com.alibaba.excel.util

Class EasyExcelTempFileCreationStrategy

java.lang.Object

com.alibaba.excel.util.EasyExcelTempFileCreationStrategy

All Implemented Interfaces:

org.apache.poi.util.TempFileCreationStrategy

public class EasyExcelTempFileCreationStrategy
extends Object
implements org.apache.poi.util.TempFileCreationStrategy

In the scenario where `poifiles` are cleaned up, the DefaultTempFileCreationStrategy will throw a java.nio.file.NoSuchFileException. Therefore, it is necessary to verify the existence of the temporary file every time it is created.

Author:

Jiaju Zhuang

Field Summary

Fields

Modifier and Type	Field and Description
static String	DELETE_FILES_ON_EXIT To use files.deleteOnExit after clean JVM exit, set the -Dpoi.delete.tmp.files.on.exit JVM property
static String	POIFILES Name of POI files directory in temporary directory.

Constructor Summary

Constructors

Constructor and Description
EasyExcelTempFileCreationStrategy() Creates the strategy so that it creates the temporary files in the default directory.
EasyExcelTempFileCreationStrategy(File dir) Creates the strategy allowing to set the

Method Summary

Modifier and Type	Method and Description
File	createTempDirectory(String prefix)
File	createTempFile(String prefix, String suffix)

Methods inherited from class java.lang.Object

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

Field Detail

POIFILES

public static final String POIFILES

Name of POI files directory in temporary directory.

See Also:

Constant Field Values

DELETE_FILES_ON_EXIT

public static final String DELETE_FILES_ON_EXIT

To use files.deleteOnExit after clean JVM exit, set the -Dpoi.delete.tmp.files.on.exit JVM property

See Also:

Constant Field Values

Constructor Detail

EasyExcelTempFileCreationStrategy

public EasyExcelTempFileCreationStrategy()

Creates the strategy so that it creates the temporary files in the default directory.

See Also:

File.createTempFile(String, String)

EasyExcelTempFileCreationStrategy

public EasyExcelTempFileCreationStrategy(File dir)

Creates the strategy allowing to set the

Parameters:

dir - The directory where the temporary files will be created (null to use the default directory).

See Also:

Files.createTempFile(Path, String, String, FileAttribute[])

Method Detail

createTempFile

public File createTempFile(String prefix,
                           String suffix)
                    throws IOException

Specified by:

createTempFile in interface org.apache.poi.util.TempFileCreationStrategy

Throws:

IOException

createTempDirectory

public File createTempDirectory(String prefix)
                         throws IOException

Specified by:

createTempDirectory in interface org.apache.poi.util.TempFileCreationStrategy

Throws:

IOException