Upload file in to file system using Apex

Hi...
I have tried UTL_FILE to upload file in Directory. But First i have to upload file in Table in BLOB datatype and then copy it to file system using BFILE.
I have to store files in file system as per requirements.
I want to upload file directly to File System. Suggest me the right way...
Thank You in advance........
Edited by: user639262 on Aug 28, 2008 2:11 PM

Apex only supports upload into a table.
If you want to upload directly to the file system you should look into the possibilities of your application server. Maybe you could find a piece of code in Java or PHP that performs an upload.
good luck, DickDral

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1,CustomizablePortlet.java File
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ResourceBundle;
import javax.portlet.*;
import oracle.webdb.utils.SimpleStringBuffer;
public class CustomizablePortlet extends GenericPortlet {
private static final String TITLE_KEY = "title";
protected static final String OK_ACTION = "ok_action";
protected static final String APPLY_ACTION = "apply_action";
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out.println("<TD WIDTH=\"80%\">");
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out.println("</TD>");
out.println("</TR>");
out.println("<TR>");
out.println("<TD COLSPAN=\"2\" ALIGN=\"CENTER\">");
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out.println("</TR>");
out.println("</TABLE>");
out.println("</FORM>");
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rd.include(request, response);
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super.doDispatch(request, response);
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prefs.setValue("title", newTitle);
prefs.store();
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actionResponse.setPortletMode(PortletMode.VIEW);
actionResponse.setWindowState(WindowState.NORMAL);
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import javax.activation.DataHandler;
import javax.mail.MessagingException;
import javax.mail.internet.MimeBodyPart;
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import oracle.portal.portlet.sample.CustomizablePortlet;
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private static final String SUBMIT_PARAM = "submit";
private static final String DEFAULT_CHARSET = "ISO-8859-1";
private static final String uploadRoot = "";
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if(parts == null) {
return null;
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if(contentType == null) {
mIsInitialized = true;
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mBodyParts = new HashMap(20);
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</servlet-mapping>
<servlet-mapping>
<servlet-name>portletjaxrpc</servlet-name>
<url-pattern>/portlets*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>portletresource</servlet-name>
<url-pattern>/portletresource*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>uix</servlet-name>
<url-pattern>*.uix</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>uix</servlet-name>
<url-pattern>/uix/*</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>60</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.uix</welcome-file>
</welcome-file-list>

<env-entry>
<env-entry-name>oracle/portal/log/logLevel</env-entry-name>
<env-entry-type>java.lang.Integer</env-entry-type>
<env-entry-value>7</env-entry-value>
</env-entry>
</web-app>
5.portlet.xml
<?xml version = '1.0' encoding = 'UTF-8'?>
<portlet-app xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd" version="1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd">
<portlet>
<description xml:lang="en">A portlet that demonstrates the file upload features of the Java Portlet Specification.</description>
<portlet-name>FileUpload</portlet-name>
<portlet-class>FileUploadPortlet</portlet-class>
<expiration-cache>0</expiration-cache>
<supports>
<mime-type>text/html</mime-type>
<portlet-mode>help</portlet-mode>
<portlet-mode>about</portlet-mode>
<portlet-mode>edit_defaults</portlet-mode>
</supports>
<supported-locale>en</supported-locale>
<portlet-info>
<title>File Upload Portlet</title>
<short-title>File Upload</short-title>
<keywords>File,Upload, Portlet</keywords>
</portlet-info>
</portlet>
<custom-portlet-mode>
<description xml:lang="en">This mode should be used by the portlet to display information on the portlet's purpose, origin, version, etc.</description>
<portlet-mode>about</portlet-mode>
</custom-portlet-mode>
<custom-portlet-mode>
<description xml:lang="en">This mode signifies that the portlet should render a screen to set the default values for the modifiable preferences that are typically changed in the EDIT screen. Calling this mode requires that the user must have administrator rights.</description>
<portlet-mode>edit_defaults</portlet-mode>
</custom-portlet-mode>
<custom-portlet-mode>
<description xml:lang="en">This mode should be used by the portlet to render output without the need of having back-end connections or user specific data available.</description>
<portlet-mode>preview</portlet-mode>
</custom-portlet-mode>
<user-attribute>
<name>user.name.given</name>
</user-attribute>
<user-attribute>
<name>user.name.family</name>
</user-attribute>
<user-attribute>
<name>user.name.middle</name>
</user-attribute>
<user-attribute>
<name>user.name.nickname</name>
</user-attribute>
<user-attribute>
<name>user.bdate</name>
</user-attribute>
<user-attribute>
<name>user.business-info.online.email</name>
</user-attribute>
</portlet-app>

