2 * Copyright (C) 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.client.android.result;
19 import android.app.Activity;
20 import com.google.zxing.client.android.R;
21 import com.google.zxing.client.result.CalendarParsedResult;
22 import com.google.zxing.client.result.ParsedResult;
24 import java.text.DateFormat;
25 import java.text.ParsePosition;
26 import java.text.SimpleDateFormat;
27 import java.util.Calendar;
28 import java.util.Date;
29 import java.util.GregorianCalendar;
31 public final class CalendarResultHandler extends ResultHandler {
33 private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyyMMdd");
34 private static final DateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyyMMdd'T'HHmmss");
36 private static final int[] mButtons = {
37 R.string.button_add_calendar
40 public CalendarResultHandler(Activity activity, ParsedResult result) {
41 super(activity, result);
45 public int getButtonCount() {
46 return mButtons.length;
50 public int getButtonText(int index) {
51 return mButtons[index];
55 public void handleButtonPress(int index) {
56 CalendarParsedResult calendarResult = (CalendarParsedResult) mResult;
59 addCalendarEvent(calendarResult.getSummary(), calendarResult.getStart(),
60 calendarResult.getEnd());
66 public CharSequence getDisplayContents() {
67 CalendarParsedResult calResult = (CalendarParsedResult) mResult;
68 StringBuffer result = new StringBuffer();
69 ParsedResult.maybeAppend(calResult.getSummary(), result);
70 appendTime(calResult.getStart(), result);
72 // The end can be null if the event has no duration, so use the start time.
73 String endString = calResult.getEnd();
74 if (endString == null) {
75 endString = calResult.getStart();
77 appendTime(endString, result);
79 ParsedResult.maybeAppend(calResult.getLocation(), result);
80 ParsedResult.maybeAppend(calResult.getAttendee(), result);
81 ParsedResult.maybeAppend(calResult.getTitle(), result);
82 return result.toString();
85 private static void appendTime(String when, StringBuffer result) {
86 if (when.length() == 8) {
87 // Show only year/month/day
89 synchronized (DATE_FORMAT) {
90 date = DATE_FORMAT.parse(when, new ParsePosition(0));
92 ParsedResult.maybeAppend(DateFormat.getDateInstance().format(date.getTime()), result);
94 // The when string can be local time, or UTC if it ends with a Z
96 synchronized (DATE_TIME_FORMAT) {
97 date = DATE_TIME_FORMAT.parse(when.substring(0, 15), new ParsePosition(0));
99 long milliseconds = date.getTime();
100 if (when.length() == 16 && when.charAt(15) == 'Z') {
101 Calendar calendar = new GregorianCalendar();
102 int offset = (calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET));
103 milliseconds += offset;
105 ParsedResult.maybeAppend(DateFormat.getDateTimeInstance().format(milliseconds), result);
110 public int getDisplayTitle() {
111 return R.string.result_calendar;