Java 类org.apache.log4j.helpers.NullEnumeration 实例源码

/**
   Get the appenders contained in this category as an {@link
   Enumeration}. If no appenders can be found, then a {@link NullEnumeration}
   is returned.

   @return Enumeration An enumeration of the appenders in this category.  */
synchronized
public
Enumeration getAllAppenders() {
  if(aai == null)
    return NullEnumeration.getInstance();
  else
    return aai.getAllAppenders();
}

/**
   Get the appenders contained in this category as an {@link
   Enumeration}. If no appenders can be found, then a {@link NullEnumeration}
   is returned.

   @return Enumeration An enumeration of the appenders in this category.  */
synchronized
public
Enumeration getAllAppenders() {
  if(aai == null)
    return NullEnumeration.getInstance();
  else
    return aai.getAllAppenders();
}

/**
   Get the appenders contained in this category as an {@link
   Enumeration}. If no appenders can be found, then a {@link NullEnumeration}
   is returned.

   @return Enumeration An enumeration of the appenders in this category.  */
synchronized
public
Enumeration getAllAppenders() {
  if(aai == null)
    return NullEnumeration.getInstance();
  else
    return aai.getAllAppenders();
}

public Enumeration getAllAppenders() {
    return NullEnumeration.getInstance();
}

public Enumeration getAllAppenders() {
    return NullEnumeration.getInstance();
}

@SuppressWarnings("rawtypes")
public static Enumeration getCurrentLoggers() {
    return NullEnumeration.getInstance();
}

@Override
@SuppressWarnings("rawtypes")
public Enumeration getCurrentLoggers() {
    return NullEnumeration.getInstance();
}

@Override
@SuppressWarnings("rawtypes")
public Enumeration getCurrentCategories() {
    return NullEnumeration.getInstance();
}

@SuppressWarnings("rawtypes")
public Enumeration getAllAppenders() {
    return NullEnumeration.getInstance();
}

@SuppressWarnings("rawtypes")
public static Enumeration getCurrentLoggers() {
    return NullEnumeration.getInstance();
}

@Override
@SuppressWarnings("rawtypes")
public Enumeration getCurrentLoggers() {
    return NullEnumeration.getInstance();
}

@Override
@SuppressWarnings("rawtypes")
public Enumeration getCurrentCategories() {
    return NullEnumeration.getInstance();
}

@SuppressWarnings("rawtypes")
public Enumeration getAllAppenders() {
    return NullEnumeration.getInstance();
}