package com.planet_ink.coffee_mud.core.collections;
import java.util.*;
/*
Copyright 2010-2016 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 ConvertingList<L,K> implements List<K>
{
private final List<L> list;
Converter<L, K> converter;
public ConvertingList(List<L> l, Converter<L, K> conv)
{
list=l;
converter=conv;
}
@Override
public boolean add(K arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public void add(int arg0, K arg1)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean addAll(Collection<? extends K> arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean addAll(int arg0, Collection<? extends K> arg1)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public void clear()
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean contains(Object arg0)
{
for(int x=0;x<size();x++)
if((arg0==null)?get(x)==null:arg0.equals(get(x)))
return true;
return list.contains(arg0);
}
@Override
public boolean containsAll(Collection<?> arg0)
{
for(final Object o : arg0)
if(!contains(o))
return false;
return true;
}
@Override
public K get(int arg0)
{
return converter.convert(list.get(arg0));
}
@Override
public int indexOf(Object arg0)
{
for(int x=0;x<size();x++)
if((arg0==null)?get(x)==null:arg0.equals(get(x)))
return x;
return list.lastIndexOf(arg0);
}
@Override
public boolean isEmpty()
{
return list.isEmpty();
}
@Override
public Iterator<K> iterator()
{
return new ConvertingIterator<L, K>(list.iterator(),converter);
}
@Override
public int lastIndexOf(Object arg0)
{
for(int x=size()-1;x>=0;x--)
if((arg0==null)?get(x)==null:arg0.equals(get(x)))
return x;
return list.lastIndexOf(arg0);
}
@Override
public ListIterator<K> listIterator()
{
return new ConvertingListIterator<L,K>(list.listIterator(), converter);
}
@Override
public ListIterator<K> listIterator(int arg0)
{
return new ConvertingListIterator<L,K>(list.listIterator(arg0), converter);
}
@Override
public boolean remove(Object arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public K remove(int arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean removeAll(Collection<?> arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public boolean retainAll(Collection<?> arg0)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public K set(int arg0, K arg1)
{
throw new java.lang.IllegalArgumentException();
}
@Override
public int size()
{
return list.size();
}
@Override
public List<K> subList(int arg0, int arg1)
{
return new ConvertingList<L,K>(list.subList(arg0,arg1),converter);
}
@Override
public Object[] toArray()
{
final Object[] obj=new Object[list.size()];
for(int x=obj.length-1;x>=0;x--)
obj[x]=converter.convert(list.get(x));
return obj;
}
@SuppressWarnings("unchecked")
@Override
public <T> T[] toArray(T[] a)
{
if (a.length < list.size())
return (T[]) Arrays.copyOf(toArray(), list.size(), a.getClass());
System.arraycopy(toArray(), 0, a, 0, list.size());
if (a.length > list.size())
a[list.size()] = null;
return a;
}
}
