ActionResponseFactory.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.Layout;
import com.liferay.portal.model.User;
import com.liferay.portal.util.PropsValues;

import javax.portlet.PortletMode;
import javax.portlet.WindowState;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.pool.BasePoolableObjectFactory;
import org.apache.commons.pool.ObjectPool;
import org.apache.commons.pool.impl.StackObjectPool;

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

  public static ActionResponseImpl create(
      ActionRequestImpl req, HttpServletResponse res, String portletName,
      User user, Layout layout, WindowState windowState,
      PortletMode portletMode)
    throws Exception {

    ActionResponseImpl actionResponseImpl = null;

    if (PropsValues.COMMONS_POOL_ENABLED) {
      actionResponseImpl =
        (ActionResponseImpl)_instance._pool.borrowObject();
    }
    else {
      actionResponseImpl = new ActionResponseImpl();
    }

    actionResponseImpl.init(
      req, res, portletName, user, layout, windowState, portletMode);

    return actionResponseImpl;
  }

  public static void recycle(ActionResponseImpl actionResponseImpl)
    throws Exception {

    if (PropsValues.COMMONS_POOL_ENABLED) {
      _instance._pool.returnObject(actionResponseImpl);
    }
    else if (actionResponseImpl != null) {
      actionResponseImpl.recycle();
    }
  }

  private ActionResponseFactory() {
    _pool = new StackObjectPool(new Factory());
  }

  private static ActionResponseFactory _instance =
    new ActionResponseFactory();

  private ObjectPool _pool;

  private class Factory extends BasePoolableObjectFactory {

    public Object makeObject() {
      return new ActionResponseImpl();
    }

    public void passivateObject(Object obj) {
      ActionResponseImpl actionResponseImpl = (ActionResponseImpl)obj;

      actionResponseImpl.recycle();
    }

  }

}