Enhancements to the upload framework to support multiple files
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Key: TRINIDAD-2156
URL: https://issues.apache.org/jira/browse/TRINIDAD-2156
Project: MyFaces Trinidad
Issue Type: Improvement
Components: Components
Affects Versions: 2.0.2-core
Environment: linux x86
Reporter: Kentaro Kinebuchi
Attachments: ER10348530-trinidad.patch
The attached patch file contains several enhancements to the upload framework:
1. Support the ability to configure the maximum file size which can be
uploaded. There is currently a parameter
org.apache.myfaces.trinidad.UPLOAD_MAX_DISK_SPACE which controls how large the
request can be. However, a request can potentially include multiple files so
this parameter is insufficient. Add a new parameter called
org.apache.myfaces.trinidad.UPLOAD_MAX_FILE_SIZE.
2. Enhance UploadedFiles to be able to support multiple files. Currently,
FileUploadConfiguratorImpl already supports parsing multiple files in a single
request but UploadedFiles does not contain the necessary APIs to grab those
files. Add the new methods:
public List<UploadedFile> getUploadedFileList(String name)
public Map<String, List<UploadedFile>> getUploadedFileMap()
3. Add the ability to upload multiple files across requests. The upload
framework currently disposes of all the uploaded files in a request once the
request completes. This means that it is unable to support the behavior of some
of the newer upload frameworks which upload files across several requests which
enables monitoring of individual file upload progress, retry, cancel, etc.
Enable this ability by being able to specially denote multiple file uploades
across several requests and save those in the Session so they persist across
requests. Add the new APIs below to UploadedFiles:
static public UploadedFiles getSessionUploadedFiles(FacesContext context)
public static void retrieveSessionUploadedFiles(ExternalContext context, String
name)
getSessionUploadedFiles() simply returns all the files currently in the
Session. retrieveSessionUploadedFiles() will retrieve and remove all the files
in the Session and is meant to be called once we have uploaded all the files
and are ready to make them available to Faces lifecycle.
4. Update FileUploadConfiguratorImpl to support the additional processing of
multiple files uploaded across requests. Those files will have a parameter
called "org.apache.myfaces.trinidad.UploadedFiles" which will have the value of
"multipleAdd" or "multipleDelete" depending on whether we want to add files to
the session or delete them.
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