Use NotFoundException for handling absent pages.

No functional changes.

Author: php-coder

src/main/java/ru/mystamps/web/controller/ImageController.java

@@ -47,8 +47,7 @@ public void getImage(@PathVariable("id") Integer id, HttpServletResponse respons
 
 		Image image = imageService.findById(id);
 		if (image == null) {
-			response.sendError(HttpServletResponse.SC_NOT_FOUND);
-			return;
+			throw new NotFoundException();
 		}
 
 		// TODO: set content disposition

src/main/java/ru/mystamps/web/controller/NotFoundException.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009-2012 Slava Semushin <slava.semushin@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+package ru.mystamps.web.controller;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.NOT_FOUND)
+public class NotFoundException extends RuntimeException {
+}
+

src/main/java/ru/mystamps/web/controller/SeriesController.java

@@ -21,7 +21,6 @@
 import java.io.IOException;
 
 import javax.inject.Inject;
-import javax.servlet.http.HttpServletResponse;
 import javax.validation.groups.Default;
 
 import java.util.Calendar;
@@ -124,15 +123,11 @@ public String processInput(
 	}
 
 	@RequestMapping(value = Url.INFO_SERIES_PAGE, method = RequestMethod.GET)
-	public String showInfo(
-		@PathVariable("id") Integer id,
-		Model model,
-		HttpServletResponse response) throws IOException {
+	public String showInfo(@PathVariable("id") Integer id, Model model) throws IOException {
 
 		Series series = seriesService.findById(id);
 		if (series == null) {
-			response.sendError(HttpServletResponse.SC_NOT_FOUND);
-			return null;
+			throw new NotFoundException();
 		}
 
 		model.addAttribute("series", series);