Provide an optional convenience implementation of Locator.
This module, both source code and documentation, is in the
Public Domain, and comes with NO WARRANTY.
for further information.
This class is available mainly for application writers, who
can use it to make a persistent snapshot of a locator at any
point during a document parse:
public void setLocator (Locator locator)
// note the locator
this.locator = locator;
public void startDocument ()
// save the location of the start of the document
// for future use.
Locator startloc = new LocatorImpl(locator);
Normally, parser writers will not use this class, since it
is more efficient to provide location information only when
requested, rather than constantly updating a Locator object.
Create a persistent copy of the current state of a locator.
When the original locator changes, this copy will still keep
the original values (and it can be used outside the scope of