com.atlassian.jira.issue.attachment

Class AttachmentFileGetData

java.lang.Object

com.atlassian.jira.issue.attachment.AttachmentFileGetData

All Implemented Interfaces:

AttachmentGetData

@ThreadSafe
public class AttachmentFileGetData
extends Object
implements AttachmentGetData

Represents attachment data based on files system. The method getInputStream() can be called only once for each instance of this object. Method close() can be called multiple times. This class is thread safe, that means that getInputStream and close can be called from two threads, and when multiple threads try to call getInputStream only one will succeed and other will receive IllegalStateException

Since:

v6.4

Constructor Summary

Constructors

Constructor and Description
AttachmentFileGetData(File file)

Method Summary

Modifier and Type	Method and Description
void	close() close the underlying input stream if this was and is open.
File	getFile() Size of file represented by this object, or 0 if the file does not exist or is directory
InputStream	getInputStream() Opens input stream for the file handled by this object.
long	getSize()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AttachmentFileGetData

public AttachmentFileGetData(File file)

Method Detail

getFile

public File getFile()

Size of file represented by this object, or 0 if the file does not exist or is directory

Returns:

file object represented by this object.

close

public void close()

close the underlying input stream if this was and is open. NOP in other cases.

getSize

public long getSize()

Specified by:

getSize in interface AttachmentGetData

getInputStream

public InputStream getInputStream()

Opens input stream for the file handled by this object. One can call this method only once for instance of this object. To close the stream use method close() of this class. Closing the stream directly in not an error in this case method close will be NOP.

Specified by:

getInputStream in interface AttachmentGetData

Throws:

java.7lang.IllegalStateException - if this method is called twice or close was called before this method.

RuntimeIOException - if this object points to not existing file