thank for your kindness
致
礼！
????? huagang
{/-◎◎-\} [EMAIL PROTECTED]
( (oo) ) 2005-04-28
?
62125151-6226
才智，德之资也；德者，才之师也
======= 2005-04-27 21:03:47 您在来信中写道：=======
>Hi everybody!
>
>I've got another question about attachments:
>
>I finally figured out how to send an attachment to my client, by
>a) looking at the archive of the list,
>b) googling and
>c) reading the axis user guide
>
>So this is what i came up with eventually (in case somebody is having
>the same problem):
>
>/**
>* Webservice that exports data and sends the result
>* back to the client (as an attachment)
>*/
>public String export()
>{
>// gather data
>Object[][] data = this.manager.extractData(new Integer(id));
>this.manager.convert(data, "ws_export");
>
>// get the message context
>org.apache.axis.MessageContext msgContext =
>org.apache.axis.MessageContext.getCurrentContext();
>
>org.apache.axis.Message rspMsg= msgContext.getResponseMessage();
>rspMsg.getAttachmentsImpl().setSendType(org.apache.axis.attachments.Attachments.SEND_TYPE_DIME);
>
>// add the file i just generated
>java.io.File fileToAddAsAttachment = new java.io.File("/tmp/ws_export.xls");
>
>javax.activation.DataHandler dh =
>new javax.activation.DataHandler(new
>javax.activation.FileDataSource(fileToAddAsAttachment));
>
>org.apache.axis.attachments.AttachmentPart part =
>new org.apache.axis.attachments.AttachmentPart(dh);
>
>rspMsg.addAttachmentPart(part);
>
>logger.info("Attachment Size: "+rspMsg.countAttachments());
>logger.info("Sending message: "+msg);
>
>return msg;
>}
>
>Now, it's pretty easy to access this attachment on the client side by:
>XlsExportServiceLocator locator = new XlsExportServiceLocator();
>MessageContext mx = locator.getCall().getMessageContext();
>
>Then I can iterate over the attachments and process them - great! The
>only problem is: the String (msg) returned by the service is null. When
>I remove the attachment-stuff from my service, everything is working
>nicely, though.
>
>So, my question is: What am I doing wrong now?
>
>Thanks,
>
>Tom
>
>
>
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