Merge pull request #37 from domaframework/spring-boot-2.2

Fix compile error when use Spring Boot 2.2

Author: backpaper0

doma-spring-boot-core/src/test/java/org/seasar/doma/boot/PageablesTest.java

@@ -27,22 +27,33 @@ public class PageablesTest {
 
 	@Test
 	public void testToSelectOptions() throws Exception {
-		SelectOptions options = Pageables.toSelectOptions(new PageRequest(0, 10));
+		SelectOptions options = Pageables.toSelectOptions(pageRequest(0, 10));
 		assertThat(SelectOptionsAccessor.getOffset(options), is(0L));
 		assertThat(SelectOptionsAccessor.getLimit(options), is(10L));
 	}
 
 	@Test
 	public void testToSelectOptions2() throws Exception {
-		SelectOptions options = Pageables.toSelectOptions(new PageRequest(2, 10));
+		SelectOptions options = Pageables.toSelectOptions(pageRequest(2, 10));
 		assertThat(SelectOptionsAccessor.getOffset(options), is(20L));
 		assertThat(SelectOptionsAccessor.getLimit(options), is(10L));
 	}
 
 	@Test
 	public void testToSelectOptions3() throws Exception {
-		SelectOptions options = Pageables.toSelectOptions(new PageRequest(2, 5));
+		SelectOptions options = Pageables.toSelectOptions(pageRequest(2, 5));
 		assertThat(SelectOptionsAccessor.getOffset(options), is(10L));
 		assertThat(SelectOptionsAccessor.getLimit(options), is(5L));
 	}
+
+    private static PageRequest pageRequest(int page, int size) throws Exception {
+        try {
+            // Try PageRequest.of(int, int) added since Spring Data Commons 2.0
+            return (PageRequest) PageRequest.class.getMethod("of", int.class, int.class).invoke(null, page, size);
+        } catch (NoSuchMethodException e) {
+            // If 'of' method is missing (In other words, Spring Data Commons version is less than 2.0),
+            // then it use constructor with two int arguments.
+            return PageRequest.class.getConstructor(int.class, int.class).newInstance(page, size);
+        }
+    }
 }