Downloading a file help needed - Urgent

Can anyone let me know how do i download a file that resides in database(BLOB format) in different box(server) to the local client's machine without prompting for any of the download dialog box using java. Also after downloading the correct application should be launched to view the downloaded file.
thanks in advance
regds
chandru.

Hi kev,
Even I have done the same thing using servlets. But, My question is,
When i click the download button from my application. The file should be downloaded to a pre-defined directory in clients machine and then the approperiate application should be launched to view the file.All this operation should take place just at the click of download button. Is this possible?.
thanks
chandru
I've done this using a servlet. Assuming that the
user's browser has the correct plugin available then
you can call res.setContentType() and set the
mime-type of the file, then you can call
res.getOutputStream and stream the value from the
database (using the relevent getXxxStream method of
the BLOB) directly to the output. If for example your
content type is application/ms-word, then the word
plugin will be loaded and the file will be displayed.
If your problem is with Database access and not with
the display of the file, you'll have to let us know.
Hope this helps
Kev ([email protected])

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Somebody has started the conversation.
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I am pasting my Lab and My Codes I did so far, And Please I really need this done today at any rate, all help would be kindly appreciated.
A Java program is required that will produce a number of reports based on the data from the Product file. This file contains the product name, cost, quantity and UPC. The file name must be input. Valid data from the file will be loaded into an array.
A menu will provide the following options: (Note there are changes from previous assignment.)
1 Display of all valid product information including extended price and GST including totals sorted by name.
2 Display of all invalid records sorted by name.
3 Search and display a certain product by name.
4 Sort by UPC and use a binary search and display a certain product by UPC. (valid records)
9 Exit.
Processing requirements:
Input the data from a file and load the records into an object array. Use this object array to produce the above reports.
Code a class definition exactly as given in the following UML.
(For specific students: you may code the UPC as an integer but if not numeric throw an exception that is handled in main. Document your choice in your submission).
Product
? Name : String
? UPC : String
? Cost : Real
? Quantity : Integer
+ Product (Name : String, UPC : String, Cost : Real, Quantity : Integer)
+ Calculate Extended Cost() : Real
+ Calculate GST(): Real
Input Record:
Product name: String
UPC: String
Cost: real
Quantity: integer
Output Reports
1. Display of all product information including extended cost and GST including totals of these 3 fields.
Following is a sample of the output required:
************************ Product Cost REPORT ****************************
Product Cost Quantity Extended Cost GST Total Cost
Diamond Necklace 12345678901x 54,321.99 188 10,212,534.12 510,626.71 10,723,160.83
Tissues 98989898989x 1.99 2 3.98 0.20 4.18
TOTALS 10,212,538.10 510,626.91 10,723,165.01
2. Display of all invalid records and the count.
Following is a sample of the output required:
Invalid UPC Records = 1
Count Record
1 Tiara Diamond, 12345678901x, 36020.00, 2
3. Search and display a certain product by name. Display appropriate message if not found.
Following is a sample of the output required:
Enter product name: CrownJewels
CrownJewels 99999999991x 100,000.00 1 100,000.00 5,000.00 $105,000.00
6. Display the product information sorted by name
Following is a sample of the output required:
************************ Product Cost REPORT ****************************
Product Cost Quantity Extended Cost GST Total Cost
CrownJewels 99999999991x 100,000.00 1 100,000.00 5,000.00 $105,000.00
Diamond Necklace 12345678901x 54,321.99 188 10,212,534.12 510,626.71 $10,723,160.83
Pearls 88888888881x 10,000.00 1 10,000.00 500.00 $10,500.00
RubyRing 77777777771x 10,000.00 1 10,000.00 500.00 $10,500.00
Tissues 98989898989x 1.99 2 3.98 0.20 $4.18
TOTALS (complete these values) xxx xxx xxx
Java coding requirements for this assignment
Main methods required
1. Load array with all records. Display exception messages only for records that have invalid data in any of the fields. Return array of valid records and logical size.
2. Validate the UPC. Display each report when requested from the menu.
3. Justify the data in the columns. Right justify numeric fields; left justify the alpha fields.
4. A method for each report required in the menu.
Class methods
