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eFaps WebApp provides a web interface as the User Interface for eFaps which can be easily expanded and altered.

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/*
 * Copyright 2003 - 2012 The eFaps Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Revision:        $Rev: 7569 $
 * Last Changed:    $Date: 2012-05-31 23:17:54 -0500 (Thu, 31 May 2012) $
 * Last Changed By: $Author: [email protected] $
 */


package org.efaps.ui.wicket.util;

import java.util.List;

import org.apache.wicket.request.IRequestParameters;
import org.apache.wicket.util.string.StringValue;


/**
 * TODO comment!
 *
 * @author The eFaps Team
 * @version $Id: ParameterUtil.java 7569 2012-06-01 04:17:54Z [email protected] $
 */
public class ParameterUtil
{

    /**
     * Get an array for the StringValues.
     * @param _parameters       IRequestParameters
     * @param _parameterName    name of the Paramaters
     * @return always StringArray, if parameter does not exist an empty StringArray
     */
    public static String[] parameter2Array(final IRequestParameters _parameters,
                                           final String _parameterName)
    {
        final List values = _parameters.getParameterValues(_parameterName);
        return ParameterUtil.stringValues2Array(values);
    }

   /**
    * Get an array for the StringValues.
    * @param _parameters       IRequestParameters
    * @param _parameterName    name of the Paramaters
    * @return always StringArray, if parameter does not exist an empty StringArray
    */
   public static String[] stringValues2Array(final List values)
   {
       final String[] ret;
       if (values != null) {
           ret  = new String[values.size()];
           int i = 0;
           for (final StringValue value : values) {
               ret[i] = value.toString();
               i++;
           }
       } else {
           ret = new String[0];
       }
       return ret;
   }
}