[xstream-scm] [jira] (XSTR-722) ReflectionProvider.getFieldOrNull

Wed, 13 Mar 2013 17:19:54 -0700

Our custom ReflectionConverter implementation doesn't actually derive from ReflectionConverter. It does something very similar, but it implements Converter directly as it does many other things beside this.

What's relevant here is that my custom reflection converter tolerates elements that are unknown. In contrast, XStream chokes if it encounters an element that makes no sense there. This is where I need to be able to do getField and catch an exception. So I still request that you kindly consider applying this patch.

Exception in thread "main" com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$UnknownFieldException: No such field jenkins.FooTest.z
---- Debugging information ----
field               : z
class               : jenkins.FooTest
required-type       : jenkins.FooTest
converter-type      : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
path                : /jenkins.FooTest/z
line number         : 1
version             : null
-------------------------------
	at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.determineType(AbstractReflectionConverter.java:453)
	at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doUnmarshal(AbstractReflectionConverter.java:294)
	at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:234)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
	at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
	at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
	at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1061)
	at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1045)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:916)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:907)
	at jenkins.FooTest.main(FooTest.java:13)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
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