5. Use the object method for the extended cost.
6. Use the object method for the GST.
You may use additional methods in the main program but do not add any methods in the class definition.
Use DecimalFormat for rounding.
Create an array to hold the objects. Assume that we only need to process a file of a maximum of 500 records but the file may be larger than 500 records.
A Universal Product Code consists of 12 digits. The first digit (from the left) is the UPC type. The next five digits are the Manufacturer code. The next five digits are the product code which is assigned by the manufacturer. The final digit is the check digit. A person can determine the check digit of a Universal Product Code by doing the following:
Step 1: Sum all of the digits in the odd positions together.
0+4+0+1+5+9 = 19
Step 2: Multiply the sum from Step 1 by 3.
3 * 19 = 57
Step 3: Sum all of the digits in the even positions together.
6+2+0+1+8 = 17
Step 4: Sum together the results from Step 2 and Step 3.
17 + 57 = 74
Step 5: Subtract the sum from the next highest multiple of 10.
80 - 74 = 6 [check digit]
TEST DATA:
Step 1: Create 5 or MORE additional records that will test all conditions. Include these in your documentation. Identify what field is tested in your test data. (Example: error in each field of the record, rounding up, rounding down, valid UPC, invalid UPC, formatting of report, file too large
Step 2: Use the file attached.
GODDDDDDDDDDDDDD lol pasting it made me go crazy,
these are my codes so far, HOwever the problem is ONLY DISPLAY MENU SHOWS, nothing else even though i have enough codes that it can show something,
My codes are as follows:
I am working on Eclipse.
import java.util.Arrays;
import java.util.Scanner;
import java.io.*;
import java.util.*;
import java.io.IOException;
* Name : Sana Ghani
* Date : July 10
public class lab56
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 Product1[] validProduct = new Product1[500];
 int logicalSize = 0;
 int menuChoice=0;
 String FileName = getFileName();
 displayMenu();
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 displayAllValidRecords(validProduct, logicalSize);
 try
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 System.exit(-1);
 break;
 case 2:
 break;
 case 3:
 binarySearchByName( validProduct,logicalSize);
 break;
 case 4:
 break;
 case 5:
 break;
 menuChoice = displayMenu();
 public static void display(Product1[]validProduct, int logicalSize)throws Exception
 String Product, UPC;
 double Cost;
 int Quantity;
 for(int index =0; index<logicalSize; index++)
 Product = validProduct[index].GetName();
 UPC = validProduct[index].GetUPC();
 Cost=validProduct[index].GetCost();
 Quantity=validProduct[index].GetQuantity();
 System.out.println(Product+"\t\t"+UPC+"\t\t"+Cost+"\t\t"+Quantity);
 public static String getFileName()
 String fileName;
 Scanner input = new Scanner(System.in);
 System.out.print("Please enter a file name: ");
 fileName = input.next();
 return fileName;
 public static int displayMenu()
 int menuChoice;
 boolean validFlag = false;
 do
 System.out.println("\n\n*************************************");
 System.out.println(" Product Display Menu ");
 System.out.println("*************************************");
 System.out.println("(1)Display All Records");
 System.out.println("(2)Display All Invalid Records");
 System.out.println("(3)Search by Product Name");
 System.out.println("(4)Sort by Product Name");
 System.out.println("(5)Exit");
 System.out.println("*************************************");
 System.out.print("Enter your choice(1-5): ");
 menuChoice = input.nextInt();
 if ((menuChoice >= 1) && (menuChoice <= 5))
 validFlag = true;
 if (!validFlag)
 System.out.println("You have chosen " + menuChoice + ", " + menuChoice +
 " is not valid. Please try again");
 }while(!validFlag);
 return menuChoice;
 public static String loadArray(Product1 [] ValidProduct, String fileName)throws Exception
 int logicalSize=0;//will always have to declare
 String record;//will always have to declare
 String Product, UPC;//variable names from
 double Quantity;
 double Cost;
 Scanner file = new Scanner(new File(fileName));//open
 record = file.nextLine();//read a line
 record = file.nextLine();//read a line
 for(int index = 0; index < ValidProduct.length && file.hasNext(); index++)//check to see if the file has data
 record = file.nextLine();
 parse = new Scanner(record).useDelimiter(",");
 String Name = parse.next();
 UPC = parse.next();
 Cost = parse.nextDouble();
 Quantity=parse.nextDouble();
 ValidProduct[index] = new Product1 ( Name, UPC, Cost, (int) Quantity);
// create the object-- call the constructor and pass info
 logicalSize++;
 return logicalSize+".txt";
 public static double roundDouble(double value, int position)
 java.math.BigDecimal bd = new java.math.BigDecimal(value);
 bd = bd.setScale(position,java.math.BigDecimal.ROUND_UP);
 return bd.doubleValue();
