[dna-issues] [JBoss JIRA] Issue Comment Edited: (DNA-62) Sequence Java class files to extract the class structure with annotations

[Randall Hauch (JIRA)]

    [ https://jira.jboss.org/jira/browse/DNA-62?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12501671#action_12501671 ] 

Randall Hauch edited comment on DNA-62 at 12/27/09 12:31 PM:
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It'd be interesting to demonstrate how having multiple sequencers allows us to chain things together.  For example, the ZIP file sequencer should create the nodes representing the contents of a ZIP (and JAR) file, which means we'd create nt:file nodes representing each .class file in the JAR file (or .java source file if a source JAR).  The act of creating those file nodes should activate the Java classfile sequencer for .class files or the Java source sequencer for .java files.

This way, we don't actually have to wire together the ZIP/JAR sequencer to invoke the Java source or classfile sequencer.

      was (Author: rhauch):
    It'd be interesting to demonstrate how having multiple sequencers allows us to chain things together.  For example, the ZIP file sequencer should create the nodes representing the contents of a ZIP (and JAR) file, which means we'd create nt:file nodes representing each .class file in the JAR file (or .java source file if a source JAR).  The act of creating those file nodes should activate the Java classfile sequencer for .class files or the Java source sequencer for .java files.
  
> Sequence Java class files to extract the class structure with annotations
> -------------------------------------------------------------------------
>
>                 Key: DNA-62
>                 URL: https://jira.jboss.org/jira/browse/DNA-62
>             Project: DNA
>          Issue Type: Feature Request
>          Components: Sequencers
>            Reporter: Randall Hauch
>            Assignee: Brian Carothers
>             Fix For: 1.1
>
>         Attachments: DNA-62_draft.patch
>
>
> This use case comes from a discussion about starting up the Microcontainer, and the desire to have a single processor of the JAR files to extract into a centralized repository the runtime annotations.  Right now the annotations are scanned by each component/service that needs them.  This feature would obviate the scanning being done by each component/service.
> Consider using http://scannotation.sourceforge.net/ for doing the actual scanning.

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