log4j-slf4j-impl/src/main/java/org/apache/logging/slf4j/Log4jMarkerFactory.java [33:149]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - public class Log4jMarkerFactory implements IMarkerFactory { private static final Logger LOGGER = StatusLogger.getLogger(); private final ConcurrentMap markerMap = new ConcurrentHashMap<>(); /** * Returns a Log4j Marker that is compatible with SLF4J. * @param name The name of the Marker. * @return A Marker. */ @Override public Marker getMarker(final String name) { if (name == null) { throw new IllegalArgumentException("Marker name must not be null"); } final Marker marker = markerMap.get(name); if (marker != null) { return marker; } final org.apache.logging.log4j.Marker log4jMarker = MarkerManager.getMarker(name); return addMarkerIfAbsent(name, log4jMarker); } private Marker addMarkerIfAbsent(final String name, final org.apache.logging.log4j.Marker log4jMarker) { final Marker marker = new Log4jMarker(this, log4jMarker); final Marker existing = markerMap.putIfAbsent(name, marker); return existing == null ? marker : existing; } /** * Returns a Log4j Marker converted from an existing custom SLF4J Marker. * @param marker The SLF4J Marker to convert. * @return A converted Log4j/SLF4J Marker. * @since 2.1 */ public Marker getMarker(final Marker marker) { if (marker == null) { throw new IllegalArgumentException("Marker must not be null"); } final Marker m = markerMap.get(marker.getName()); if (m != null) { return m; } return addMarkerIfAbsent(marker.getName(), convertMarker(marker)); } /** * Gets the Log4j2 marker associated to this SLF4J marker or creates a new one. * * @param marker a SLF4J marker * @return a Log4j2 marker */ org.apache.logging.log4j.Marker getLog4jMarker(final Marker marker) { if (marker == null) { return null; } else if (marker instanceof Log4jMarker) { return ((Log4jMarker) marker).getLog4jMarker(); } else { return ((Log4jMarker) getMarker(marker)).getLog4jMarker(); } } static org.apache.logging.log4j.Marker convertMarker(final Marker original) { if (original == null) { throw new IllegalArgumentException("Marker must not be null"); } return convertMarker(original, new ArrayList()); } private static org.apache.logging.log4j.Marker convertMarker( final Marker original, final Collection visited) { final org.apache.logging.log4j.Marker marker = MarkerManager.getMarker(original.getName()); if (original.hasReferences()) { final Iterator it = original.iterator(); while (it.hasNext()) { final Marker next = it.next(); if (visited.contains(next)) { LOGGER.warn("Found a cycle in Marker [{}]. Cycle will be broken.", next.getName()); } else { visited.add(next); marker.addParents(convertMarker(next, visited)); } } } return marker; } /** * Returns true if the Marker exists. * @param name The Marker name. * @return {@code true} if the Marker exists, {@code false} otherwise. */ @Override public boolean exists(final String name) { return markerMap.containsKey(name); } /** * Log4j does not support detached Markers. This method always returns false. * @param name The Marker name. * @return {@code false} */ @Override public boolean detachMarker(final String name) { return false; } /** * Log4j does not support detached Markers for performance reasons. The returned Marker is attached. * @param name The Marker name. * @return The named Marker (unmodified). */ @Override public Marker getDetachedMarker(final String name) { LOGGER.warn("Log4j does not support detached Markers. Returned Marker [{}] will be unchanged.", name); return getMarker(name); - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - log4j-slf4j2-impl/src/main/java/org/apache/logging/slf4j/Log4jMarkerFactory.java [33:149]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - public class Log4jMarkerFactory implements IMarkerFactory { private static final Logger LOGGER = StatusLogger.getLogger(); private final ConcurrentMap markerMap = new ConcurrentHashMap<>(); /** * Returns a Log4j Marker that is compatible with SLF4J. * @param name The name of the Marker. * @return A Marker. */ @Override public Marker getMarker(final String name) { if (name == null) { throw new IllegalArgumentException("Marker name must not be null"); } final Marker marker = markerMap.get(name); if (marker != null) { return marker; } final org.apache.logging.log4j.Marker log4jMarker = MarkerManager.getMarker(name); return addMarkerIfAbsent(name, log4jMarker); } private Marker addMarkerIfAbsent(final String name, final org.apache.logging.log4j.Marker log4jMarker) { final Marker marker = new Log4jMarker(this, log4jMarker); final Marker existing = markerMap.putIfAbsent(name, marker); return existing == null ? marker : existing; } /** * Returns a Log4j Marker converted from an existing custom SLF4J Marker. * @param marker The SLF4J Marker to convert. * @return A converted Log4j/SLF4J Marker. * @since 2.1 */ public Marker getMarker(final Marker marker) { if (marker == null) { throw new IllegalArgumentException("Marker must not be null"); } final Marker m = markerMap.get(marker.getName()); if (m != null) { return m; } return addMarkerIfAbsent(marker.getName(), convertMarker(marker)); } /** * Gets the Log4j2 marker associated to this SLF4J marker or creates a new one. * * @param marker a SLF4J marker * @return a Log4j2 marker */ org.apache.logging.log4j.Marker getLog4jMarker(final Marker marker) { if (marker == null) { return null; } else if (marker instanceof Log4jMarker) { return ((Log4jMarker) marker).getLog4jMarker(); } else { return ((Log4jMarker) getMarker(marker)).getLog4jMarker(); } } static org.apache.logging.log4j.Marker convertMarker(final Marker original) { if (original == null) { throw new IllegalArgumentException("Marker must not be null"); } return convertMarker(original, new ArrayList()); } private static org.apache.logging.log4j.Marker convertMarker( final Marker original, final Collection visited) { final org.apache.logging.log4j.Marker marker = MarkerManager.getMarker(original.getName()); if (original.hasReferences()) { final Iterator it = original.iterator(); while (it.hasNext()) { final Marker next = it.next(); if (visited.contains(next)) { LOGGER.warn("Found a cycle in Marker [{}]. Cycle will be broken.", next.getName()); } else { visited.add(next); marker.addParents(convertMarker(next, visited)); } } } return marker; } /** * Returns true if the Marker exists. * @param name The Marker name. * @return {@code true} if the Marker exists, {@code false} otherwise. */ @Override public boolean exists(final String name) { return markerMap.containsKey(name); } /** * Log4j does not support detached Markers. This method always returns false. * @param name The Marker name. * @return {@code false} */ @Override public boolean detachMarker(final String name) { return false; } /** * Log4j does not support detached Markers for performance reasons. The returned Marker is attached. * @param name The Marker name. * @return The named Marker (unmodified). */ @Override public Marker getDetachedMarker(final String name) { LOGGER.warn("Log4j does not support detached Markers. Returned Marker [{}] will be unchanged.", name); return getMarker(name); - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -