Package org.springframework.integration.file.filters

Class AbstractLastModifiedFileListFilter<F>

java.lang.Object

org.springframework.integration.file.filters.AbstractLastModifiedFileListFilter<F>

Type Parameters:

F - the file

All Implemented Interfaces:

DiscardAwareFileListFilter<F>, FileListFilter<F>

Direct Known Subclasses:

LastModifiedFileListFilter

public abstract class AbstractLastModifiedFileListFilter<F>
extends Object
implements DiscardAwareFileListFilter<F>

The FileListFilter implementation to filter those files which lastModified is less than the age in comparison with the Instant.now(). When discardCallback is provided, it called for all the rejected files.

Since:

6.2

Field Summary

Fields

Modifier and Type	Field	Description
protected static final long	ONE_SECOND

Constructor Summary

Constructors

Constructor	Description
AbstractLastModifiedFileListFilter()
AbstractLastModifiedFileListFilter(Duration age)

Method Summary

Modifier and Type	Method	Description
boolean	accept(F file)	Filter a single file; only called externally if FileListFilter.supportsSingleFileFiltering() returns true.
void	addDiscardCallback(Consumer<F> discardCallback)
List<F>	filterFiles(F[] files)	Filters out files and returns the files that are left in a list, or an empty list when a null is passed in.
protected Duration	getAgeDuration()
protected abstract Instant	getLastModified(F remoteFile)
void	setAge(long age)	Set the age that files have to be before being passed by this filter.
void	setAge(Duration age)	Set the age that files have to be before being passed by this filter.
boolean	supportsSingleFileFiltering()	Indicates that this filter supports filtering a single file.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.integration.file.filters.FileListFilter

isForRecursion

Field Details

ONE_SECOND

protected static final long ONE_SECOND

See Also:

• Constant Field Values

Constructor Details

AbstractLastModifiedFileListFilter

public AbstractLastModifiedFileListFilter()

AbstractLastModifiedFileListFilter

public AbstractLastModifiedFileListFilter(Duration age)

Method Details

setAge

public void setAge(Duration age)

Set the age that files have to be before being passed by this filter. If lastModified plus age is before the Instant.now(), the file is filtered. Defaults to 60 seconds.

Parameters:

age - the Duration.

setAge

public void setAge(long age)

Set the age that files have to be before being passed by this filter. If lastModified plus age is before the Instant.now(), the file is filtered. Defaults to 60 seconds.

Parameters:

age - the age in seconds.

addDiscardCallback

public void addDiscardCallback(@Nullable
 Consumer<F> discardCallback)

Specified by:

addDiscardCallback in interface DiscardAwareFileListFilter<F>

filterFiles

public List<F> filterFiles(F[] files)

Description copied from interface: FileListFilter

Filters out files and returns the files that are left in a list, or an empty list when a null is passed in.

Specified by:

filterFiles in interface FileListFilter<F>

Parameters:

files - The files.

Returns:

The filtered files.

accept

public boolean accept(F file)

Description copied from interface: FileListFilter

Filter a single file; only called externally if FileListFilter.supportsSingleFileFiltering() returns true.

Specified by:

accept in interface FileListFilter<F>

Parameters:

file - the file.

Returns:

true if the file passes the filter, false to filter.

See Also:

• FileListFilter.supportsSingleFileFiltering()

supportsSingleFileFiltering

public boolean supportsSingleFileFiltering()

Description copied from interface: FileListFilter

Indicates that this filter supports filtering a single file. Filters that return true must override FileListFilter.accept(Object). Default false.

Specified by:

supportsSingleFileFiltering in interface FileListFilter<F>

Returns:

true to allow external calls to FileListFilter.accept(Object).

See Also:

• FileListFilter.accept(Object)

getAgeDuration

protected Duration getAgeDuration()

getLastModified

protected abstract Instant getLastModified(F remoteFile)