/* * Copyright (C) 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 com.jwetherell.quick_response_code.result; import com.jwetherell.quick_response_code.R; import com.google.zxing.client.result.CalendarParsedResult; import com.google.zxing.client.result.ParsedResult; import android.app.Activity; import java.text.DateFormat; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; /** * Handles calendar entries encoded in QR Codes. * * @author [email protected] (Daniel Switkin) */ public final class CalendarResultHandler extends ResultHandler { private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyyMMdd", Locale.ENGLISH); private static final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HHmmss", Locale.ENGLISH); public CalendarResultHandler(Activity activity, ParsedResult result) { super(activity, result); } @Override public CharSequence getDisplayContents() { CalendarParsedResult calResult = (CalendarParsedResult) getResult(); StringBuilder result = new StringBuilder(100); ParsedResult.maybeAppend(calResult.getSummary(), result); Date start = calResult.getStart(); String startString = start.toGMTString(); appendTime(startString, result, false, false); Date end = calResult.getEnd(); String endString = end.toGMTString(); if (endString != null) { boolean sameStartEnd = startString.equals(endString); appendTime(endString, result, true, sameStartEnd); } ParsedResult.maybeAppend(calResult.getLocation(), result); ParsedResult.maybeAppend(calResult.getAttendees(), result); ParsedResult.maybeAppend(calResult.getDescription(), result); return result.toString(); } private static void appendTime(String when, StringBuilder result, boolean end, boolean sameStartEnd) { if (when.length() == 8) { // Show only year/month/day Date date; synchronized (DATE_FORMAT) { date = DATE_FORMAT.parse(when, new ParsePosition(0)); } // if it's all-day and this is the end date, it's exclusive, so show // the user // that it ends on the day before to make more intuitive sense. // But don't do it if the event already (incorrectly?) specifies the // same start/end if (end && !sameStartEnd) { date = new Date(date.getTime() - 24 * 60 * 60 * 1000); } ParsedResult.maybeAppend(DateFormat.getDateInstance().format(date.getTime()), result); } else { // The when string can be local time, or UTC if it ends with a Z Date date; synchronized (DATE_TIME_FORMAT) { date = DATE_TIME_FORMAT.parse(when.substring(0, 15), new ParsePosition(0)); } long milliseconds = date.getTime(); if (when.length() == 16 && when.charAt(15) == 'Z') { Calendar calendar = new GregorianCalendar(); int offset = calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET); milliseconds += offset; } ParsedResult.maybeAppend(DateFormat.getDateTimeInstance().format(milliseconds), result); } } @Override public int getDisplayTitle() { return R.string.result_calendar; } }