Hi Sebb
public class FileUtils {
/**
* Instances should NOT be constructed in standard programming.
*/
public FileUtils() {
super();
}
/**
* The number of bytes in a kilobyte.
*/
public static final long ONE_KB = 1024;
/**
* The number of bytes in a megabyte.
*/
public static final long ONE_MB = ONE_KB * ONE_KB;
/**
* The number of bytes in a 50 MB.
*/
private static final long FIFTY_MB = ONE_MB * 50;
/**
* The number of bytes in a gigabyte.
*/
public static final long ONE_GB = ONE_KB * ONE_MB;
/**
* An empty array of type <code>File</code>.
*/
public static final File[] EMPTY_FILE_ARRAY = new File[0];
/**
* The UTF-8 character set, used to decode octets in URLs.
*/
private static final Charset UTF8 = Charset.forName("UTF-8");
//-----------------------------------------------------------------------
/**
* Returns the path to the system temporary directory.
*
* @return the path to the system temporary directory.
*
* @since Commons IO 2.0
*/
public static String getTempDirectoryPath() {
return System.getProperty("java.io.tmpdir");
}
how is public static immutable?
how is public static threadsafe?
Martin Gainty
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> Date: Sat, 29 Sep 2012 12:49:57 +0100
> Subject: Re: [io] Are FileUtils and IOUtils thread safe?
> From: seb...@gmail.com
> To: user@commons.apache.org
>
> On 29 September 2012 04:20, Yungwei Chen <yung...@resolvity.com> wrote:
> > Hi,
> >
> > I would like to know if FileUtils and IOUtils are thread safe. Thanks.
>
> The classes themselves are immutable and so are thread safe.
>
> However, many of them use JVM classes that may not be thread safe.
>
> Also, methods that depend on the state of the file system may not be
> immune to external influences.
>
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