1 package org.slf4j.helpers; 2 3 import java.io.ObjectStreamException; 4 import java.io.Serializable; 5 6 import org.slf4j.Logger; 7 import org.slf4j.LoggerFactory; 8 9 /** 10 * Serves as base class for named logger implementation. More significantly, this 11 * class establishes deserialization behavior. See @see #readResolve. 12 * 13 * @author Ceki Gulcu 14 * @since 1.5.3 15 */ 16 abstract class NamedLoggerBase implements Logger, Serializable { 17 18 private static final long serialVersionUID = 7535258609338176893L; 19 20 protected String name; 21 22 public String getName() { 23 return name; 24 } 25 26 /** 27 * Replace this instance with a homonymous (same name) logger returned 28 * by LoggerFactory. Note that this method is only called during 29 * deserialization. 30 * 31 * <p> 32 * This approach will work well if the desired ILoggerFactory is the one 33 * references by LoggerFactory. However, if the user manages its logger hierarchy 34 * through a different (non-static) mechanism, e.g. dependency injection, then 35 * this approach would be mostly counterproductive. 36 * 37 * @return logger with same name as returned by LoggerFactory 38 * @throws ObjectStreamException 39 */ 40 protected Object readResolve() throws ObjectStreamException { 41 // using getName() instead of this.name works even for 42 // NOPLogger 43 return LoggerFactory.getLogger(getName()); 44 } 45 46 }