/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.
*/
package com.vaadin.data.util;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.List;
import com.vaadin.data.Container;
import com.vaadin.data.Container.Sortable;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
/**
* Provides a default implementation of an ItemSorter. The
* DefaultItemSorter adheres to the
* {@link Sortable#sort(Object[], boolean[])} rules and sorts the container
* according to the properties given using
* {@link #setSortProperties(Sortable, Object[], boolean[])}.
*
* A Comparator is used for comparing the individual Property
* values. The comparator can be set using the constructor. If no comparator is
* provided a default comparator is used.
*
*/
public class DefaultItemSorter implements ItemSorter {
private java.lang.Object[] sortPropertyIds;
private boolean[] sortDirections;
private Container container;
private Comparator