/*
* 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 junit.framework.TestCase;
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.WicketTester;
/**
*/
public class AbstractTextComponentConvertEmptyStringsToNullTest extends TestCase
{
/**
* @throws Exception
*/
public void test() throws Exception
{
WicketTester tester = new WicketTester();
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
@SuppressWarnings("unchecked")
public <C> IConverter<C> getConverter(Class<C> type)
{
return (IConverter<C>)new StringArrayConverter();
}
}.setConvertEmptyInputStringToNull(false));
}
private class StringArrayConverter implements IConverter<String[]>
{
private static final long serialVersionUID = 1L;
public String[] convertToObject(String value, Locale locale)
{
return Strings.split(value, ',');
}
public String convertToString(String[] value, Locale locale)
{
return Strings.join(",", value);
}
}
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>");
}
}
}