import org.slf4j.ILoggerFactory;
import org.slf4j.LoggerFactory;

/**
 * Use an SLF4J {@link ILoggerFactory} as a backing for a Plexus
 * {@link LoggerManager},
 * ignoring Plexus logger API parts that are not classical and probably not really used.
 *
 * @since 3.1
 */
public class Slf4jLoggerManager implements LoggerManager {

    private final ILoggerFactory loggerFactory;

    public Slf4jLoggerManager() {

public class Slf4jConfigurationFactory {
    public static final String RESOURCE = "META-INF/maven/slf4j-configuration.properties";

    public static Slf4jConfiguration getConfiguration(ILoggerFactory loggerFactory) {
        String slf4jBinding = loggerFactory.getClass().getCanonicalName();

        try {
            Enumeration<URL> resources =
                    Slf4jConfigurationFactory.class.getClassLoader().getResources(RESOURCE);

 Starting with Maven 3.1.0:

  *  Maven supports SLF4J API logging API too, ie {{{http://slf4j.org/apidocs/org/slf4j/LoggerFactory.html}LoggerFactory}} /
     {{{http://slf4j.org/apidocs/org/slf4j/Logger.html}Logger}},

  *  instead of implementing Plexus logging API itself with basic output to console, Maven implements it using SLF4J API in

    public ProtoSession protoSession;
    // here we track which user properties we pushed to Java System Properties (internal only)
    public Set<String> pushedUserProperties;

    public ILoggerFactory loggerFactory;
    public Slf4jConfiguration slf4jConfiguration;
    public Slf4jConfiguration.Level loggerLevel;
    public Boolean coloredOutput;
    public Terminal terminal;
    public Consumer<String> writer;

                context.coloredOutput = false;
            }
        }

        context.loggerFactory = LoggerFactory.getILoggerFactory();
        context.slf4jConfiguration = Slf4jConfigurationFactory.getConfiguration(context.loggerFactory);

        if (context.invokerRequest.effectiveVerbose()) {
            context.loggerLevel = Slf4jConfiguration.Level.DEBUG;

import org.eclipse.aether.DefaultRepositoryCache;
import org.eclipse.aether.transfer.TransferListener;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static java.util.Comparator.comparing;
import static org.apache.maven.api.Constants.MAVEN_HOME;
import static org.apache.maven.api.Constants.MAVEN_INSTALLATION_CONF;

import org.apache.maven.slf4j.MavenLoggerFactory;
import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Configuration for slf4j-simple.
 *
 * @since 3.1.0
 */
public class MavenSimpleConfiguration extends BaseSlf4jConfiguration {
    private static final Logger LOGGER = LoggerFactory.getLogger(MavenSimpleConfiguration.class);

    @Override
    public void setRootLoggerLevel(Level level) {

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Base test class providing common test infrastructure and utilities.
 * All test classes should extend this to ensure consistent test setup.
 */
@ExtendWith(MockitoExtension.class)
public abstract class BaseTest {

    protected final Logger logger = LoggerFactory.getLogger(getClass());

    @BeforeEach
    void baseSetUp() {

 * under the License.
 */
package org.apache.maven.cling.logging;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Abstract implementation.
 *
 * @since 3.1.0
 */
public class BaseSlf4jConfiguration implements Slf4jConfiguration {
    private static final Logger LOGGER = LoggerFactory.getLogger(BaseSlf4jConfiguration.class);

    @Override
    public void setRootLoggerLevel(Level level) {

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @deprecated instead use {@link org.apache.maven.toolchain.building.DefaultToolchainsBuilder}
 */
@Deprecated
@Named("default")
@Singleton
public class DefaultToolchainsBuilder implements ToolchainsBuilder {
    private final Logger logger = LoggerFactory.getLogger(getClass());

    @Override