[shrinkwrap-issues] [JBoss JIRA] (SHRINKDESC-151) Descriptors should generate a common parent for different spec versions

[George Gastaldi (JIRA)]

George Gastaldi created SHRINKDESC-151:
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             Summary: Descriptors should generate a common parent for different spec versions
                 Key: SHRINKDESC-151
                 URL: https://issues.jboss.org/browse/SHRINKDESC-151
             Project: ShrinkWrap Descriptors
          Issue Type: Feature Request
          Components: api-javaee
            Reporter: George Gastaldi


This affects only the JavaEE API. Some usecases manipulate descriptors regardless of the version it is currently on. The API could be abstracted to a common interface so that common element types to the supported complex types could be used.

A sample is provided in https://github.com/forge/javaee-descriptors/. The IMPL remains untouched (as generated by the ShrinkWrap generator) and common types are refactored to a super interface: 

Super Interface: https://github.com/forge/javaee-descriptors/blob/master/api/src/main/java/org/jboss/shrinkwrap/descriptor/api/webapp/WebAppCommonDescriptor.java

Sub Interfaces: 
https://github.com/forge/javaee-descriptors/blob/master/api/src/main/java/org/jboss/shrinkwrap/descriptor/api/webapp25/WebAppDescriptor.java
https://github.com/forge/javaee-descriptors/blob/master/api/src/main/java/org/jboss/shrinkwrap/descriptor/api/webapp30/WebAppDescriptor.java
https://github.com/forge/javaee-descriptors/blob/master/api/src/main/java/org/jboss/shrinkwrap/descriptor/api/webapp31/WebAppDescriptor.java

The generated code doesn't need to change either. The existence of the super interface is what matters most.

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