removed comparator

src/main/java/difflib/patch/DeltaComparator.java

@@ -1,48 +0,0 @@
-/*-
- * #%L
- * java-diff-utils
- * %%
- * Copyright (C) 2009 - 2017 java-diff-utils
- * %%
- * 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.
- * #L%
- */
-package difflib.patch;
-
-import java.io.Serializable;
-import java.util.Comparator;
-
-/**
- * @author mksenzov
- * @param T The type of the compared elements in the 'lines'.
- */
-public class DeltaComparator implements Comparator<Delta<?>>, Serializable {
-
-    private static final long serialVersionUID = 1L;
-    public static final Comparator<Delta<?>> INSTANCE = new DeltaComparator();
-
-    private DeltaComparator() {
-    }
-
-    @Override
-    public int compare(final Delta<?> a, final Delta<?> b) {
-        final int posA = a.getOriginal().getPosition();
-        final int posB = b.getOriginal().getPosition();
-        if (posA > posB) {
-            return 1;
-        } else if (posA < posB) {
-            return -1;
-        }
-        return 0;
-    }
-}

src/main/java/difflib/patch/Patch.java

@@ -20,6 +20,7 @@ limitations under the License.
 package difflib.patch;
 
 import java.util.Collections;
+import static java.util.Comparator.comparing;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.ListIterator;
@@ -81,7 +82,7 @@ public final class Patch<T> {
      * @return the deltas
      */
     public List<Delta<T>> getDeltas() {
-        Collections.sort(deltas, DeltaComparator.INSTANCE);
+        Collections.sort(deltas, comparing(d -> d.getOriginal().getPosition()));
         return deltas;
     }
 }