format.bsh

format.bsh

/** 
 * Get and normalize EAN code (from ISBN)
 *
 * @param  Record     record
 * @return String     EAN code
 */

private String getEAN(Record record) {
    DataField isbn = (DataField) record.getVariableField("020");
    if(isbn != null) {
        Subfield isbn2 = isbn.getSubfield('a');
        if(isbn2 != null) {
            String ean = isbn2.getData();
            ean = ean.replaceAll("[^0-9]*","");
            if(ean.isEmpty()) {
                return null;
            }
            else {
                return ean;
            }
        }
    }
    return null;
}

/**
 * Determine Record Format(s)
 *
 * @param  Record          record
 * @return Set     format of record
 */
public Set getFormat(Record record){
    Set result = new LinkedHashSet();
    List items = record.getVariableFields("993");

    for (VariableField item : items) {
        DataField i = (DataField) item;
        String itype = i.getSubfield('y').getData();
        if(itype.equals("KN")) {
            // Zjištění jestli je dostupná kniha přes ereading
            String ean = getEAN(record);
            String xmlfilename = "data/ereading/" + ean + ".xml";
            File xmlfile = new File(xmlfilename);
            if(xmlfile.exists() && !xmlfile.isDirectory()) {
              result.add("eBook");
            }
        }
        result.add(itype);
    }

    // Nothing worked!
    if (result.isEmpty()) {
        result.add("Unknown");
    }

    return result;
}