private static void writeHtmlOutput() throws Exception {
boolean odd = false;
// Opens the output file for writing.
try (PrintWriter out = new PrintWriter(new File(OUTPUT_FILE_PATH))) {
for (Alumnus alumnus : filteredAlumni) {
// Writes a line to the output file.
alumnus.printTableLine(out, odd, homepageMap);
odd = !odd;
}
}
}
private static void parseDetails() throws Exception {
// Processes all alumni.
for (Alumnus alumnus : alumni) {
// Opens the detail page of the alumnus.
System.out.printf("Checking details for %s... ", alumnus);
Document doc = Jsoup.connect(alumnus.getUrl()).get();
// Obtains the tables in the document and looks for the products table.
Elements tables = doc.select(SELECTOR_TABLE);
Element table = null;
for (Element aTable : tables) {
Elements headers = aTable.select(SELECTOR_HEADER);
if (HEADER_DETAIL_DEFENSEDATE_TEXT.equals(headers.get(HEADER_DETAIL_DEFENSEDATE).text())) {
table = aTable;
break;
}
}
// Checks if the table was found.
if (table == null) {
System.out.println("product table not found!");
} else {
// Extracts the rows from the table. Goes through all of them looking for the alumnus'
// defended work.
String workUri = null;
Elements rows = table.select(SELECTOR_ROW);
for (Element row : rows) {
// Extracts the columns from the row.
Elements columns = row.select(SELECTOR_COLUMN);
// Read the columns with useful information.
if (!columns.isEmpty()) {
Element titleCell = columns.get(COLUMN_DETAIL_TITLE);
String type = columns.get(COLUMN_DETAIL_TYPE).text();
if (COLUMN_DETAIL_TYPE_MASTERS.equals(type)) {
workUri = baseUrl + titleCell.select(SELECTOR_DETAIL_LINK).attr(ATTRIBUTE_LINK);
alumnus.setWorkTitle(titleCell.text());
}
}
}
// Checks if the alumnus' defended work was found.
if (workUri == null) {
System.out.println("defended work not found!");
} else {
// Opens the detail page of the alumnus' defended work.
doc = Jsoup.connect(workUri).get();
// Looks for the first table in the document, where the names of the supervisors are.
table = doc.select(SELECTOR_TABLE).first();
// Extracts the rows from the table. Goes through all of them looking for the main
// supervisor.
String supervisor = null;
if (table != null) {
rows = table.select(SELECTOR_ROW);
for (Element aRow : rows) {
// Extracts the columns from the row.
Elements columns = aRow.select(SELECTOR_COLUMN);
// Checks if it's the main supervisor.
if (!columns.isEmpty()) {
if (COLUMN_WORK_DETAIL_SUPERVISOR_ROLE_MAIN.equals(
columns.get(COLUMN_WORK_DETAIL_SUPERVISOR_ROLE).text())) {
supervisor = columns.get(COLUMN_WORK_DETAIL_SUPERVISOR_NAME).text();
}
}
}
}
// Checks if the supervisor was found.
if (supervisor == null) {
System.out.println("supervisor name not found!");
}
// Checks if the alumnus passes the supervisor filter.
else if (supervisorFilter.contains(supervisor)) {
alumnus.setSupervisor(supervisor);
filteredAlumni.add(alumnus);
System.out.printf("OK! (%s)%n", supervisor);
}
// Otherwise...
else {
System.out.println("filtered out by supervisor.");
}
}
}
}
}