/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.wicketTutorial;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.RepeatingView;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;
public class HomePage extends WebPage {
private static final long serialVersionUID = 1L;
public HomePage(final PageParameters parameters) {
super(parameters);
List<String[]> countries = loadCountriesFromCsv();
ListDataProvider<String[]> listDataProvider =
new ListDataProvider<String[]>(countries);
DataView<String[]> dataView = new DataView<String[]>("rows", listDataProvider) {
@Override
protected void populateItem(Item<String[]> item) {
String[] countriesArr = item.getModelObject();
RepeatingView repeatingView = new RepeatingView("dataRow");
for (int i = 0; i < countriesArr.length; i++){
repeatingView.add(
new Label(repeatingView.newChildId(), countriesArr[i]));
}
item.add(repeatingView);
}
};
dataView.setItemsPerPage(15);
add(dataView);
add(new PagingNavigator("pagingNavigator", dataView));
}
private List<String[]> loadCountriesFromCsv() {
InputStream countriesStream = HomePage.class.getResourceAsStream("countries.csv");
Scanner scanner = new Scanner(countriesStream);
List<String[]> countries = new ArrayList<String[]>();
while(scanner.hasNext()){
String curLine = scanner.nextLine();
String[] countryData = curLine.split(";");
countries.add(countryData);
}
scanner.close();
return countries;
}
}