Package org.richfaces.component

Source Code of org.richfaces.component.FileUploadPhaselistener

/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
*/


package org.richfaces.component;

import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;

import org.ajax4jsf.exception.FileUploadException;
import org.ajax4jsf.request.MultipartRequest;

/**
* @author Nick Belaevski
* @since 3.3.1
*/
public class FileUploadPhaselistener implements PhaseListener {

  /**
   *
   */
  private static final long serialVersionUID = -3243506714022741982L;

  /* (non-Javadoc)
   * @see javax.faces.event.PhaseListener#afterPhase(javax.faces.event.PhaseEvent)
   */
  public void afterPhase(PhaseEvent event) {
  }

  /* (non-Javadoc)
   * @see javax.faces.event.PhaseListener#beforePhase(javax.faces.event.PhaseEvent)
   */
  public void beforePhase(PhaseEvent event) {
    FacesContext facesContext = event.getFacesContext();
    ExternalContext externalContext = facesContext.getExternalContext();
    Object request = (MultipartRequest) externalContext.getRequestMap().get(
        FileUploadConstants.FILE_UPLOAD_REQUEST_ATTRIBUTE_NAME);
   
    if (request instanceof MultipartRequest) {
      MultipartRequest multipartRequest = (MultipartRequest) request;
      try {
        multipartRequest.parseRequest();
        if (!multipartRequest.isDone()) {
          facesContext.responseComplete();
        }
      } catch (FileUploadException e) {
        facesContext.responseComplete();
        throw e;
      }
    }
  }

  /* (non-Javadoc)
   * @see javax.faces.event.PhaseListener#getPhaseId()
   */
  public PhaseId getPhaseId() {
    return PhaseId.RESTORE_VIEW;
  }

}
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