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https://issues.jboss.org/browse/FORGE-773?page=com.atlassian.jira.plugin....
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John Franey commented on FORGE-773:
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You are correct.
The reflection part is not hard. I've done it mostly already. I implemented
JavaClass using reflection. Method, Field, etc... also.
URLClassloader can be used to load all the project's dependency jars. I don't
think that is big either. Of course I wonder what the response time will be like.
I think the big change is for ScaffoldPlugin to be changed so generateFromEntity takes a
class name as string, not a JavaResource, alleviating ShellImpl from making the choice to
get a class or a java resource; the plugin will find either the class on the dependency
path or the java resource; and for Dependency plugin to give over a list of the compile
time dependencies of the project.
Are these kinds of changes to the forge system acceptable?
entities for scaffold could be binary, not source
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Key: FORGE-773
URL:
https://issues.jboss.org/browse/FORGE-773
Project: Forge
Issue Type: Feature Request
Reporter: John Franey
I have already a jar file full of JPA entity classes, built by another project. To
generate scaffold on forge 1.2.1, I create a forge project and unpack the source code of
the jpa project into the forge project, then I can run the scaffold.
I'd like a parameter to accept a dependency and a package or class name: scaffold
from-entity [groupId:artifactId:]entity-name
if groupId:artifactId were provided, then the plugin would find that dependency, open
that jar and look for the class(es) with that name, convert those to JavaClass
implementation that wraps a java.lang.Class and call the scaffold provider.
FacesScaffold facet operates on JavaClass. Thanks to architects that made this an
interface, its not hard to implement as a wrapper to java.lang.Class; same for other
interfaces in forge's java api. In other words, using these wrappers, FacesScaffold
can operate on java class data.
However, there seem to be a few roadblocks for me:
# The ScaffoldPlugin can accept a JavaResource, a source file. There is no method on the
plugin to accept a JavaClass Is it possible to override, perhaps by defining a brand new
plugin that derives from ScaffoldPlugin and provides the method that accepts a JavaClass?
# The ShellImpl has a fixed conversion from string to JavaResource. Is it possible to
provide a custom conversion in order for the shell to call a plugin method with a
JavaCLass parameter?
# The Dependency facet does not have a method that gives access to the jar file of the
dependency. I'm not confident that getSystemPath() returns the path to the actual jar
file. This data derives from the apache Maven's method Dependency.getSystemPath()
which has a javadoc saying: "don't call this method." I think Eclipse and
maven have different dependency resolution mechanisms, so this facet would be different in
each.
Have I read the forge code wrong? Is there a roadmap that navigates these issues?
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