unable to download the file from application server to client machine

Hi All,

My requirement is below:

1. Create a report.
2. Report has export to excel button.
3. On button , i m calling generateexcel method. it create a excel file and keep in folder in application server not repostiory.
4. Problem , how can i send that file to client browse like , whenever we download the file from internet it show a dialog box. and after i have to delete the same file from the application server.

for this requirement i have used blow code :

File tempFile = new File(tempDir+strReportName);
HttpTransportManager manager = HttpTransportManager.getManager();
ArrayList<String> ids = new ArrayList<String>(1);
com.documentum.web.contentxfer.http.HttpTransportManager.Content content = new com.documentum.web.contentxfer.http.HttpTransportManager.Content(tempFile);

ids.add(manager.addOutgoing(content));

String contextPath = ((HttpServletRequest)getPageContext().getRequest()).getContextPath();
manager.setClientDownloadEvent(ids, getTopForm(), contextPath);
tempFile.deleteOnExit()

But still unable to downaload the report files.

Thanks in Advance

Ram

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Comments

christopher.imes

Please consider moving this question as-is (no need to recreate) to the proper forum for maximum visibility. Questions written to the users' own "Discussions" space don't get the same amount of attention and questions can go unanswered for a long time.

You can do so by selecting "Move" under ACTIONS along the upper-right. Then search for "Documentum" and select the first results that appears which would be the most relevant for this question. It will place it in the Developer Network subspace of the Documentum community.

For further guidance on engaging with the communities for Documentum and related products, please refer to the IIG Communities Getting Started Guide.

Ram_Kishan_Maitry

Thanks Christopher !!!..

Ram_Kishan_Maitry

Hi Expert,

Kindly help me on this...ASAP
Thanks in Advance

Ram

IngoZ

I normally don't respond to any posts that have the word URGENT (even worse, in capitals) in them. This is not a support hotline. Contact EMC Support in that case.

Nevertheless, I see two options:

Place it anywhere where either the web or the app server can provide files from i.e. where index.jsp lies, however this is a very bad hack besides being a security vulnerability
Create a simple (wdk-free) servlet which will pull the file from the file system and stream it back and redirect the browser to it or provide a link to it for the user to download.

Not knowing your infrastructure in order to come up with other options these are 2 general ideas you could pursue.

Cheers,

Ingo.

Ram_Kishan_Maitry

Hi Ingo,

Thanks for your suggestion.I have done the changes.

I have only one option to do the changes on wdk.

Please suggest.

Thanks

Ram

Ram_Kishan_Maitry

Hi All,

Kindly help me for the same ASAP.

Thanks

Ram

Alvaro_de_Andres

1. Generate the report and save it in a temp folder/cabinet on documentum

2. Call the view action from your custom component passing the id of the generated object as argument

3. Delete the generated report

Ram_Kishan_Maitry

Hi Alvaro,

Thanks for reply !!!

I am doing same thing in my custom code(Plese see the custom code above) , but i am unable to show the view/download/cancel option in client side.

Do you have some example please share.

Thanks in advance

Ram

Alvaro_de_Andres

In your code you store the file in the filesystem, if you want to call the view service you have to store it on the repository.

Ram_Kishan_Maitry

Hi Alvaro,

I don't want to store the report on repository.

Do you have some other method for the same.

Please suggest.

Thanks

Ram

PanfilovAB


Alvaro de Andres wrote:

1. Generate the report and save it in a temp folder/cabinet on documentum
2. Call the view action from your custom component passing the id of the generated object as argument
3. Delete the generated report

There is some approach that allows do not create persistent objects for temporary files:


ContentTransferConfig ctConfig = ContentTransferConfig.getConfig();
File tempFolderAppServer = ctConfig.getServerContentLocation();
File tempFile = File.createTempFile("temp" , "", tempFolderAppServer);

//do something file

HttpTransportManager manager = HttpTransportManager.getManager();
List<String> ids = new ArrayList<String>(1);
HttpTransportManager.Content content = new HttpTransportManager.Content(
        tempFile, humanreadablefileName,
        mime, tempFile.getParent(), HttpTransportManager.VIEW);
ids.add(manager.addOutgoing(content));
String contextPath = ((HttpServletRequest) component
        .getPageContext().getRequest()).getContextPath();
manager.setClientDownloadEvent(ids, component.getTopForm(),
        contextPath);
tempFile.deleteOnExit();

But it looks like WDK has a bug: WEBTOP-27357: When you try to export a selected doc to CSV, the following exception occurs: "Error creating csv file. : The system cannot find the path specified", that was fixed in 6.7SP2P05 only

Ram_Kishan_Maitry

Hi PanfilovAB,

The same above code is working on 6.5 SP3 report, but i want to more customized report (means additional custom column on that report).

Please ehelp me regarding the same.

PanfilovAB

You didn't post all your code, so, I'm not sure it is correct or not, I can confirm that my example do work for 6.5SP3 and 6.7SP1. To investigate your problem you should:

check server logs
enable tracing of HTTP_MANAGER through /webtop/wdk/tracing.jsp page and check server logs
check that browser do allow popups

Ram_Kishan_Maitry

Hi PanfilovAB,

Can you share your personal id.so i will share you the code.

Thanks

Ram

PanfilovAB

Hey, this is a forum, not support portal, and nobody owe you anything. Wanna play by your own rules? That will cost you.

Ram_Kishan_Maitry

Hi Panfilov,

Please find my custom code :-

public void onClickExecute(Button button, ArgumentList arg)
{
System.out.println("onClickExecute ::");
//displayDataGrid(arg);
onExporttoExcel(button,arg);
}

public String getDateTime(String strFormat)
{
DateFormat dateFormat = new SimpleDateFormat(strFormat);
Date date = new Date();
return dateFormat.format(date);

}

public void onExporttoExcel(Button button, ArgumentList arg)
{

try
{

   Text des = (Text)getControl("fanno",Text.class);
   fanno = des.getValue();

   System.out.println("onExporttoExcel :: "+fanno);
   strReportName = fanno+"_Status" + (getDateTime(strDateFormat)).substring(0,11)+".xls";
   String path = tempDir+strReportName;
   WriteExcel we = new WriteExcel();
   System.out.println("Temp File Path ::"+path);
   we.setOutputFile(path);
   we.write(resultSetList);
   exporttoExcel();

}
catch (IOException e)
{
e.printStackTrace();
}
catch (WriteException e)
{
e.printStackTrace();
}
}

public void exporttoExcel() throws IOException
{
File tempFile = new File(tempDir+strReportName);

HttpTransportManager manager = HttpTransportManager.getManager();

ArrayList<String> ids = new ArrayList<String>(1);
com.documentum.web.contentxfer.http.HttpTransportManager.Content content = new com.documentum.web.contentxfer.http.HttpTransportManager.Content(tempFile);

ids.add(manager.addOutgoing(content));

String contextPath = ((HttpServletRequest)getPageContext().getRequest()).getContextPath();

manager.setClientDownloadEvent(ids, getTopForm(), contextPath);

tempFile.deleteOnExit();

}

public void onReturn(String s1, boolean myBoolean, Map map)
{
System.out.println("onReturn ");
if (myBoolean)
{
setComponentReturn();
}
}

Help me for the same.

Thanks

Ram

Ram_Kishan_Maitry

Hi PanfilovAB,

 I can confirm that my example do work for 6.5SP3 and 6.7SP1.

Can you share you example code that is working for 6.5SP3 and 6.7SP1.

Thanks

Ram