/** Parse the entries in the source, and return a List of BibtexEntry objects. */
@Override
public List<BibtexEntry> importEntries(InputStream stream, OutputPrinter status)
throws IOException {
ArrayList<BibtexEntry> bibItems = new ArrayList<BibtexEntry>();
BufferedReader in = new BufferedReader(ImportFormatReader.getReaderDefaultEncoding(stream));
String line;
HashMap<String, String> hm = new HashMap<String, String>();
HashMap<String, StringBuffer> lines = new HashMap<String, StringBuffer>();
StringBuffer previousLine = null;
while ((line = in.readLine()) != null) {
if (line.isEmpty()) {
continue; // ignore empty lines, e.g. at file
}
// end
// entry delimiter -> item complete
if (line.equals("------")) {
String[] type = new String[2];
String[] pages = new String[2];
String country = null;
String address = null;
String titleST = null;
String titleTI = null;
Vector<String> comments = new Vector<String>();
// add item
for (Map.Entry<String, StringBuffer> entry : lines.entrySet()) {
if (entry.getKey().equals("AU")) {
hm.put("author", entry.getValue().toString());
} else if (entry.getKey().equals("TI")) {
titleTI = entry.getValue().toString();
} else if (entry.getKey().equals("ST")) {
titleST = entry.getValue().toString();
} else if (entry.getKey().equals("YP")) {
hm.put("year", entry.getValue().toString());
} else if (entry.getKey().equals("VL")) {
hm.put("volume", entry.getValue().toString());
} else if (entry.getKey().equals("NB")) {
hm.put("number", entry.getValue().toString());
} else if (entry.getKey().equals("PS")) {
pages[0] = entry.getValue().toString();
} else if (entry.getKey().equals("PE")) {
pages[1] = entry.getValue().toString();
} else if (entry.getKey().equals("KW")) {
hm.put("keywords", entry.getValue().toString());
} else if (entry.getKey().equals("RT")) {
type[0] = entry.getValue().toString();
} else if (entry.getKey().equals("SB")) {
comments.add("Subject: " + entry.getValue());
} else if (entry.getKey().equals("SA")) {
comments.add("Secondary Authors: " + entry.getValue());
} else if (entry.getKey().equals("NT")) {
hm.put("note", entry.getValue().toString());
} else if (entry.getKey().equals("PB")) {
hm.put("publisher", entry.getValue().toString());
} else if (entry.getKey().equals("TA")) {
comments.add("Tertiary Authors: " + entry.getValue());
} else if (entry.getKey().equals("TT")) {
comments.add("Tertiary Title: " + entry.getValue());
} else if (entry.getKey().equals("ED")) {
hm.put("edition", entry.getValue().toString());
} else if (entry.getKey().equals("TW")) {
type[1] = entry.getValue().toString();
} else if (entry.getKey().equals("QA")) {
comments.add("Quaternary Authors: " + entry.getValue());
} else if (entry.getKey().equals("QT")) {
comments.add("Quaternary Title: " + entry.getValue());
} else if (entry.getKey().equals("IS")) {
hm.put("isbn", entry.getValue().toString());
} else if (entry.getKey().equals("AB")) {
hm.put("abstract", entry.getValue().toString());
} else if (entry.getKey().equals("AD")) {
address = entry.getValue().toString();
} else if (entry.getKey().equals("LG")) {
hm.put("language", entry.getValue().toString());
} else if (entry.getKey().equals("CO")) {
country = entry.getValue().toString();
} else if (entry.getKey().equals("UR") || entry.getKey().equals("AT")) {
String s = entry.getValue().toString().trim();
hm.put(
s.startsWith("http://") || s.startsWith("ftp://") ? "url" : "pdf",
entry.getValue().toString());
} else if (entry.getKey().equals("C1")) {
comments.add("Custom1: " + entry.getValue());
} else if (entry.getKey().equals("C2")) {
comments.add("Custom2: " + entry.getValue());
} else if (entry.getKey().equals("C3")) {
comments.add("Custom3: " + entry.getValue());
} else if (entry.getKey().equals("C4")) {
comments.add("Custom4: " + entry.getValue());
} else if (entry.getKey().equals("C5")) {
comments.add("Custom5: " + entry.getValue());
} else if (entry.getKey().equals("C6")) {
comments.add("Custom6: " + entry.getValue());
} else if (entry.getKey().equals("DE")) {
hm.put("annote", entry.getValue().toString());
} else if (entry.getKey().equals("CA")) {
comments.add("Categories: " + entry.getValue());
} else if (entry.getKey().equals("TH")) {
comments.add("Short Title: " + entry.getValue());
} else if (entry.getKey().equals("SE")) {
hm.put("chapter", entry.getValue().toString());
// else if (entry.getKey().equals("AC"))
// hm.put("",entry.getValue().toString());
// else if (entry.getKey().equals("LP"))
// hm.put("",entry.getValue().toString());
}
}
String bibtexType = "misc";
// to find type, first check TW, then RT
for (int i = 1; i >= 0 && bibtexType.equals("misc"); --i) {
if (type[i] == null) {
continue;
}
type[i] = type[i].toLowerCase();
if (type[i].contains("article")) {
bibtexType = "article";
} else if (type[i].contains("journal")) {
bibtexType = "article";
} else if (type[i].contains("book section")) {
bibtexType = "inbook";
} else if (type[i].contains("book")) {
bibtexType = "book";
} else if (type[i].contains("conference")) {
bibtexType = "inproceedings";
} else if (type[i].contains("proceedings")) {
