feat: implemented dependency injection mechanism #1024
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Great job on implementing the dependency injection framework! 🎉 Your code meets the core requirements and is mostly well-structured. There are a few minor improvements you could consider, such as adding @Target to your custom annotations and using ReflectiveOperationException for more specific exception handling. Also, ensure that all classes meant for injection are annotated with @Component to avoid runtime issues. Keep up the great work and happy coding! 😊
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| return instances.get(interfaceClazz); | ||
| } | ||
| Class<?> clazz = findImplementation(interfaceClazz); | ||
| if (clazz == null || !clazz.isAnnotationPresent(Component.class)) { |
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Ensure that the Component annotation is correctly applied to all classes that should be managed by the injector. If a class is missing this annotation, it will cause a RuntimeException.
| } | ||
| Class<?> clazz = findImplementation(interfaceClazz); | ||
| if (clazz == null || !clazz.isAnnotationPresent(Component.class)) { | ||
| throw new RuntimeException("No implementation found for: " + interfaceClazz.getName()); |
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Consider providing more detailed error messages or logging to help diagnose issues when no implementation is found.
| for (Field field : clazz.getDeclaredFields()) { | ||
| if (field.isAnnotationPresent(Inject.class)) { | ||
| field.setAccessible(true); | ||
| Object fieldInstance = getInstance(field.getType()); |
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Ensure that circular dependencies are not present, as this could lead to a StackOverflowError during instance creation.
feat: implemented dependency injection mechanism using @component and @Inject annotations