/*
* 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.tests.data.converter;
import java.util.Locale;
import junit.framework.TestCase;
import com.vaadin.data.util.converter.Converter;
import com.vaadin.data.util.converter.DefaultConverterFactory;
import com.vaadin.server.VaadinSession;
import com.vaadin.tests.util.AlwaysLockedVaadinSession;
import com.vaadin.ui.TextField;
public class ConverterFactory extends TestCase {
public static class ConvertTo42 implements Converter<String, Integer> {
@Override
public Integer convertToModel(String value,
Class<? extends Integer> targetType, Locale locale)
throws com.vaadin.data.util.converter.Converter.ConversionException {
return 42;
}
@Override
public String convertToPresentation(Integer value,
Class<? extends String> targetType, Locale locale)
throws com.vaadin.data.util.converter.Converter.ConversionException {
return "42";
}
@Override
public Class<Integer> getModelType() {
return Integer.class;
}
@Override
public Class<String> getPresentationType() {
return String.class;
}
}
public static class ConverterFactory42 extends DefaultConverterFactory {
@Override
public <PRESENTATION, MODEL> Converter<PRESENTATION, MODEL> createConverter(
Class<PRESENTATION> presentationType, Class<MODEL> modelType) {
if (modelType == Integer.class) {
return (Converter<PRESENTATION, MODEL>) new ConvertTo42();
}
return super.createConverter(presentationType, modelType);
}
}
public void testApplicationConverterFactoryInBackgroundThread() {
VaadinSession.setCurrent(null);
final VaadinSession appWithCustomIntegerConverter = new AlwaysLockedVaadinSession(
null);
appWithCustomIntegerConverter
.setConverterFactory(new ConverterFactory42());
TextField tf = new TextField("", "123") {
@Override
public VaadinSession getSession() {
return appWithCustomIntegerConverter;
}
};
tf.setConverter(Integer.class);
// The application converter always returns 42. Current application is
// null
assertEquals(42, tf.getConvertedValue());
}
public void testApplicationConverterFactoryForDetachedComponent() {
final VaadinSession appWithCustomIntegerConverter = new AlwaysLockedVaadinSession(
null);
appWithCustomIntegerConverter
.setConverterFactory(new ConverterFactory42());
VaadinSession.setCurrent(appWithCustomIntegerConverter);
TextField tf = new TextField("", "123");
tf.setConverter(Integer.class);
// The application converter always returns 42. Current application is
// null
assertEquals(42, tf.getConvertedValue());
}
public void testApplicationConverterFactoryForDifferentThanCurrentApplication() {
final VaadinSession fieldAppWithCustomIntegerConverter = new AlwaysLockedVaadinSession(
null);
fieldAppWithCustomIntegerConverter
.setConverterFactory(new ConverterFactory42());
VaadinSession.setCurrent(new AlwaysLockedVaadinSession(null));
TextField tf = new TextField("", "123") {
@Override
public VaadinSession getSession() {
return fieldAppWithCustomIntegerConverter;
}
};
tf.setConverter(Integer.class);
// The application converter always returns 42. Application.getCurrent()
// should not be used
assertEquals(42, tf.getConvertedValue());
}
}