Frustration on impossible to import files of jasper in my managed Bean?

Mr President.

I manage not to import from jasper and binding file in my bean managed in my application.

My application look like this

Jasper folder app folder.gif

The folder contains files

Jasper lib.gif

The Application looks like

jasper report app.gif

The bean code is as

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.util.HashMap;
import java.util.Map;
import javax.faces.context.FacesContext;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.ServletContext;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.type.WhenNoDataTypeEnum;
import net.sf.jasperreports.engine.util.JRLoader;
import oracle.adf.model.BindingContext;
import oracle.adf.model.binding.DCIteratorBinding;
import oracle.binding.BindingContainer;




public class JasperBean
{
  public JasperBean()
  {
  }


  public String runReportAction()
  {
    DCIteratorBinding empIter = (DCIteratorBinding) getBindings().get("EmployeesView1Iterator");
    String empId = empIter.getCurrentRow().getAttribute("EmployeeId").toString();
    Map m = new HashMap();
    m.put("employeeId", empId);
    try
    {
      runReport("empReport.jasper", m);
    }
    catch (Exception e)
    {
    }
    return null;
  }


  public BindingContainer getBindings()
  {
    return BindingContext.getCurrent().getCurrentBindingsEntry();
  }

  public Connection getDataSourceConnection(String dataSourceName)
      throws Exception
    {
      Context ctx = new InitialContext();
      DataSource ds = (DataSource)ctx.lookup(dataSourceName);
      return ds.getConnection();
    }

  private Connection getConnection() throws Exception
  {
    return getDataSourceConnection("hrDS");
  }

  public  ServletContext getContext()
    {
      return (ServletContext)getFacesContext().getExternalContext().getContext();
    }
  public  HttpServletResponse getResponse()
    {
      return (HttpServletResponse)getFacesContext().getExternalContext().getResponse();
    }
  public static FacesContext getFacesContext()
    {
      return FacesContext.getCurrentInstance();
    }
  public void runReport(String repPath, java.util.Map param) throws Exception
  {
    Connection conn = null;
    try
    {
      HttpServletResponse response = getResponse();
      ServletOutputStream out = response.getOutputStream();
      response.setHeader("Cache-Control", "max-age=0");
      response.setContentType("application/pdf");
      ServletContext context = getContext();
      InputStream fs = context.getResourceAsStream("/reports/" + repPath);
      JasperReport template = (JasperReport) JRLoader.loadObject(fs);
      template.setWhenNoDataType(WhenNoDataTypeEnum.ALL_SECTIONS_NO_DETAIL);
      conn = getConnection();
      JasperPrint print = JasperFillManager.fillReport(template, param, conn);
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      JasperExportManager.exportReportToPdfStream(print, baos);
      out.write(baos.toByteArray());
      out.flush();
      out.close();
      FacesContext.getCurrentInstance().responseComplete();
    }
    catch (Exception jex)
    {
      jex.printStackTrace();
    }
    finally
    {  
      close(conn);
    }
  }

  public void close(Connection con)
   {
     if (con != null)
     {
       try
       {
         con.close();
       }
       catch (Exception e)
       {
       }
     }
   }
}

I am unable to get the import to

  DCIteratorBinding empIter = (DCIteratorBinding) getBindings().get("EmployeesView1Iterator");
      JasperReport template = (JasperReport) JRLoader.loadObject(fs);
      template.setWhenNoDataType(WhenNoDataTypeEnum.ALL_SECTIONS_NO_DETAIL);
JasperPrint print = JasperFillManager.fillReport(template, param, conn);
JasperExportManager.exportReportToPdfStream(print, baos);

Mr President, I'll be very grateful for any guidance on this topic.

Concerning

User, tell us your version of Jdev, please!

It is insufficient to simply add the jar in a folder in the workspace. You must create a new library in your project or in the world at Jdev do you use the library in all projects.

Open your project and select the node of the library and classpath. Here, you click on the new button, give the library a name like jasper and that each of the jars to your classpath registration record. If you have a jar source and doc, you can add them too. Select the check box by default deploy. Save the new library and add it to the project.

Now recompile the project and it should work. If you still see red underlines in your editor, close Jdev, delete the class of each project file in the workspace and start Jdev.

Timo

Tags: Java

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