/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ntu.com.google.zxing.client.result;
import ntu.com.google.zxing.Result;
/**
* Partially implements the iCalendar format's "VEVENT" format for specifying a
* calendar event. See RFC 2445. This supports SUMMARY, LOCATION, GEO, DTSTART and DTEND fields.
*
* @author Sean Owen
*/
final class VEventResultParser extends ResultParser {
private VEventResultParser() {
}
public static CalendarParsedResult parse(Result result) {
String rawText = result.getText();
if (rawText == null) {
return null;
}
int vEventStart = rawText.indexOf("BEGIN:VEVENT");
if (vEventStart < 0) {
return null;
}
String summary = VCardResultParser.matchSingleVCardPrefixedField("SUMMARY", rawText, true);
String start = VCardResultParser.matchSingleVCardPrefixedField("DTSTART", rawText, true);
String end = VCardResultParser.matchSingleVCardPrefixedField("DTEND", rawText, true);
String location = VCardResultParser.matchSingleVCardPrefixedField("LOCATION", rawText, true);
String description = VCardResultParser.matchSingleVCardPrefixedField("DESCRIPTION", rawText, true);
String geoString = VCardResultParser.matchSingleVCardPrefixedField("GEO", rawText, true);
double latitude;
double longitude;
if (geoString == null) {
latitude = Double.NaN;
longitude = Double.NaN;
} else {
int semicolon = geoString.indexOf(';');
try {
latitude = Double.parseDouble(geoString.substring(0, semicolon));
longitude = Double.parseDouble(geoString.substring(semicolon + 1));
} catch (NumberFormatException nfe) {
return null;
}
}
try {
return new CalendarParsedResult(summary, start, end, location, null, description, latitude, longitude);
} catch (IllegalArgumentException iae) {
return null;
}
}
}