假设我有一个模块:
Module extends AbstractModule
{
@Override
protected void configure()
{
bind(String.class).
annotatedWith(Names.named("annotation")).
toInstance("DELIRIOUS");
}
}
我想测试模块并检查它是否在 String
字段中注入(inject)了正确的值,该字段用 Names.named("annotation")
进行了注释,但没有类和一个字段,但直接从注入(inject)器获取值:
@Test
public void test()
{
Injector injector = Guice.createInjector(new Module());
// THIS IS NOT GOING TO WORK!
String delirious = injector.getInstance(String.class);
assertThat(delirious, IsEqual.equalTo("DELIRIOUS");
}
最佳答案
injector.getInstance(Key.get(String.class, Names.named("annotation")));
关于java - 如何从 Guice 的注入(inject)器中检索带注释的实例?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5118082/