cmsexportrequest.java

内容管理

/*
* File   : $Source: /usr/local/cvs/opencms/src/com/opencms/core/CmsExportRequest.java,v $
* Date   : $Date: 2002/12/06 16:00:50 $
* Version: $Revision: 1.9 $
*
* This library is part of OpenCms -
* the Open Source Content Mananagement System
*
* Copyright (C) 2001  The OpenCms Group
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about OpenCms, please see the
* OpenCms Website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.opencms.core;

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import javax.servlet.http.HttpServletRequest;

/**
 * Implementation of the I_CmsRequest interface which is used to request pages
 * during a static export.<p>
 * 
 * @version $Revision: 1.9 $ $Date: 2002/12/06 16:00:50 $
 */
public class CmsExportRequest implements I_CmsRequest {

    /**
     * The resource requested.
     */
    private String m_resourcePath;

    /**
     * the parameters for this request.
     */
    private Hashtable m_parameters = null;

    /**
     * We don't want to strore the original request, but we need this values.
     */
    private String m_webAppUrl="";
    private String m_servletUrl="";
    private String m_serverName="";
    private String m_scheme="";
    private int m_serverPort;

    public CmsExportRequest( HttpServletRequest req) {
        try {
            m_webAppUrl = req.getContextPath();
        } catch(NoSuchMethodError err) {
            // this is the old servlet-api without this method
            // ignore this missing method and the context-path
        }
        m_serverName = req.getServerName();
        m_scheme = req.getScheme();
        m_serverPort = req.getServerPort();
        m_servletUrl = m_webAppUrl + req.getServletPath();
    }
    public CmsExportRequest(String webAppUrl, String servletUrl) {
        m_webAppUrl = webAppUrl;
        m_servletUrl = servletUrl;
    }
    public byte[] getFile(String name) {
        return null;
    }
    public Enumeration getFileNames() {
        Enumeration enu = (new Vector()).elements();
        return enu;
    }
    public Object getOriginalRequest() {
        throw new java.lang.UnsupportedOperationException("Method getOriginalRequest not supported in StaticExport.");
    }
    public void setOriginalRequest(Object request) {
        throw new java.lang.UnsupportedOperationException("Method setOriginalRequest not supported in StaticExport.");
    }    
    public int getOriginalRequestType() {
        throw new java.lang.UnsupportedOperationException("Method getOriginalRequestType not supported in StaticExport.");
    }
    public String getParameter(String name) {
        if(m_parameters != null){
            String[] res = (String[])m_parameters.get(name);
            if(res != null){
                return res[0];
            }
        }
        return null;
    }
    public Enumeration getParameterNames() {
        if(m_parameters == null){
            Enumeration enu = (new Vector()).elements();
            return enu;
        }else{
            return m_parameters.keys();
        }
    }
    public String[] getParameterValues(String key) {
        if(m_parameters != null){
            return (String[])m_parameters.get(key);
        }
        return null;
    }
    /**
     * sets the parameters for this static export.
     * @param parameters The Hashtable with the parameters (contains String[])
     */
    public void setParameters(Hashtable parameters){
        m_parameters = parameters;
    }
    
    public String getRequestedResource() {
        if (m_resourcePath != null) { 
            return m_resourcePath;
        } else {
            m_resourcePath = "/";
        }       
        return m_resourcePath;
    }
    
    public void setRequestedResource(String res){
        m_resourcePath = res;
    }

    /**
     * Returns the part of the Url that descibes the Web-Application.
     *
     * E.g: http://www.myserver.com/opencms/engine/index.html returns
     * http://www.myserver.com/opencms
     */
    public String getWebAppUrl() {
        return m_webAppUrl;
    }

    /**
     * Gets the part of the Url that describes the current servlet of this
     * Web-Application.
     */
    public String getServletUrl() {
        return m_servletUrl;
    }
    /**
     * Methods to get the data from the original request.
     */
    public String getServerName(){
        return m_serverName;
    }
    /**
     * Methods to get the data from the original request.
     */
    public int getServerPort(){
        return m_serverPort;
    }
    /**
     * Methods to get the data from the original request.
     */
    public String getScheme(){
        return m_scheme;
    }
}