We want to read data from weigh bridge and display in oracle forms & store

Sir/Madam,
in our organisation we had one requirement. i.e is reading data from weigh bridge using serial port, displying that data in oracle forms and when ever user click save button we store that into my oracle database. we are using oracle 8i and forms 6i and windows OS environment. we don't know reading data from serial port and placing that into form items. please help me as early as possible if there is any property available in d2k regarding this requirement .
thank you,
vishnu

There's no property in Forms that makes you read serial ports, but as far as I know you need to know the API of the machine which you want to read data from (it should come with machine's manual) and then it will be easy to store it in forms item.
Tony

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Hi all,
I need some help. I have a text file with set of name, phonenumbers . I want to know how to display the data using Webdynpro. Could some one help me. help is appreciated and I promise to award points for right answer.
Thank you
Maruti

Hi Maruti,
just open the file and loop on the rows, here an example::
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
FileReader f = new FileReader("c:
FileName.ext");
while ((s = in.readLine()) != null)
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}catch (Exception e) {.....}
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Vito

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Sounds a lot like this question, only with less details.
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Hi,
do like this
PARAMETERS: p_unix LIKE rlgrap-filename OBLIGATORY.
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DATA: BEGIN OF i_buffer OCCURS 0,
 line(2047) TYPE c,
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* Open the unix file..
OPEN DATASET p_unix FOR INPUT IN TEXT MODE.
IF sy-subrc NE 0.
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Reading Weight from Weigh Bridge....

