package com.planet_ink.coffee_mud.core.collections; import java.lang.reflect.Method; import java.util.*; /* Copyright 2016-2016 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 FullConvertingList<L,K> implements List<K> { private final List<L> list; private final FullConverter<L, K> converter; private Class<?> lClass = null; private Class<?> kClass = null; public FullConvertingList(List<L> l, FullConverter<L, K> conv) { list=l; converter=conv; for(Method M : conv.getClass().getMethods()) { if(M.getName().equals("reverseConvert") && (M.getParameterTypes().length>0)) { lClass = M.getReturnType(); kClass = M.getParameterTypes()[0]; break; } } } @Override public boolean add(K arg0) { return list.add(converter.reverseConvert(arg0)); } @Override public void add(int arg0, K arg1) { list.add(arg0,converter.reverseConvert(arg1)); } @SuppressWarnings("unchecked") protected Object convertToListType(final Object arg0) { if(arg0 == null) return null; if(lClass.isAssignableFrom(arg0.getClass())) return arg0; if(kClass.isAssignableFrom(arg0.getClass())) return converter.reverseConvert((K)arg0); return null; } @Override public boolean addAll(Collection<? extends K> arg0) { if(arg0==null) return false; boolean didAll = true; for(K arg01 : arg0) didAll = add(arg01) && didAll; return didAll; } @Override public boolean addAll(int arg0, Collection<? extends K> arg1) { if(arg1==null) return false; for(K arg01 : arg1) add(arg0, arg01); return true; } @Override public void clear() { list.clear(); } @Override public boolean contains(Object arg0) { final Object o = convertToListType(arg0); if(o == null) return false; return list.contains(o); } @Override public boolean containsAll(Collection<?> arg0) { if(arg0==null) return false; for(Object o : arg0) { o = convertToListType(o); if(o == null) return false; if(!list.contains(o)) return false; } return true; } @Override public K get(int arg0) { return converter.convert(arg0,list.get(arg0)); } @Override public int indexOf(Object arg0) { if(list.size()==0) return -1; final Object o = convertToListType(arg0); if(o == null) return -1; return list.indexOf(o); } @Override public boolean isEmpty() { return list.isEmpty(); } @Override public Iterator<K> iterator() { return new FullConvertingIterator<L, K>(list.iterator(),converter); } @Override public int lastIndexOf(Object arg0) { if(list.size()==0) return -1; final Object o = convertToListType(arg0); if(o == null) return -1; return list.lastIndexOf(o); } @Override public ListIterator<K> listIterator() { return new FullConvertingListIterator<L,K>(list.listIterator(), converter); } @Override public ListIterator<K> listIterator(int arg0) { return new FullConvertingListIterator<L,K>(list.listIterator(arg0), converter); } @Override public boolean remove(Object arg0) { final Object o = convertToListType(arg0); if(o == null) return false; return list.remove(o); } @Override public K remove(int arg0) { return converter.convert(arg0, list.remove(arg0)); } @Override public boolean removeAll(Collection<?> arg0) { if(arg0==null) return false; boolean didAll = true; for(Object o : arg0) didAll = remove(o) && didAll; return didAll; } @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 FullConvertingList<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(x,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; } }