ItemResourceImpl.java 文件源码

@Override
public Response readAllCsv ( final String contextId )
{
    final DataContext context = this.provider.getContext ( contextId );

    if ( context == null )
    {
        logger.trace ( "Context '{}' not found", contextId ); //$NON-NLS-1$
        throw new WebApplicationException ( Status.NOT_FOUND );
    }

    final SortedMap<String, DataItemValue> values = context.getAllValues ();

    final StreamingOutput out = new StreamingOutput () {

        @Override
        public void write ( final OutputStream output ) throws IOException, WebApplicationException
        {
            streamAsCSV ( new PrintWriter ( new OutputStreamWriter ( output, StandardCharsets.UTF_8 ) ), values, ",", "\r\n" ); //$NON-NLS-1$  //$NON-NLS-2$
        }
    };
    return Response.ok ( out ).header ( "Content-Disposition", "attachment; filename=\"data.csv\"" ).build (); //$NON-NLS-1$
}