Changeset 9371 in josm for trunk/src/org/openstreetmap/josm/command/ChangePropertyCommand.java

Timestamp:

2016-01-09T23:20:37+01:00 (9 years ago)

Author:

simon04

Message:

Java 7: use Objects.equals and Objects.hash

File:

• trunk/src/org/openstreetmap/josm/command/ChangePropertyCommand.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/command/ChangePropertyCommand.java

@@ -14 +14 @@
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 import javax.swing.Icon;
@@ -249 +250 @@
     @Override
     public int hashCode() {
-        final int prime = 31;
-        int result = super.hashCode();
-        result = prime * result + ((objects == null) ? 0 : objects.hashCode());
-        result = prime * result + ((tags == null) ? 0 : tags.hashCode());
-        return result;
+        return Objects.hash(super.hashCode(), objects, tags);
     }
 
     @Override
     public boolean equals(Object obj) {
-        if (this == obj)
-            return true;
-        if (!super.equals(obj))
-            return false;
-        if (getClass() != obj.getClass())
-            return false;
-        ChangePropertyCommand other = (ChangePropertyCommand) obj;
-        if (objects == null) {
-            if (other.objects != null)
-                return false;
-        } else if (!objects.equals(other.objects))
-            return false;
-        if (tags == null) {
-            if (other.tags != null)
-                return false;
-        } else if (!tags.equals(other.tags))
-            return false;
-        return true;
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        if (!super.equals(obj)) return false;
+        ChangePropertyCommand that = (ChangePropertyCommand) obj;
+        return Objects.equals(objects, that.objects) &&
+                Objects.equals(tags, that.tags);
     }
 }