GettingStarted.java

/*
 * Copyright 2014 Daniel Bechler
 *
 * 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 de.danielbechler.diff.example.gettingstarted;

import de.danielbechler.diff.ObjectDiffer;
import de.danielbechler.diff.ObjectDifferBuilder;
import de.danielbechler.diff.example.phonebook.Contact;
import de.danielbechler.diff.example.phonebook.PhoneBook;
import de.danielbechler.diff.example.phonebook.PhoneNumber;
import de.danielbechler.diff.node.DiffNode;
import de.danielbechler.diff.node.PrintingVisitor;

/**
 * @author Daniel Bechler
 */
public class GettingStarted
{
	private GettingStarted()
	{
	}

	public static void main(final String[] args)
	{
		helloWorldExample();
		phoneBookExample();
	}

	private static void helloWorldExample()
	{
		final ObjectDiffer objectDiffer = ObjectDifferBuilder.buildDefault();

		final String working = "Hello";
		final String base = "World";
		final DiffNode root = objectDiffer.compare(working, base);

		root.visit(new PrintingVisitor(working, base));
	}

	private static void phoneBookExample()
	{
		final PhoneBook phoneBook = new PhoneBook("Breaking Bad");

		final Contact walterWhite = new Contact("Walter", "White");
		walterWhite.setPhoneNumber("Home", new PhoneNumber("1", "505", "316-7871"));
		walterWhite.setPhoneNumber("Work", new PhoneNumber("1", "505", "456-3788"));
		phoneBook.addContact(walterWhite);

		final Contact jessePinkman = new Contact("Jesse", "Pinkman");
		jessePinkman.setPhoneNumber("Home", new PhoneNumber("1", "505", "234-4628"));
		phoneBook.addContact(jessePinkman);

		final PhoneBook modifiedPhoneBook = PhoneBook.from(phoneBook);
		modifiedPhoneBook.getContact("Jesse", "Pinkman").setMiddleName("Bruce");
		modifiedPhoneBook.getContact("Walter", "White").setMiddleName("Hartwell");

		final ObjectDiffer objectDiffer = ObjectDifferBuilder.buildDefault();
		final DiffNode root = objectDiffer.compare(modifiedPhoneBook, phoneBook);
		final DiffNode.Visitor visitor = new PrintingVisitor(modifiedPhoneBook, phoneBook);
		root.visit(visitor);
	}
}