogLevel.WARN || entry.mType.mLevel == LogLevel.ERROR) {
                     return true;
                 }