Think of a GrantedAuthority as being a “permission” or a “right”. Those “permissions” are (normally) expressed as strings (with the getAuthority() method). Those strings let you identify the permissions and let your voters decide if they grant access to something. You can grant different GrantedAuthoritys (permissions) to users by putting them into the security context. … Read more
You can do this in Spring 3 using EL support. Example: @Value(“#{systemProperties.databaseName}”) public void setDatabaseName(String dbName) { … } @Value(“#{strategyBean.databaseKeyGenerator}”) public void setKeyGenerator(KeyGenerator kg) { … } systemProperties is an implicit object and strategyBean is a bean name. One more example, which works when you want to grab a property from a Properties object. It … Read more
Using Spring EL: @Value(“#{‘${my.list.of.strings}’.split(‘,’)}”) private List<String> myList; Assuming your properties file is loaded correctly with the following: my.list.of.strings=ABC,CDE,EFG
Hibernate is a JPA implementation, while Spring Data JPA is a JPA data access abstraction. Spring Data JPA cannot work without a JPA provider. Spring Data offers a solution to the DDD Repository pattern or the legacy GenericDao custom implementations. It can also generate JPA queries on your behalf through method name conventions. With Spring … Read more
I had a similar problem when running a spring web application in an Eclipse managed tomcat. I solved this problem by adding maven dependencies in the project’s web deployment assembly. Open the project’s properties (e.g., right-click on the project’s name in the project explorer and select “Properties”). Select “Deployment Assembly”. Click the “Add…” button on … Read more
The problem is that a cast is a runtime check – but due to type erasure, at runtime there’s actually no difference between a HashMap<String,String> and HashMap<Foo,Bar> for any other Foo and Bar. Use @SuppressWarnings(“unchecked”) and hold your nose. Oh, and campaign for reified generics in Java 🙂
You don’t need to use java variables. To include system env variables add the following to your application.properties file: spring.datasource.url = ${OPENSHIFT_MYSQL_DB_HOST}:${OPENSHIFT_MYSQL_DB_PORT}/”nameofDB” spring.datasource.username = ${OPENSHIFT_MYSQL_DB_USERNAME} spring.datasource.password = ${OPENSHIFT_MYSQL_DB_PASSWORD} But the way suggested by @Stefan Isele is more preferable, because in this case you have to declare just one env variable: spring.profiles.active. Spring will read the … Read more
Don’t write any Interceptors, Filters, Components, Aspects, etc., this is a very common problem and has been solved many times over. Spring Boot has a modules called Actuator, which provides HTTP request logging out of the box. There’s an endpoint mapped to /trace (SB1.x) or /actuator/httptrace (SB2.0+) which will show you last 100 HTTP requests. … Read more
You can call andReturn() and use the returned MvcResult object to get the content as a String. See below: MvcResult result = mockMvc.perform(post(“/api/users”).header(“Authorization”, base64ForTestUser).contentType(MediaType.APPLICATION_JSON) .content(“{\”userName\”:\”testUserDetails\”,\”firstName\”:\”xxx\”,\”lastName\”:\”xxx\”,\”password\”:\”xxx\”}”)) .andDo(MockMvcResultHandlers.print()) .andExpect(status().isBadRequest()) .andReturn(); String content = result.getResponse().getContentAsString(); // do what you will
TL;DR The @Autowired annotation spares you the need to do the wiring by yourself in the XML file (or any other way) and just finds for you what needs to be injected where and does that for you. Full explanation The @Autowired annotation allows you to skip configurations elsewhere of what to inject and just … Read more