/**
* Copyright (c) 2008-2012, 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.issues.issue46;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
/**
* Issue 46: Dump a java.io.File object
*/
public class FileTest extends TestCase {
@SuppressWarnings("unchecked")
public void test() {
File file = new File("src/test/resources/examples/list-bean-1.yaml");
assertTrue(file.exists());
Yaml yaml = new Yaml(new MyRepresenter());
Map<String, File> map = new HashMap<String, File>();
map.put("one", file);
String output = yaml.dump(map);
// System.out.println(output);
assertTrue(output, output.startsWith("{one: !!java.io.File '"));
assertTrue(output, output.endsWith("list-bean-1.yaml'}\n"));
Map<String, File> parsed = (Map<String, File>) yaml.load(output);
File file2 = parsed.get("one");
assertTrue(file2.getAbsolutePath(), file2.getAbsolutePath().endsWith("list-bean-1.yaml"));
}
public class MyRepresenter extends Representer {
public MyRepresenter() {
this.representers.put(File.class, new FileRepresenter());
}
public class FileRepresenter implements Represent {
public Node representData(Object data) {
File file = (File) data;
Node scalar = representScalar(new Tag("!!java.io.File"), file.getAbsolutePath());
return scalar;
}
}
}
}