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Java Enterprise Edition (EE)

ByteArrayDataSource


javax.mail.util
Class ByteArrayDataSource

java.lang.Object
  javax.mail.util.ByteArrayDataSource
All Implemented Interfaces:
DataSource
public class ByteArrayDataSource
extends java.lang.Object
implements DataSource

A DataSource backed by a byte array. The byte array may be passed in directly, or may be initialized from an InputStream or a String.

Since:
JavaMail 1.4
Author:
John Mani, Bill Shannon, Max Spivak

Constructor Summary
ByteArrayDataSource(byte[] data, java.lang.String type)
          Create a ByteArrayDataSource with data from the specified byte array and with the specified MIME type.
ByteArrayDataSource(java.io.InputStream is, java.lang.String type)
          Create a ByteArrayDataSource with data from the specified InputStream and with the specified MIME type.
ByteArrayDataSource(java.lang.String data, java.lang.String type)
          Create a ByteArrayDataSource with data from the specified String and with the specified MIME type.
 
Method Summary
 java.lang.String getContentType()
          Get the MIME content type of the data.
 java.io.InputStream getInputStream()
          Return an InputStream for the data.
 java.lang.String getName()
          Get the name of the data.
 java.io.OutputStream getOutputStream()
          Return an OutputStream for the data.
 void setName(java.lang.String name)
          Set the name of the data.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ByteArrayDataSource

public ByteArrayDataSource(java.io.InputStream is,
                           java.lang.String type)
                    throws java.io.IOException
Create a ByteArrayDataSource with data from the specified InputStream and with the specified MIME type. The InputStream is read completely and the data is stored in a byte array.

Parameters:
is - the InputStream
type - the MIME type
Throws:
java.io.IOException - errors reading the stream

ByteArrayDataSource

public ByteArrayDataSource(byte[] data,
                           java.lang.String type)
Create a ByteArrayDataSource with data from the specified byte array and with the specified MIME type.

Parameters:
data - the data
type - the MIME type

ByteArrayDataSource

public ByteArrayDataSource(java.lang.String data,
                           java.lang.String type)
                    throws java.io.IOException
Create a ByteArrayDataSource with data from the specified String and with the specified MIME type. The MIME type should include a charset parameter specifying the charset to be used for the string. If the parameter is not included, the default charset is used.

Parameters:
data - the String
type - the MIME type
Throws:
java.io.IOException - errors reading the String
Method Detail

getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException
Return an InputStream for the data. Note that a new stream is returned each time this method is called.

Specified by:
getInputStream in interface DataSource
Returns:
the InputStream
Throws:
java.io.IOException - if no data has been set

getOutputStream

public java.io.OutputStream getOutputStream()
                                     throws java.io.IOException
Return an OutputStream for the data. Writing the data is not supported; an IOException is always thrown.

Specified by:
getOutputStream in interface DataSource
Returns:
an OutputStream
Throws:
java.io.IOException - always

getContentType

public java.lang.String getContentType()
Get the MIME content type of the data.

Specified by:
getContentType in interface DataSource
Returns:
the MIME type

getName

public java.lang.String getName()
Get the name of the data. By default, an empty string ("") is returned.

Specified by:
getName in interface DataSource
Returns:
the name of this data

setName

public void setName(java.lang.String name)
Set the name of the data.

Parameters:
name - the name of this data


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