Example usage for java.util Collections unmodifiableNavigableSet

Introduction

In this page you can find the example usage for java.util Collections unmodifiableNavigableSet.

Prototype

public static <T> NavigableSet<T> unmodifiableNavigableSet(NavigableSet<T> s) 

Source Link

Document

Returns an unmodifiable view of the specified navigable set.

Usage

From source file:org.diorite.config.impl.ConfigPropertyTemplateImpl.java

@Nullable
@Override/*from w w w.  java 2  s.c  o  m*/
public T get(ConfigPropertyValue<T> propertyValue) {
    T rawValue = propertyValue.getRawValue();
    if (rawValue == null) {
        return null;
    }
    if (this.returnUnmodifiableCollections) {
        if (rawValue instanceof Collection) {
            if (rawValue instanceof Set) {
                if (rawValue instanceof NavigableSet) {
                    return (T) Collections.unmodifiableNavigableSet((NavigableSet<?>) rawValue);
                }
                if (rawValue instanceof SortedSet) {
                    return (T) Collections.unmodifiableSortedSet((SortedSet<?>) rawValue);
                }
                return (T) Collections.unmodifiableSet((Set<?>) rawValue);
            }
            if (rawValue instanceof List) {
                return (T) Collections.unmodifiableList((List<?>) rawValue);
            }
            return (T) Collections.unmodifiableCollection((Collection<?>) rawValue);
        } else if (rawValue instanceof Map) {
            if (rawValue instanceof NavigableMap) {
                return (T) Collections.unmodifiableNavigableMap((NavigableMap<?, ?>) rawValue);
            }
            if (rawValue instanceof SortedMap) {
                return (T) Collections.unmodifiableSortedMap((SortedMap<?, ?>) rawValue);
            }
            return (T) Collections.unmodifiableMap((Map<?, ?>) rawValue);
        }
    }
    return rawValue;
}

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