Allow to disable usage of "default" class loaders
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Key: QDOX-148
URL: http://jira.codehaus.org/browse/QDOX-148
Project: QDox
Issue Type: New Feature
Components: Parser
Affects Versions: 1.6.1
Reporter: Benjamin Bentmann
Both available constructors of {{JavaDocBuilder}} will eventually call
{code:java}
classLibrary.addDefaultLoader();
{code}
As far as I see, there is currently no way to disable/remove these default
loaders.
This is problematic when the code using QDox and the code being analyzed depend
on the same class file (but possibly a different version). Imagine a project
with an annotated source file S that extends a class C from a third-party JAR.
Further imagine a build tool that employs QDox to scan the previously mentioned
source file S. When the scan walks up to the super class C of S, QDox ends up
in {{ClassLibrary.getClass()}} and iterates over the class loaders to load the
class C from its binary. Now imagine the build tool itself also depends on this
binary class C and the build tool's class loader was used to create the
{{JavaDocBuilder}} instance used for the scan. In this scenario, QDox will load
C from the dependencies of the build tool instead of the dependencies of the
project whose sources are actually scanned. In other words, the class path of
the QDox client pollutes the analysis.
Possible solutions could be a additional constructors for {{JavaDocBuilder}} to
disable addition of the default class loaders or a new method
{{clearClassLoaders()}} in {{ClassLibrary}}.
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