Improve value-constructor plugin to use only elements with minOccurs greater than 0 with no default value and only required attributes

[glassfishrobot]

Currently, the value constructor plugin generates a fully initializing
constructor with all elements and attributes.

Client codes that use these constructors will break when a new optional element
or attribute is added to the schema.

A better solution is to generate a partially initializing constructors with only
elements that have minOccurs greater than 0 and with no default value and
required attributes.

It'd be better to use the default-value-plugin to provide default values.

Alex Wei

Environment

Operating System: All
Platform: All

Affected Versions

[current]

[glassfishrobot]

Reported by ozgwei

[glassfishrobot]

Issue-Links:
blocks
JAXB2_COMMONS-14

[glassfishrobot]

Was assigned to lexi

[glassfishrobot]

File: value-constructor-patch.txt
Attached By: ozgwei

[glassfishrobot]

ozgwei said:
Created an attachment (id=3)
A patch for the improvement

[glassfishrobot]

ozgwei said:
Attached is a patch that allows the combination of 3 different types of
constructors:

1. constructor with only mandatory/required elements/attributes with no default
   value
2. constructor with only mandatory/required elements/attributes
3. the original fully initializing constructor (which can be generated being
   annotated by @deprecated)

See the test target in the build.xml for usage.

Alex

[glassfishrobot]

This issue was imported from java.net JIRA JAXB2_COMMONS-11