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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// 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.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.servlet.base;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.authentication.IAuthToken;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.logging.ILogger;
import com.netscape.cms.servlet.common.CMSRequest;
import com.netscape.cms.servlet.common.ECMSGWException;
/**
* This is the servlet that displays the html page for the corresponding input id.
*
* @version $Revision$, $Date$
*/
public class DisplayHtmlServlet extends CMSServlet {
/**
*
*/
private static final long serialVersionUID = -4343458180370708327L;
public final static String PROP_TEMPLATE = "template";
public final static String PROP_HTML_PATH = "htmlPath";
private String mHTMLPath = null;
public DisplayHtmlServlet() {
super();
}
public void init(ServletConfig sc) throws ServletException {
super.init(sc);
mHTMLPath = sc.getInitParameter(PROP_HTML_PATH);
mTemplates.remove(CMSRequest.SUCCESS);
}
/**
* Serves HTTP request.
*/
public void process(CMSRequest cmsReq) throws EBaseException {
CMS.debug("DisplayHtmlServlet about to service ");
IAuthToken authToken = authenticate(cmsReq);
try {
String realpath =
mServletConfig.getServletContext().getRealPath("/" + mHTMLPath);
if (realpath == null) {
mLogger.log(
ILogger.EV_SYSTEM, ILogger.S_OTHER, ILogger.LL_FAILURE,
CMS.getLogMessage("CMSGW_NO_FIND_TEMPLATE", mHTMLPath));
throw new ECMSGWException(CMS.getLogMessage("CMSGW_ERROR_DISPLAY_TEMPLATE"));
}
File file = new File(realpath);
long flen = file.length();
byte[] bin = new byte[(int) flen];
FileInputStream ins = new FileInputStream(file);
int len = 0;
if (ins.available() > 0) {
len = ins.read(bin);
}
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bos.write(bin, 0, len);
bos.writeTo(cmsReq.getHttpResp().getOutputStream());
ins.close();
bos.close();
} catch (IOException e) {
log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSGW_ERR_OUT_TEMPLATE", mHTMLPath, e.toString()));
throw new ECMSGWException(CMS.getLogMessage("CMSGW_ERROR_DISPLAY_TEMPLATE"));
}
}
}
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