protected void checkPath(Path path) {
    URI uri = path.toUri();
    if (uri.getScheme() == null)                // fs is relative 
      return;
    String thisScheme = this.getUri().getScheme();
    String thatScheme = uri.getScheme();
    String thisAuthority = this.getUri().getAuthority();
    String thatAuthority = uri.getAuthority();
    //authority and scheme are not case sensitive
    if (thisScheme.equalsIgnoreCase(thatScheme)) {// schemes match
      if (thisAuthority == thatAuthority ||       // & authorities match
          (thisAuthority != null && 
           thisAuthority.equalsIgnoreCase(thatAuthority)))
        return;

      if (thatAuthority == null &&                // path's authority is null
          thisAuthority != null) {                // fs has an authority
        URI defaultUri = getDefaultUri(getConf()); // & is the conf default 
        if (thisScheme.equalsIgnoreCase(defaultUri.getScheme()) &&
            thisAuthority.equalsIgnoreCase(defaultUri.getAuthority()))
          return;
        try {                                     // or the default fs's uri
          defaultUri = get(getConf()).getUri();
        } catch (IOException e) {
          throw new RuntimeException(e);
        }
        if (thisScheme.equalsIgnoreCase(defaultUri.getScheme()) &&
            thisAuthority.equalsIgnoreCase(defaultUri.getAuthority()))
          return;
      }
    }
    throw new IllegalArgumentException("Wrong FS: "+path+
                                       ", expected: "+this.getUri());
  }
protected void checkPath ( Path path ) { URI uri = path . toUri ( ) ; if ( uri . getScheme ( ) == null ) return ; String thisScheme = this . getUri ( ) . getScheme ( ) ; String thatScheme = uri . getScheme ( ) ; String thisAuthority = this . getUri ( ) . getAuthority ( ) ; String thatAuthority = uri . getAuthority ( ) ; if ( thisScheme . equalsIgnoreCase ( thatScheme ) ) { if ( thisAuthority == thatAuthority || ( thisAuthority != null && thisAuthority . equalsIgnoreCase ( thatAuthority ) ) ) return ; if ( thatAuthority == null && thisAuthority != null ) { URI defaultUri = getDefaultUri ( getConf ( ) ) ; if ( thisScheme . equalsIgnoreCase ( defaultUri . getScheme ( ) ) && thisAuthority . equalsIgnoreCase ( defaultUri . getAuthority ( ) ) ) return ; try { defaultUri = get ( getConf ( ) ) . getUri ( ) ; } catch ( IOException e ) { throw new RuntimeException ( e ) ; } if ( thisScheme . equalsIgnoreCase ( defaultUri . getScheme ( ) ) && thisAuthority . equalsIgnoreCase ( defaultUri . getAuthority ( ) ) ) return ; } } throw new IllegalArgumentException ( "Wrong FS: " + path + ", expected: " + this . getUri ( ) ) ; }
Check that a Path belongs to this FileSystem.