ExpectedParseTreeGenerator.java 文件源码

private static ParseTree parseJavadocFromFile(File file)
    throws IOException {
    final String content = Files.toString(file, Charsets.UTF_8);
    final InputStream in = new ByteArrayInputStream(content.getBytes(Charsets.UTF_8));

    final ANTLRInputStream input = new ANTLRInputStream(in);
    final JavadocLexer lexer = new JavadocLexer(input);
    lexer.removeErrorListeners();

    final BaseErrorListener errorListener = new FailOnErrorListener();
    lexer.addErrorListener(errorListener);

    final CommonTokenStream tokens = new CommonTokenStream(lexer);

    final JavadocParser parser = new JavadocParser(tokens);
    parser.removeErrorListeners();
    parser.addErrorListener(errorListener);

    return parser.javadoc();
}