Class ByteArrayDataSource

  • All Implemented Interfaces:
    javax.activation.DataSource

    public class ByteArrayDataSource
    extends Object
    implements javax.activation.DataSource
    Provides a DataSource implementation based on a byte array.
    • Constructor Detail

      • ByteArrayDataSource

        public ByteArrayDataSource​(InputStream is,
                                   String type)
                            throws 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:
        IOException - errors reading the stream
      • ByteArrayDataSource

        public ByteArrayDataSource​(byte[] data,
                                   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​(String data,
                                   String type)
                            throws 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:
        IOException - errors reading the String
    • Method Detail

      • getInputStream

        public InputStream getInputStream()
                                   throws 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 javax.activation.DataSource
        Returns:
        the InputStream
        Throws:
        IOException - if no data has been set
      • getOutputStream

        public OutputStream getOutputStream()
                                     throws IOException
        Return an OutputStream for the data. Writing the data is not supported; an IOException is always thrown.
        Specified by:
        getOutputStream in interface javax.activation.DataSource
        Returns:
        nothing, method not supported
        Throws:
        IOException - always
      • getContentType

        public String getContentType()
        Get the MIME content type of the data.
        Specified by:
        getContentType in interface javax.activation.DataSource
        Returns:
        the MIME type
      • getName

        public String getName()
        Get the name of the data. By default, an empty string ("") is returned.
        Specified by:
        getName in interface javax.activation.DataSource
        Returns:
        the name of this data
      • setName

        public void setName​(String name)
        Set the name of the data.
        Parameters:
        name - the name of this data