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Commit 5396f0f0 authored by andres's avatar andres
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Crear archivo desde blob

parent 8e150889
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Source Packages/conexionDB/documentoDB.java
+ 63
− 1
View file @ 5396f0f0
......@@ -5,7 +5,13 @@
*/
package conexionDB;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
......@@ -61,7 +67,7 @@ public class documentoDB {
documento.setResumen(rs.getString("resumen"));
documento.setFechaCreacion(rs.getDate("fechaCreacion"));
documento.setFechaModificacion(rs.getDate("fechaModificacion"));
documento.setDocumento(rs.getBlob("documento"));
documentos.add(documento);
}
......@@ -76,6 +82,43 @@ public class documentoDB {
}
}
public static ArrayList<Documento> getFiles(int idNook) throws FileNotFoundException, IOException {
ConnectionPool pool = ConnectionPool.getInstance();
Connection connection = pool.getConnection();
ResultSet rs = null;
ArrayList<Documento> documentos=new ArrayList();
String consulta = "SELECT * FROM Documento WHERE nook = ?";
try {
PreparedStatement ps = connection.prepareStatement(consulta);
ps.setInt(1, idNook);
rs = ps.executeQuery();
while (rs.next()) {
Documento documento=new Documento();
documento.setNook(rs.getInt("nook"));
documento.setNombre(rs.getString("nombre"));
documento.setResumen(rs.getString("resumen"));
documento.setFechaCreacion(rs.getDate("fechaCreacion"));
documento.setFechaModificacion(rs.getDate("fechaModificacion"));
documentos.add(documento);
InputStream is = rs.getBinaryStream("documento");
String str = convert(is);
new File("temp").mkdir();
File file = new File("temp/"+documento.getNombre());
FileOutputStream outputStream = new FileOutputStream(file);
outputStream.write(str.getBytes());
outputStream.close();
}
rs.close();
ps.close();
pool.freeConnection(connection);
return documentos;
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
public static int insertDocu(int idNook, Part documento) throws IOException {
ConnectionPool pool = ConnectionPool.getInstance();
Connection connection = pool.getConnection();
......@@ -98,4 +141,23 @@ public class documentoDB {
return 0;
}
}
private static String convert(InputStream is) {
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayOutputStream buf = new ByteArrayOutputStream();
int result;
String str = null;
try {
result = bis.read();
while (result != -1) {
buf.write((byte) result);
result = bis.read();
}
str = buf.toString("UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
return str;
}
}
Source Packages/servlet/descargarNookSV.java
+ 29
− 18
View file @ 5396f0f0
......@@ -5,13 +5,24 @@
*/
package servlet;
import conexionDB.documentoDB;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.InputStream;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import modelo.Documento;
/**
*
......@@ -28,24 +39,16 @@ public class descargarNookSV extends HttpServlet {
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
* @throws java.sql.SQLException
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
/* TODO output your page here. You may use following sample code. */
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet descargarNookSV</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet descargarNookSV at " + request.getContextPath() + "</h1>");
out.println("</body>");
out.println("</html>");
}
}
throws ServletException, IOException, SQLException {
HttpSession session = request.getSession(false);
String usuario = (String) session.getAttribute("usuario");
int nook = Integer.parseInt(request.getParameter("idNook"));
ArrayList<Documento> documentos = documentoDB.getFiles(nook);
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
......@@ -58,7 +61,11 @@ public class descargarNookSV extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
processRequest(request, response);
} catch (SQLException ex) {
Logger.getLogger(descargarNookSV.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
......@@ -72,7 +79,11 @@ public class descargarNookSV extends HttpServlet {
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
processRequest(request, response);
} catch (SQLException ex) {
Logger.getLogger(descargarNookSV.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
......
Source Packages/servlet/nookSV.java
+ 1
− 1
View file @ 5396f0f0
......@@ -57,8 +57,8 @@ public class nookSV extends HttpServlet {
request.setAttribute("comentarios",comentarios);
request.setAttribute("valoracion", valoracion);
request.setAttribute("cValoraciones", cValoraciones);
String url = "/paginaNook.jsp";
String url = "/paginaNook.jsp";
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
dispatcher.forward(request, response);
......
