/**
 * 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.Exclusion;
import org.apache.maven.model.ReportSet;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * Builds reportSets nodes.
 *
 * @author <a href="mailto:tobrien@discursive.com">Tim O'Brien</a>
 *
 * @since 0.8
 */
public class ReportSetsFactory extends ListFactory {
  public ReportSetsFactory() {
    super("reportSets");
  }

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

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

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

    return node;
  }

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

    if (value instanceof String) {
      ReportSet child = ReportSetFactory.parse(value);
      if (child != null) {
        List node = new ArrayList();
        node.add(child);
        return node;
      }
    } else if (value instanceof List) {
      List node = new ArrayList();
      for (Object item : (List) value) {
        ReportSet child = ReportSetFactory.parse(item);
        if (child == null) {
          return null;
        }
        node.add(child);
      }
      return node;
    }

    return null;
  }
}