我在一个顶层模块中有以下代码行:
String username = "testuser987-abc-zyx@gmail.com"
ModelBuilder userBuilder = utilityManager.getUtility("user").generateBuilder(username);
在我的“用户”实用程序类中,我有以下内容:
private class UserBuilder extends ModelBuilder {
private final String username;
public UserBuilder(String username) {
this.username = username;
}
@Override
public User execute() {
return populateUserInformation(username);
}
}
@Override
public UserBuilder generateBuilder(Object... arguments) throws ReflectiveOperationException {
try {
return UserBuilder.class.getConstructor(String.class).newInstance((String) arguments[0]);
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException | InstantiationException e) {
throw new ReflectiveOperationException(e);
}
}
我正在尝试使用generateBuilder(Object... arguments)方法来返回我的UserBuilder类的一个新实例(作为ModelBuilder),但是当我运行代码时,会抛出以下异常:
nested exception is java.lang.ReflectiveOperationException: java.lang.NoSuchMethodException:
com.login.util.UserOperationsUtility$UserBuilder.<init>(java.lang.String)] with root cause
java.lang.NoSuchMethodException: com.login.util.UserOperationsUtility$UserBuilder.<init>(java.lang.String)
at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_66]
at java.lang.Class.getConstructor(Class.java:1825) ~[na:1.8.0_66]
我试图按照Constructor的Java文档进行操作,但我不确定如何进行调试。我的Java反射能力知识非常有限。