package com.planet_ink.coffee_mud.core.collections;
import java.util.Collection;
import java.util.Comparator;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
/*
Copyright 2010-2019 Bo Zimmerman
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
public class ReadOnlySortedMap<K, V> implements SortedMap<K, V>
{
private final SortedMap<K, V> map;
public ReadOnlySortedMap(final SortedMap<K, V> s)
{
map = s;
}
public ReadOnlySortedMap()
{
map = new TreeMap<K,V>();
}
@Override
public Comparator<? super K> comparator()
{
return map.comparator();
}
@Override
public Set<java.util.Map.Entry<K, V>> entrySet()
{
return new ReadOnlySet<java.util.Map.Entry<K, V>>(map.entrySet());
}
@Override
public K firstKey()
{
return map.firstKey();
}
@Override
public SortedMap<K, V> headMap(final K toKey)
{
return new ReadOnlySortedMap<K, V>(map.headMap(toKey));
}
@Override
public Set<K> keySet()
{
return new ReadOnlySet<K>(map.keySet());
}
@Override
public K lastKey()
{
return map.lastKey();
}
@Override
public SortedMap<K, V> subMap(final K fromKey, final K toKey)
{
return new ReadOnlySortedMap<K, V>(map.subMap(fromKey, toKey));
}
@Override
public SortedMap<K, V> tailMap(final K fromKey)
{
return new ReadOnlySortedMap<K, V>(map.tailMap(fromKey));
}
@Override
public Collection<V> values()
{
return new ReadOnlyCollection<V>(map.values());
}
@Override
public void clear()
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean containsKey(final Object key)
{
return map.containsKey(key);
}
@Override
public boolean containsValue(final Object value)
{
return map.containsValue(value);
}
@Override
public V get(final Object key)
{
return map.get(key);
}
@Override
public boolean isEmpty()
{
return map.isEmpty();
}
@Override
public V put(final K key, final V value)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public void putAll(final Map<? extends K, ? extends V> m)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public V remove(final Object key)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public int size()
{
return map.size();
}
}
