/*
 * Sonatype Nexus (TM) Open Source Version
 * Copyright (c) 2008-present Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
 * which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
 * of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
 * Eclipse Foundation. All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.proxy.item.uid;

import org.sonatype.nexus.proxy.item.RepositoryItemUid;
import org.sonatype.nexus.util.SystemPropertiesHelper;

/**
 * Attribute yielding "false" for real repository content, and "true" for all the "item attributes", that is actually
 * not holding data serving the basic purpose of this given repository.
 * <em>This attribute must not be configurable, as it drives interal storage logic and may introduce endless loops!</em>
 *
 * @author cstamas
 * @since 2.0
 */
public class IsItemAttributeMetacontentAttribute
    implements Attribute<Boolean>
{
  public Boolean getValueFor(RepositoryItemUid subject) {
    if (subject.getPath() != null) {
      return subject.getPath().startsWith("/.nexus/attributes");
    }

    return false;
  }
}
