replaced some null checks

wumpz · wumpz · commit 1ba3fa685360 · 2017-04-11T13:52:40.000+02:00
diff --git a/src/main/java/difflib/patch/Delta.java b/src/main/java/difflib/patch/Delta.java
@@ -59,15 +59,10 @@ public static enum DeltaType {
      * @param revised Chunk describing the revised text. Must not be {@code null}.
      */
     public Delta(DeltaType deltaType, Chunk<T> original, Chunk<T> revised) {
-        if (deltaType == null) {
-            throw new IllegalArgumentException("deltaType must not be null");
-        }
-        if (original == null) {
-            throw new IllegalArgumentException("original must not be null");
-        }
-        if (revised == null) {
-            throw new IllegalArgumentException("revised must not be null");
-        }
+        Objects.requireNonNull(deltaType, "deltaType must not be null");
+        Objects.requireNonNull(original, "original must not be null");
+        Objects.requireNonNull(revised, "revised must not be null");
+        
         this.deltaType = deltaType;
         this.original = original;
         this.revised = revised;
diff --git a/src/main/java/difflib/patch/Equalizer.java b/src/main/java/difflib/patch/Equalizer.java
@@ -33,5 +33,5 @@ public interface Equalizer<T> {
      * @param revised The revised element. Must not be {@code null}.
      * @return Returns true if the elements are equal.
      */
-    public boolean equals(T original, T revised);
+    boolean equals(T original, T revised);
 }

Original file line number	Diff line number	Diff line change
`@@ -33,5 +33,5 @@ public interface Equalizer<T> {`
`33`	`33`	`* @param revised The revised element. Must not be {@code null}.`
`34`	`34`	`* @return Returns true if the elements are equal.`
`35`	`35`	`*/`
`36`		`- public boolean equals(T original, T revised);`
	`36`	`+ boolean equals(T original, T revised);`
`37`	`37`	`}`