Add a plain JPA sample application

Closes gh-1761

spring-boot-samples/spring-boot-sample-jpa/src/main/java/sample/jpa/web/IndexController.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012-2014 the original author or authors.
+ *
+ * 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.
+ */
+
+package sample.jpa.web;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+import sample.jpa.domain.Note;
+import sample.jpa.repository.NoteRepository;
+
+@Controller
+public class IndexController {
+
+	@Autowired
+	private NoteRepository noteRepository;
+
+	@RequestMapping("/")
+	@Transactional(readOnly = true)
+	public ModelAndView index() {
+		List<Note> notes = this.noteRepository.findAll();
+		ModelAndView modelAndView = new ModelAndView("index");
+		modelAndView.addObject("notes", notes);
+		return modelAndView;
+	}
+
+}