Hello i had exactly the same error, but not with file upload.
I'm sure you have in your application lib directory to jars which aren't compatible to each other.
And the problem occured between my myfaces and tomahawk jars .
See this page:
http://wiki.apache.org/myfaces/CompatibilityMatrix
It tells you which myfaces and tomahawk jars you can use together.
Hope it can help.
bye

Store \ Retrieve files from file system

Hi to all!
I would like to implement a solution for storing files uploaded via apex user interface to servers file system. As well I would like this files to be retrievable by apex users. I designed the following solution:
For upload:
1. Through file browse item user chooses file to be uploaded
2. File goes to custom table (as BLOB)
-- so far i would use apex Upload\Download files tutorial
3. File(BLOB) would then have to be written to file system to some directory and file id would have to be written to some db table which holds pointers to files on file system
4. delete file(blob) from custom table (from step 2)
For download:
1. user chooses link from some report region(based on table giving file pointers to files residing on file system)
2. file identified with chosen file pointer is then inserted into blob column of some custom table in db
3. from custom table with download procedure fie is finally presented to user
4. delete file(blob) from custom table (from step 2)
Using apex tutorial for Upload\Download files it is straitforward to get the files from db table or into db table using blobs. But i have not seen any example of using BFILE or migrating files from db to file system and vice versa.
So some Q arise:
a) How can I implement step 3 under For upload section above
b) How can I implement step 2 under For download section above
c) Is there any way to directly upload file to file system via apex user interface or to directly download file from file system via some report region link column?
Please help!!!
Regards Marinero
Message was edited by:
marinero

marinero,
Here is a procedure that will copy an uploaded file to the file system:
Procedure BLOB_TO_FILE(p_file_name In Varchar2) Is
    l_out_file    UTL_FILE.file_type;
    l_buffer      Raw(32767);
    l_amount      Binary_Integer := 32767;
    l_pos         Integer := 1;
    l_blob_len    Integer;
    p_data        Blob;
    file_name Varchar2(256);
Begin
    For rec In (Select ID
                          From HTMLDB_APPLICATION_FILES
                         Where Name = p_file_name)
    Loop
        Select BLOB_CONTENT, filename Into p_data, file_name From HTMLDB_APPLICATION_FILES Where ID = rec.ID;
        l_blob_len := DBMS_LOB.getlength(p_data);
        l_out_file := UTL_FILE.fopen('UPDOWNFILES_DIR', file_name, 'wb', 32767);
        While l_pos < l_blob_len
        Loop
          DBMS_LOB.Read(p_data, l_amount, l_pos, l_buffer);
          If l_buffer Is Not Null Then
            UTL_FILE.put_raw(l_out_file, l_buffer, True);
          End If;
          l_pos := l_pos + l_amount;
        End Loop;
        UTL_FILE.fclose(l_out_file);
    End Loop;
Exception
    When Others Then
      If UTL_FILE.is_open(l_out_file) Then
        UTL_FILE.fclose(l_out_file);
      End If;
end; And here is a procedure that will download a file directly from the file system:
Procedure download_my_file(p_file In Number) As
    v_length    Number;
    v_file_name Varchar2(2000);
    Lob_loc     Bfile;
Begin
    Select file_name
      Into v_file_name
      From UpDownFiles F
     Where File_id = p_file;
    Lob_loc := bfilename('UPDOWNFILES_DIR', v_file_name);
    v_length := dbms_lob.getlength(Lob_loc);
    owa_util.mime_header('application/octet', False);
    htp.p('Content-length: ' || v_length);
    htp.p('Content-Disposition: attachment; filename="' || SUBSTR(v_file_name, INSTR(v_file_name, '/') + 1) || '"');
    owa_util.http_header_close;
    wpg_docload.download_file(Lob_loc);
End download_my_file;I could put a sample application on apex.oracle.com, but it wouldn't be able to access the file system on that server.

SQL*Loader and unzipping with uploaded file

hi, everybody
i was trying to integrate some functionalities, today separated. i made a simple Apex page that uploads a file, and now i need to process that file.
is there any way to process that uploaded file and load it onto a table, just like i'd do with Sql*Loader?
in the same way, can i unzip an uploaded zip file, just like Oracle Portal 3.0.9 used to do in its contect areas with zip itens?
thanks

Hi, Ivo
about ult_compress, ok. i'll check it out.
talking about uploaded files, the only thing i've found were:
a) download an uploaded file
b) use an uploaded image to integrate in a web application.
unfortunately, i didn't find anything that could help me process an uploaded text file the way i do with SQL*Loader.
i'll keep on trying
thanx

Upload file in to file system using Apex

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