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/**
* Copyright (c) 2008, 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 examples;
import java.math.BigDecimal;
import java.util.regex.Pattern;
import junit.framework.TestCase;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.NodeId;
import org.yaml.snakeyaml.nodes.ScalarNode;
/**
* http://code.google.com/p/snakeyaml/issues/detail?id=75
*/
public class CustomBeanResolverTest extends TestCase {
private final Pattern CUSTOM_PATTERN = Pattern.compile("\\d+%");
public void testOnlyBigDecimal() {
Yaml yaml = new Yaml(new BigBeanConstructor());
Foo foo = (Foo) yaml.load("bar: 50\nbaz: 35%\nbas: 1250");
assertEquals(50.0, foo.bar);
assertEquals("0.35", foo.baz.toString());
assertEquals("1250", foo.bas);
}
public void testPrimitive() {
Yaml yaml = new Yaml(new BigBeanConstructor());
Foo foo = (Foo) yaml.load("bar: 50%\nbaz: 35%\nbas: 1250%\nbaw: 35");
assertEquals(0.5, foo.bar);
assertEquals("0.35", foo.baz.toString());
assertEquals("1250%", foo.bas);
assertEquals("35", foo.baw.toString());
}
class BigBeanConstructor extends Constructor {
public BigBeanConstructor() {
super(Foo.class);
yamlClassConstructors.put(NodeId.scalar, new ConstructBig());
}
private class ConstructBig extends ConstructScalar {
public Object construct(Node node) {
if (node.getType().equals(BigDecimal.class)) {
String val = (String) constructScalar((ScalarNode) node);
if (CUSTOM_PATTERN.matcher(val).matches()) {
return new BigDecimal(val.substring(0, val.length() - 1))
.divide(new BigDecimal(100));
}
} else if (node.getType().isAssignableFrom(double.class)) {
String val = (String) constructScalar((ScalarNode) node);
if (CUSTOM_PATTERN.matcher(val).matches()) {
return new Double(val.substring(0, val.length() - 1)) / 100;
}
}
return super.construct(node);
}
}
}
public static class Foo {
public double bar = 0;
public BigDecimal baz;
public BigDecimal baw;
public String bas;
}
}
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