In Spring,you can use dependency checking feature to make sure the required properties have been set or injected. Dependency checking modes 4 dependency checking modes are supported: none – No dependency checking. simple – If any properties of primit…
Spring's dependency checking in bean configuration file is used to make sure all properties of a certain types (primitive, collection or object) have been set. In most scenarios, you just need to make sure a particular property has been set, but not…
小结: 1. Dependency Injection is merely one concrete example of Inversion of Control. 依赖注入是仅仅是控制反转的一个具体例子. 2. Dependency Injection helps in gluing these classes together and at the same time keeping them independent. 依赖注入既使类粘合又使类分离. 3. For example, cla…
We might have some project specific configuration need to setup. The good approach to do this in Sprint is using 'Proptries'. In resouces/applicationContext.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http:/…
Unable to locate Spring NamespaceHandler for XML schema namespace [ spring secutity dependency: <!-- Spring Security --> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-core</artifa…
