/** | |
* Copyright (c) 2008-2011, http://www.snakeyaml.org | |
* | |
* 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 org.yaml.snakeyaml.representer; | |
import junit.framework.TestCase; | |
import org.yaml.snakeyaml.Yaml; | |
import org.yaml.snakeyaml.constructor.AbstractConstruct; | |
import org.yaml.snakeyaml.constructor.Constructor; | |
import org.yaml.snakeyaml.nodes.Node; | |
import org.yaml.snakeyaml.nodes.ScalarNode; | |
import org.yaml.snakeyaml.nodes.Tag; | |
public class RepresentTest extends TestCase { | |
public void testCustomRepresenter() { | |
Yaml yaml = new Yaml(new MyConstructor(), new MyRepresenter()); | |
CustomBean etalon = new CustomBean("A", 1); | |
String output = yaml.dump(etalon); | |
assertEquals("!!Dice 'Ad1'\n", output); | |
CustomBean bean = (CustomBean) yaml.load(output); | |
assertEquals("A", bean.getPrefix()); | |
assertEquals(1, bean.getSuffix()); | |
assertEquals(etalon, bean); | |
} | |
class CustomBean { | |
private String prefix; | |
private int suffix; | |
public CustomBean(String prefix, int suffix) { | |
this.prefix = prefix; | |
this.suffix = suffix; | |
} | |
public String getPrefix() { | |
return prefix; | |
} | |
public int getSuffix() { | |
return suffix; | |
} | |
@Override | |
public boolean equals(Object obj) { | |
CustomBean bean = (CustomBean) obj; | |
return prefix.equals(bean.getPrefix()) && suffix == bean.getSuffix(); | |
} | |
} | |
class MyRepresenter extends Representer { | |
public MyRepresenter() { | |
this.representers.put(CustomBean.class, new RepresentDice()); | |
} | |
private class RepresentDice implements Represent { | |
public Node representData(Object data) { | |
CustomBean coin = (CustomBean) data; | |
String value = coin.getPrefix() + "d" + coin.getSuffix(); | |
return representScalar(new Tag("!!Dice"), value); | |
} | |
} | |
} | |
class MyConstructor extends Constructor { | |
public MyConstructor() { | |
this.yamlConstructors.put(new Tag(Tag.PREFIX + "Dice"), new ConstructDice()); | |
} | |
private class ConstructDice extends AbstractConstruct { | |
public Object construct(Node node) { | |
String val = (String) constructScalar((ScalarNode) node); | |
return new CustomBean(val.substring(0, 1), new Integer(val.substring(2))); | |
} | |
} | |
} | |
} |