uk.org.ogsadai.activity.delivery
Class DeliverFromFileActivity

java.lang.Object
  |
  +--uk.org.ogsadai.activity.Activity
        |
        +--uk.org.ogsadai.activity.delivery.AbstractDeliverFromAddressActivity
              |
              +--uk.org.ogsadai.activity.delivery.DeliverFromFileActivity

public class DeliverFromFileActivity

extends AbstractDeliverFromAddressActivity

An activity that reads the data contained in a file on the local filesystem of a data service resource, and writes it to an output. This output can be connected to the input of another activity or delivered back to the user in the response document. See the activity user documentation for more details: OGSADAI/doc/interaction/activities/delivery/deliverFromFile.html

Author:

The OGSA-DAI Project Team

Field Summary

private static java.lang.String	COPYRIGHT_NOTICE Copyright statement
private static DAILogger	LOG Logger object for logging in this class
private java.io.File	mFromFile File from which data is to be loaded

Fields inherited from class uk.org.ogsadai.activity.delivery.AbstractDeliverFromAddressActivity

mBlockMode, mBuffer, mByteBuffer, mFromAddress, mFromInputStream, mOutput

Fields inherited from class uk.org.ogsadai.activity.Activity

mContext, mExternalInputs, mExternalOutputs, mInternalInputs, mInternalOutputs

Constructor Summary

DeliverFromFileActivity(org.w3c.dom.Element element)

Method Summary

void	processFirst() This method is called during the first iteration of processing an activity.

Methods inherited from class uk.org.ogsadai.activity.delivery.AbstractDeliverFromAddressActivity

initialise, processBlock, setupBlocking, setupOutput

Methods inherited from class uk.org.ogsadai.activity.Activity

cleanUp, connectsTo, createOutputPipe, getActivityConfiguration, getActivityName, getCause, getName, getObservableStatus, getProperties, getSession, getStatus, hasActivityConfiguration, hasProperties, process, setActivityName, setCompleted, setError

Methods inherited from class java.lang.Object

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

Field Detail

COPYRIGHT_NOTICE

private static final java.lang.String COPYRIGHT_NOTICE

Copyright statement

See Also:

Constant Field Values

LOG

private static final DAILogger LOG

Logger object for logging in this class

mFromFile

private final java.io.File mFromFile

File from which data is to be loaded

Constructor Detail

DeliverFromFileActivity

public DeliverFromFileActivity(org.w3c.dom.Element element)
                        throws ActivityCreationException,
                               ActivitySpecificationException

Method Detail

processFirst

public void processFirst()

Description copied from class: Activity

This method is called during the first iteration of processing an activity. It can be overridden by subclasses to define some processing that should be done only once during the first iteration of the activity processing, for example evaluating a database query.

Specified by:

processFirst in class AbstractDeliverFromAddressActivity