private static String[] isiAuthorsConvert(String[] authors) {
String[] result = new String[authors.length];
for (int i = 0; i < result.length; i++) {
result[i] = IsiImporter.isiAuthorConvert(authors[i]);
}
return result;
}
public static String isiAuthorsConvert(String authors) {
String[] s = IsiImporter.isiAuthorsConvert(authors.split(" and |;"));
return StringUtil.join(s, " and ");
}
/** Parse the entries in the source, and return a List of BibEntry objects. */
@Override
public List<BibEntry> importEntries(InputStream stream, OutputPrinter status) throws IOException {
if (stream == null) {
throw new IOException("No stream given.");
}
ArrayList<BibEntry> bibitems = new ArrayList<>();
StringBuilder sb = new StringBuilder();
BufferedReader in = new BufferedReader(ImportFormatReader.getReaderDefaultEncoding(stream));
// Pattern fieldPattern = Pattern.compile("^AU |^TI |^SO |^DT |^C1 |^AB
// |^ID |^BP |^PY |^SE |^PY |^VL |^IS ");
String str;
while ((str = in.readLine()) != null) {
if (str.length() < 3) {
continue;
}
// begining of a new item
if ("PT ".equals(str.substring(0, 3))) {
sb.append("::").append(str);
} else {
String beg = str.substring(0, 3).trim();
// I could have used the fieldPattern regular expression instead
// however this seems to be
// quick and dirty and it works!
if (beg.length() == 2) {
sb.append(" ## "); // mark the begining of each field
sb.append(str);
} else {
sb.append("EOLEOL"); // mark the end of each line
sb.append(str.trim()); // remove the initial spaces
}
}
}
String[] entries = sb.toString().split("::");
HashMap<String, String> hm = new HashMap<>();
// skip the first entry as it is either empty or has document header
for (String entry : entries) {
String[] fields = entry.split(" ## ");
if (fields.length == 0) {
fields = entry.split("\n");
}
String Type = "";
String PT = "";
String pages = "";
hm.clear();
for (String field : fields) {
// empty field don't do anything
if (field.length() <= 2) {
continue;
}
String beg = field.substring(0, 2);
String value = field.substring(3);
if (value.startsWith(" - ")) {
value = value.substring(3);
}
value = value.trim();
if ("PT".equals(beg)) {
if (value.startsWith("J")) {
PT = "article";
} else {
PT = value;
}
Type = "article"; // make all of them PT?
} else if ("TY".equals(beg)) {
if ("JOUR".equals(value)) {
Type = "article";
} else if ("CONF".equals(value)) {
Type = "inproceedings";
}
} else if ("JO".equals(beg)) {
hm.put("booktitle", value);
} else if ("AU".equals(beg)) {
String author = IsiImporter.isiAuthorsConvert(value.replaceAll("EOLEOL", " and "));
// if there is already someone there then append with "and"
if (hm.get("author") != null) {
author = hm.get("author") + " and " + author;
}
hm.put("author", author);
} else if ("TI".equals(beg)) {
hm.put("title", value.replaceAll("EOLEOL", " "));
} else if ("SO".equals(beg) || "JA".equals(beg)) {
hm.put("journal", value.replaceAll("EOLEOL", " "));
} else if ("ID".equals(beg) || "KW".equals(beg)) {
value = value.replaceAll("EOLEOL", " ");
String existingKeywords = hm.get("keywords");
if ((existingKeywords == null) || existingKeywords.contains(value)) {
existingKeywords = value;
} else {
existingKeywords += ", " + value;
}
hm.put("keywords", existingKeywords);
} else if ("AB".equals(beg)) {
hm.put("abstract", value.replaceAll("EOLEOL", " "));
} else if ("BP".equals(beg) || "BR".equals(beg) || "SP".equals(beg)) {
pages = value;
} else if ("EP".equals(beg)) {
int detpos = value.indexOf(' ');
// tweak for IEEE Explore
if ((detpos != -1) && !value.substring(0, detpos).trim().isEmpty()) {
value = value.substring(0, detpos);
}
pages = pages + "--" + value;
} else if ("PS".equals(beg)) {
pages = IsiImporter.parsePages(value);
} else if ("AR".equals(beg)) {
pages = value;
} else if ("IS".equals(beg)) {
hm.put("number", value);
} else if ("PY".equals(beg)) {
hm.put("year", value);
} else if ("VL".equals(beg)) {
hm.put("volume", value);
} else if ("PU".equals(beg)) {
hm.put("publisher", value);
} else if ("DI".equals(beg)) {
hm.put("doi", value);
} else if ("PD".equals(beg)) {
String month = IsiImporter.parseMonth(value);
if (month != null) {
hm.put("month", month);
}
} else if ("DT".equals(beg)) {
Type = value;
if ("Review".equals(Type)) {
Type = "article"; // set "Review" in Note/Comment?
} else if (Type.startsWith("Article")
|| Type.startsWith("Journal")
|| "article".equals(PT)) {
Type = "article";
} else {
Type = "misc";
}
} else if ("CR".equals(beg)) {
hm.put("CitedReferences", value.replaceAll("EOLEOL", " ; ").trim());
} else {
// Preserve all other entries except
if ("ER".equals(beg) || "EF".equals(beg) || "VR".equals(beg) || "FN".equals(beg)) {
continue;
}
hm.put(beg.toLowerCase(), value);
}
}
if (!"".equals(pages)) {
hm.put("pages", pages);
}
// Skip empty entries
if (hm.isEmpty()) {
continue;
}
BibEntry b = new BibEntry(DEFAULT_BIBTEXENTRY_ID, EntryTypes.getTypeOrDefault(Type));
// id assumes an existing database so don't
// Remove empty fields:
List<Object> toRemove = new ArrayList<>();
for (Map.Entry<String, String> field : hm.entrySet()) {
String content = field.getValue();
if ((content == null) || content.trim().isEmpty()) {
toRemove.add(field.getKey());
}
}
for (Object aToRemove : toRemove) {
hm.remove(aToRemove);
}
// Polish entries
IsiImporter.processSubSup(hm);
IsiImporter.processCapitalization(hm);
b.setField(hm);
bibitems.add(b);
}
return bibitems;
}