org.geotools.data.collection
Class DelegateFeatureReader

java.lang.Object
  org.geotools.data.collection.DelegateFeatureReader

All Implemented Interfaces:

FeatureReader

public class DelegateFeatureReader

extends java.lang.Object

implements FeatureReader

A FeatureReader that wraps up a normal FeatureIterator.

This class is useful for faking (and testing) the Resource based API against in memory datastructures. You are warned that to complete the illusion that Resource based IO is occuring content will be duplicated.

Author:

Jody Garnett, Refractions Research, Inc.

Constructor Summary

DelegateFeatureReader(FeatureType featureType, FeatureIterator features)

Method Summary

void	close() Release the underlying resources associated with this stream.
FeatureType	getFeatureType() Return the FeatureType this reader has been configured to create.
boolean	hasNext() Query whether this FeatureReader has another Feature.
Feature	next() Reads the next Feature in the FeatureReader.

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegateFeatureReader

public DelegateFeatureReader(FeatureType featureType,
                             FeatureIterator features)

Method Detail

getFeatureType

public FeatureType getFeatureType()

Description copied from interface: FeatureReader

Return the FeatureType this reader has been configured to create.

Specified by:

getFeatureType in interface FeatureReader

Returns:

the FeatureType of the Features this FeatureReader will create.

next

public Feature next()
             throws java.io.IOException,
                    IllegalAttributeException,
                    java.util.NoSuchElementException

Description copied from interface: FeatureReader

Reads the next Feature in the FeatureReader.

Specified by:

next in interface FeatureReader

Returns:

The next feature in the reader.

Throws:

java.util.NoSuchElementException - If there are no more Features in the Reader.

IllegalAttributeException - If the attributes read do not comply with the FeatureType.

java.io.IOException - If an error occurs reading the Feature.

hasNext

public boolean hasNext()
                throws java.io.IOException

Description copied from interface: FeatureReader

Query whether this FeatureReader has another Feature.

Specified by:

hasNext in interface FeatureReader

Returns:

True if there are more Features to be read. In other words, true if calls to next would return a feature rather than throwing an exception.

Throws:

java.io.IOException - If an error occurs determining if there are more Features.

close

public void close()
           throws java.io.IOException

Description copied from interface: FeatureReader

Release the underlying resources associated with this stream.

Specified by:

close in interface FeatureReader

Throws:

java.io.IOException - DOCUMENT ME!