88 lines
2.9 KiB
Java
88 lines
2.9 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.td.gxtservice.server;
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import java.io.ByteArrayOutputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.gcube.portlets.user.td.gxtservice.server.file.FileUploadSession;
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import org.gcube.portlets.user.td.gxtservice.shared.csv.CSVFileUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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*
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* @author "Giancarlo Panichi"
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* <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class CSVImportFileServlet extends HttpServlet {
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protected static Logger logger = LoggerFactory.getLogger(CSVImportFileServlet.class);
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/**
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*
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*/
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private static final long serialVersionUID = -4197748678713054285L;
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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handleRequest(req, resp);
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}
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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handleRequest(req, resp);
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}
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protected void handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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logger.info("CSVImportFileServlet");
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long startTime = System.currentTimeMillis();
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HttpSession session = request.getSession();
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if(session==null){
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logger.error("Error getting the upload session, no session valid found: "+session);
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response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "ERROR-Error getting the user session, no session found"+session);
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return ;
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}
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logger.info("CSVImportFileServlet import session id: "+session.getId());
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FileUploadSession fileUploadSession=SessionUtil.getFileUploadSession(session);
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if (fileUploadSession == null)
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{
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logger.error("Error getting the upload session, no fileUploadSession found: "+fileUploadSession);
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response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "ERROR-Error getting the user session, no fileUploadSession found: "+fileUploadSession);
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return ;
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}
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response.setContentType("application/json; charset=utf-8");
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Charset outputCharset = Charset.forName("Utf-8");
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ByteArrayOutputStream os = new ByteArrayOutputStream();
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CSVFileUtil.toJson(new FileInputStream(fileUploadSession.getCsvFile()), os, outputCharset, fileUploadSession.getParserConfiguration(), 100);
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logger.trace("json: "+os.toString());
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System.out.println("json: "+os.toString());
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response.getOutputStream().write(os.toByteArray());
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//CSVFileUtil.toJson(new FileInputStream(importSession.getCsvFile()), response.getOutputStream(), outputCharset, importSession.getParserConfiguration(), 100);
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response.setStatus(HttpServletResponse.SC_OK);
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logger.trace("Response in "+(System.currentTimeMillis()-startTime));
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}
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}
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