@Override
public void visitNode(AstNode node) {
MethodHelper methodHelper = new MethodHelper(node);
if ("equals".equalsIgnoreCase(methodHelper.getName().getTokenOriginalValue())
&& !hasSingleObjectParameter(methodHelper)) {
getContext()
.createLineViolation(
this,
"Either override Object.equals(Object), or totally rename the method to prevent any confusion.",
methodHelper.getName());
}
}
private static boolean hasSingleObjectParameter(MethodHelper methodHelper) {
List<AstNode> parameters = methodHelper.getParameters();
if (parameters.size() != 1) {
return false;
}
return isObjectType(parameters.get(0).getFirstChild(JavaGrammar.TYPE));
}
@Override
public void init() {
MethodHelper.subscribe(this);
}