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.
 * The API remains backward compatible with previous versions.
 * </p>
 *
 * @author higa
 */
public abstract class Base64Util {

    /**

    }

    /**
     * Test that validateInputStream works with various InputStream implementations.
     */
    public void test_validateInputStream_worksWithVariousStreamTypes() {
        // ByteArrayInputStream
        extractor.testValidateInputStream(new ByteArrayInputStream(new byte[10]));

        // Custom InputStream implementation
        final InputStream customStream = new InputStream() {
            @Override

        }

        @Override
        public int getStartPosition() {
            throw new UnsupportedOperationException("getStartPosition() is not supported in this implementation");
        }

        @Override
        public int getOffset() {
            throw new UnsupportedOperationException("getOffset() is not supported in this implementation");
        }

import org.lastaflute.web.login.credential.LoginCredential;

import com.microsoft.aad.msal4j.IAccount;
import com.microsoft.aad.msal4j.IAuthenticationResult;

/**
 * Microsoft Entra ID credential implementation for Fess authentication.
 * Provides login credential functionality using Entra ID authentication results.
 */
public class EntraIdCredential implements LoginCredential, FessCredential {

import org.codelibs.fess.util.DocList;
import org.codelibs.fess.util.DocumentUtil;
import org.codelibs.fess.util.MemoryUtil;

import jakarta.annotation.PostConstruct;

/**
 * Implementation of IndexUpdateCallback for handling document indexing operations.
 * This class manages the process of updating the search index with documents from

  <artifactId>curl4j</artifactId>
  <version>x.y.z</version>
</dependency>
```

See [Maven Central](https://repo1.maven.org/maven2/org/codelibs/curl4j/) for available versions.

### Gradle

```groovy
implementation 'org.codelibs:curl4j:x.y.z'
```

## Quick Start

### Synchronous request

```java
import org.codelibs.curl.Curl;
import org.codelibs.curl.CurlResponse;

    }

    /**
     * Adds a query command to the processor.
     *
     * @param name the name to associate with the command (typically the query class simple name)
     * @param queryCommand the query command implementation to add
     * @throws IllegalArgumentException if name or queryCommand is null
     */
    public void add(final String name, final QueryCommand queryCommand) {
        if (name == null || queryCommand == null) {

     * Retrieves web crawling configurations with various filtering options.
     *
     * @param withLabelType whether to include label type information (currently not used in implementation)
     * @param withRoleType whether to include role type information (currently not used in implementation)
     * @param available whether to filter only available configurations
     * @param idList the list of configuration IDs to retrieve, or null for no ID filtering

import jakarta.validation.ConstraintDefinitionException;
import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;

/**
 * Validator implementation for URI type constraints.
 * This validator checks URI strings against specified protocol types.
 */
public class UriTypeValidator implements ConstraintValidator<UriType, String> {

    /**

     *
     * @throws Exception
     */
    public void testBackwardCompatibility() throws Exception {
        // These test cases ensure that the new java.util.Base64 implementation
        // produces the same output as the old custom implementation

        // Test case 1: Standard padding
        final byte[] data1 = "abc".getBytes();
        assertEquals("YWJj", Base64Util.encode(data1));