friendica-addons/js_upload/file-uploader/server/OctetStreamReader.java

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Java
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2011-09-25 08:56:03 +00:00
/*
* Copyright 2010 Blue Lotus Software, LLC.
* Copyright 2010 John Yeary <jyeary@bluelotussoftware.com>.
* Copyright 2010 Allan O'Driscoll
*
* Dual Licensed MIT and GPL v.2
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*
* The GNU General Public License (GPL) Version 2, June 1991
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bluelotussoftware.apache.commons.fileupload.example;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.IOUtils;
/**
* Reads an <code>application/octet-stream</code> and writes it to a file.
* @author John Yeary <jyeary@bluelotussoftware.com>
* @author Allan O'Driscoll
* @version 1.0
*/
public class OctetStreamReader extends HttpServlet {
private static final long serialVersionUID = 6748857432950840322L;
private static final String DESTINATION_DIR_PATH = "files";
private static String realPath;
/**
* {@inheritDoc}
* @param config
* @throws ServletException
*/
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
realPath = getServletContext().getRealPath(DESTINATION_DIR_PATH) + "/";
}
/**
* Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException {
PrintWriter writer = null;
InputStream is = null;
FileOutputStream fos = null;
try {
writer = response.getWriter();
} catch (IOException ex) {
log(OctetStreamReader.class.getName() + "has thrown an exception: " + ex.getMessage());
}
String filename = request.getHeader("X-File-Name");
try {
is = request.getInputStream();
fos = new FileOutputStream(new File(realPath + filename));
IOUtils.copy(is, fos);
response.setStatus(response.SC_OK);
writer.print("{success: true}");
} catch (FileNotFoundException ex) {
response.setStatus(response.SC_INTERNAL_SERVER_ERROR);
writer.print("{success: false}");
log(OctetStreamReader.class.getName() + "has thrown an exception: " + ex.getMessage());
} catch (IOException ex) {
response.setStatus(response.SC_INTERNAL_SERVER_ERROR);
writer.print("{success: false}");
log(OctetStreamReader.class.getName() + "has thrown an exception: " + ex.getMessage());
} finally {
try {
fos.close();
is.close();
} catch (IOException ignored) {
}
}
writer.flush();
writer.close();
}
}