bibtexType = "inproceedings";
} else if (type[i].contains("report")) {
bibtexType = "techreport";
} else if (type[i].contains("thesis") && type[i].contains("master")) {
bibtexType = "mastersthesis";
} else if (type[i].contains("thesis")) {
bibtexType = "phdthesis";
}
}
// depending on bibtexType, decide where to place the titleRT and
// titleTI
if (bibtexType.equals("article")) {
if (titleST != null) {
hm.put("journal", titleST);
}
if (titleTI != null) {
hm.put("title", titleTI);
}
} else if (bibtexType.equals("inbook")) {
if (titleST != null) {
hm.put("booktitle", titleST);
}
if (titleTI != null) {
hm.put("title", titleTI);
}
} else {
if (titleST != null) {
hm.put("booktitle", titleST); // should not
}
// happen, I
// think
if (titleTI != null) {
hm.put("title", titleTI);
}
}
// concatenate pages
if (pages[0] != null || pages[1] != null) {
hm.put(
"pages",
(pages[0] != null ? pages[0] : "") + (pages[1] != null ? "--" + pages[1] : ""));
}
// concatenate address and country
if (address != null) {
hm.put("address", address + (country != null ? ", " + country : ""));
}
if (!comments.isEmpty()) { // set comment if present
StringBuilder s = new StringBuilder();
for (int i = 0; i < comments.size(); ++i) {
s.append(i > 0 ? "; " : "").append(comments.elementAt(i));
}
hm.put("comment", s.toString());
}
BibtexEntry b =
new BibtexEntry(DEFAULT_BIBTEXENTRY_ID, BibtexEntryTypes.getEntryType(bibtexType));
b.setField(hm);
bibItems.add(b);
hm.clear();
lines.clear();
previousLine = null;
continue;
}
// new key
if (line.startsWith("--") && line.length() >= 7 && line.substring(4, 7).equals("-- ")) {
lines.put(line.substring(2, 4), previousLine = new StringBuffer(line.substring(7)));
continue;
}
// continuation (folding) of previous line
if (previousLine == null) {
return null;
}
previousLine.append(line.trim());
}
return bibItems;
}
/** Parse the entries in the source, and return a List of BibtexEntry objects. */
@Override
public List<BibtexEntry> importEntries(InputStream stream, OutputPrinter status)
throws IOException {
if (stream == null) {
throw new IOException("No stream given.");
}
ArrayList<BibtexEntry> bibitems = new ArrayList<BibtexEntry>();
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 (str.substring(0, 3).equals("PT ")) {
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<String, String>();
// 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 (beg.equals("PT")) {
if (value.startsWith("J")) {
PT = "article";
} else {
PT = value;
}
Type = "article"; // make all of them PT?
} else if (beg.equals("TY")) {
if ("JOUR".equals(value)) {
Type = "article";
} else if ("CONF".equals(value)) {
Type = "inproceedings";
}
} else if (beg.equals("JO")) {
hm.put("booktitle", value);
} else if (beg.equals("AU")) {
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 (beg.equals("TI")) {
hm.put("title", value.replaceAll("EOLEOL", " "));
} else if (beg.equals("SO") || beg.equals("JA")) {
hm.put("journal", value.replaceAll("EOLEOL", " "));
} else if (beg.equals("ID") || beg.equals("KW")) {
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 (beg.equals("AB")) {
hm.put("abstract", value.replaceAll("EOLEOL", " "));
} else if (beg.equals("BP") || beg.equals("BR") || beg.equals("SP")) {
pages = value;
} else if (beg.equals("EP")) {
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 (beg.equals("PS")) {
pages = IsiImporter.parsePages(value);
} else if (beg.equals("AR")) {
pages = value;
} else if (beg.equals("IS")) {
hm.put("number", value);
} else if (beg.equals("PY")) {
hm.put("year", value);
} else if (beg.equals("VL")) {
hm.put("volume", value);
} else if (beg.equals("PU")) {
hm.put("publisher", value);
} else if (beg.equals("DI")) {
hm.put("doi", value);
} else if (beg.equals("PD")) {
String month = IsiImporter.parseMonth(value);
if (month != null) {
hm.put("month", month);
}
} else if (beg.equals("DT")) {
Type = value;
if (Type.equals("Review")) {
Type = "article"; // set "Review" in Note/Comment?
} else if (Type.startsWith("Article")
|| Type.startsWith("Journal")
|| PT.equals("article")) {
Type = "article";
} else {
Type = "misc";
}
} else if (beg.equals("CR")) {
hm.put("CitedReferences", value.replaceAll("EOLEOL", " ; ").trim());
} else {
// Preserve all other entries except
if (beg.equals("ER") || beg.equals("EF") || beg.equals("VR") || beg.equals("FN")) {
continue;
}
hm.put(beg, value);
}
}
if (!"".equals(pages)) {
hm.put("pages", pages);
}
// Skip empty entries
if (hm.isEmpty()) {
continue;
}
BibtexEntry b = new BibtexEntry(DEFAULT_BIBTEXENTRY_ID, BibtexEntryTypes.getEntryType(Type));
// id assumes an existing database so don't
// Remove empty fields:
ArrayList<Object> toRemove = new ArrayList<Object>();
for (String key : hm.keySet()) {
String content = hm.get(key);
if (content == null || content.trim().isEmpty()) {
toRemove.add(key);
}
}
for (Object aToRemove : toRemove) {
hm.remove(aToRemove);
}
// Polish entries
IsiImporter.processSubSup(hm);
IsiImporter.processCapitalization(hm);
b.setField(hm);
bibitems.add(b);
}
return bibitems;
}