Subject Reference Record (core/SubjectRef.java)

An immutable identifier record for adapter-defined subject namespaces with validation. Use it to securely represent typed entity subjects in authorization systems.

// Source: https://github.com/iflytek/skillhub | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package com.iflytek.skillhub.auth.federation.core;

import java.util.Objects;

/** A case-preserving immutable identifier in an adapter-defined subject namespace. */
public record SubjectRef(SubjectType type, String value) {

    private static final int MAX_VALUE_LENGTH = 1024;

    public SubjectRef {
        Objects.requireNonNull(type, "subject type must not be null");
        Objects.requireNonNull(value, "subject value must not be null");
        if (value.isBlank()) {
            throw new IllegalArgumentException("subject value must not be blank");
        }
        if (value.len

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