fr.paris.lutece.plugins.directory.utils.UrlUtils.java Source code

Introduction

Here is the source code for fr.paris.lutece.plugins.directory.utils.UrlUtils.java

Source

/*
 * Copyright (c) 2002-2014, Mairie de 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.directory.utils;

import org.apache.commons.lang.StringUtils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 *
 * UrlUtils
 *
 */
public final class UrlUtils {
    private static final String INTERROGATION_MARK = "?";
    private static final String AMPERSAND = "&";
    private static final String EQUAL = "=";

    /**
     * Private constructor
     */
    private UrlUtils() {
    }

    /**
     * Get the parameter map from a given url
     * @param strUrl the url
     * @return the parameter map
     */
    public static Map<String, List<String>> getMapParametersFromUrl(String strUrl) {
        Map<String, List<String>> mapParameters = new HashMap<String, List<String>>();

        if (StringUtils.isNotBlank(strUrl) && (strUrl.indexOf(INTERROGATION_MARK) > 0)) {
            String strUrlParameters = strUrl.substring(strUrl.indexOf(INTERROGATION_MARK) + 1);
            String[] listParameters = strUrlParameters.split(AMPERSAND);

            if ((listParameters != null) && (listParameters.length > 0)) {
                for (String strParameter : listParameters) {
                    String[] parameter = strParameter.split(EQUAL);

                    if ((parameter != null) && (parameter.length == 2)) {
                        List<String> listParameterValues = mapParameters.get(parameter[0]);

                        if ((listParameterValues != null) && !listParameterValues.isEmpty()) {
                            listParameterValues.add(parameter[1]);
                        } else {
                            listParameterValues = new ArrayList<String>();
                            listParameterValues.add(parameter[1]);
                            mapParameters.put(parameter[0], listParameterValues);
                        }
                    }
                }
            }
        }

        return mapParameters;
    }
}