juneau-examples/juneau-examples-core/src/main/java/org/apache/juneau/examples/core/uon/UONComplexExample.java

/*
 *  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,
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 *  "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.juneau.examples.core.uon;

import org.apache.juneau.examples.core.pojo.Pojo;
import org.apache.juneau.examples.core.pojo.PojoComplex;
import org.apache.juneau.uon.UonParser;
import org.apache.juneau.uon.UonSerializer;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * UON complex example.
 *
 * <ul class='seealso'>
 * 	<li class='extlink'>{@source}
 * </ul>
 */
public class UONComplexExample {
	/**
	 * Serializing PojoComplex bean into UON format.
	 *
	 * @param args Unused.
	 * @throws Exception Unused.
	 */
	public static void main(String[] args) throws Exception {

		// Fill some data to a PojoComplex bean
		HashMap<String, List<Pojo>> values = new HashMap<>();
		ArrayList<Pojo> setOne = new ArrayList<>();
		setOne.add(new Pojo("1.1", "name1"));
		setOne.add(new Pojo("1.1", "name2"));
		ArrayList<Pojo> setTwo = new ArrayList<>();
		setTwo.add(new Pojo("1.2", "name1"));
		setTwo.add(new Pojo("1.2", "name2"));
		values.put("setOne", setOne);
		values.put("setTwo", setTwo);
		PojoComplex pojoc = new PojoComplex("pojo", new Pojo("1.0", "name0"), values);

		// this creates an RDF serializer with the default XML structure
		/**Produces
		 * (innerPojo=(name=name0,id='1.0'),
		 * values=(setOne=@((name=name1,id='1.1'),(name=name2,id='1.1')),
		 * setTwo=@((name=name1,id='1.2'),(name=name2,id='1.2'))),id=pojo)
		 */
		UonSerializer uonSerializer = UonSerializer.DEFAULT;
		// This will show the final output from the bean
		System.out.println(uonSerializer.serialize(pojoc));

		PojoComplex obj = UonParser.DEFAULT.parse(uonSerializer.serialize(pojoc), PojoComplex.class);

		assert obj.getId().equals(pojoc.getId());

	}
}