/**
* Append <code>excludes</code> to the current list of exclude patterns.
*
* <p>Patterns may be separated by a comma or a space.
*
* @param excludes the <code>String</code> containing the exclude patterns.
*/
public synchronized void setExcludes(String excludes) {
checkAttributesAllowed();
defaultPatterns.setExcludes(excludes);
ds = null;
}
