uk.org.ogsadai.activity.delivery
Class DeliverFromURLActivity

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

public class DeliverFromURLActivity

extends AbstractDeliverFromAddressActivity

This activity retrieves data from a specified URL and writes it to an output. The output can then be connected to the input of another activity. See the activity user documentation for more details: OGSADAI/doc/interaction/activities/delivery/deliverFromURL.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.net.URL	mFromURL URL to read data from.

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

DeliverFromURLActivity(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

mFromURL

private java.net.URL mFromURL

URL to read data from.

Constructor Detail

DeliverFromURLActivity

public DeliverFromURLActivity(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