private static Set<DcsFormat> getFormatSet(SolrDocument doc) { Set<DcsFormat> set = new HashSet<DcsFormat>(); String[] names = setgetAll(doc, FormatField.NAME); String[] schemas = setgetAll(doc, FormatField.SCHEMA); String[] versions = setgetAll(doc, FormatField.VERSION); String[] formats = setgetAll(doc, FormatField.FORMAT); for (int i = 0; i < formats.length; i++) { DcsFormat fmt = new DcsFormat(); if (formats[i] != null) fmt.setFormat(formats[i]); if (names[i] != null) fmt.setName(names[i]); if (schemas[i] != null) fmt.setSchemeUri(schemas[i]); if (versions[i] != null) fmt.setVersion(versions[i]); set.add(fmt); } return set; }