import org.jbibtex.BibTeXParser; //导入依赖的package包/类
/**
 * Helper tool to convert bibtex to {@link Reference} annotations. Reads
 * from stdin, writes to stdout.
 * 
 * @param args
 *            not used
 * @throws IOException
 * @throws ParseException
 */
public static void main(String[] args) throws IOException, ParseException {
	System.out.println("Enter bibtex record(s), followed by ctrl-d: ");

	final Reader reader = new InputStreamReader(System.in);

	final BibTeXParser parser = new BibTeXParser();
	final BibTeXDatabase database = parser.parse(reader);

	System.out.println();

	for (final BibTeXEntry entry : database.getEntries().values()) {
		final Reference r = MockReference.makeReference(entry);
		System.out.println(StandardFormatters.REFERENCE_ANNOTATION.format(r));
	}
}
 

import org.jbibtex.BibTeXParser; //导入依赖的package包/类
/**
 * <p>Loads a BibTeX database from a stream.</p>
 * <p>This method does not close the given stream. The caller is
 * responsible for closing it.</p>
 * @param is the input stream to read from
 * @return the BibTeX database
 * @throws IOException if the database could not be read
 * @throws ParseException if the database is invalid
 */
public BibTeXDatabase loadDatabase(InputStream is) throws IOException, ParseException {
	Reader reader = new InputStreamReader(is, "UTF-8");
	BibTeXParser parser = new BibTeXParser() {
		@Override
		public void checkStringResolution(Key key, BibTeXString string) {
			if (string == null) {
				//ignore
			}
		}
	};
	try {
		return parser.parse(reader);
	} catch (TokenMgrException err) {
		throw new ParseException("Could not parse BibTeX library: " +
				err.getMessage());
	}
}