com.openexchange.mail.mime.datasource

Class FileDataSource

java.lang.Object

com.openexchange.mail.mime.datasource.FileDataSource

All Implemented Interfaces:

javax.activation.DataSource

public final class FileDataSource
extends java.lang.Object
implements javax.activation.DataSource

FileDataSource - A simple data source that encapsulates a file.

Author:

Thorben Betten

Constructor Summary

Constructors

Constructor and Description
FileDataSource(java.io.File file) Creates a FileDataSource from a File object.
FileDataSource(java.io.File file, java.lang.String contentType) Creates a FileDataSource from a File object.
FileDataSource(java.lang.String name) Creates a FileDataSource from the specified path name.
FileDataSource(java.lang.String name, java.lang.String contentType) Creates a FileDataSource from the specified path name.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getContentType()
java.io.File	getFile() Return the file that corresponds to this FileDataSource.
java.io.InputStream	getInputStream()
java.lang.String	getName()
java.io.OutputStream	getOutputStream()
void	setContentType(java.lang.String contentType) Sets the content type.
void	setName(java.lang.String name) Sets the name (and implicitly content type).
static FileDataSource	valueOf(java.io.InputStream inputStream) Gets a file data source for specified input stream's data.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileDataSource

public FileDataSource(java.io.File file)

Creates a FileDataSource from a File object. Note: The file will not actually be opened until a method is called that requires the file to be opened.

Content type is initially set to "application/octet-stream".

Parameters:

file - The file

FileDataSource

public FileDataSource(java.io.File file,
              java.lang.String contentType)

Creates a FileDataSource from a File object. Note: The file will not actually be opened until a method is called that requires the file to be opened.

Parameters:

file - The file

contentType - The content type

FileDataSource

public FileDataSource(java.lang.String name)

Creates a FileDataSource from the specified path name. Note: The file will not actually be opened until a method is called that requires the file to be opened.

Content type is initially set to "application/octet-stream".

Parameters:

name - The system-dependent file name.

FileDataSource

public FileDataSource(java.lang.String name,
              java.lang.String contentType)

Creates a FileDataSource from the specified path name. Note: The file will not actually be opened until a method is called that requires the file to be opened.

Content type is initially set to "application/octet-stream".

Parameters:

name - The system-dependent file name.

contentType - The content type

Method Detail

valueOf

public static FileDataSource valueOf(java.io.InputStream inputStream)
                              throws java.io.IOException

Gets a file data source for specified input stream's data.

Parameters:

inputStream - The input stream providing binary data

Returns:

The generated file data source (Content-Type and name still need to be set appropriately)

Throws:

java.io.IOException - If an I/O error occurs

getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException

Specified by:

getInputStream in interface javax.activation.DataSource

Throws:

java.io.IOException

getOutputStream

public java.io.OutputStream getOutputStream()
                                     throws java.io.IOException

Specified by:

getOutputStream in interface javax.activation.DataSource

Throws:

java.io.IOException

getContentType

public java.lang.String getContentType()

Specified by:

getContentType in interface javax.activation.DataSource

getName

public java.lang.String getName()

Specified by:

getName in interface javax.activation.DataSource

getFile

public java.io.File getFile()

Return the file that corresponds to this FileDataSource.

Returns:

The file.

setContentType

public void setContentType(java.lang.String contentType)

Sets the content type.

Parameters:

contentType - The content type.

setName

public void setName(java.lang.String name)

Sets the name (and implicitly content type).

Parameters:

name - The name to set