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Authlete library for JAX-RS (Java)
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/*
 * Copyright (C) 2023-2025 Authlete, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the
 * License.
 */
package com.authlete.jakarta;


import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.Response;
import com.authlete.common.api.AuthleteApi;
import com.authlete.common.api.Options;
import com.authlete.common.dto.CredentialJwtIssuerMetadataRequest;


/**
 * A base class for the JWT issuer metadata endpoint
 * ({@code /.well-known/jwt-issuer}) defined in SD-JWT-based Verifiable Credentials (SD-JWT VC).
 *
 * 
 * A JWT issuer provides an endpoint that returns its JWT issuer metadata
 * in the JSON format. The URL of the endpoint is defined as follows:
 * 
 *
 * 
 * JWT Issuer Identifier + {@code /.well-known/jwt-issuer}
 * 
 *
 * 
 * JWT Issuer Identifier is a URL that identifies the JWT issuer.
 * 
 *
 * @see SD-JWT-based Verifiable Credentials (SD-JWT VC)
 *
 * @since 2.65
 * @since Authlete 3.0
 */
public class BaseCredentialJwtIssuerMetadataEndpoint extends BaseEndpoint
{
    /**
     * Handle a request to the JWT issuer metadata endpoint. This method is an alias
     * of the {@link #handle(AuthleteApi, CredentialJwtIssuerMetadataRequest)} method.
     *
     * @param api
     *         An implementation of {@link AuthleteApi}.
     *
     * @return
     *         A response that should be returned from the JWT issuer
     *         metadata endpoint.
     */
    public Response handle(AuthleteApi api)
    {
        return handle(api, new CredentialJwtIssuerMetadataRequest());
    }


    /**
     * Handle a request to the JWT issuer metadata endpoint. This method is an alias
     * of the {@link #handle(AuthleteApi, CredentialJwtIssuerMetadataRequest, Options)}
     * method.
     *
     * @param api
     *         An implementation of {@link AuthleteApi}.
     *
     * @param options
     *         The request options for the {@code /api/vci/jwtissuer} API.
     *
     * @return
     *         A response that should be returned from the JWT issuer
     *         metadata endpoint.
     *
     * @since 2.82
     */
    public Response handle(AuthleteApi api, Options options)
    {
        return handle(api, new CredentialJwtIssuerMetadataRequest(), options);
    }


    /**
     * Handle a request to the JWT issuer metadata endpoint. This method is an alias
     * of {@link #handle(AuthleteApi, CredentialJwtIssuerMetadataRequest, Options)}{@code
     * handle(api, request, null)}.
     *
     * @param api
     *         An implementation of {@link AuthleteApi}.
     *
     * @return
     *         A response that should be returned from the JWT issuer
     *         metadata endpoint.
     */
    public Response handle(AuthleteApi api, CredentialJwtIssuerMetadataRequest request)
    {
        return handle(api, request, null);
    }


    /**
     * Handle a request to the JWT issuer metadata endpoint.
     *
     * 
     * This method internally creates a {@link CredentialJwtIssuerMetadataRequestHandler}
     * instance and calls its {@link
     * CredentialJwtIssuerMetadataRequestHandler#handle(CredentialJwtIssuerMetadataRequest, Options) handle()}
     * method. Then, this method uses the value returned from the handler's method
     * as a response from this method.
     * 
     *
     * 
     * When the handler's method raises a {@link WebApplicationException}, this
     * method calls {@link #onError(WebApplicationException) onError()} method with the exception.
     * The default implementation of {@code onError()} does nothing. You can override
     * the method as necessary. After calling {@code onError()} method, this method
     * calls {@code getResponse()} method of the exception and uses the returned
     * value as a response from this method.
     * 
     *
     * @param api
     *         An implementation of {@link AuthleteApi}.
     *
     * @param request
     *         The request parameters for Authlete's {@code /api/vci/jwtissuer} API.
     *
     * @param options
     *         The request options for the {@code /api/vci/jwtissuer} API.
     *
     * @return
     *         A response that should be returned from the JWT issuer
     *         metadata endpoint.
     *
     * @since 2.82
     */
    public Response handle(
            AuthleteApi api, CredentialJwtIssuerMetadataRequest request, Options options)
    {
        try
        {
            // Create a handler.
            CredentialJwtIssuerMetadataRequestHandler handler =
                    new CredentialJwtIssuerMetadataRequestHandler(api);

            // Delegate the task to the handler.
            return handler.handle(request, options);
        }
        catch (WebApplicationException e)
        {
            // An error occurred in the handler.
            onError(e);

            // Convert the error to a Response.
            return e.getResponse();
        }
    }
}