 * This method will print report about valid records
 public static void displayAllRecords( Product1[]valid, int ValidProduct,
 Product1[] invalid, int InvalidProduct)
// Print valid records
 displayAllValidRecords(valid, ValidProduct);
// Print invalid UPC records
 displayAllValidRecords(invalid, InvalidProduct);
 public static void displayOneRecord(Product1[]valid, int index)
 double extendedCost, GST, SumofGST = 0, // Total Extended Cost
 totalCost, SumOfTotalCost = 0; // Total Extended Cost + GST
// Print title
 System.out.println(leftJustify("Product", 50) +
 leftJustify("UPC", 15) +
 rightJustify("Cost", 10) +
 rightJustify("Quantity", 5) +
 rightJustify("Extended Cost", 15) +
 rightJustify("GST", 5) +
 rightJustify("Total Cost", 13));
 extendedCost = valid[index].CalculateExtendedCost();
 extendedCost = roundDouble(extendedCost, 2);
 GST = valid[index].CalculateGST();
 GST = roundDouble(GST, 2);
 totalCost = extendedCost + GST;
 totalCost = roundDouble(totalCost, 2);
// justify method ensures all values are of the same size
 System.out.println(//leftJustify(i+"",3) + ": " +
 leftJustify(valid[index].GetName(), 50) +
 leftJustify(valid[index].GetUPC(), 15) +
 rightJustify(valid[index].GetCost()+"", 10) +
 rightJustify(valid[index].GetQuantity()+"", 5) +
 rightJustify(extendedCost+"", 10) +
 rightJustify(GST+"", 10) +
 rightJustify(totalCost+"", 10));
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 double extendedCost, sumOfExtendedCost = 0, // Total Extended Cost
 GST, sumOfGST = 0, // Total GST
 totalCost, sumOfTotalCost = 0; // Total Extended Cost + GST
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 "Cost REPORT ****************************" +
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 rightJustify("Qty", 5) +
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 rightJustify("Total Cost", 13));
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 Product1 temp;
 for (int outer = logicalSize-1; outer > 1; outer --)
 for (int inner = 0; inner < outer; inner ++)
 if (ValidProduct[inner].GetName().compareToIgnoreCase(ValidProduct[inner+1].GetName())>0)
 temp = ValidProduct[inner];
 ValidProduct[inner] = ValidProduct[inner + 1];
 ValidProduct [+ 1] = temp;
 public static void binarySearchByName(Product1 [] ValidProduct, int logicalSize)
 int high = logicalSize - 1;
 int low = 0;
 int mid = 0;
 int count = 0;
 int compare = 0;
 boolean found = false;
 System.out.print("Enter a product name");
 String product = input.nextLine();
 while (high >= low && !found)
 count += 1;
 mid = (high + low) / 2;
 compare = ValidProduct[mid].GetName().compareToIgnoreCase(product);
 if (compare == 0)
 System.out.println("Found: " + ValidProduct[mid].GetName());
 found = true;
 else if (compare < 0)
 low = mid + 1;
 else
 high = mid - 1;
 if (!found)
 System.out.println(product + " not found.");
 System.out.println(count + " steps");
 System.out.println();
 public static String leftJustify(String field, int width)
 StringBuffer buffer = new StringBuffer(field);
 while (buffer.length() < width)
 buffer.append(' ');
 return buffer.toString();
 public static String rightJustify(String field, int width)
 StringBuffer buffer = new StringBuffer(field);
 while (buffer.length() < width)
 buffer.append(' ');
 return buffer.toString();
 public static void displayValidRecords(Product1 [] ValidProduct, int logicalSize) throws Exception {
 long longMAX_POSSIBLE_UPC_CODE = 999999999999L;
 // set input stream and get number
 Scanner stdin = new Scanner(System.in);
 System.out.print("Enter a 12-digit UPC number: ");
 long input =stdin.nextLong();
 long number = input;
 // determine whether number is a possible UPC code
 if ((input < 0)|| (input > longMAX_POSSIBLE_UPC_CODE)) {
 // not a UPC code
 System.out.println(input +"is an invalid UPC code");
 else {
 // might be a UPC code
 // determine digits
 int d12 = (int) (number % 10);
 number /= 10;
 int d11 = (int) (number % 10);
 number /= 10;
 int d10 = (int) (number % 10);
 number /= 10;
 int d9 = (int) (number % 10);
 number /= 10;
 int d8 = (int) (number % 10);
 number /= 10;
 int d7 = (int) (number % 10);
 number /= 10;
 int d6 = (int) (number % 10);
 number /= 10;
 int d5 = (int) (number % 10);
 number /= 10;
 int d4 = (int) (number % 10);
 number /= 10;
 int d3 = (int) (number % 10);
 number /= 10;
 int d2 = (int) (number % 10);
 number /= 10;
 int d1 = (int) (number % 10);
 number /= 10;
 // compute sums of first 5 even digits and the odd digits
 int m = d2 + d4 d6 d8 + d10;
 int n = d1 + d3 d5 d7 + d9 + d11;
 // use UPC formula to determine required value for d12
 int r = 10 - ((m +3*n) % 10);
 // based on r, can test whether number is a UPC code
 if (r == d12) {
 // is a UPCcode
 System.out.println(input+" is a valid UPC code");
 else {
 // not a UPCcode
 System.out.println(input+" is not valid UPC code");
Any help would be great thanks !!
Take care,

