I actually did this a few days ago. The real difficulty I found was trying to
include a <h:form enctype="multipart/form-data">...</h:form> inside the
<jbpm:dataform>...</jbpm:dataform>. So I created an upload page,
uploadFile.xhtml and placed it in the sa directory along with all the other
.xhtml files.
I then passed the parameters along in the url with <f:param name="" value=""/>
So for example if I need to upload a document in one of the process task forms,
I will put in the following
| <h:outputLink value="uploadFile.jsf" target="top" style="#{view.viewId ==
'uploadFile.xhtml' ? 'font-weight:bold' : ''}">
| <f:param name="id" value="#{var['piID']}"/>
| <f:param name="ppFileName" value="Pretty print file name for display on the
upload page"/>
| <f:param name="fileVar" value="processInstanceVariableToSaveUnder"/>
| <f:param name="fileName" value="The name that you want to save the file
under"/>
| <h:outputText value="Click here to upload"/>
| </h:outputLink>
|
The upload page looks like the following
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
|
| <html xmlns="http://www.w3.org/1999/xhtml";
| xmlns:ui="http://java.sun.com/jsf/facelets";
| xmlns:h="http://java.sun.com/jsf/html";
| xmlns:f="http://java.sun.com/jsf/core";
| xmlns:gd="http://gravel.jboss.org/jsf/1.0/data";
| xmlns:ga="http://gravel.jboss.org/jsf/1.0/action";
| xmlns:gs="http://gravel.jboss.org/jsf/1.0/simple";
| xmlns:n="http://gravel.jboss.org/jsf/1.0/navigation";
| xmlns:j4j="http://jbpm.org/jbpm4jsf/core";
| >
|
| <ui:define name="actions">
| <ga:responseActions>
| <ga:parameter name="id" target="#{piID}"
required="true"/>
| <ga:parameter name="ppFileName" target="#{ppFileName}"
required="true"/>
| <ga:parameter name="fileVar" target="#{fileVar}"
required="true"/>
| <ga:parameter name="fileName" target="#{fileName}"
required="true"/>
| <j4j:createUploadFile piID="#{piID}"
ppFileName="#{ppFileName}" fileVar="#{fileVar}" fileName="#{fileName}"
target="#{files}"/>
| </ga:responseActions>
| </ui:define>
|
| <gd:repeat value="#{files}" var="file" idVar="rid">
|
| <h:form enctype="multipart/form-data">
| <table>
| <thead>
| <tr>
| <th colspan="2">Upload
| <h:outputText value="
#{file.ppFileName} File"/>
| </th>
| </tr>
| </thead>
| <tbody class="results">
| <tr>
| <th>Upload</th>
| <td>
| <gd:inputFile
target="#{stream}" maxSize="104857600"/>
| </td>
| </tr>
| <tr>
| <th/>
| <td style="text-align:right;">
| <h:commandButton value="Upload
#{file.ppFileName}">
| <j4j:uploadFile
archive="#{stream}" piID="#{file.piID}" fileVar="#{file.fileVar}"
fileName="#{file.fileName}"/>
| <n:nav outcome="success"
url="formSubmitted.jsf" storeMessages="true"/>
| <n:nav outcome="error"
redirect="true" storeMessages="true"/>
| </h:commandButton>
| </td>
| </tr>
| </tbody>
| </table>
| </h:form>
|
| </gd:repeat>
|
| </html>
|
I found that I couldn't pass the values straight into the form so I created an
object containing the piID, ppFileName, etc. information. But this still
didn't work and only seemed to work when I made it a list with only one element
in it and pass it in through a loop. Maybe there's a less convuluted way of
doing it, but I wasn't smart enough to find out how.
In your upload file actionListener, all you have to do is to grab the
InputStream and then write it out to a FileOutputStream that points to the
filename you saved it under. You can actually refer to the JBPM team's
DeployProcessActionListener.java code.
Hope that helps
David
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