{"id":1524,"date":"2016-09-01T12:54:25","date_gmt":"2016-09-01T12:54:25","guid":{"rendered":"http:\/\/codethataint.com\/blog\/?p=1524"},"modified":"2016-09-01T14:07:12","modified_gmt":"2016-09-01T14:07:12","slug":"accessing-beans-2","status":"publish","type":"post","link":"https:\/\/codethataint.com\/blog\/accessing-beans-2\/","title":{"rendered":"Accessing Beans 2"},"content":{"rendered":"

Reading constant from properties file<\/strong>
\nconstant.properties<\/strong><\/p>\n

\r\nPointA.PointX=-20\r\nPointA.PointY=0\r\n<\/pre>\n
spring.xml<\/strong><\/p>\n
\r\n<beans>\r\n\t<bean id="pointA" class="com.mugil.shapes.Point">\r\n\t\t<property name="x" value="${PointA.PointX}"\/>\r\n\t\t<property name="y" value="${PointA.PointY}"\/>\r\n\t<\/bean>\r\n\t<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">\r\n\t\t<property name="location" value="constant.properties"><\/property>\r\n\t<\/bean>\r\n<\/beans>\r\n<\/pre>\n
Using Interface<\/strong>
\nspring.xml<\/strong><\/p>\n
\r\n<beans>\r\n\t<bean id="pointA" class="com.mugil.shapes.Point">\r\n\t\t<property name="x" value="${PointA.PointX}"\/>\r\n\t\t<property name="y" value="${PointA.PointY}"\/>\r\n\t<\/bean>\r\n\t<bean class="com.mugil.shapes.Circle" id="circleId">\r\n\t\t<property name="center" ref="pointA"\/>\r\n\t<\/bean>\r\n<\/beans>\r\n<\/pre>\n
shape.java<\/strong><\/p>\n
\r\npublic interface Shape { \r\n\tpublic void drawShape();\r\n}\r\n<\/pre>\n
triangle.java<\/strong><\/p>\n
\r\npublic class Triangle implements Shape\r\n{\r\n public void drawShape()\r\n {\r\n   System.out.println("Shape of Triangle");\r\n }\r\n}\r\n<\/pre>\n
circle.java<\/strong><\/p>\n
\r\npublic class Circle implements Shape{\r\n\tprivate Point center;\r\n\t\r\n\t@Override\r\n\tpublic void drawShape() {\r\n\t\tSystem.out.println("Shape of Circle ");\r\n\t\tSystem.out.println("Center of Cirlce "+ getCenter().getX() + " - " + getCenter().getY());\r\n\t}\r\n\r\n\tpublic Point getCenter() {\r\n\t\treturn center;\r\n\t}\r\n\r\n\tpublic void setCenter(Point center) {\r\n\t\tthis.center = center;\r\n\t}\t\t\r\n}\r\n\r\n<\/pre>\n
The objShape  will call the draw method based on the instance referenced at runtime<\/strong>
\nshape.java<\/strong><\/p>\n
\r\npublic class DrawingApp {\r\n\tpublic static void main(String[] args)  {\r\n\t\t ApplicationContext objContext = new ClassPathXmlApplicationContext("spring1.xml");\r\n\t\tShape objShape =  (Shape)objContext.getBean("circleId");\r\n\t\tobjShape.drawShape();\r\n\t}\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Reading constant from properties file constant.properties PointA.PointX=-20 PointA.PointY=0 spring.xml <beans> <bean id="pointA" class="com.mugil.shapes.Point"> <property name="x" value="${PointA.PointX}"\/> <property name="y" value="${PointA.PointY}"\/> <\/bean> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="constant.properties"><\/property> <\/bean> <\/beans> Using Interface spring.xml <beans> <bean id="pointA" class="com.mugil.shapes.Point"> <property name="x" value="${PointA.PointX}"\/> <property name="y" value="${PointA.PointY}"\/> <\/bean> <bean class="com.mugil.shapes.Circle" id="circleId"> <property name="center" ref="pointA"\/> <\/bean> <\/beans> shape.java public interface Shape { public… Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189],"tags":[],"class_list":["post-1524","post","type-post","status-publish","format-standard","hentry","category-form-elements-spring"],"_links":{"self":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/comments?post=1524"}],"version-history":[{"count":3,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1524\/revisions"}],"predecessor-version":[{"id":1527,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1524\/revisions\/1527"}],"wp:attachment":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/media?parent=1524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/categories?post=1524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/tags?post=1524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}