{"id":1533,"date":"2016-09-02T05:18:07","date_gmt":"2016-09-02T05:18:07","guid":{"rendered":"http:\/\/codethataint.com\/blog\/?p=1533"},"modified":"2016-09-02T16:22:30","modified_gmt":"2016-09-02T16:22:30","slug":"spring-annotations-2","status":"publish","type":"post","link":"https:\/\/codethataint.com\/blog\/spring-annotations-2\/","title":{"rendered":"Spring Annotations 2"},"content":{"rendered":"

Java Specification Request JSR 250<\/strong><\/p>\n

spring.xml<\/strong><\/p>\n

\r\n<?xml version="1.0" encoding="UTF-8"?>\r\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"\r\n\txmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" xmlns:context="http:\/\/www.springframework.org\/schema\/context"\r\n\txsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans \r\n\t    http:\/\/www.springframework.org\/schema\/beans\/spring-beans-2.5.xsd\r\n\t\thttp:\/\/www.springframework.org\/schema\/context \r\n\t\thttp:\/\/www.springframework.org\/schema\/context\/spring-context-2.5.xsd">\t\r\n\t<bean id="pointC" class="com.mugil.shapes.Point">\r\n\t\t<property name="x" value="20"\/>\r\n\t\t<property name="y" value="0"\/>\r\n\t<\/bean> \t\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>\t\r\n\t<bean class="com.mugil.shapes.Circle" id="circleId">\r\n\t<\/bean>\t\r\n\t<context:annotation-config\/>\r\n<\/beans>\r\n<\/pre>\n
circle.java<\/strong><\/p>\n
\r\npublic class Circle implements Shape{\t\t\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\t@Resource(name="pointC")\r\n\tpublic void setCenter(Point center) {\r\n\t\tthis.center = center;\r\n\t}\r\n\t\r\n\t@PostConstruct\r\n\tpublic void initilizeMe() \r\n\t{\r\n\t\tSystem.out.println("Initialized");\r\n\t}\r\n\t\r\n\t@PreDestroy\r\n\tpublic void destroyMe() \r\n\t{\r\n\t\tSystem.out.println("Derstroyed");\r\n\t}\r\n}\r\n<\/pre>\n
If name is not specified after the @Resource it will look for same name matching bean in the spring.xml file.<\/em><\/p>\n
@PostConstruct and @PreDestroy will be called when circle bean is initialized and destroyed<\/p>\n
Defining Bean using Annotations<\/strong>
\nspring.xml<\/strong><\/p>\n
\r\n<?xml version="1.0" encoding="UTF-8"?>\r\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"\r\n\txmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" xmlns:context="http:\/\/www.springframework.org\/schema\/context"\r\n\txsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans \r\n\t    http:\/\/www.springframework.org\/schema\/beans\/spring-beans-2.5.xsd\r\n\t\thttp:\/\/www.springframework.org\/schema\/context \r\n\t\thttp:\/\/www.springframework.org\/schema\/context\/spring-context-2.5.xsd">\r\n<context:component-scan base-package="com.mugil.shapes"\/>\r\n<\/beans>\r\n<\/pre>\n
circle.java<\/strong><\/p>\n
\r\n@Component\r\npublic class Circle implements Shape\r\n{\t\r\n.\r\n.\r\n}\r\n<\/pre>\n
drawingApp.java<\/strong><\/p>\n
\r\npublic class DrawingApp {\r\n\tpublic static void main(String[] args)  {\r\n\t\t AbstractApplicationContext objContext = new ClassPathXmlApplicationContext("spring1.xml");\r\n\t\t objContext.registerShutdownHook();\r\n\t\tShape objShape =  (Shape)objContext.getBean("circle");\r\n.\r\n.\r\n}\r\n<\/pre>\n
Using MessageSource<\/strong>
\nspring.xml<\/strong><\/p>\n
\r\n<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">\r\n\t\t<property name="basenames">\r\n\t\t\t<list>\r\n\t\t\t\t<value>constant<\/value>\r\n\t\t\t<\/list>\r\n\t\t<\/property>\r\n\t<\/bean>\r\n<\/pre>\n
constant.properties<\/strong><\/p>\n
\r\nTestMessage=Mugil\r\n<\/pre>\n
DrawingApp.java<\/strong><\/p>\n
\r\n AbstractApplicationContext objContext = new ClassPathXmlApplicationContext("spring1.xml");\r\nSystem.out.println(objContext.getMessage("TestMessage", null, "Default Message", null));\r\n<\/pre>\n
Output<\/strong><\/p>\n
\r\n Mugil\r\n<\/pre>\n
Using instance of Message Source in Bean Class<\/strong>
\nspring.xml<\/strong><\/p>\n
