Method isValidOffset

src/main/java/gate/corpora/DocumentImpl.java:2157–2162

Check that an offset is valid, i.e. it is non-null, greater than or equal to 0 and less than the size of the document content.

(Long offset)

   * to 0 and less than the size of the document content.
   */
  public boolean isValidOffset(Long offset) {
    if(offset == null) return false;
    long o = offset.longValue();
    if(o > getContent().size().longValue() || o < 0) return false;
    return true;
  } // isValidOffset

  /**
   * Check that both start and end are valid offsets and that they constitute a