/**
 * Copyright (C) 2000 - 2013 Silverpeas
 *
 * 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.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * 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 com.stratelia.webactiv.util.viewGenerator.html.progressMessage;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import com.stratelia.webactiv.util.viewGenerator.html.GraphicElementFactory;

public class ProgressMessageTag extends TagSupport {

  private static final long serialVersionUID = 1L;
  private List<String> messages = new ArrayList<String>();

  @Override
  public int doEndTag() throws JspException {
    GraphicElementFactory gef = (GraphicElementFactory) pageContext.getSession().getAttribute(
        GraphicElementFactory.GE_FACTORY_SESSION_ATT);
    ProgressMessage progress = gef.getProgressMessage(messages);
    try {
      pageContext.getOut().println(progress.print());
    } catch (IOException e) {
      throw new JspException("ProgressMessageTag Tag", e);
    }
    return EVAL_PAGE;
  }

  @Override
  public int doStartTag() throws JspException {
    return EVAL_BODY_INCLUDE;
  }

  /**
   * @return the alternative messages
   */
  public List<String> getMessages() {
    return messages;
  }

  /**
   * @param messages alternatives messages to default ones
   */
  public void setMessages(List<String> messages) {
    this.messages = messages;
  }
}
