poussecafe.injector.SetterDependencyInjector Maven / Gradle / Ivy
package poussecafe.injector;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.Objects;
import poussecafe.exception.PousseCafeException;
public class SetterDependencyInjector extends DependencyInjector {
private Object service;
private Method method;
public SetterDependencyInjector(Object service, Method method, Map, Object> injectableServices) {
super(injectableServices);
setService(service);
setMethod(method);
}
private void setService(Object service) {
Objects.requireNonNull(service);
this.service = service;
}
private void setMethod(Method method) {
Objects.requireNonNull(method);
this.method = method;
}
@Override
protected boolean isValidTarget() {
return method.getName().startsWith("set") && method.getParameterCount() == 1;
}
@Override
protected Class getTargetType() {
return method.getParameters()[0].getType();
}
@Override
protected void setResolvedDependency(Object dependency) {
try {
method.invoke(service, dependency);
} catch (Exception e) {
throw new PousseCafeException("Unable to set dependency " + dependency.getClass().getName(), e);
}
}
}