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/**
* Copyright (c) 2008, SnakeYAML
*
* 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;
import java.sql.Timestamp;
import java.util.Date;
import junit.framework.TestCase;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
public class JavaBeanWithNullValuesTest extends TestCase {
private Yaml loader;
@Override
protected void setUp() {
loader = new Yaml();
}
public void testNotNull() {
String dumpStr = dumpJavaBeanWithNullValues(false);
// System.out.println(dumpStr);
Yaml yaml = new Yaml();
JavaBeanWithNullValues parsed = yaml.load(dumpStr);
assertNotNull(parsed.getString());
assertNotNull(parsed.getBoolean1());
assertNotNull(parsed.getDate());
assertNotNull(parsed.getDouble1());
assertNotNull(parsed.getFloat1());
assertNotNull(parsed.getInteger());
assertNotNull(parsed.getLong1());
assertNotNull(parsed.getSqlDate());
assertNotNull(parsed.getTimestamp());
//
parsed = loader.loadAs(dumpStr, JavaBeanWithNullValues.class);
assertNotNull(parsed.getString());
assertNotNull(parsed.getBoolean1());
assertNotNull(parsed.getDate());
assertNotNull(parsed.getDouble1());
assertNotNull(parsed.getFloat1());
assertNotNull(parsed.getInteger());
assertNotNull(parsed.getLong1());
assertNotNull(parsed.getSqlDate());
assertNotNull(parsed.getTimestamp());
}
public void testNull() {
String dumpStr = dumpJavaBeanWithNullValues(true);
Yaml yaml = new Yaml();
JavaBeanWithNullValues parsed = yaml.load(dumpStr);
assertNull(parsed.getString());
//
parsed = loader.loadAs(dumpStr, JavaBeanWithNullValues.class);
assertNull(parsed.getString());
}
public void testNullStringAndBoolean() {
JavaBeanWithNullValues javaBeanWithNullValues = new JavaBeanWithNullValues();
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setExplicitStart(true);
options.setExplicitEnd(true);
Yaml yaml = new Yaml(new CustomRepresenter(), options);
javaBeanWithNullValues.setBoolean1(null);
javaBeanWithNullValues.setDate(new Date(System.currentTimeMillis()));
javaBeanWithNullValues.setDouble1(1d);
javaBeanWithNullValues.setFloat1(1f);
javaBeanWithNullValues.setInteger(1);
javaBeanWithNullValues.setLong1(1L);
javaBeanWithNullValues.setSqlDate(new java.sql.Date(System.currentTimeMillis()));
javaBeanWithNullValues.setString(null); // ok
javaBeanWithNullValues.setTimestamp(new Timestamp(System.currentTimeMillis()));
String dumpStr = yaml.dump(javaBeanWithNullValues);
// System.out.println(dumpStr);
yaml = new Yaml();
JavaBeanWithNullValues parsed = yaml.load(dumpStr);
assertNull(" expect null, got " + parsed.getBoolean1(), parsed.getBoolean1());
assertNull(" expect null, got " + parsed.getString(), parsed.getString());
}
public void testNoRootTag() {
JavaBeanWithNullValues javaBeanWithNullValues = new JavaBeanWithNullValues();
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setExplicitStart(true);
options.setExplicitEnd(true);
Yaml yaml = new Yaml(new CustomRepresenter(), options);
javaBeanWithNullValues.setBoolean1(null);
javaBeanWithNullValues.setDate(new Date(System.currentTimeMillis()));
javaBeanWithNullValues.setDouble1(1d);
javaBeanWithNullValues.setFloat1(1f);
javaBeanWithNullValues.setInteger(1);
javaBeanWithNullValues.setLong1(1L);
javaBeanWithNullValues.setSqlDate(new java.sql.Date(System.currentTimeMillis()));
javaBeanWithNullValues.setString(null); // ok
javaBeanWithNullValues.setTimestamp(new Timestamp(System.currentTimeMillis()));
String dumpStr = yaml.dumpAsMap(javaBeanWithNullValues);
// System.out.println(dumpStr);
assertFalse("No explicit root tag must be used.", dumpStr.contains("JavaBeanWithNullValues"));
yaml = new Yaml(new CustomRepresenter(), options);
JavaBeanWithNullValues parsed = loader.loadAs(dumpStr, JavaBeanWithNullValues.class);
assertNull(" expect null, got " + parsed.getBoolean1(), parsed.getBoolean1());
assertNull(" expect null, got " + parsed.getString(), parsed.getString());
assertEquals(1d, parsed.getDouble1());
assertEquals(1f, parsed.getFloat1());
assertEquals(Integer.valueOf(1), parsed.getInteger());
assertEquals(Long.valueOf(1L), parsed.getLong1());
}
private String dumpJavaBeanWithNullValues(boolean nullValues) {
JavaBeanWithNullValues javaBeanWithNullValues = new JavaBeanWithNullValues();
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setExplicitStart(true);
options.setExplicitEnd(true);
Yaml yaml = new Yaml(new CustomRepresenter(), options);
if (nullValues) {
return yaml.dump(javaBeanWithNullValues);
}
javaBeanWithNullValues.setBoolean1(false);
javaBeanWithNullValues.setDate(new Date(System.currentTimeMillis()));
javaBeanWithNullValues.setDouble1(1d);
javaBeanWithNullValues.setFloat1(1f);
javaBeanWithNullValues.setInteger(1);
javaBeanWithNullValues.setLong1(1L);
javaBeanWithNullValues.setSqlDate(new java.sql.Date(System.currentTimeMillis()));
javaBeanWithNullValues.setString(""); // ok
javaBeanWithNullValues.setTimestamp(new Timestamp(System.currentTimeMillis()));
return yaml.dump(javaBeanWithNullValues);
}
public class CustomRepresenter extends Representer {
public CustomRepresenter() {
this.representers.put(Float.class, new RepresentFloat());
this.representers.put(Long.class, new RepresentLong());
this.representers.put(java.sql.Date.class, new RepresentDate());
this.representers.put(java.sql.Timestamp.class, new RepresentTime());
}
private class RepresentFloat implements Represent {
public Node representData(Object data) {
return representScalar(new Tag(Tag.PREFIX + "java.lang.Float"), data.toString());
}
}
private class RepresentLong implements Represent {
public Node representData(Object data) {
return representScalar(new Tag(Tag.PREFIX + "java.lang.Long"), ((Long) data).toString());
}
}
private class RepresentDate implements Represent {
public Node representData(Object data) {
return representScalar(new Tag(Tag.PREFIX + "java.sql.Date"), data.toString());
}
}
private class RepresentTime implements Represent {
public Node representData(Object data) {
return representScalar(new Tag(Tag.PREFIX + "java.sql.Timestamp"), data.toString());
}
}
}
}
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