Java tutorial
/** * Copyright (C) 2007 Asterios Raptis * * 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 net.sourceforge.jaulp.lang; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.Date; import java.util.List; import java.util.Map; import net.sourceforge.jaulp.date.CreateDateUtils; import net.sourceforge.jaulp.io.ChangedAttributeResult; import org.apache.commons.beanutils.BeanComparator; import org.jaulp.test.objects.A; import org.jaulp.test.objects.Gender; import org.jaulp.test.objects.Person; import org.testng.AssertJUnit; import org.testng.annotations.AfterMethod; import org.testng.annotations.BeforeMethod; import org.testng.annotations.Test; import de.alpharogroup.date.DateDecorator; import de.alpharogroup.date.SqlTimestampDecorator; /** * The Class ObjectUtilsTest. */ public class ObjectUtilsTest { /** * Sets the up. * * @throws Exception * the exception */ @BeforeMethod public void setUp() throws Exception { } /** * Tear down. * * @throws Exception * the exception */ @AfterMethod public void tearDown() throws Exception { } /** * Test clone object. */ @Test(enabled = false) public void testCloneObject() { Date past = CreateDateUtils.newDate(2009, 3, 26, 10, 37, 04); Object otherCopy = ObjectUtils.cloneObjectQuietly(past); boolean result = past.equals(otherCopy); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); String aString = "Hy there..."; otherCopy = ObjectUtils.cloneObjectQuietly(aString); result = aString.equals(otherCopy); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); A a = new A(); a.setA("a"); Object anotherCopy = ObjectUtils.cloneObjectQuietly(a); result = a.equals(anotherCopy); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); } /** * Test generic clone method. */ @Test(enabled = false) public void testClone() { Date past = CreateDateUtils.newDate(2009, 3, 26, 10, 37, 04); Date otherCopy = ObjectUtils.clone(past); boolean result = past.equals(otherCopy); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); String aString = "Hy there..."; String clonedString = ObjectUtils.clone(aString); result = aString.equals(clonedString); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); A a = new A(); a.setA("a"); A anotherCopy = ObjectUtils.clone(a); result = a.equals(anotherCopy); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); } /** * Test compare. * * @throws IllegalAccessException * the illegal access exception * @throws InvocationTargetException * the invocation target exception * @throws NoSuchMethodException * the no such method exception */ @Test(enabled = false) public void testCompare() throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { Person sourceOjbect = new Person(); sourceOjbect.setGender(Gender.MALE); sourceOjbect.setName("obelix"); Person objectToCompare = (Person) ObjectUtils.cloneObjectQuietly(sourceOjbect); boolean result = ObjectUtils.compare(sourceOjbect, objectToCompare); AssertJUnit.assertTrue("Cloned object should be equal with the source object.", result); objectToCompare.setGender(Gender.FEMALE); result = ObjectUtils.compare(sourceOjbect, objectToCompare); AssertJUnit.assertFalse( "Object to compare should be not equal with the source object because it has changed.", result); } /** * Test get changed data. * * @throws IllegalAccessException * the illegal access exception * @throws InvocationTargetException * the invocation target exception * @throws NoSuchMethodException * the no such method exception */ @Test(enabled = false) public void testGetChangedData() throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { Person sourceOjbect = new Person(); sourceOjbect.setGender(Gender.MALE); sourceOjbect.setName("obelix"); Person objectToCompare = (Person) ObjectUtils.cloneObjectQuietly(sourceOjbect); Map<Object, ChangedAttributeResult> result = ObjectUtils.getChangedDataMap(sourceOjbect, objectToCompare); AssertJUnit.assertTrue("Size should be 0 but is " + result.size(), result.size() == 0); // Change the gender from the objectToCompare... objectToCompare.setGender(Gender.FEMALE); // and get the changed data... result = ObjectUtils.getChangedDataMap(sourceOjbect, objectToCompare); AssertJUnit.assertFalse("Size should be 1 but is " + result.size(), result.size() == 0); AssertJUnit.assertTrue("", result.containsKey("gender")); ChangedAttributeResult changed = result.get("gender"); Object sourceAttribute = changed.getSourceAttribute(); Object changedAttribute = changed.getChangedAttribute(); AssertJUnit.assertTrue("", sourceAttribute.equals(Gender.MALE.name())); AssertJUnit.assertTrue("", changedAttribute.equals(Gender.FEMALE.name())); } @SuppressWarnings({ "rawtypes", "unchecked" }) @Test(enabled = false) public void testCompareTo() throws IllegalAccessException, InvocationTargetException, NoSuchMethodException { List<Person> persons = new ArrayList<>(); Person obelix = new Person(); obelix.setGender(Gender.MALE); obelix.setName("obelix"); Person asterix = new Person(); asterix.setGender(Gender.MALE); asterix.setName("asterix"); Person miraculix = new Person(); miraculix.setGender(Gender.MALE); miraculix.setName("miraculix"); int i = ObjectUtils.compareTo(asterix, obelix, "name"); System.out.println(i); persons.add(obelix); persons.add(asterix); persons.add(miraculix); System.out.println("Unsorted Persons:"); System.out.println(persons.toString()); Comparator defaultComparator = new BeanComparator("name"); Collections.sort(persons, defaultComparator); System.out.println("Sorted Persons by name:"); System.out.println(persons.toString()); Collections.reverse(persons); System.out.println("Sorted Persons by name reversed:"); System.out.println(persons.toString()); } @Test(enabled = true) public void testCopy() throws IllegalAccessException, InvocationTargetException { DateDecorator dateDecorator = new DateDecorator(); Date now = CreateDateUtils.now(); dateDecorator.setDate(now); SqlTimestampDecorator timestampDecorator = new SqlTimestampDecorator(); ObjectUtils.copy(dateDecorator, timestampDecorator); System.out.println(timestampDecorator); } }