/**
 * 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.issues.issue46;

import java.io.File;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.YamlCreator;
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 = YamlCreator.allowAnyClass().load(output);
    File file2 = parsed.get("one");
    assertTrue(file2.getAbsolutePath(), file2.getAbsolutePath().endsWith("list-bean-1.yaml"));
  }

  public class MyRepresenter extends Representer {

    public MyRepresenter() {
      super(new DumperOptions());
      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;
      }
    }
  }
}
