| /* |
| * 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.apache.wicket.markup.html.form; |
| |
| import java.util.Locale; |
| |
| import org.apache.wicket.MarkupContainer; |
| import org.apache.wicket.markup.IMarkupResourceStreamProvider; |
| import org.apache.wicket.markup.html.WebPage; |
| import org.apache.wicket.model.PropertyModel; |
| import org.apache.wicket.util.convert.IConverter; |
| import org.apache.wicket.util.resource.IResourceStream; |
| import org.apache.wicket.util.resource.StringResourceStream; |
| import org.apache.wicket.util.string.Strings; |
| import org.apache.wicket.util.tester.WicketTestCase; |
| import org.junit.Test; |
| |
| /** |
| */ |
| public class AbstractTextComponentConvertEmptyStringsToNullTest extends WicketTestCase |
| { |
| |
| /** |
| * @throws Exception |
| */ |
| @Test |
| public void convertEmptyStringsToNull() throws Exception |
| { |
| StringArrayPage page = tester.startPage(StringArrayPage.class); |
| |
| tester.submitForm("form"); |
| |
| assertNotNull(page.array); |
| assertEquals(0, page.array.length); |
| } |
| |
| /** |
| */ |
| public static class StringArrayPage extends WebPage implements IMarkupResourceStreamProvider |
| { |
| private static final long serialVersionUID = 1L; |
| |
| /** */ |
| public String[] array = new String[0]; |
| |
| /** */ |
| public Form<Void> form; |
| |
| /** |
| * Construct. |
| */ |
| public StringArrayPage() |
| { |
| |
| form = new Form<Void>("form"); |
| add(form); |
| |
| form.add(new TextField<String[]>("array", new PropertyModel<String[]>(this, "array")) |
| { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public IConverter<?> createConverter(Class<?> type) |
| { |
| return new StringArrayConverter(); |
| } |
| }.setConvertEmptyInputStringToNull(false)); |
| } |
| |
| private class StringArrayConverter implements IConverter<String[]> |
| { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public String[] convertToObject(String value, Locale locale) |
| { |
| return Strings.split(value, ','); |
| } |
| |
| @Override |
| public String convertToString(String[] value, Locale locale) |
| { |
| return Strings.join(",", value); |
| } |
| } |
| |
| @Override |
| public IResourceStream getMarkupResourceStream(MarkupContainer container, |
| Class<?> containerClass) |
| { |
| return new StringResourceStream( |
| "<html><body><form wicket:id='form'><input type='text' wicket:id='array'/></form></body></html>"); |
| } |
| } |
| |
| } |
