private static RaiseException argumentError(
ThreadContext context, ParameterTypes[] methods, IRubyObject receiver, Class[] argTypes) {
boolean constructor =
methods[0] instanceof JavaConstructor || methods[0] instanceof JavaProxyConstructor;
StringBuffer fullError = new StringBuffer();
fullError.append("no ");
if (constructor) {
fullError.append("constructor");
} else {
fullError.append("method '").append(((JavaMethod) methods[0]).name().toString()).append("' ");
}
fullError.append("for arguments ").append(CodegenUtils.prettyParams(argTypes)).append(" on ");
if (receiver instanceof RubyModule) {
fullError.append(((RubyModule) receiver).getName());
} else {
fullError.append(receiver.getMetaClass().getRealClass().getName());
}
if (methods.length > 1) {
fullError.append("\n available overloads:");
for (ParameterTypes method : methods) {
fullError.append("\n " + CodegenUtils.prettyParams(method.getParameterTypes()));
}
}
return context.runtime.newNameError(fullError.toString(), null);
}
private Method getMethod(String name, Class... argTypes) {
try {
return getObject().getClass().getMethod(name, argTypes);
} catch (NoSuchMethodException nsme) {
throw JavaMethod.newMethodNotFoundError(
getRuntime(), getObject().getClass(), name + CodegenUtils.prettyParams(argTypes), name);
}
}
private RubyMethod getRubyMethod(String name, Class... argTypes) {
Method jmethod = getMethod(name, argTypes);
if (Modifier.isStatic(jmethod.getModifiers())) {
return RubyMethod.newMethod(
metaClass.getSingletonClass(),
CodegenUtils.prettyParams(argTypes),
metaClass.getSingletonClass(),
name,
getMethodInvoker(jmethod),
getMetaClass());
} else {
return RubyMethod.newMethod(
metaClass,
CodegenUtils.prettyParams(argTypes),
metaClass,
name,
getMethodInvoker(jmethod),
this);
}
}
@Override
public String toString() {
return ""
+ (statik ? "static " : "")
+ nativeReturn.getSimpleName()
+ " "
+ nativeTarget.getSimpleName()
+ "."
+ nativeName
+ CodegenUtils.prettyShortParams(nativeSignature);
}
public boolean match(Class type, IRubyObject arg) {
return type.equals(argClass(arg))
|| (type.isPrimitive() && CodegenUtils.getBoxType(type) == argClass(arg));
}