drools-eclipse/org.guvnor.eclipse.webdav/src/kernel/org/eclipse/webdav/internal/kernel/utils/NestedHashtable.java
public Object get(Object key) {
        Object value = localValues.get(key);
        if (value == null && defaults != null)
            return defaults.get(key);
        return value;
    }
public Object get(Object key) {
        Object value = localValues.get(key);
        if (value == null && defaults != null)
            return defaults.get(key);
        return value;
    }
Return the value for the given key.

@param key the key to look up
@return the value for the key or null if none.