package com.planet_ink.coffee_mud.core.collections; import java.util.*; /* Copyright 2012-2019 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 ReadOnlyFilteredList<K> implements List<K> { private final List<K> list; private final Filterer<K> filterer; public ReadOnlyFilteredList(final List<K> l, final Filterer<K> fill) { list=l; filterer=fill; } @Override public boolean add(final K arg0) { throw new java.lang.IllegalArgumentException(); } @Override public void add(final int arg0, final K arg1) { throw new java.lang.IllegalArgumentException(); } @Override public boolean addAll(final Collection<? extends K> arg0) { throw new java.lang.IllegalArgumentException(); } @Override public boolean addAll(final int arg0, final Collection<? extends K> arg1) { throw new java.lang.IllegalArgumentException(); } @Override public void clear() { throw new java.lang.IllegalArgumentException(); } @Override public boolean contains(final 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(final Collection<?> arg0) { for(final Object o : arg0) { if(!contains(o)) return false; } return true; } @Override public K get(final int arg0) { return list.get(arg0); } @Override public int indexOf(final 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 FilteredIterator<K>(list.iterator(),filterer); } @Override public int lastIndexOf(final 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 FilteredListIterator<K>(list.listIterator(), filterer); } @Override public ListIterator<K> listIterator(final int arg0) { return new FilteredListIterator<K>(list.listIterator(arg0), filterer); } @Override public boolean remove(final Object arg0) { throw new java.lang.IllegalArgumentException(); } @Override public K remove(final int arg0) { throw new java.lang.IllegalArgumentException(); } @Override public boolean removeAll(final Collection<?> arg0) { throw new java.lang.IllegalArgumentException(); } @Override public boolean retainAll(final Collection<?> arg0) { throw new java.lang.IllegalArgumentException(); } @Override public K set(final int arg0, final K arg1) { throw new java.lang.IllegalArgumentException(); } @Override public int size() { return list.size(); } @Override public List<K> subList(final int arg0, final int arg1) { return new ReadOnlyFilteredList<K>(list.subList(arg0,arg1),filterer); } @Override public Object[] toArray() { final List<K> set=new ArrayList<K>(size()); for (final K k : this) set.add(k); return set.toArray(); } @Override public <T> T[] toArray(final T[] arg0) { final List<K> set=new ArrayList<K>(size()); for (final K k : this) set.add(k); return set.toArray(arg0); } }