/**
 * Copyright (c) 2012 to original author or authors
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.sonatype.maven.polyglot.groovy.builder.factory;

import groovy.util.FactoryBuilderSupport;
import org.apache.maven.model.Parent;

import java.util.Map;

/**
 * Builds {@link Parent} nodes.
 *
 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
 *
 * @since 0.7
 */
public class ParentFactory extends NamedFactory {
  public ParentFactory() {
    super("parent");
  }

  public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attrs) throws InstantiationException, IllegalAccessException {
    Parent node;

    if (value != null) {
      node = parse(value);

      if (node == null) {
        throw new NodeValueParseException(this, value);
      }
    } else {
      node = new Parent();
    }

    return node;
  }

  public static Parent parse(final Object value) {
    assert value != null;

    if (value instanceof String) {
      Parent node = new Parent();
      String[] items = ((String) value).split(":");
      switch (items.length) {
      case 3:
        node.setGroupId(items[0]);
        node.setArtifactId(items[1]);
        node.setVersion(items[2]);
        return node;
      }
    }

    return null;
  }
}