public ModelClass lookup()

in src/main/java/org/apache/sling/models/impl/AdapterImplementations.java [192:227]
28 lines of code
9 McCabe index (conditional complexity)

    public <ModelType> ModelClass<ModelType> lookup(Class<ModelType> adapterType, Object adaptable) {
        String key = adapterType.getName();

        // lookup in cache for models without adapter classes
        ModelClass<ModelType> modelClass = (ModelClass<ModelType>)modelClasses.get(key);
        if (modelClass!=null) {
            return modelClass;
        }

        // not found? look in cache with adapter classes
        ConcurrentNavigableMap<String,ModelClass<?>> implementations = adapterImplementations.get(key);
        if (implementations==null || implementations.isEmpty()) {
            return null;
        }
        Collection<ModelClass<?>> implementationsCollection = implementations.values();
        ModelClass<?>[] implementationWrappersArray = implementationsCollection.toArray(new ModelClass<?>[implementationsCollection.size()]);

        // prepare array for implementation picker
        Class<?>[] implementationsArray = new Class<?>[implementationsCollection.size()];
        for (int i=0; i<implementationWrappersArray.length; i++) {
            implementationsArray[i] = implementationWrappersArray[i].getType();
        }

        for (ImplementationPicker picker : this.sortedImplementationPickers) {
            Class<?> implementation = picker.pick(adapterType, implementationsArray, adaptable);
            if (implementation != null) {
                for (int i=0; i<implementationWrappersArray.length; i++) {
                    if (implementation==implementationWrappersArray[i].getType()) {
                        return (ModelClass<ModelType>)implementationWrappersArray[i];
                    }
                }
            }
        }

        return null;
    }