How to use

substring

method

in

org.kie.commons.java.nio.base.AbstractPath

@Override
public Path getRoot() {
  if ( isRoot ) {
    return this;
  }
  if ( isAbsolute || !host.isEmpty() ) {
    return newRoot( fs, substring( -1 ), host, isRealPath );
  }
  return null;
}

@Override
public Path getName( int index ) throws IllegalArgumentException {
  if ( isRoot && index > 0 ) {
    throw new IllegalArgumentException();
  }
  if ( index < 0 ) {
    throw new IllegalArgumentException();
  }
  if ( index >= offsets.size() ) {
    throw new IllegalArgumentException();
  }
  return newPath( fs, substring( index ), host, isRealPath, false );
}

@Override
public Path subpath( int beginIndex,
           int endIndex ) throws IllegalArgumentException {
  if ( beginIndex < 0 ) {
    throw new IllegalArgumentException();
  }
  if ( beginIndex >= offsets.size() ) {
    throw new IllegalArgumentException();
  }
  if ( endIndex > offsets.size() ) {
    throw new IllegalArgumentException();
  }
  if ( beginIndex >= endIndex ) {
    throw new IllegalArgumentException();
  }
  return newPath( fs, substring( beginIndex, endIndex - 1 ), host, isRealPath, false );
}

@Override
public Path getParent() {
  if ( getNameCount() <= 0 ) {
    return null;
  }
  if ( getNameCount() == 1 ) {
    return getRoot();
  }
  return newPath( fs, substring( -1, getNameCount() - 2 ), host, isRealPath, isNormalized );
}