1) It's your problem that you waited until the last minute before you went for help...not ours. We'll give your problem the same attention as anyone elses...therefore your problem isn't any more urgent than any other problem here.
2) I don't intend on doing your entire assignment. Nor do I intend on reading all of it. If you need help with a specific requirement, then post the information/code relevant to that requirement. I don't know how to help you when you bury the problem inside a 9 mile long essay.
3) Post code in tags so it's formatted and readable. (there's a *code* button up above that makes the tags for you).

Help neede urgently(Problem in adding exponential numbers)

Hi,
Actually i want to add the contents of two files which contains exponential numbers.
i'm not able to add these numbers. Can any one help me?
import java.io.*;
import java.nio.*;
class userFile
     public static void main(String[] args) throws IOException
          try
               BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
          String s1,s2,s3;
          FileReader fr1,fr2;
          System.out.println("Enter first file :");
          s1=br.readLine();
          System.out.println("Enter second file :");
          s2=br.readLine();
          System.out.println("Enter new file :");
          s3=br.readLine();
          fr1= new FileReader(s1);
          fr2= new FileReader(s2);
          BufferedReader fin1=new BufferedReader(fr1);
          BufferedReader fin2=new BufferedReader(fr2);
          String str1,str2,str3;
          double i1,i2,i3;
          OutputStream fout=new FileOutputStream(s3);
          while((str1=fin1.readLine()) != null)
               while((str2=fin2.readLine()) != null)
               i1=Float.parseFloat(str1);
               System.out.println(i1);
               i2=Float.parseFloat(str2);
               System.out.println(i2);
               i3=i1+i2;
               System.out.println("i3=" +i3);
               str3 = Float.toString(i3);
               byte buf[]=str3.getBytes();
               fout.write(buf);
               fout.write('\n');
          catch(NumberFormatException e)
               System.out.println(e);
}I need help urgently.
Thanks in advance.

