UserPictureDataProvider.java

/**
 * Copyright 2011 the original author or authors.
 *
 * 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 org.bricket.plugin.user_picture.web;

import java.util.Iterator;
import java.util.List;

import org.apache.wicket.extensions.markup.html.repeater.util.SortParam;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.bricket.plugin.genericdomain.web.DataProvider;
import org.bricket.plugin.user.domain.User;
import org.bricket.plugin.user_picture.domain.UserPicture;
import org.bricket.plugin.user_picture.service.UserPictureService;

/**
 * Generische Dataprovider, der die üblichen Zugriffe auf Domainobjekte eines
 * Typs regelt. Hauptsachlich für Auflistung in Tabellen und Aufzählungen.
 * Zuerst erstellt für die Ajaxfallbacktable
 * 
 * @author Ingo Renner
 * @author Henning Teek
 * 
 * @param <T>
 */
public class UserPictureDataProvider extends DataProvider<UserPicture> {
    @SpringBean
    private UserPictureService userPictureService;

    private User user;

    public UserPictureDataProvider(User user) {
        super(UserPicture.class);
        this.user = user;
    }

    @Override
    public Iterator<UserPicture> iterator(int from, int count) {
        final SortParam sort = getSort();
        List<UserPicture> resultList = userPictureService.loadUserPictureByUser(user, from, count,
                sort != null ? sort.getProperty() : null, sort == null || sort.isAscending());
        return resultList.iterator();
    }

    @Override
    public int size() {
        return userPictureService.getCountByUser(user);
    }
}