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XWiki Commons - Script
There is a newer version: 16.10.0-rc-1
/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.script.safe;

import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.ListIterator;

/**
 * Provide a public script access to a list.
 * 
 * @param  the type of the elements in the list
 * @param  the type of the List
 * @version $Id: db7f2fcbeb7ea351fe7f3d6201184050a382e3ee $
 * @since 16.2.0RC1
 */
public class SafeList> extends SafeCollection implements List
{
    /**
     * @param list the wrapped list
     * @param safeProvider the provider of instances safe for public scripts
     * @param safeConstructor the cinstructor to use to create new instance of list elements
     */
    public SafeList(L list, ScriptSafeProvider< ? > safeProvider, Constructor< ? extends E> safeConstructor)
    {
        super(list, safeProvider, safeConstructor);
    }

    // List

    @Override
    public boolean addAll(int index, Collection< ? extends E> c)
    {
        throw new UnsupportedOperationException(FORBIDDEN);
    }

    @Override
    public E get(int index)
    {
        return safeElement(getWrapped().get(index));
    }

    @Override
    public E set(int index, E element)
    {
        throw new UnsupportedOperationException(FORBIDDEN);
    }

    @Override
    public void add(int index, E element)
    {
        throw new UnsupportedOperationException(FORBIDDEN);
    }

    @Override
    public E remove(int index)
    {
        throw new UnsupportedOperationException(FORBIDDEN);
    }

    @Override
    public int indexOf(Object o)
    {
        return getWrapped().indexOf(o);
    }

    @Override
    public int lastIndexOf(Object o)
    {
        return getWrapped().lastIndexOf(o);
    }

    @Override
    public ListIterator listIterator()
    {
        return new SafeListIterator<>(getWrapped().listIterator(), this.safeProvider, this.safeConstructor);
    }

    @Override
    public ListIterator listIterator(int index)
    {
        return new SafeListIterator<>(getWrapped().listIterator(index), this.safeProvider, this.safeConstructor);
    }

    @Override
    public List subList(int fromIndex, int toIndex)
    {
        List list = getWrapped().subList(fromIndex, toIndex);

        List safeList = new ArrayList<>(list.size());
        for (E element : list) {
            safeList.add(safeElement(element));
        }

        return safeList;
    }
}