HttpSource.java

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.dcm4chee.archive.rs;

import javax.servlet.http.HttpServletRequest;

import org.dcm4chee.archive.dto.Participant;

/**
 * @author Umberto Cappellini <umberto.cappellini@agfa.com>
 *
 */
public class HttpSource implements Participant {

    private HttpServletRequest request;
    
    public HttpSource(HttpServletRequest request) {
        super();
        this.request = request;
    }

    @Override
    public String getIdentity() {
        if (request != null)
            return unknownIfNull(request.getRemoteUser());
        else
            return Participant.UNKNOWN;
    }
    @Override
    public String getIP()
    {
        if(request!=null)
            return unknownIfNull(request.getRemoteAddr());
        else
            return Participant.UNKNOWN;
    }
    @Override
    public String getHost() {
        if (request != null)
            return unknownIfNull(request.getRemoteHost());
        else
            return Participant.UNKNOWN;
    }
    
    @Override public String toString() {
        return request!=null ? request.toString():null;
    }

    private static String unknownIfNull(String value) {
        return value != null ? value : Participant.UNKNOWN;
    }

    @Override
    public Object unwrap() {
        return request;
    }
}