1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17package com.android.apps.tag.message; 18 19import com.android.apps.tag.R; 20import com.android.apps.tag.record.ParsedNdefRecord; 21import com.android.apps.tag.record.SmartPoster; 22import com.android.apps.tag.record.UriRecord; 23import com.google.common.collect.ImmutableList; 24 25import android.content.Context; 26 27import java.util.List; 28import java.util.Locale; 29 30/** 31 * A parsed version of an {@link android.nfc.NdefMessage} 32 */ 33public class ParsedNdefMessage { 34 35 private List<ParsedNdefRecord> mRecords; 36 37 public ParsedNdefMessage(List<ParsedNdefRecord> records) { 38 mRecords = ImmutableList.copyOf(records); 39 } 40 41 /** 42 * Returns the list of parsed records on this message. 43 */ 44 public List<ParsedNdefRecord> getRecords() { 45 return mRecords; 46 } 47 48 /** 49 * Returns the snippet information associated with the NdefMessage 50 * most appropriate for the given {@code locale}. 51 */ 52 public String getSnippet(Context context, Locale locale) { 53 if (mRecords.isEmpty()) { 54 return context.getString(R.string.tag_empty); 55 } 56 57 ParsedNdefRecord record = mRecords.get(0); 58 59 if (record instanceof UriRecord) { 60 // Be a good citizen of the Smart Poster spec. 61 62 int smartPosterRecord = -1; 63 64 final int size = mRecords.size(); 65 for (int i = 1 ; i < size ; i++) { 66 67 ParsedNdefRecord r = mRecords.get(i); 68 69 if (r instanceof SmartPoster) { 70 smartPosterRecord = i; 71 break; 72 } 73 } 74 75 if (smartPosterRecord != -1) { 76 record = mRecords.get(smartPosterRecord); 77 } 78 } 79 80 return record.getSnippet(context, locale); 81 } 82} 83