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Article #3634Re: URGENT: How to manage files in a server from an applet
From: Rich Wilkman
Date: Thu, 30 Oct 1997 00:00
Date: Thu, 30 Oct 1997 00:00
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Gil: The higher level stream stuff in java.io don't throw the SecurityException and I would have expected an IOException or at least a bogus number of bytes written as the return value of the write() call. -Rich Gil Delavous wrote: > That's funny. I made a little applet that just use and URLConnection with a > BufferedInputStream, using an HTTP url to a text file. As you said I can > read the file from the server. I pushed a bit further and tried to write > data with a BufferedOutputStream... it *seems* to work (i.e. I get no > exception error), but nothing is written on the server! I should have got an > IOException somewhere... no? > > >> > Gil: > >> > > >> > You don't. An Applet cannot write files (or create files/directories) > >> > on the > >> > server where it lives, only read. All the File related classes > >> > implement > >> > security manager and will stop those activites (even checking for > >> > write > >> > permision, if memory serves). You are pretty much limited to > >> > activities based > >> > upon InputStreams. > >> >
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1089d0,42fb639896549357 X-Google-Attributes: gid1089d0,public From: Rich Wilkman <rwilkman@corp.borland.com> Subject: Re: URGENT: How to manage files in a server from an applet Date: 1997/10/30 Message-ID: <3458FD67.B7915C4F@corp.borland.com> X-Deja-AN: 286033671 References: <6386sf$mtv4@forums.borland.com> <3457B369.6C0A1DA6@corp.borland.com> <345815FD.5946E259@borland.com> <3458BE6C.67BDB929@corp.borland.com> <63akgg$n8s4@forums.borland.com> Organization: None Newsgroups: borland.public.jbuilder.java.api