001package org.slf4j.nop;
002
003import org.slf4j.ILoggerFactory;
004import org.slf4j.IMarkerFactory;
005import org.slf4j.helpers.BasicMarkerFactory;
006import org.slf4j.helpers.NOPLoggerFactory;
007import org.slf4j.helpers.NOPMDCAdapter;
008import org.slf4j.spi.MDCAdapter;
009import org.slf4j.spi.SLF4JServiceProvider;
010
011/**
012 * As the name indicates, this {#link SLF4JServiceProvider} implementation git sdiscards all events.
013 *
014 * @author Ceki Gülcü
015 */
016public class NOPServiceProvider implements SLF4JServiceProvider {
017
018    /**
019     * Declare the version of the SLF4J API this implementation is compiled against. 
020     * The value of this field is modified with each major release. 
021     */
022    // to avoid constant folding by the compiler, this field must *not* be final
023    public static String REQUESTED_API_VERSION = "2.0.99"; // !final
024
025    private final ILoggerFactory loggerFactory = new NOPLoggerFactory();
026    private final IMarkerFactory markerFactory = new BasicMarkerFactory();
027    private final MDCAdapter mdcAdapter = new NOPMDCAdapter();
028
029    public ILoggerFactory getLoggerFactory() {
030        return loggerFactory;
031    }
032
033    public IMarkerFactory getMarkerFactory() {
034        return markerFactory;
035    }
036
037    public MDCAdapter getMDCAdapter() {
038        return mdcAdapter;
039    }
040
041    @Override
042    public String getRequestedApiVersion() {
043        return REQUESTED_API_VERSION;
044    }
045
046    public void initialize() {
047
048    }
049
050   
051}