Пример #1
0
  public Object inject(InjectionContext context) {
    if (injectionProvider == null) {
      return null;
    }
    Object injectedValue;
    try {
      injectedValue = injectionProvider.provideInjection(context);
    } catch (InjectionProviderException e) {
      Throwable ex = e;
      if (ex.getCause() != null) {
        ex = ex.getCause();
      }

      String message =
          "InjectionProvider unable to resolve @"
              + injectionAnnotation.annotationType().getSimpleName()
              + " "
              + injectionType.toString();
      throw new ConstructionException(message, ex);
    }
    if (injectedValue == null && !optional) {
      String message =
          "Non-optional @"
              + injectionAnnotation.annotationType().getSimpleName()
              + " "
              + injectionType.toString()
              + " was null in "
              + injectedClass.getName();
      throw new ConstructionException(message);
    }
    return getInjectedValue(injectedValue);
  }
Пример #2
0
  public void bind(Resolution resolution) throws BindingException {
    InjectionProviderFactory providerFactory = resolution.application().injectionProviderFactory();

    try {
      injectionProvider = providerFactory.newInjectionProvider(resolution, this);

      if (injectionProvider == null && !optional) {
        String message =
            "Non-optional @"
                + rawInjectionClass.getName()
                + " was not bound in "
                + injectedClass.getName();
        throw new ConstructionException(message);
      }
    } catch (InvalidInjectionException e) {
      throw new BindingException("Could not bind dependency injection", e);
    }
  }
Пример #3
0
 private Class<?> mapPrimitiveTypes(Class<?> rawInjectionType) {
   if (rawInjectionType == null || !rawInjectionType.isPrimitive()) {
     return rawInjectionType;
   }
   for (int i = 0; i < primitiveTypeMapping.length; i += 2) {
     if (primitiveTypeMapping[i].equals(rawInjectionType)) {
       return primitiveTypeMapping[i + 1];
     }
   }
   return rawInjectionType;
 }
Пример #4
0
  private Annotation[][] getConstrucxtorAnnotations(Class fragmentClass, Constructor constructor) {
    Annotation[][] parameterAnnotations;
    if (fragmentClass.getName().endsWith("_Stub")) {
      try {
        Class[] constructorParameterTypes = constructor.getParameterTypes();
        Class fragmentSuperClass = fragmentClass.getSuperclass();
        Constructor realConstructor =
            fragmentSuperClass.getDeclaredConstructor(constructorParameterTypes);
        parameterAnnotations = realConstructor.getParameterAnnotations();
      } catch (NoSuchMethodException e) {
        // Shouldn't happen
        throw new InternalError(
            "Could not get real constructor of class " + fragmentClass.getName());
      }
    } else {
      parameterAnnotations = constructor.getParameterAnnotations();
    }

    return parameterAnnotations;
  }
Пример #5
0
  public ConstructorsModel(Class fragmentClass) {
    this.fragmentClass = fragmentClass;

    constructorModels = new ArrayList<ConstructorModel>();
    Constructor[] realConstructors = this.fragmentClass.getDeclaredConstructors();
    Class injectionClass =
        fragmentClass.getName().endsWith("_Stub")
            ? fragmentClass.getSuperclass()
            : this.fragmentClass;
    for (int i = 0; i < realConstructors.length; i++) {
      Constructor constructor = realConstructors[i];
      try {
        Constructor injectionConstructor =
            injectionClass.getConstructor(constructor.getParameterTypes());
        ConstructorModel constructorModel =
            newConstructorModel(this.fragmentClass, constructor, injectionConstructor);
        if (constructorModel != null) {
          constructorModels.add(constructorModel);
        }
      } catch (NoSuchMethodException e) {
        // Ignore and continue
      }
    }
  }
Пример #6
0
  private Object getInjectedValue(Object injectionResult) {
    if (injectionResult == null) {
      return null;
    }

    if (injectionResult instanceof Iterable) {
      if (Iterable.class.isAssignableFrom(rawInjectionClass)
          || rawInjectionClass.isInstance(injectionResult)) {
        return injectionResult;
      } else {
        return firstElementOrNull((Iterable) injectionResult);
      }
    } else {
      if (Iterable.class.equals(injectionType)) {
        return Collections.singleton(injectionResult);
      }
    }
    return injectionResult;
  }
Пример #7
0
  public void bind(Resolution resolution) throws BindingException {
    boundConstructors = new ArrayList<ConstructorModel>();
    for (ConstructorModel constructorModel : constructorModels) {
      try {
        constructorModel.bind(resolution);
        boundConstructors.add(constructorModel);
      } catch (Exception e) {
        // Ignore
        e.printStackTrace();
      }
    }

    if (boundConstructors.size() == 0) {
      StringBuilder messageBuilder =
          new StringBuilder("Found no constructor that could be bound: ");
      if (resolution.object() instanceof AbstractCompositeDescriptor) {
        messageBuilder
            .append(fragmentClass.getName())
            .append(" in ")
            .append(resolution.object().toString());
      } else {
        messageBuilder.append(resolution.object().toString());
      }

      if (messageBuilder.indexOf("$") >= 0) {
        messageBuilder.append("\nNon-static inner classes can not be used.");
      }

      String message = messageBuilder.toString();
      throw new BindingException(message);
    }

    // Sort based on parameter count
    Collections.sort(
        boundConstructors,
        new Comparator<ConstructorModel>() {
          public int compare(ConstructorModel o1, ConstructorModel o2) {
            Integer model2ParametersCount = o2.constructor().getParameterTypes().length;
            int model1ParametersCount = o1.constructor().getParameterTypes().length;
            return model2ParametersCount.compareTo(model1ParametersCount);
          }
        });
  }
Пример #8
0
 @Override
 public String toString() {
   return injectionAnnotation + " for " + injectionType + " in " + injectedClass.getName();
 }
Пример #9
0
 public boolean hasScope(final Class<? extends Annotation> scope) {
   return scope == null || scope.equals(injectionAnnotation().annotationType());
 }