Fixes #1197, add Objects.requireNonNull and Preconditions.checkkNotNull to supported null-check styles

test/transform/resource/before/NonNullWithJdk.java

@@ -0,0 +1,34 @@
+//version 7:
+//CONF: lombok.nonNull.exceptionType = Jdk
+import static java.util.Objects.*;
+public class NonNullWithJdk {
+	@lombok.NonNull @lombok.Setter private String test;
+
+	public void testMethod(@lombok.NonNull String arg) {
+		System.out.println(arg);
+	}
+
+	public void testMethodWithCheck1(@lombok.NonNull String arg) {
+		requireNonNull(arg);
+	}
+
+	public void testMethodWithCheckAssign(@lombok.NonNull String arg) {
+		test = requireNonNull(arg);
+	}
+
+	public void testMethodWithCheck2(@lombok.NonNull String arg) {
+		java.util.Objects.requireNonNull(arg);
+	}
+
+	public void testMethodWithFakeCheck1(@lombok.NonNull String arg) {
+		requireNonNull("");
+	}
+
+	public void testMethodWithFakeCheck2(@lombok.NonNull String arg) {
+		java.util.Objects.requireNonNull(test);
+	}
+	
+	public void testMethodWithFakeCheckAssign(@lombok.NonNull String arg) {
+		test = requireNonNull(test);
+	}
+}