IterationHttpServletRequestWrapper.java

/*
 * Copyright (c) 2002-2022, City of Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.forms.web.http;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

/**
 * 
 * Wrapper of ServletRequest for entry of type iterable Group
 *
 */
public class IterationHttpServletRequestWrapper extends HttpServletRequestWrapper
{
    // Pattern
    private static final String PATTERN_PARAM_PREFIX_ITERATION = "nIt%s_";

    public static final String ATTRIBUTE_RESPONSE_ITERATION_NUMBER = "response_iteration_number";

    // Variable
    private String _strIterationParameterName;

    /**
     * Constructor
     * 
     * @param request
     *            The HttpServletRequest base
     * @param nIterationNumber
     *            The iteration number
     */
    public IterationHttpServletRequestWrapper( HttpServletRequest request, int nIterationNumber )
    {
        super( request );
        _strIterationParameterName = String.format( PATTERN_PARAM_PREFIX_ITERATION, nIterationNumber );
        request.setAttribute( ATTRIBUTE_RESPONSE_ITERATION_NUMBER, nIterationNumber );
    }

    /**
     * {@inheritDoc}
     */
    public String [ ] getParameterValues( String name )
    {
        return super.getParameterValues( _strIterationParameterName + name );
    }

    /**
     * {@inheritDoc}
     */
    public String getParameter( String name )
    {
        return super.getParameter( _strIterationParameterName + name );
    }
}