JQuery File Upload

package test.att.rs;
 
 
import com.sun.jersey.core.header.FormDataContentDisposition;
import com.sun.jersey.multipart.FormDataParam;
 
import java.io.IOException;
import java.io.InputStream;
 
import java.util.Collections;
import java.util.List;
 
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
 
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
 
import org.apache.commons.io.IOUtils;
 
import test.att.ejb.AttSessionEJB;
import test.att.ejb.TestAttachment;
 
 
@Path("/attRS")
public class AttRS {
    private static String[] whiteList = {".pdf", ".doc"};
    private AttSessionEJB attBean;
    private String mappedName = 
        "FLASApp-TestAttachment-AttSessionEJB#test.att.ejb.AttSessionEJB";
 
    private boolean inWhiteList(String fileName){
        for (String str : whiteList){
            if (fileName.endsWith(str)){
                return true;
            }
        }
        return false;
    }
 
    public AttRS() {
        super();
        Context ctx = null;
        try {
            ctx = getIniCtx();
            attBean = (AttSessionEJB)ctx.lookup(mappedName);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
 
    }
 
    @GET
    @Produces( { MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
    public List<TestAttachment> listAttachments() {
        System.out.println("listAttachments...");
        List<TestAttachment> all = attBean.getTestAttachmentFindAll();
        //TODO sort list
        Collections.sort(all);
        return all;
    }
 
    @GET
    @Path("{attId}")
    @Produces( { MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
    public TestAttachment findById(@PathParam("attId") String id){
        System.out.println("findById: " + id);
        TestAttachment att = attBean.findByPrimaryKey(id);
        att.setAttachment(null);
        return att;
    }
 
    @POST
    @Consumes(MediaType.MULTIPART_FORM_DATA)
    public Response create(
        @FormDataParam("attId") String id, 
        @FormDataParam("file") InputStream is, 
        @FormDataParam("file") FormDataContentDisposition fileDetails) {
        System.out.println("Adding attachment with id " + id 
                           + " and file name: " + fileDetails.getFileName());
        if (!inWhiteList(fileDetails.getFileName())){
            return Response.status(400).entity("File type not supported.").build();
        }
        TestAttachment att = new TestAttachment();
        att.setId(id);
        try {
            byte[] ba = IOUtils.toByteArray(is);
            System.out.println("InputStream size: " + ba.length);
            att.setAttachment(ba);
            att.setFileName(fileDetails.getFileName());
        } catch (IOException e) {
            System.err.println(e.getMessage());
            return Response.status(400).entity("Error saving file").build();
        }
        attBean.persistTestAttachment(att);
        return Response.status(200).entity("OK").build();
    }
 
    @GET
    @Path("/downloadFile")
    @Produces(MediaType.APPLICATION_OCTET_STREAM)
    public Response downloadFile(@QueryParam(value = "attId") String id){
        TestAttachment att = attBean.findByPrimaryKey(id);
        System.out.println("Attachment size: " + att.getAttachment().length);
        String fn = att.getId();
        if (att != null && att.getFileName() != null){
            fn = att.getFileName();
        }
        return Response
            .ok(att.getAttachment(), MediaType.APPLICATION_OCTET_STREAM)
            .header("content-disposition", "attachment; filename = " + att.getFileName()).build();
    }
 
    private static Context getIniCtx() throws NamingException {
        return new InitialContext();
    }
 
}