PortletConfigFactory.java :  » Portal » liferay-portal-4.4.2 » com » liferay » portlet » Java Open Source

/**
 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.liferay.portlet;

import com.liferay.portal.model.Portlet;
import com.liferay.util.CollectionFactory;

import java.util.Map;

import javax.portlet.PortletConfig;
import javax.portlet.PortletContext;

import javax.servlet.ServletContext;

/**
 * <a href="PortletConfigFactory.java.html"><b><i>View Source</i></b></a>
 *
 * @author Brian Wing Shun Chan
 *
 */
public class PortletConfigFactory {

  public static PortletConfig create(Portlet portlet, ServletContext ctx) {
    return _instance._create(portlet, ctx);
  }

  public static void destroy(Portlet portlet) {
    _instance._destroy(portlet);
  }

  private PortletConfigFactory() {
    _pool = CollectionFactory.getSyncHashMap();
  }

  private PortletConfig _create(Portlet portlet, ServletContext ctx) {
    Map portletConfigs = (Map)_pool.get(portlet.getRootPortletId());

    if (portletConfigs == null) {
      portletConfigs = CollectionFactory.getSyncHashMap();

      _pool.put(portlet.getRootPortletId(), portletConfigs);
    }

    PortletConfig portletConfig =
      (PortletConfig)portletConfigs.get(portlet.getPortletId());

    if (portletConfig == null) {
      PortletContext portletCtx =
        PortletContextFactory.create(portlet, ctx);

      portletConfig = new PortletConfigImpl(
        portlet.getPortletId(), portletCtx, portlet.getInitParams(),
        portlet.getResourceBundle(), portlet.getPortletInfo());

      portletConfigs.put(portlet.getPortletId(), portletConfig);
    }

    return portletConfig;
  }

  private void _destroy(Portlet portlet) {
    _pool.remove(portlet.getRootPortletId());
  }

  private static PortletConfigFactory _instance = new PortletConfigFactory();

  private Map _pool;

}