Description

Reading the Java 7 planned try-with-resource syntax I am convinced that supporting the Closable interface is necessary change for GeoTools 9.x.

Reading: 

• The try-with-resources Statement (Java Tutorials)
• Eclipse Juno try-with-resources statement

Status

This proposal is shaping up, ask question on the email list or vote below:

• Andrea Aime +1
• Ben Caradoc-Davies
• Christian Mueller +1
• Ian Turton +1
• Justin Deoliveira +1
• Jody Garnett +1
• Simone Giannecchini

Tasks

1.  Coordinate API Change (above patches should be tested / applied together)
2. Implement Closable
   
   •  FeatureIterator
   •  FeatureReader
   •  FeatureWriter
3.  A lot of this work got rolled into the FeatureCollection clean up
4. Warn / Patch downstream applications (Combined with FeatureCollection cleanup)
   
   1.  Patch for GeoServer
   2.  Patch for uDig (patch ready held up waiting for 1.3.3 release)
5. Check the code examples in user guide
   
   •  Feature Collection try-with-resource code example
   •  Geometry CRS Tutorial
   •  Query Tutorial

API Changes

FeatureIterator

BEFORE:

AFTER:

FeatureReader

BEFORE:

AFTER:

FeatureWriter

BEFORE:

AFTER: