com.esri.gpt.control.webharvest
Class DefaultIterationContext

java.lang.Object
  com.esri.gpt.control.webharvest.DefaultIterationContext

All Implemented Interfaces:

IterationContext

public class DefaultIterationContext
extends Object
implements IterationContext

Default iteration context.

Nested Class Summary

static class

DefaultIterationContext.ExceptionInfo Exception information.

Field Summary

protected Bots	bots
protected static SimpleDateFormat	DF
protected LinkedList<DefaultIterationContext.ExceptionInfo>	exceptionInfos

Constructor Summary

DefaultIterationContext(Bots robotsTxt)
Creates instance with robots information.

Method Summary

void	assertAccess(String url) Asserts access to the resource referenced by the url
LinkedList<DefaultIterationContext.ExceptionInfo>	getExceptionInfos() Gets exception infos.
Bots	getRobotsTxt() Gets RobotsTxt if available.
HttpClientRequest	newHttpClientRequest() Factory method to create instance of HttpClientRequest
void	onIterationException(Exception ex) Provides a way to capture exception which cannot be re-thrown.
void	registerException(Exception ex) Registers an exception.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DF

protected static SimpleDateFormat DF

exceptionInfos

protected final LinkedList<DefaultIterationContext.ExceptionInfo> exceptionInfos

bots

protected final Bots bots

Constructor Detail

DefaultIterationContext

public DefaultIterationContext(Bots robotsTxt)

Creates instance with robots information.

Parameters:

robotsTxt - robots information or null if no robots information available

Method Detail

onIterationException

public void onIterationException(Exception ex)

Description copied from interface: IterationContext

Provides a way to capture exception which cannot be re-thrown. Both methods Iterator.hasNext() and Iterator.next() don't allow to throw any checked exception even if an implementation actually should throw it.

Specified by:

onIterationException in interface IterationContext

toString

public String toString()

Overrides:

toString in class Object

getExceptionInfos

public LinkedList<DefaultIterationContext.ExceptionInfo> getExceptionInfos()

Gets exception infos.

Returns:

linked list of all registered exception infos.

registerException

public void registerException(Exception ex)

Registers an exception.

Parameters:

ex - exception

newHttpClientRequest

public HttpClientRequest newHttpClientRequest()

Description copied from interface: IterationContext

Factory method to create instance of HttpClientRequest

Specified by:

newHttpClientRequest in interface IterationContext

Returns:

instance of HttpClientRequest

assertAccess

public void assertAccess(String url)
                  throws AccessException

Description copied from interface: IterationContext

Asserts access to the resource referenced by the url

Specified by:

assertAccess in interface IterationContext

Parameters:

url - url of the resource

Throws:

AccessException - if access denied

getRobotsTxt

public Bots getRobotsTxt()

Description copied from interface: IterationContext

Gets RobotsTxt if available.

Specified by:

getRobotsTxt in interface IterationContext

Returns:

instance of robots txt or null if robots txt unavailable.