String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**

# Bases de données SQL (relationnelles) { #sql-relational-databases }

**FastAPI** ne vous oblige pas à utiliser une base de données SQL (relationnelle). Mais vous pouvez utiliser **n'importe quelle base de données** que vous voulez.

Ici, nous allons voir un exemple utilisant [SQLModel](https://sqlmodel.tiangolo.com/).

import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.ResourceUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.app.web.base.login.ActionResponseCredential;
import org.codelibs.fess.app.web.base.login.FessLoginAssist.LoginCredentialResolver;
import org.codelibs.fess.app.web.base.login.SpnegoCredential;
import org.codelibs.fess.exception.SsoLoginException;
import org.codelibs.fess.mylasta.action.FessUserBean;

      /*
       * The test calls directly into the "ACL-based filesystem" code, which isn't available under
       * old versions of Android. Since Android doesn't use that code path, anyway, there's no need
       * to test it.
       */
      return;
    }

    /*
     * Only under Windows (or hypothetically when running with some other non-POSIX, ACL-based

    private static final Base64.Encoder encoder = Base64.getEncoder();

    private static final int ID_MAX_LENGTH = 445;

    /**
     * Private constructor to prevent instantiation.
     */
    private SuggestUtil() {
    }

    /**
     * Creates a unique identifier for the given text by encoding it to a Base64 string.

	switch key.Kty {
	case "RSA":
		if key.N == "" || key.E == "" {
			return nil, errMalformedJWKRSAKey
		}

		// decode exponent
		ebuf, err := base64.RawURLEncoding.DecodeString(key.E)
		if err != nil {
			return nil, errMalformedJWKRSAKey
		}

		nbuf, err := base64.RawURLEncoding.DecodeString(key.N)
		if err != nil {
			return nil, errMalformedJWKRSAKey
		}

		var n, e big.Int
		n.SetBytes(nbuf)

  - 🧰 [SQLModel](https://sqlmodel.tiangolo.com) pour les interactions avec la base de données SQL en Python (ORM).
  - 🔍 [Pydantic](https://docs.pydantic.dev), utilisé par FastAPI, pour la validation des données et la gestion des paramètres.
  - 💾 [PostgreSQL](https://www.postgresql.org) comme base de données SQL.
- 🚀 [React](https://react.dev) pour le frontend.

 */
package org.codelibs.core.misc;

import java.util.Base64;

import org.codelibs.core.collection.ArrayUtil;
import org.codelibs.core.lang.StringUtil;

/**
 * Utility class for handling Base64 encoding and decoding.
 * <p>
 * This class now uses the standard {@link java.util.Base64} implementation
 * instead of a custom implementation, providing better security and performance.

		return key, ErrMissingCustomerKeyMD5
	}

	clientKey, err := base64.StdEncoding.DecodeString(h.Get(xhttp.AmzServerSideEncryptionCustomerKey))
	if err != nil || len(clientKey) != 32 { // The client key must be 256 bits long
		return key, ErrInvalidCustomerKey
	}
	keyMD5, err := base64.StdEncoding.DecodeString(h.Get(xhttp.AmzServerSideEncryptionCustomerKeyMD5))

    @MethodSource("encodeProvider")
    void testEncode(byte[] input, String expected) {
        // Arrange & Act
        String actual = Base64.encode(input);
        // Assert
        assertEquals(expected, actual, "Base64.encode should match expected string");
    }

    /**
     * Data provider for Base64 strings and expected decoded byte arrays.
     */
    static Stream<Arguments> decodeProvider() {