IdGenerator.java example

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kune-master
/*
 *
 * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
 * one or more contributor license agreements (see COPYRIGHT for details).
 * The CA licenses this file to you under the GNU Affero General Public
 * License version 3, (the "License"); you may not use this file except in
 * compliance with the License. This file is part of kune.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package cc.kune.core.client.registry;

import cc.kune.common.shared.utils.TextUtils;

import com.google.gxp.com.google.common.base.Nullable;

// TODO: Auto-generated Javadoc
/**
 * The Class IdGenerator.
 * 
 * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
 */
public class IdGenerator {

  /** The Constant SEPARATOR. */
  protected static final String SEPARATOR = "|";

  /**
   * Generates a id concatenating two strings.
   * 
   * @param one
   *          String
   * @param two
   *          String
   * @return the string
   */
  public static String generate(@Nullable final String one, @Nullable final String two) {
    if (TextUtils.empty(one)) {
      return TextUtils.empty(two) ? "" : two;
    } else {
      return TextUtils.empty(two) ? one : one + SEPARATOR + two;
    }
  }
}