Collection Type-safe Converter

Helper library that generates type-safe generic shallow copies from:

• Raw non-generic collections; and
• Generic collections of unknown types

Summary

1. The library guarantees type safety of the values, which eliminates heap pollution
2. The need for @SuppressWarnings("unchecked") annotation is eliminated in the client code
3. Since generating a new type-safe collection has a O(N) running time, please execute caution before deciding to convert large collections

Dependencies

Gradle

repositories {
    mavenCentral()
}

dependencies { 
    compile("io.github.azagniotov:collection-type-safe-converter:1.0.1")
}

Usage

Check the TypeSafeConverter class for the available APIs.

Some examples

final Map<String, SomeType> checkedMap = TypeSafeConverter.asCheckedHashMap(rawMapObject, String.class, SomeType.class);
final Map<String, SomeType> checkedMap = TypeSafeConverter.asCheckedMap(rawMapObject, String.class, SomeType.class, new LinkedHashMap<>());
final Set<SomeType> checkedSet = TypeSafeConverter.asCheckedLinkedHashSet(rawSetObject, SomeType.class);
final Set<SomeType> checkedSet = TypeSafeConverter.asCheckedCollection(rawSetObject, SomeType.class, new HashSet<>());
final Iterable<AnotherType> checkedSet = TypeSafeConverter.asCheckedIterable(rawSetObject, AnotherType.class);
final SomeType someType = TypeSafeConverter.as(SomeType.class, objectInstance)

License

MIT