private void ensureMatcherCapacity(){
  if (fMatchersCount == fMatchers.length) {
    XPathMatcher[] array=new XPathMatcher[fMatchers.length * 2];
    System.arraycopy(fMatchers,0,array,0,fMatchers.length);
    fMatchers=array;
  }
}

private void ensureMatcherCapacity ( ) { if ( fMatchersCount == fMatchers . length ) { XPathMatcher [ ] array = new XPathMatcher [ fMatchers . length * 2 ] ; System . arraycopy ( fMatchers , 0 , array , 0 , fMatchers . length ) ; fMatchers = array ; } }
ensures the size of the matchers array .
