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- /*
- * Copyright 2000-2016 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.data;
-
- import static org.junit.Assert.assertEquals;
-
- import java.io.IOException;
- import java.io.InputStream;
- import java.lang.reflect.InvocationTargetException;
- import java.net.URL;
- import java.net.URLClassLoader;
-
- import javax.validation.Validation;
-
- import org.apache.commons.io.IOUtils;
- import org.junit.Assert;
- import org.junit.Test;
-
- import com.vaadin.data.util.BeanUtil;
- import com.vaadin.tests.data.bean.BeanToValidate;
- import com.vaadin.ui.TextField;
-
- /**
- * @author Vaadin Ltd
- *
- */
- public class Jsr303Test {
-
- private static class TestClassLoader extends URLClassLoader {
-
- public TestClassLoader() {
- super(new URL[0], Thread.currentThread().getContextClassLoader());
- }
-
- @Override
- public Class<?> loadClass(String name) throws ClassNotFoundException {
- String vaadinPackagePrefix = getClass().getPackage().getName();
- vaadinPackagePrefix = vaadinPackagePrefix.substring(0,
- vaadinPackagePrefix.lastIndexOf('.'));
- if (name.equals(UnitTest.class.getName())) {
- super.loadClass(name);
- } else if (name
- .startsWith(Validation.class.getPackage().getName())) {
- throw new ClassNotFoundException();
- } else if (name.startsWith(vaadinPackagePrefix)) {
- String path = name.replace('.', '/').concat(".class");
- URL resource = Thread.currentThread().getContextClassLoader()
- .getResource(path);
- InputStream stream;
- try {
- stream = resource.openStream();
- byte[] bytes = IOUtils.toByteArray(stream);
- return defineClass(name, bytes, 0, bytes.length);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
- return super.loadClass(name);
- }
- }
-
- public interface UnitTest {
- void execute();
- }
-
- public static class Jsr303UnitTest implements UnitTest {
-
- private final TextField nameField = new TextField();
-
- @Override
- public void execute() {
- Assert.assertFalse(BeanUtil.checkBeanValidationAvailable());
-
- Binder<BeanToValidate> binder = new Binder<>(BeanToValidate.class);
- BeanToValidate item = new BeanToValidate();
- String name = "Johannes";
- item.setFirstname(name);
- item.setAge(32);
-
- binder.bind(nameField, "firstname");
- binder.setBean(item);
-
- assertEquals(name, nameField.getValue());
-
- // BeanToValidate : @Size(min = 3, max = 16) for the firstName
- nameField.setValue("a");
- assertEquals(nameField.getValue(), item.getFirstname());
- }
-
- }
-
- @Test
- public void beanBinderWithoutJsr303() throws ClassNotFoundException,
- NoSuchMethodException, SecurityException, InstantiationException,
- IllegalAccessException, IllegalArgumentException,
- InvocationTargetException, IOException, InterruptedException {
- try (URLClassLoader loader = new TestClassLoader()) {
- Class<?> clazz = loader.loadClass(Jsr303UnitTest.class.getName());
- UnitTest test = (UnitTest) clazz.newInstance();
- test.execute();
- }
- }
-
- }
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