Change in how Java method names are mapped to Ruby names
--------------------------------------------------------
Key: JRUBY-5540
URL: http://jira.codehaus.org/browse/JRUBY-5540
Project: JRuby
Issue Type: Bug
Components: Java Integration
Affects Versions: JRuby 1.6RC2
Environment: Mac OS 10.6, Java 1.6.0_22-b04-307-10M3261, JRuby
1.6.0.RC2
Reporter: Rich Drummond
In certain cases, JRuby 1.6.0.RC2 maps Java methods names to Ruby method names
differently than earlier versions.
For example, consider this irb session in JRuby 1.5.5:
{code}
irb(main):001:0> require 'java'
=> true
irb(main):002:0> import javax.xml.transform.TransformerFactory
=> Java::JavaxXmlTransform::TransformerFactory
irb(main):003:0> t=TransformerFactory.new_instance
=>
#<Java::ComSunOrgApacheXalanInternalXsltcTrax::TransformerFactoryImpl:0x2e19fc25>
irb(main):004:0> t.methods.sort.select{|x| x =~ /uri/}
=> ["get_uriresolver", "set_uriresolver", "uriresolver", "uriresolver="]
irb(main):005:0>
{code}
Now compare that to the same sequence of statements in irb in JRuby 1.6.0.RC2:
{code}
irb(main):001:0> require 'java'
=> true
irb(main):002:0> import javax.xml.transform.TransformerFactory
=> Java::JavaxXmlTransform::TransformerFactory
irb(main):003:0> t=TransformerFactory.new_instance
=>
#<Java::ComSunOrgApacheXalanInternalXsltcTrax::TransformerFactoryImpl:0x20823c6d>
irb(main):004:0> t.methods.sort.select{|x| x =~ /uri/}
=> ["get_uri_resolver", "set_uri_resolver", "uri_resolver", "uri_resolver="]
{code}
Whereas in 1.5.5 the Java method setURIResolver became the Ruby method
set_uriresolver; in 1.6.0.RC2 it becomes set_uri_resolver.
Perhaps this was an intentional change? (1.6.0.RC2's behaviour results in more
readable method names in this case.) However, it will cause code that was
depending on the old behaviour to break (like mine), so I thought it was worth
pointing out.
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