Package com.liferay.util.servlet

Source Code of com.liferay.util.servlet.SessionMessages

/**
* Copyright (c) 2000-2005 Liferay, LLC. 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.util.servlet;

import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;

import com.dotcms.repackage.javax.portlet.PortletRequest;
import com.dotcms.repackage.javax.portlet.PortletSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import com.dotmarketing.util.Logger;
import com.liferay.portlet.PortletSessionImpl;

/**
* <a href="SessionMessages.java.html"><b><i>View Source</i></b></a>
*
* @author  Brian Wing Shun Chan
* @version $Revision: 1.9 $
*
*/
public class SessionMessages {

  public static final String KEY = SessionMessages.class.getName();

  // Servlet Request

  public static void add(HttpServletRequest req, String key) {
    add(req.getSession(), key);
  }

  public static void add(HttpSession ses, String key) {
    Map messages = _getMessages(ses);

    messages.put(key, key);
  }

  public static void add(HttpServletRequest req, String key, Object value) {
    add(req.getSession(), key, value);
  }

  public static void add(HttpSession ses, String key, Object value) {
    Map messages = _getMessages(ses);

    messages.put(key, value);
  }

  public static void clear(HttpServletRequest req) {
    clear(req.getSession());
  }

  public static void clear(HttpSession ses) {
    Map messages = _getMessages(ses);

    messages.clear();
  }

  public static boolean contains(HttpServletRequest req, String key) {
    return contains(req.getSession(), key);
  }

  public static boolean contains(HttpSession ses, String key) {
    Map messages = _getMessages(ses);

    return messages.containsKey(key);
  }

  public static Object get(HttpServletRequest req, String key) {
    return get(req.getSession(), key);
  }

  public static Object get(HttpSession ses, String key) {
    Map messages = _getMessages(ses);

    return messages.get(key);
  }

  public static boolean isEmpty(HttpServletRequest req) {
    return isEmpty(req.getSession());
  }

  public static boolean isEmpty(HttpSession ses) {
    Map messages = _getMessages(ses);

    return messages.isEmpty();
  }

  public static Iterator iterator(HttpServletRequest req) {
    return iterator(req.getSession());
  }

  public static Iterator iterator(HttpSession ses) {
    Map messages = _getMessages(ses);

    return Collections.unmodifiableSet(messages.keySet()).iterator();
  }

  public static void print(HttpServletRequest req) {
    print(req.getSession());
  }

  public static void print(HttpSession ses) {
    Iterator itr = iterator(ses);

    while (itr.hasNext()) {
      Logger.info(SessionMessages.class, itr.next().toString());
    }
  }

  public static int size(HttpServletRequest req) {
    return size(req.getSession());
  }

  public static int size(HttpSession ses) {
    Map messages = _getMessages(ses);

    return messages.size();
  }

  private static Map _getMessages(HttpSession ses) {
    Map messages = null;

    try {
      messages = (Map)ses.getAttribute(KEY);

      if (messages == null) {
        messages = new LinkedHashMap();

        ses.setAttribute(KEY, messages);
      }
    }
    catch (IllegalStateException ise) {
      messages = new LinkedHashMap();
    }

    return messages;
  }

  // Portlet Request

  public static void add(PortletRequest req, String key) {
    add(req.getPortletSession(), key);
  }

  public static void add(PortletSession ses, String key) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    messages.put(key, key);
  }

  public static void add(PortletRequest req, String key, Object value) {
    add(req.getPortletSession(), key, value);
  }

  public static void add(PortletSession ses, String key, Object value) {
    PortletSessionImpl sessImpl = (PortletSessionImpl) ses;
    Map messages = _getMessages(sessImpl.getSession());

    messages.put(key, value);
  }

  public static void clear(PortletRequest req) {
    clear(req.getPortletSession());
  }

  public static void clear(PortletSession ses) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    messages.clear();
  }

  public static boolean contains(PortletRequest req, String key) {
    return contains(req.getPortletSession(), key);
  }

  public static boolean contains(PortletSession ses, String key) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    return messages.containsKey(key);
  }

  public static Object get(PortletRequest req, String key) {
    return get(req.getPortletSession(), key);
  }

  public static Object get(PortletSession ses, String key) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    return messages.get(key);
  }

  public static boolean isEmpty(PortletRequest req) {
    return isEmpty(req.getPortletSession());
  }

  public static boolean isEmpty(PortletSession ses) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    return messages.isEmpty();
  }

  public static Iterator iterator(PortletRequest req) {
    return iterator(req.getPortletSession());
  }

  public static Iterator iterator(PortletSession ses) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    return Collections.unmodifiableSet(messages.keySet()).iterator();
  }

  public static void print(PortletRequest req) {
    print(req.getPortletSession());
  }

  public static void print(PortletSession ses) {
    Iterator itr = iterator(ses);

    while (itr.hasNext()) {
      Logger.info(SessionMessages.class, itr.next().toString());
    }
  }

  public static int size(PortletRequest req) {
    return size(req.getPortletSession());
  }

  public static int size(PortletSession ses) {
    Map messages = _getMessages(((PortletSessionImpl) ses).getSession());

    return messages.size();
  }


}
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