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https://issues.apache.org/jira/browse/TRINIDAD-974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573019#action_12573019
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Kenneth tang commented on TRINIDAD-974:
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IE and Firefox demands different encoding behavior on filename in
content-disposition header.
IE : URL encoded using UTF-8
FF : RFC2047 (I tested it using UTF-8 and quoted-printable)
As JSF and Trinidad does not depend on Javamail, we may need to add a local
copy of MIME encode function into Trinidad.
Please note on two known issues:
1. FF does not work well with open file
Tested using FF 2.0.0.12. Using the proposed behavior above,
- it works well with "save as", the non-ascii filename can be saved to file
system successfully
- however, open does not work still.
2. IE has a short length limit. The total length, including the temp directory
path + encoded filename, cannot be longer than around 290 bytes. Considering
UTF-8 URL encoding is used here, for example one Chinese character will be
encoded using 9 bytes... So some calculation here...
Default temp directory path = C:\Documents and Settings\<username>\Local
Settings\Temporary Internet Files\, it my own env, it takes 80 bytes already.
290-80/9 ~ 23 Chinese characters max
To make this better, we may use the client side file system encoding to native
encode the filename in header, for example, using windows-1252. However, there
is no easy way to detect this.
> nls: fileDownloadActionListener : mulitibyte char filename is garbled
> ---------------------------------------------------------------------
>
> Key: TRINIDAD-974
> URL: https://issues.apache.org/jira/browse/TRINIDAD-974
> Project: MyFaces Trinidad
> Issue Type: Bug
> Affects Versions: 1.0.6-core, 1.2.6-core
> Reporter: Jeanne Waldman
>
> A simple reproducible testcase is to use the
> fileDownloadActionListener.jspx demo and change the filename to be japanese
> or chinese characters and also change your browser's language accordingly.
> On Firefox, it appears fine.
> On IE, the filename is garbled.
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