Hi.
The scenario here is that we have to create module pool for picking up
the weights of trucks from weigh bridge ( AVERY brand ).
The existing system is in foxpro . Please find attached the text of AVERY guidance which exhaustively shows how the fox system is reading the
weight from the port, to which the weigh bridge is attached, on the
system kept at the location.
I wish to have the info regarding how, this functionality can be
achieved in ABAP as my perception is that this is not a simple
execution / run of an external program.
regards,
Suman
TEXT
getwt.prg
sample weight recieving program for Avery CTH
this is demo program for getting weight from the CTH
using the CALL and LOAD commands of dBASE III PLUS only.
This demo program demonstrates the use of LOAD and CALL commands
of dBASE III PLUS to get the weight from the CTH. The actual
program to get the weight is a file called GETCTH.BIN
To use GETCTH.BIN directly do the following:
   1. Start dBASE III PLUS normally.
   2. Type the command - LOAD GETCTH at the dot prompt of dBASE III PLUS.
      (Be sure to give the correct drive and/or directory where the
       file GETCTH.BIN resides in your computer system).
   3. The program GETCTH.BIN will return the weight in a variable
      passed from dBASE III PLUS, so first initialize a variable in
      dBASE III PLUS to recieve the weight.
      The weight string returned by the CTH is 26 charecters long so
      define a variable of length 26 by typing the following command
      at the dot prompt:
      WEIGHT = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"   { Any dummy value }
                            or
      WEIGHT = "2BCDEFGHIJKLMNOPQRSTUVWXYZ"   for COM2 port
      ( Note -> The choice for the name of the above variable is
                purely arbitrary. Any name could have been chosen)
   4. Next type the following command at the dot prompt to call the
      GETCTH function :
      CALL GETCTH WITH WEIGHT
   5. After some time the dot prompt will return. At the dot prompt
      type the following :
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      from the CTH then this function will return the weight as a string
      of 26 charecters containing the weight and other information.
      Otherwise, if the function is not successfull then the value of
      the variable passed will be set to 26 spaces. The major reason
      for the failure of the function will be a timeout error i.e.
      the CTH did not respond after a preset time interval had elasped.
      The returning of 26 spaces makes it easy for a dBASE III PLUS
      program to retry the weighing operation if failure is detected.
      The use of this in a loop till the function succeeds in getting
      a weight is illustrated below in the program.
      The weight returned by the CTH consists of a string of 26 charecters
      A sample weight that could be returned is reproduced below:
      ABCDEFGHIJKLMNOPQRSTUVWXYZ
        19600 kg    G 000016 O
      The following is the sequence of charecters :
      1. The first two charecters ( positions A - B above ) are
         space charecters.
      2. The next five charecters ( positions C - G above ) is the
         weight from the CTH - ( 19600 in this case).
      3. The next charecter ( position H above ) is a space charecter.
      4. The next two charecters ( positions I - J above ) are the weight
         units - ( kg in this case ).
      5. The next four charecters ( positions K - N above ) are space
         space charecters.
      6. The next charecter ( position O above ) specifies mode of
         operation. It shows 'G' for Gross mode and 'T' for Tare
         mode of operation.
      7. The next charecter ( position P above ) is a space charecter.
      8. The next six charecters ( positions Q - V above ) is the
         consecutive number which is unique for each weighing.
      9. The next charecter ( position W above ) is a space charecter.
     10. The next charecter ( position X above ) is the machine ID number.
     11. The last two charecters ( positions Y - Z above ) are
         Carriage return and Line feed charecters.
Clear the screen and show the copyright notice.
clear
@ 0, 0 TO 23, 79    DOUBLE
@ 3, 1 TO 3, 78
@ 11, 25 TO 18, 57
set color to w/n+
@ 1, 26 SAY "A V E R Y     I N D I A   L I M I T E D"
set color to
set color to n/w+
@ 2, 10 SAY " Demo program for getting weight from Avery weight digitiser - CTH "
set color to
set color to w/n+
@ 6, 3 SAY "(C) Avery India Ltd.- 1989,1990 All rights reserved."
@ 8, 10 SAY "The source code of this program is for pure demo purposes and all"
@ 9, 10 SAY "copyright of   this    demo program and its source rests with"
@ 10, 10 SAY "Avery India Ltd."
@ 20, 10 SAY "This program and its accompaining source code cannot be used"
@ 21, 10 SAY "without the prior permission of Avery India Ltd."
set color to
set color to n/w+
@ 17,26 say " Press any key to continue... "
set color to
wait ""
@ 4,0 clear to 23,79
@ 0,0 to 19,79 double
WEIGHT = space(26)                && define a variable to get the weight
load getcth                       && load the module from disk
                                  && this assumes that the file GETCTH.BIN
                                  && is in the current drive/directory.
                                  && If not, use drive specifier.
do while weight = space(26)       && the main loop
   call getcth with weight
enddo
set color to w/n+
As explained above the last two charecters of the weight string
are the Carriage return (CR) and the Line feed (LF) charecters
out of the total of 26 charecters of the weight string. So to get
the whole weight string other than these last two chareceters we
can use the SUBSTR command of dBASE III PLUS as follows :-
@ 14,20 say "The weight is : " + substr(weight,1,24)
This will show the whole weight string on the screen i.e. all
24 charecters ( it will not show the CR and the LF charecters ).
The CR and the LF charecters are as it is unprintable charecters
and will show up as control charecters if printed on the screen.
If the whole weight string is not required and only, say, the
weight and the weight units are required, then the following command
could be used :-
@ 14,20 say "The weight is : " + substr(weight,1,10)
This will show the weight value and the weight units (this substring
will include the embedded space charecters in this susbtring).
Similarly, other parameters from the weight string could be
incorporated, if required, from the whole string to enhance
the weighing process on the computer.
The idea of putting the CALL statement above in a loop is that
sometimes due to unavoidable reasons, there may some garbage
charecters on the serial port. Thus it may be necessary to flush these
charecters from the port by CALLing the function again.
Sometimes, the function may return without a timeout error but the
variable may contain some control charecters which do not make sense.
In this case the function should called repeatedly till the proper
charecters are returned. This occurs due to the reason explained
above.
@ 14,20 say "The weight is : " + substr(weight,1,24)
set color to
set color to n/w+
@ 16,5 say "Please read the README.DOC file on this disk for more information"
release module getcth             && release module from memory
set color to
Please refer to the dBASE III PLUS manuals for a
complete discussion on the LOAD, CALL and RELEASE
commands.
Message was edited by: Suman Tyagi

Thanks, but I've already seen this thread and done the steps described on it.
Actually, my question is very specific... How to populate the fields LinkVal and LinkUnit of the registry...
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Hi all,
I am a new to ODI. I want your help in understanding how to read data from an "E$" table and insert into a staging table.
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I need some help. I have a Excel file with set of name, phonenumbers . I want to know how to display the data using Webdynpro. Could some one help me. help is appreciated and I promise to award points for right answer.
Thank you
Maruti

