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writing to Temp files
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Ruchee Goyal
Greenhorn
Joined: Sep 12, 2006
Posts: 12
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Hi, I've some data coming in the request of a servlet from Flex front end. I've to write code to create a temp folder in my application context and save that data from request to temporary file in this temp folder. Can anybody guide me on how do i create file names from java code.
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Jesper de Jong
Java Cowboy
Bartender
Joined: Aug 16, 2005
Posts: 12950
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Class java.io.File has two methods named createTempFile(...). Have a look at the documentation.
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Ruchee Goyal
Greenhorn
Joined: Sep 12, 2006
Posts: 12
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Thanks Jesper, I've named the file by appending the time stamp to a string. Now my application is deployed in Tomcat server in my sandbox setup & will be deployed in WAS in production. I need to place these files in some folder say temp in my application root(something like: /webapps/appname/temp). i don't know how doo i point to that location.
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Jesper de Jong
Java Cowboy
Bartender
Joined: Aug 16, 2005
Posts: 12950
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Why don't you just do something like this:
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Peter Chase
Ranch Hand
Joined: Oct 30, 2001
Posts: 1970
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Originally posted by Ruchee Goyal: I've named the file by appending the time stamp to a string.
This sort of thing is a bad idea. It works most of the time, but you can easily get occasional errors when two files happen to get created with the same time-stamp. Computers are easily fast enough to process more than one during a particular millisecond. Use createTempFile() as suggested. If you really can't do that, use a serial number or something like that, but not timestamps.
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Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.<br /> <br />#:^P
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Mattias Ahlin
Greenhorn
Joined: May 31, 2006
Posts: 11
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Hi What he is actally asking for is a way to create a temporary directory, not a temporary file. I'm also trying to create a temporary directory for a test case but havn't found any info on that. I have found alot of info on how to create temp files though Does anyone here know how to create a temporary directory? Best regards, Mattias
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Best regards,<br />Mattias
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Peter Chase
Ranch Hand
Joined: Oct 30, 2001
Posts: 1970
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In future, please DontWakeTheZombies. I don't think Java has a facility for making temporary directories.
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subject: writing to Temp files
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