org.opencms.ade.upload

Class CmsUploadListener

java.lang.Object

org.opencms.ade.upload.CmsUploadListener

All Implemented Interfaces:

java.io.Serializable, org.apache.commons.fileupload.ProgressListener

public class CmsUploadListener
extends java.lang.Object
implements org.apache.commons.fileupload.ProgressListener, java.io.Serializable

Provides the upload listener for the upload widget.

Since:

8.0.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	m_contentLength The content length of the request (larger than the sum of file sizes).
protected java.lang.RuntimeException	m_exception Stores the exception if one has been occurred.
protected boolean	m_exceptionTrhown Signals that there occurred an exception before.

Constructor Summary

Constructors

Constructor and Description
CmsUploadListener(int requestSize) The public constructor for the listener.

Method Summary

Modifier and Type	Method and Description
void	cancelUpload(CmsUploadException e) Sets the exception that should cancel the upload on the next update.
long	getBytesRead() Returns the bytes transfered so far.
long	getContentLength() Returns the content length of the request (larger than the sum of file sizes).
java.lang.RuntimeException	getException() Returns the exception.
CmsUUID	getId() Returns the listeners UUID.
CmsUploadProgessInfo	getInfo() Returns the current progress info of the upload.
int	getItem() Returns the number of the field, which is currently being read.
long	getPercent() Returns the percent done of the current upload.
boolean	isCanceled() Returns true if the process has been canceled due to an error or by the user.
boolean	isFinished() Returns the finished.
void	setDelay(int delay) Sets the delay.
void	setFinished(boolean finished) Sets the finished.
java.lang.String	toString()
void	update(long done, long total, int item) Updates the listeners status information and does the following steps: returns if there was already thrown an exception before sets the local variables to the current upload state throws an RuntimeException if it was set in the meanwhile (by another request e.g.

Methods inherited from class java.lang.Object

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

Field Detail

m_contentLength

protected long m_contentLength

The content length of the request (larger than the sum of file sizes).

m_exception

protected java.lang.RuntimeException m_exception

Stores the exception if one has been occurred.

m_exceptionTrhown

protected boolean m_exceptionTrhown

Signals that there occurred an exception before.

Constructor Detail

CmsUploadListener

public CmsUploadListener(int requestSize)

The public constructor for the listener.

Parameters:

requestSize - content length of the request (larger than the sum of file sizes)

Method Detail

cancelUpload

public void cancelUpload(CmsUploadException e)

Sets the exception that should cancel the upload on the next update.

Parameters:

e - the exception

getBytesRead

public long getBytesRead()

Returns the bytes transfered so far.

Returns:

the bytes transfered so far

getContentLength

public long getContentLength()

Returns the content length of the request (larger than the sum of file sizes).

Returns:

the content length of the request (larger than the sum of file sizes)

getException

public java.lang.RuntimeException getException()

Returns the exception.

Returns:

the exception

getId

public CmsUUID getId()

Returns the listeners UUID.

Returns:

the listeners UUID

getInfo

public CmsUploadProgessInfo getInfo()

Returns the current progress info of the upload.

Returns:

the progress info

getItem

public int getItem()

Returns the number of the field, which is currently being read.

• 0 = no item so far
• 1 = first item is being read, ...

Returns:

the number of the field, which is currently being read.

getPercent

public long getPercent()

Returns the percent done of the current upload.

Returns:

the percent done of the current upload

isCanceled

public boolean isCanceled()

Returns true if the process has been canceled due to an error or by the user.

Returns:

booleantrue if the process has been canceled due to an error or by the user

isFinished

public boolean isFinished()

Returns the finished.

Returns:

the finished

setDelay

public void setDelay(int delay)

Sets the delay.

Parameters:

delay - the delay to set

setFinished

public void setFinished(boolean finished)

Sets the finished.

Parameters:

finished - the finished to set

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

update

public void update(long done,
                   long total,
                   int item)

Updates the listeners status information and does the following steps:

• returns if there was already thrown an exception before
• sets the local variables to the current upload state
• throws an RuntimeException if it was set in the meanwhile (by another request e.g. user has canceled)
• slows down the upload process if it's configured
• stops the watcher if the upload has reached more than 100 percent

Specified by:

update in interface org.apache.commons.fileupload.ProgressListener

See Also:

ProgressListener.update(long, long, int)