Subversion Repositories bacoAlunos

package pt.estgp.estgweb.web;

import org.apache.log4j.Logger;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.ServletException;

import java.io.IOException;

import java.io.OutputStream;

import java.io.InputStream;

import jomm.dao.impl.AbstractDao;

import jomm.utils.StreamsUtils;

import jomm.utils.StringsUtils;

import pt.estgp.estgweb.domain.Image;

import pt.estgp.estgweb.domain.views.CourseUnitView;

import pt.estgp.estgweb.domain.dao.impl.ImageDaoImpl;

import pt.estgp.estgweb.services.data.ImageManager;

import pt.estgp.estgweb.services.data.IRepositoryFile;

import pt.estgp.estgweb.web.utils.RequestUtils;

import pt.utl.ist.berserk.logic.serviceManager.IServiceManager;

import pt.utl.ist.berserk.logic.serviceManager.ServiceManager;

import pt.utl.ist.berserk.logic.serviceManager.exceptions.ServiceManagerException;

import pt.utl.ist.berserk.logic.serviceManager.exceptions.FilterChainFailedException;

import pt.utl.ist.berserk.logic.filterManager.exceptions.*;

/**

 * @author Fabio

 * @date 4/Abr/2008

 * @time 11:03:00

 * @see pt.estgp.estgweb.web

 */

public class RepositoryStream extends HttpServlet

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(RepositoryStream.class);

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException

    {

        1.5.0/docs/api/java/lang/String.html">String objectRequired = request.getPathInfo();

        objectRequired = objectRequired.substring(1);

        long id = 1.5.0/docs/api/java/lang/Long.html">Long.parseLong(objectRequired.trim());

        IServiceManager sm = null;

        try

        {

            sm = ServiceManager.getInstance();

        }

        catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e)

        {

            logger.error(e,e);

            response.sendError(500);

            return;

        }

        1.5.0/docs/api/java/lang/String.html">String[] names = new 1.5.0/docs/api/java/lang/String.html">String[]{"identifier"};

        5+0%2Fdocs%2Fapi+Object">Object[] args = new 5+0%2Fdocs%2Fapi+Object">Object[]{""+ id};

        try

        {

            IRepositoryFile iRepositoryFile = (IRepositoryFile) sm.execute(RequestUtils.getRequester(request, response), "LoadRepositoryFile", args, names);

            if(iRepositoryFile == null)

            {

                response.sendError(404);

                return;

            }

            response.setContentLength(iRepositoryFile.getSize());

            response.setContentType(iRepositoryFile.getContentType());

            response.setHeader("Content-disposition","inline; filename=" + iRepositoryFile.getName());

            StreamsUtils.inputStream2OutputStream(iRepositoryFile.getInput(),response.getOutputStream());

        }

        catch(FilterChainFailedException fail)

        {

            response.sendError(401);

        }

        catch(1.5.0/docs/api/java/lang/Throwable.html">Throwable e)

        {

            logger.error(e,e);

            response.sendError(500);

        }

    }

}