| 1 | package be.nikiroo.jvcard.parsers; |
| 2 | |
| 3 | import java.io.BufferedReader; |
| 4 | import java.io.File; |
| 5 | import java.io.FileInputStream; |
| 6 | import java.io.IOException; |
| 7 | import java.io.InputStreamReader; |
| 8 | import java.security.InvalidParameterException; |
| 9 | import java.util.LinkedList; |
| 10 | import java.util.List; |
| 11 | |
| 12 | import be.nikiroo.jvcard.Card; |
| 13 | import be.nikiroo.jvcard.Contact; |
| 14 | import be.nikiroo.jvcard.Data; |
| 15 | |
| 16 | public class Parser { |
| 17 | |
| 18 | /** |
| 19 | * Load the data from the given {@link File} under the given {@link Format}. |
| 20 | * |
| 21 | * @param file |
| 22 | * the input to load from |
| 23 | * @param format |
| 24 | * the {@link Format} to load as |
| 25 | * |
| 26 | * @return the list of elements |
| 27 | * |
| 28 | * @throws IOException |
| 29 | * in case of IO error |
| 30 | */ |
| 31 | public static List<Contact> parse(File file, Format format) |
| 32 | throws IOException { |
| 33 | List<String> lines = null; |
| 34 | |
| 35 | if (file != null && file.exists()) { |
| 36 | BufferedReader buffer = new BufferedReader(new InputStreamReader( |
| 37 | new FileInputStream(file), "UTF-8")); |
| 38 | lines = new LinkedList<String>(); |
| 39 | for (String line = buffer.readLine(); line != null; line = buffer |
| 40 | .readLine()) { |
| 41 | lines.add(line); |
| 42 | } |
| 43 | buffer.close(); |
| 44 | } |
| 45 | |
| 46 | if (lines == null) |
| 47 | return new LinkedList<Contact>(); |
| 48 | |
| 49 | return parse(lines, format); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Load the given data from under the given {@link Format}. |
| 54 | * |
| 55 | * @param lines |
| 56 | * the input to load from |
| 57 | * @param format |
| 58 | * the {@link Format} to load as |
| 59 | * |
| 60 | * @return the list of elements |
| 61 | */ |
| 62 | public static List<Contact> parse(List<String> lines, Format format) { |
| 63 | switch (format) { |
| 64 | case VCard21: |
| 65 | return Vcard21Parser.parse(lines); |
| 66 | case Abook: |
| 67 | return AbookParser.parse(lines); |
| 68 | |
| 69 | default: |
| 70 | throw new InvalidParameterException("Unknown format: " |
| 71 | + format.toString()); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | // -1 = no bkeys |
| 76 | public static String toString(Card card, Format format) { |
| 77 | switch (format) { |
| 78 | case VCard21: |
| 79 | return Vcard21Parser.toString(card); |
| 80 | case Abook: |
| 81 | return AbookParser.toString(card); |
| 82 | |
| 83 | default: |
| 84 | throw new InvalidParameterException("Unknown format: " |
| 85 | + format.toString()); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | // -1 = no bkeys |
| 90 | public static String toString(Contact contact, Format format, |
| 91 | int startingBKey) { |
| 92 | switch (format) { |
| 93 | case VCard21: |
| 94 | return Vcard21Parser.toString(contact, startingBKey); |
| 95 | case Abook: |
| 96 | return AbookParser.toString(contact, startingBKey); |
| 97 | |
| 98 | default: |
| 99 | throw new InvalidParameterException("Unknown format: " |
| 100 | + format.toString()); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | // return -1 if no bkey |
| 105 | public static int getBKey(Data data) { |
| 106 | if (data.isBinary() && data.getValue().startsWith("<HIDDEN_")) { |
| 107 | try { |
| 108 | int bkey = Integer.parseInt(data.getValue() |
| 109 | .replace("<HIDDEN_", "").replace(">", "")); |
| 110 | if (bkey < 0) |
| 111 | throw new InvalidParameterException( |
| 112 | "All bkeys MUST be positive"); |
| 113 | return bkey; |
| 114 | } catch (NumberFormatException nfe) { |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | return -1; |
| 119 | } |
| 120 | |
| 121 | static String generateBKeyString(int bkey) { |
| 122 | if (bkey < 0) |
| 123 | throw new InvalidParameterException("All bkeys MUST be positive"); |
| 124 | |
| 125 | return "<HIDDEN_" + bkey + ">"; |
| 126 | } |
| 127 | } |