SilverpeasDiskFileItemFactory (Silverpeas Core 6.3 API)

java.lang.Object
- org.apache.commons.fileupload.disk.DiskFileItemFactory
- - org.apache.commons.fileupload.disk.SilverpeasDiskFileItemFactory

All Implemented Interfaces:

org.apache.commons.fileupload.FileItemFactory
```
public class SilverpeasDiskFileItemFactory
extends org.apache.commons.fileupload.disk.DiskFileItemFactory
```
This factory is to replace the one provided by the FileUpload Apache Commons as a workaround of a no yet fixed bug in the Apache library. The DiskFileItemFactory class in FileUpload Apache Commons has a bug when used in conjonction with a tracker of non-long used temporary files (see http://blog.novoj.net/2012/09/19/commons-file-upload-contains-a-severe-memory-leak/ for a description of the bug and https://issues.apache.org/jira/browse/FILEUPLOAD-189 for a look at the bug fix status). This implementation aims to replace the original DiskFileItemFactory class by fixing the bug (in the hope it will be fix in a next release of the FileUpload Apache Commons library). Beside this bug, some default parameters are also set for the particular use of Silverpeas:
- the path of the temporary directory in use in Silverpeas,
- the thresold size above which the uploaded files are temporarly stored in disk.
Author:

mmoquillon

Field Summary
- Fields inherited from class org.apache.commons.fileupload.disk.DiskFileItemFactory
  DEFAULT_SIZE_THRESHOLD

Constructor Summary

Constructors
Constructor	Description
`SilverpeasDiskFileItemFactory()`	Constructs a new SilverpeasDiskFileItemFactory by setting by default the following parameters: the size threshold is set at 2Mo: about this size, the file are temporarly stored in disk; the temporary directory is the default one used in Silverpeas (@see org.silverpeas.core.util.file.FileRepositoryManager#getTemporaryPath()); a temporary file cleaner is set: all stored file in disks are deleted once no more unused (@see org.apache.commons.fileupload.disk.DiskFileItemFactory).

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.commons.fileupload.FileItem`	`createItem(String fieldName, String contentType, boolean isFormField, String fileName)`

Methods inherited from class org.apache.commons.fileupload.disk.DiskFileItemFactory
getDefaultCharset, getFileCleaningTracker, getRepository, getSizeThreshold, setDefaultCharset, setFileCleaningTracker, setRepository, setSizeThreshold

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SilverpeasDiskFileItemFactory
```
public SilverpeasDiskFileItemFactory()
```
    Constructs a new SilverpeasDiskFileItemFactory by setting by default the following parameters:
    
    the size threshold is set at 2Mo: about this size, the file are temporarly stored in disk;
    
    the temporary directory is the default one used in Silverpeas (@see org.silverpeas.core.util.file.FileRepositoryManager#getTemporaryPath());
    
    a temporary file cleaner is set: all stored file in disks are deleted once no more unused (@see org.apache.commons.fileupload.disk.DiskFileItemFactory).
- Method Detail
  - createItem
```
public org.apache.commons.fileupload.FileItem createItem(String fieldName,
                                                         String contentType,
                                                         boolean isFormField,
                                                         String fileName)
```
    Specified by:
    
    createItem in interface org.apache.commons.fileupload.FileItemFactory
    
    Overrides:
    
    createItem in class org.apache.commons.fileupload.disk.DiskFileItemFactory