Hi
i can explain you to read data from Excel file
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<a href="http://www.andykhan.com/jexcelapi/download.html">jexcelapi jar</a>
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You will get window displaying your Project Properties
On Left Side of the window You Will Find "Java Build Path"
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Click Libraries Tab
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You will get Window in order to fecth the jxl.jar file from the location you had stored
After selecting the jxl.jar i will get displayed and click ok
Now Open Navigator
Open Your Project
You will find Lib folder
Copy the jxl.jar to that lib folder
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First You Have to copy that file to the Server,
And from the Server you can get the file absolute path
With the absolute path you can read the contents of the Excel file
You have to save the Excel file as .xls Format and Not as xlsx format i will not accept that...
You have Upload the Excel file from the Server Using the File Upload UI Element
This Coding will extract 3 columns from the Xls File
Coding
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import com.sap.fileupload.wdp.IPrivateFileUpload_View;
import com.sap.tc.webdynpro.services.sal.datatransport.api.IWDResource;
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 //@@begin onActionUpload_File_in_Server(ServerEvent)
 InputStream text=null;
 int temp=0;
 try
 File file = new File(wdContext.currentContextElement().getFileResource().getResourceName().toString());
 FileOutputStream op = new FileOutputStream(file);
 if(wdContext.currentContextElement().getFileResource()!=null)
 text=wdContext.currentContextElement().getFileResource().read(false);
 while((temp=text.read())!=-1)
 op.write(temp);
 op.flush();
 op.close();
 path = file.getAbsolutePath();
 wdComponentAPI.getMessageManager().reportSuccess(path);
 catch(Exception e)
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 //@@begin onActionUpload_Data_into_Table(ServerEvent)
 try
 Workbook wb =Workbook.getWorkbook(new File(path));
 Sheet sh = wb.getSheet(0);
 //wdComponentAPI.getMessageManager().reportSuccess("Columns = "+sh.getColumns());
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 ele.setTab_Name(c1.getContents());
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 ele.setTab_Percentage(c3.getContents());
 wdContext.nodeTable_Data().addElement(ele);
 catch(Exception ex)
 wdComponentAPI.getMessageManager().reportSuccess(ex.toString());
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 * The following code section can be used for any Java code that is
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 * currently not supported directly by Web Dynpro (such as inner classes or
 * member variables etc.). 
 * Note: The content of this section is in no way managed/controlled
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//@@end
Regards
Chandran S

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Hi all
I need to write a procedure which can read data from excel sheet.I have excel sheet in which i have to options one is modification and other is addition.so if it reads modification then i need to read the concerned table name then check its availability in pl-sql datbase.If table exists then reading the realated column in that row to fire the querry. The excel sheet is saved in local disk c.
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Edited by: user13334062 on Jun 30, 2010 3:45 AM

Hi
If you can convert the excel to a csv format, then it can be simply query from DB Creating Oracle External Tables. Best part is that you may still change the CSV using EXCEL.
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Field1 Datatype,
Field2 Datatype,
Field3 Datatype,
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Field5 Datatype
Organization external
(type oracle_loader default directory mydir
access parameters (records delimited by newline fields terminated by ',')
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Hi.
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<pre>DATA itab_accontextdir TYPE TABLE OF ACCONTEXTDIR.
DATA struct_accontextdir LIKE LINE OF itab_accontextdir.
DATA l_o_error TYPE REF TO cx_root.
DATA: filename type string ,
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ENDTRY.
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Description:
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 Once the 'xmldata' string is available we use the tranformation to parse the xml string that we have got from the above API and convert it into the internal table.
<pre>TRY.
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CATCH cx_root INTO l_o_error.
ENDTRY.</pre>
Here the trasnsformation 'id ' is used to conververt the source xml 'xmldata' to resulting internal table itab_accontextdir, that have same structure as our xml file 'xml_accontextdir.xml'. In the RESULT root of the xml file has to be specified. (In my the root is 'shiva').
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<pre>TRY.
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 SOURCE shiv = t_internal_tab
 RESULT XML xml.
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ENDTRY.
WRITE xml.
NEW-LINE.</pre>
 
This is the same transformation that we used above but the differnce is that the SOURCE and RESULT parameters are changed the source is now the internal table and result is *xml *string. Use xml browser that is available with the ABAP workbench to read the xml string displayed with proper indentation. In this way we get the format of xml file to be used that is compatable with the given internal table.
Thank you, Hope this will help you!!!
Edited by: Shiva Prasad L on Jun 15, 2009 7:30 AM
Edited by: Shiva Prasad L on Jun 15, 2009 11:56 AM
Edited by: Shiva Prasad L on Jun 15, 2009 12:06 PM

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We want to read data from weigh bridge and display in oracle forms & store

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