add message source support

Author: vgerton

src/main/java/spring/tutorial/maven/domain/Circle.java

@@ -4,14 +4,19 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.beans.factory.annotation.Required;
+import org.springframework.context.MessageSource;
 import org.springframework.stereotype.Component;
 
+import java.util.Locale;
+
 @Component
 public class Circle implements Shape{
 
     @Autowired
     @Qualifier("pointA")
     private Point center;
+    @Autowired
+    private MessageSource messageSource;
 
     public Point getCenter() {
         return center;
@@ -25,5 +30,6 @@ public void setCenter(Point center) {
     @Override
     public void draw() {
         System.out.println("Draw circle with the center: "+center);
+        System.out.println(messageSource.getMessage("greeting", null, "Default greeting!", new Locale("ru")));
     }
 }

src/main/java/spring/tutorial/maven/domain/Point.java

@@ -1,5 +1,10 @@
 package spring.tutorial.maven.domain;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.MessageSource;
+
+import java.util.Locale;
+
 /**
  * @author Mikalai Kisel
  */
@@ -8,6 +13,9 @@ public class Point {
     private int x;
     private int y;
 
+    @Autowired
+    private MessageSource messageSource;
+
     public int getX() {
         return x;
     }
@@ -26,9 +34,6 @@ public void setY(int y) {
 
     @Override
     public String toString() {
-        return "Point{" +
-                "x=" + x +
-                ", y=" + y +
-                '}';
+        return messageSource.getMessage("drawing.point", new Object[] {x, y}, "Default drawing point message!", new Locale("ru"));
     }
 }

src/main/resources/mymessages.properties

@@ -0,0 +1,2 @@
+greeting = Hello!
+drawing.point = Point ( {0}, {1})

src/main/resources/mymessages_ru.properties

@@ -0,0 +1,2 @@
+greeting = Привет!
+drawing.point = Точка ( {0}, {1})

src/main/resources/spring.xml

@@ -45,6 +45,16 @@
 
     <!--<annotation-driven/>-->
 
+    <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
+        <property name="basenames">
+            <list>
+                <value>mymessages</value>
+            </list>
+        </property>
+
+    </bean>
+
+
     <context:annotation-config/>
 
     <context:component-scan base-package="spring.tutorial.maven.domain" />