Examples of com.cognifide.slice.api.injector.InjectorWithContext

Package com.cognifide.slice.api.injector

Examples of com.cognifide.slice.api.injector.InjectorWithContext

com.cognifide.slice.api.injector.InjectorWithContext

@author Rafał Malinowski @class InjectorWithContextDecoration for Guice Injector class with simple access to modyfing and restoring ContextProvider. For use in Servlets or Services use following code:

 {@code}
@Reference private InjectorsRepository injectorsRepository; final InjectorWithContext injector = injectorsRepository.getInjector(APP_NAME); final ContextProviderFactory contextProviderFactory = injector.getInstance(ContextProviderFactory.class); final SimpleContextProvider simpleContextProvider = contextProviderFactory.getSimpleContextProvider(); final ContextFactory contextFactory = injector.getInstance(ContextFactory.class); simpleContextProvider.setContext(contextFactory.getServletRequestContext(request, response)); injector.pushContextProvider(simpleContextProvider); try { ... } finally { injector.popContextProvider(); } }

to ensure that injector is left in a state that is was before. This decoration has two delegate getInstance() methods added for convenience.


    if (null == contextProvider) {
      throw new IllegalStateException("ContextProvider is not available");
    }


    final InjectorWithContext injector = injectorsRepository
        .getInjector(applicationName);
    if (injector == null) {
      throw new IllegalStateException("Guice injector not found: "
          + applicationName);
    }


    injector.pushContextProvider(contextProvider);


    try {
      final ModelProvider modelProvider = injector
          .getInstance(ModelProvider.class);
      final Resource resource = request.getResource();
      return (T) modelProvider.get(type, resource);
    } finally {
      injector.popContextProvider();
    }
  }

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    if (!(adaptable instanceof Resource)) {
      return null;
    }
    Resource resource = (Resource) adaptable;


    InjectorWithContext injector = getInjector(resource);
    try {
      ModelProvider modelProvider = injector.getInstance(ModelProvider.class);
      return modelProvider.get(type, resource);
    } finally {
      injector.popContextProvider();
    }
  }

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      injector.popContextProvider();
    }
  }


  private InjectorWithContext getInjector(Resource resource) {
    InjectorWithContext injector = repository.getInjector(injectorName);
    ContextProvider contextProvider = requestContextProvider.getContextProvider(injectorName);
    if (contextProvider == null) {
      ContextFactory factory = injector.getInstance(ContextFactory.class);
      Context context = factory.getResourceResolverContext(resource.getResourceResolver());
      contextProvider = new ConstantContextProvider(context);
    }
    injector.pushContextProvider(contextProvider);
    return injector;
  }

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com.cognifide.slice.util.SliceUtil

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