By "exponential number, do you mean one in scientific notation (eg. -1.55743e21) or what?
What do your files look like?
What problem are you encountering? Is an exception being thrown? If so, give us the exact message (copy/paste). Is the results simply not what was expected? If so, give us the input, the expected results and the actual results for us to compare and consider.
Chuck

OBIA Environment - Informatica & DAC Setup files - Help Needed

We want to setup OBIA test environment but worried which files should be downloaded for Informatica(Client and Server) and DAC(Client and Server), here we are confused with file names.
We already have the Oracle Applications, Target DB and OBIEE in place, could somebody please help us in finding the right files needed for the remaining OBIA setup(i.e. Informatica Client & Server, DAC Client & Server) from the below list
Note : Our machines have 64bit OS, the below list is from edelivery.oracle.com
Product Pack : Oracle Business Intelligence
Platform      : Microsoft Windows x86 (64-bit)
Oracle Business Intelligence Applications 7.9.6.3 for Microsoft Windows                     V26578-01           519M
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows      V16377-01           181M
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.0.1 for Windows x86 (64-bit) (Part 1 of 2)      V30854-01 Part 1 of 2      2.0G
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.0.1 for Windows x86 (64-bit) (Part 2 of 2)      V30854-01 Part 2 of 2      26M
Oracle Business Intelligence Applications Licensing and Packaging Guide 7.9.6.3 and Informatica
PowerCenter and PowerConnect Adapters Client 9.0.1 (Part 1 of 2)                          V30964-01 Part 1 of 2      706M
Oracle Business Intelligence Applications Licensing and Packaging Guide 7.9.6.3 and Informatica
PowerCenter and PowerConnect Adapters Client 9.0.1 (Part 2 of 2)                          V30964-01 Part 2 of 2      2.0G
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.1 for Windows x86 (64-bit) (Part 1 of 2)      V30859-01 Part 1 of 2      2.0G
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.1 for Windows x86 (64-bit) (Part 2 of 2)      V30859-01 Part 2 of 2      1.4G
Oracle Business Intelligence Applications Licensing and Packaging Guide 7.9.6.3 and Informatica
PowerCenter and PowerConnect Adapters Client 9.1 (Part 1 of 2)                               V33700-01 Part 1 of 2      1.7G
Oracle Business Intelligence Applications Licensing and Packaging Guide 7.9.6.3 and Informatica
PowerCenter and PowerConnect Adapters Client 9.1 (Part 2 of 2)                               V33700-01 Part 2 of 2      2.0G
Thanks,
Sumanth

Hi Sumanth,
The below are the software packages, download them and install. Do let me know if you have any config issues.
BI Apps:
Oracle Business Intelligence Applications 7.9.6.3 for Microsoft Windows V26578-01 519M
DAC:
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows V16377-01 181M
Informatica Server:
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.0.1 for Windows x86 (64-bit) (Part 1 of 2) V30854-01 Part 1 of 2 2.0G
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.0.1 for Windows x86 (64-bit) (Part 2 of 2) V30854-01 Part 2 of 2 26M
Informatica Client:
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.1 for Windows x86 (64-bit) (Part 1 of 2) V30859-01 Part 1 of 2 2.0G
Oracle Business Intelligence Data Warehouse Administration Console 10.1.3.4.1 for Microsoft Windows
and Informatica PowerCenter and PowerConnect Adapters 9.1 for Windows x86 (64-bit) (Part 2 of 2) V30859-01 Part 2 of 2 1.4G
Hope this helps. Pls mark correct or helpful
Thanks,
SVee

Downloading a file help needed - Urgent

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