\r\n<?xml version="1.0" encoding="UTF-8"?>\r\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"\r\n\txmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" xmlns:context="http:\/\/www.springframework.org\/schema\/context"\r\n\txsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans \r\n\t    http:\/\/www.springframework.org\/schema\/beans\/spring-beans-2.5.xsd\r\n\t\thttp:\/\/www.springframework.org\/schema\/context \r\n\t\thttp:\/\/www.springframework.org\/schema\/context\/spring-context-2.5.xsd">\r\n<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">\r\n\t\t<property name="basenames">\r\n\t\t\t<list>\r\n\t\t\t\t<value>constant<\/value>\r\n\t\t\t<\/list>\r\n\t\t<\/property>\r\n\t<\/bean>\r\n\t<context:annotation-config\/>\r\n\t<context:component-scan base-package="com.mugil.shapes"\/>\r\n<\/beans>\r\n<\/pre>\n
circle.java<\/strong><\/p>\n
\r\n@Component\r\npublic class Circle implements Shape{\t\t\r\n\tprivate Point center;\r\n\t\r\n\t@Autowired\r\n\tprivate MessageSource messageSource;\t\r\n\t\r\n\t@Override\r\n\tpublic void drawShape() {\r\n\t\tSystem.out.println("Shape of Circle ");\t\t\r\n\t\tSystem.out.println(this.messageSource.getMessage("TestMessage", null, "Vannan", null));\r\n\t}\r\n\r\n\tpublic Point getCenter() {\r\n\t\treturn center;\r\n\t}\r\n\r\n\t@Resource(name="pointC")\r\n\tpublic void setCenter(Point center) {\r\n\t\tthis.center = center;\r\n\t}\r\n\t\r\n\tpublic MessageSource getMessageSource() {\r\n\t\treturn messageSource;\r\n\t}\r\n\r\n\tpublic void setMessageSource(MessageSource messageSource) {\r\n\t\tthis.messageSource = messageSource;\r\n\t}\r\n\t\r\n}\r\n<\/pre>\n
this.messageSource.getMessage(“TestMessage”, null, “Vannan”, null)<\/strong><\/p>\n
Variable substitution in Message Source<\/strong><\/p>\n
circle.java<\/strong><\/p>\n
\r\n@Component\r\npublic class Circle implements Shape{\t\t\r\n\tprivate Point center;\r\n\t\r\n\t@Autowired\r\n\tprivate MessageSource messageSource;\r\n\t\r\n\t\r\n\t@Override\r\n\tpublic void drawShape() {\r\n\t\tSystem.out.println("Center of Cirlce");\t\tSystem.out.println(this.messageSource.getMessage("TestMessage2", new Object[]{center.getX(), center.getY()}, "Vannan", null));\r\n\t}\r\n.\r\n.\r\n.\r\n}\r\n<\/pre>\n
this.messageSource.getMessage(“TestMessage2”, new Object[]{center.getX(), center.getY()}, “Vannan”, null)<\/strong><\/p>\n
constant.properties<\/strong><\/p>\n
\r\nTestMessage=Mugil\r\nTestMessage2=Center of Circle : ({0}, {1})\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Java Specification Request JSR 250 spring.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http:\/\/www.springframework.org\/schema\/beans" xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" xmlns:context="http:\/\/www.springframework.org\/schema\/context" xsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans http:\/\/www.springframework.org\/schema\/beans\/spring-beans-2.5.xsd http:\/\/www.springframework.org\/schema\/context http:\/\/www.springframework.org\/schema\/context\/spring-context-2.5.xsd"> <bean id="pointC" class="com.mugil.shapes.Point"> <property name="x" value="20"\/> <property name="y" value="0"\/> <\/bean> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="constant.properties"><\/property> <\/bean> <bean class="com.mugil.shapes.Circle" id="circleId"> <\/bean> <context:annotation-config\/> <\/beans> circle.java public class Circle implements Shape{ private Point center; @Override public void drawShape() { System.out.println("Shape of… 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-1533","post","type-post","status-publish","format-standard","hentry","category-form-elements-spring"],"_links":{"self":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1533","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=1533"}],"version-history":[{"count":7,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1533\/revisions"}],"predecessor-version":[{"id":1536,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/posts\/1533\/revisions\/1536"}],"wp:attachment":[{"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/media?parent=1533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/categories?post=1533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codethataint.com\/blog\/wp-json\/wp\/v2\/tags?post=1533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}