gui created WW-4215:
-----------------------
Summary: CDI plugin does not allow constructor injection
Key: WW-4215
URL: https://issues.apache.org/jira/browse/WW-4215
Project: Struts 2
Issue Type: Bug
Components: Plugin - CDI
Affects Versions: 2.3.15.2
Reporter: gui
I'm converting some actions from spring injection to CDI injection.
The beans have a non empty constructor that can be used by CDI (constructor is
annotated with @Inject). I don't want to switch to field injection, since i
like to use final fields for dependencies that don't change.
However, cdi-plugin insists on having a no-arg constructor:
{code}
Caused by: Action class [com.mycompany.MyClass] does not have a public no-arg
constructor - action - file:/struts.xml:22:106
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyAction(XmlConfigurationProvider.java:431)
[xwork-core-2.3
.1.jar:2.3.1]
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addAction(XmlConfigurationProvider.java:370)
[xwork-core-2.3.1.
jar:2.3.1]
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:487)
[xwork-core-2.3.1
.jar:2.3.1]
at
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:278)
[xwork-core-2.3
.1.jar:2.3.1]
at
org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:112)
[struts2-core-2.3.
1.jar:2.3.1]
at
com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:204)
[xwork-core-2.3.1.jar:2.3
.1]
at
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:
{code}
After looking at the code, i created my own ObjectFactory that overrides the
'isNoArgConstructorRequired' method.
{code}
public class MyCdiObjectFactory extends CdiObjectFactory {
@Override
public boolean isNoArgConstructorRequired() {
return false;
}
}
{code}
Using this objectfactory, all works as expected. It would be good to have this
in the standard CidObjectFactory.
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