nbproject/project.properties
+ 88
− 88
View file @ 5396f0f0
......@@ -36,7 +36,7 @@ j2ee.compile.on.save=true
j2ee.copy.static.files.on.save=true
j2ee.deploy.on.save=true
j2ee.platform=1.7-web
j2ee.platform.classpath=${j2ee.server.home}/lib/annotations-api.jar:${j2ee.server.home}/lib/catalina-ant.jar:${j2ee.server.home}/lib/catalina-ha.jar:${j2ee.server.home}/lib/catalina-storeconfig.jar:${j2ee.server.home}/lib/catalina-tribes.jar:${j2ee.server.home}/lib/catalina.jar:${j2ee.server.home}/lib/derby.jar:${j2ee.server.home}/lib/derbyclient.jar:${j2ee.server.home}/lib/ecj-4.9.jar:${j2ee.server.home}/lib/el-api.jar:${j2ee.server.home}/lib/jasper-el.jar:${j2ee.server.home}/lib/jasper.jar:${j2ee.server.home}/lib/jaspic-api.jar:${j2ee.server.home}/lib/jsp-api.jar:${j2ee.server.home}/lib/servlet-api.jar:${j2ee.server.home}/lib/tomcat-api.jar:${j2ee.server.home}/lib/tomcat-coyote.jar:${j2ee.server.home}/lib/tomcat-dbcp.jar:${j2ee.server.home}/lib/tomcat-i18n-cs.jar:${j2ee.server.home}/lib/tomcat-i18n-de.jar:${j2ee.server.home}/lib/tomcat-i18n-es.jar:${j2ee.server.home}/lib/tomcat-i18n-fr.jar:${j2ee.server.home}/lib/tomcat-i18n-ja.jar:${j2ee.server.home}/lib/tomcat-i18n-ko.jar:${j2ee.server.home}/lib/tomcat-i18n-pt-BR.jar:${j2ee.server.home}/lib/tomcat-i18n-ru.jar:${j2ee.server.home}/lib/tomcat-i18n-zh-CN.jar:${j2ee.server.home}/lib/tomcat-jdbc.jar:${j2ee.server.home}/lib/tomcat-jni.jar:${j2ee.server.home}/lib/tomcat-util-scan.jar:${j2ee.server.home}/lib/tomcat-util.jar:${j2ee.server.home}/lib/tomcat-websocket.jar:${j2ee.server.home}/lib/websocket-api.jar
j2ee.platform.classpath=${j2ee.server.home}/lib/annotations-api.jar:${j2ee.server.home}/lib/catalina-ant.jar:${j2ee.server.home}/lib/catalina-ha.jar:${j2ee.server.home}/lib/catalina-storeconfig.jar:${j2ee.server.home}/lib/catalina-tribes.jar:${j2ee.server.home}/lib/catalina.jar:${j2ee.server.home}/lib/derby.jar:${j2ee.server.home}/lib/derbyclient.jar:${j2ee.server.home}/lib/ecj-4.4.2.jar:${j2ee.server.home}/lib/el-api.jar:${j2ee.server.home}/lib/jasper-el.jar:${j2ee.server.home}/lib/jasper.jar:${j2ee.server.home}/lib/jsp-api.jar:${j2ee.server.home}/lib/servlet-api.jar:${j2ee.server.home}/lib/tomcat-api.jar:${j2ee.server.home}/lib/tomcat-coyote.jar:${j2ee.server.home}/lib/tomcat-dbcp.jar:${j2ee.server.home}/lib/tomcat-i18n-es.jar:${j2ee.server.home}/lib/tomcat-i18n-fr.jar:${j2ee.server.home}/lib/tomcat-i18n-ja.jar:${j2ee.server.home}/lib/tomcat-jdbc.jar:${j2ee.server.home}/lib/tomcat-jni.jar:${j2ee.server.home}/lib/tomcat-util-scan.jar:${j2ee.server.home}/lib/tomcat-util.jar:${j2ee.server.home}/lib/tomcat-websocket.jar:${j2ee.server.home}/lib/websocket-api.jar
j2ee.server.type=Tomcat
jar.compress=false
javac.classpath=\
......
web/paginaNook.jsp
+ 1
− 1
View file @ 5396f0f0
......@@ -74,7 +74,7 @@ and open the template in the editor.
<li><a href="autorSV?nombre=<%=autor%>"><%=autor%></a></li>
<%}%>
<li><%=fecha%></li>
<li><button type="button">Descargar</button></li>
<li><button type="button" onclick="window.location.href='/descargarNookSV?idNook=<%=nook.getIdNook()%>'">Descargar</button></li>
<li><button type="button" onclick="window.location.href='/documentosSV?idNook=<%=nook.getIdNook()%>'">Ver archivos</button></li>
<li><text>Descargas: <%=descargas%></text></li>
</ul>
......
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