Example usage for org.jsoup.select Elements remove

Introduction

In this page you can find the example usage for org.jsoup.select Elements remove.

Prototype

public Elements remove() 

Source Link

Document

Remove each matched element from the DOM.

Usage

From source file:net.kevxu.purdueassist.course.ScheduleDetail.java

private ScheduleDetailEntry parseDocument(Document document)
        throws HtmlParseException, CourseNotFoundException, ResultNotMatchException {
    ScheduleDetailEntry entry = new ScheduleDetailEntry(term, crn);
    Elements tableElements = document.getElementsByAttributeValue("summary",
            "This table is used to present the detailed class information.");

    if (!tableElements.isEmpty()) {
        for (Element tableElement : tableElements) {
            // get basic info for selected course
            Element tableBasicInfoElement = tableElement.getElementsByClass("ddlabel").first();
            if (tableBasicInfoElement != null) {
                setBasicInfo(entry, tableBasicInfoElement.text());
            } else {
                throw new HtmlParseException("Basic info element empty.");
            }//  w w w .  ja  va  2s.c  om

            // get detailed course info
            Element tableDetailedInfoElement = tableElement.getElementsByClass("dddefault").first();

            if (tableDetailedInfoElement != null) {
                // process seat info
                Elements tableSeatDetailElements = tableDetailedInfoElement.getElementsByAttributeValue(
                        "summary", "This layout table is used to present the seating numbers.");
                if (tableSeatDetailElements.size() == 1) {
                    Element tableSeatDetailElement = tableSeatDetailElements.first();
                    Elements tableSeatDetailEntryElements = tableSeatDetailElement.getElementsByTag("tbody")
                            .first().children();
                    if (tableSeatDetailEntryElements.size() == 3 || tableSeatDetailEntryElements.size() == 4) {
                        setSeats(entry, tableSeatDetailEntryElements.get(1).text());
                        setWaitlistSeats(entry, tableSeatDetailEntryElements.get(2).text());
                        if (tableSeatDetailEntryElements.size() == 4) {
                            setCrosslistSeats(entry, tableSeatDetailEntryElements.get(3).text());
                        }
                    } else {
                        throw new HtmlParseException("Seat detail entry elements size not 3. We have "
                                + tableSeatDetailEntryElements.size() + ".");
                    }
                } else {
                    throw new HtmlParseException(
                            "Seat detail elements size not 1. We have " + tableSeatDetailElements.size() + ".");
                }
                // remove the seat info from detailed info
                tableSeatDetailElements.remove();

                // remaining information
                setRemainingInfo(entry, tableDetailedInfoElement.html());

            } else {
                throw new HtmlParseException("Detailed info element empty.");
            }

        }
    } else {
        // test empty
        Elements informationElements = document.getElementsByAttributeValue("summary",
                "This layout table holds message information");
        if (!informationElements.isEmpty()
                && informationElements.text().contains("No detailed class information found")) {
            throw new CourseNotFoundException(informationElements.text());
        } else {
            throw new HtmlParseException(
                    "Course table not found, but page does not contain message stating no course found.");
        }
    }

    return entry;
}

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