1 /* 2 * Copyright (C) 2009 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 package com.android.vcard; 17 18 import com.android.vcard.exception.VCardException; 19 20 import java.io.IOException; 21 import java.io.InputStream; 22 import java.util.Arrays; 23 import java.util.Collections; 24 import java.util.HashSet; 25 import java.util.Set; 26 27 /** 28 * <p> 29 * vCard parser for vCard 3.0. See RFC 2426 for more detail. 30 * </p> 31 * <p> 32 * This parser allows vCard format which is not allowed in the RFC, since 33 * we have seen several vCard 3.0 files which don't comply with it. 34 * </p> 35 * <p> 36 * e.g. vCard 3.0 does not allow "CHARSET" attribute, but some actual files 37 * have it and they uses non UTF-8 charsets. UTF-8 is recommended in RFC 2426, 38 * but it is not a must. We silently allow "CHARSET". 39 * </p> 40 */ 41 public class VCardParser_V30 extends VCardParser { 42 /* package */ static final Set<String> sKnownPropertyNameSet = 43 Collections.unmodifiableSet(new HashSet<String>(Arrays.asList( 44 "BEGIN", "END", "LOGO", "PHOTO", "LABEL", "FN", "TITLE", "SOUND", 45 "VERSION", "TEL", "EMAIL", "TZ", "GEO", "NOTE", "URL", 46 "BDAY", "ROLE", "REV", "UID", "KEY", "MAILER", // 2.1 47 "NAME", "PROFILE", "SOURCE", "NICKNAME", "CLASS", 48 "SORT-STRING", "CATEGORIES", "PRODID", // 3.0 49 "IMPP"))); // RFC 4770 50 51 /** 52 * <p> 53 * A unmodifiable Set storing the values for the type "ENCODING", available in the vCard 3.0. 54 * </p> 55 * <p> 56 * Though vCard 2.1 specification does not allow "7BIT" or "BASE64", we allow them for safety. 57 * </p> 58 * <p> 59 * "QUOTED-PRINTABLE" is not allowed in vCard 3.0 and not in this parser either, 60 * because the encoding ambiguates how the vCard file to be parsed. 61 * </p> 62 */ 63 /* package */ static final Set<String> sAcceptableEncoding = 64 Collections.unmodifiableSet(new HashSet<String>(Arrays.asList( 65 VCardConstants.PARAM_ENCODING_7BIT, 66 VCardConstants.PARAM_ENCODING_8BIT, 67 VCardConstants.PARAM_ENCODING_BASE64, 68 VCardConstants.PARAM_ENCODING_B))); 69 70 private final VCardParserImpl_V30 mVCardParserImpl; 71 VCardParser_V30()72 public VCardParser_V30() { 73 mVCardParserImpl = new VCardParserImpl_V30(); 74 } 75 VCardParser_V30(int vcardType)76 public VCardParser_V30(int vcardType) { 77 mVCardParserImpl = new VCardParserImpl_V30(vcardType); 78 } 79 80 @Override addInterpreter(VCardInterpreter interpreter)81 public void addInterpreter(VCardInterpreter interpreter) { 82 mVCardParserImpl.addInterpreter(interpreter); 83 } 84 85 @Override parse(InputStream is)86 public void parse(InputStream is) throws IOException, VCardException { 87 mVCardParserImpl.parse(is); 88 } 89 90 @Override parseOne(InputStream is)91 public void parseOne(InputStream is) throws IOException, VCardException { 92 mVCardParserImpl.parseOne(is); 93 } 94 95 @Override cancel()96 public void cancel() { 97 mVCardParserImpl.cancel(); 98 } 99 } 100