org.n52.web.common.RequestUtils.java Source code

Introduction

Here is the source code for org.n52.web.common.RequestUtils.java

Source

/*
 * Copyright (C) 2013-2016 52North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public License
 * version 2 and the aforementioned licenses.
 *
 * 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 General Public License
 * for more details.
 */
package org.n52.web.common;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

/**
 *
 * @author <a href="mailto:m.rieke@52north.org">Matthes Rieke</a>
 */
public class RequestUtils {

    /**
     * Get the full request {@link URL} including the query parameter
     *
     * @return Request {@link URL} with query parameter
     * @throws IOException
     * @throws URISyntaxException
     */
    public static String resolveFullRequestUrl() throws IOException, URISyntaxException {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes())
                .getRequest();

        URL url = new URL(request.getRequestURL().toString());

        String scheme = url.getProtocol();
        String userInfo = url.getUserInfo();
        String host = url.getHost();

        int port = url.getPort();

        String path = request.getRequestURI();
        if (path != null && path.endsWith("/")) {
            path = path.substring(0, path.length() - 1);
        }
        String query = request.getQueryString();

        URI uri = new URI(scheme, userInfo, host, port, path, query, null);
        return uri.toString();
    }

    /**
     * Get the request {@link URL} without the query parameter
     *
     * @return Request {@link URL} without query parameter
     * @throws IOException
     * @throws URISyntaxException
     */
    public static String resolveQueryLessRequestUrl() throws IOException, URISyntaxException {
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes())
                .getRequest();

        URL url = new URL(request.getRequestURL().toString());

        String scheme = url.getProtocol();
        String userInfo = url.getUserInfo();
        String host = url.getHost();

        int port = url.getPort();

        String path = request.getRequestURI();
        if (path != null && path.endsWith("/")) {
            path = path.substring(0, path.length() - 1);
        }

        URI uri = new URI(scheme, userInfo, host, port, path, null, null);
        return uri.toString();
    }

}