| 1 | package be.nikiroo.jvcard.parsers; |
| 2 | |
| 3 | import java.util.Iterator; |
| 4 | import java.util.LinkedList; |
| 5 | import java.util.List; |
| 6 | |
| 7 | import be.nikiroo.jvcard.Card; |
| 8 | import be.nikiroo.jvcard.Contact; |
| 9 | import be.nikiroo.jvcard.Data; |
| 10 | import be.nikiroo.jvcard.TypeInfo; |
| 11 | |
| 12 | public class Vcard21Parser { |
| 13 | public static List<Contact> parse(Iterable<String> textData) { |
| 14 | Iterator<String> lines = textData.iterator(); |
| 15 | List<Contact> contacts = new LinkedList<Contact>(); |
| 16 | List<Data> datas = null; |
| 17 | |
| 18 | String nextRawLine = null; |
| 19 | if (lines.hasNext()) { |
| 20 | nextRawLine = lines.next(); |
| 21 | while (lines.hasNext() && isContinuation(nextRawLine)) { |
| 22 | // BAD INPUT FILE. IGNORE. |
| 23 | System.err |
| 24 | .println("VCARD Parser warning: CONTINUATION line seen before any data line"); |
| 25 | nextRawLine = lines.next(); |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | while (nextRawLine != null) { |
| 30 | StringBuilder rawLine = new StringBuilder(nextRawLine.trim()); |
| 31 | if (lines.hasNext()) |
| 32 | nextRawLine = lines.next(); |
| 33 | else |
| 34 | nextRawLine = null; |
| 35 | |
| 36 | while (isContinuation(nextRawLine)) { |
| 37 | rawLine.append(nextRawLine.trim()); |
| 38 | if (lines.hasNext()) |
| 39 | nextRawLine = lines.next(); |
| 40 | else |
| 41 | nextRawLine = null; |
| 42 | } |
| 43 | |
| 44 | String line = rawLine.toString(); |
| 45 | if (line.equals("BEGIN:VCARD")) { |
| 46 | datas = new LinkedList<Data>(); |
| 47 | } else if (line.equals("END:VCARD")) { |
| 48 | if (datas == null) { |
| 49 | // BAD INPUT FILE. IGNORE. |
| 50 | System.err |
| 51 | .println("VCARD Parser warning: END:VCARD seen before any VCARD:BEGIN"); |
| 52 | } else { |
| 53 | contacts.add(new Contact(datas)); |
| 54 | } |
| 55 | } else { |
| 56 | if (datas == null) { |
| 57 | // BAD INPUT FILE. IGNORE. |
| 58 | System.err |
| 59 | .println("VCARD Parser warning: data seen before any VCARD:BEGIN"); |
| 60 | } else { |
| 61 | List<TypeInfo> types = new LinkedList<TypeInfo>(); |
| 62 | String name = ""; |
| 63 | String value = ""; |
| 64 | String group = ""; |
| 65 | |
| 66 | if (line.contains(":")) { |
| 67 | int colIndex = line.indexOf(':'); |
| 68 | String rest = line.substring(0, colIndex); |
| 69 | value = line.substring(colIndex + 1); |
| 70 | |
| 71 | if (rest.contains(";")) { |
| 72 | String tab[] = rest.split(";"); |
| 73 | name = tab[0]; |
| 74 | |
| 75 | for (int i = 1; i < tab.length; i++) { |
| 76 | if (tab[i].contains("=")) { |
| 77 | int equIndex = tab[i].indexOf('='); |
| 78 | String tname = tab[i] |
| 79 | .substring(0, equIndex); |
| 80 | String tvalue = tab[i] |
| 81 | .substring(equIndex + 1); |
| 82 | types.add(new TypeInfo(tname, tvalue)); |
| 83 | } else { |
| 84 | types.add(new TypeInfo(tab[i], "")); |
| 85 | } |
| 86 | } |
| 87 | } else { |
| 88 | name = rest; |
| 89 | } |
| 90 | } else { |
| 91 | name = line; |
| 92 | } |
| 93 | |
| 94 | if (name.contains(".")) { |
| 95 | int dotIndex = name.indexOf('.'); |
| 96 | group = name.substring(0, dotIndex); |
| 97 | name = name.substring(dotIndex + 1); |
| 98 | } |
| 99 | |
| 100 | datas.add(new Data(types, name, value, group)); |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | return contacts; |
| 106 | } |
| 107 | |
| 108 | // -1 = no bkeys |
| 109 | public static String toString(Contact contact, int startingBKey) { |
| 110 | StringBuilder builder = new StringBuilder(); |
| 111 | |
| 112 | builder.append("BEGIN:VCARD"); |
| 113 | builder.append("\r\n"); |
| 114 | builder.append("VERSION:2.1"); |
| 115 | builder.append("\r\n"); |
| 116 | for (int indexData = 0; indexData < contact.size(); indexData++) { |
| 117 | Data data = contact.get(indexData); |
| 118 | if (data.getGroup() != null && !data.getGroup().trim().equals("")) { |
| 119 | builder.append(data.getGroup().trim()); |
| 120 | builder.append('.'); |
| 121 | } |
| 122 | builder.append(data.getName()); |
| 123 | for (int indexType = 0; indexType < data.size(); indexType++) { |
| 124 | TypeInfo type = data.get(indexType); |
| 125 | builder.append(';'); |
| 126 | builder.append(type.getName()); |
| 127 | if (type.getValue() != null |
| 128 | && !type.getValue().trim().equals("")) { |
| 129 | builder.append('='); |
| 130 | builder.append(type.getValue()); |
| 131 | } |
| 132 | } |
| 133 | builder.append(':'); |
| 134 | |
| 135 | // TODO: bkey! |
| 136 | builder.append(data.getValue()); |
| 137 | builder.append("\r\n"); |
| 138 | } |
| 139 | builder.append("END:VCARD"); |
| 140 | builder.append("\r\n"); |
| 141 | |
| 142 | return builder.toString(); |
| 143 | } |
| 144 | |
| 145 | public static String toString(Card card) { |
| 146 | StringBuilder builder = new StringBuilder(); |
| 147 | |
| 148 | for (int index = 0; index < card.size(); index++) { |
| 149 | builder.append(toString(card.get(index), -1)); |
| 150 | } |
| 151 | |
| 152 | builder.append("\r\n"); |
| 153 | |
| 154 | return builder.toString(); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Check if the given line is a continuation line or not. |
| 159 | * |
| 160 | * @param line |
| 161 | * the line to check |
| 162 | * |
| 163 | * @return TRUE if the line is a continuation line |
| 164 | */ |
| 165 | private static boolean isContinuation(String line) { |
| 166 | if (line != null && line.length() > 0) |
| 167 | return (line.charAt(0) == ' ' || line.charAt(0) == '\t'); |
| 168 | return false; |
| 169 | } |
| 170 | } |