src/be/nikiroo/jvcard/Card.java

   1 package be.nikiroo.jvcard;
   2
   3 import java.io.BufferedReader;
   4 import java.io.BufferedWriter;
   5 import java.io.File;
   6 import java.io.FileReader;
   7 import java.io.FileWriter;
   8 import java.io.IOException;
   9 import java.util.Arrays;
  10 import java.util.LinkedList;
  11 import java.util.List;
  12
  13 import be.nikiroo.jvcard.parsers.Format;
  14 import be.nikiroo.jvcard.parsers.Parser;
  15
  16 /**
  17  * A card is a contact information card. It contains data about one or more
  18  * contacts.
  19  *
  20  * @author niki
  21  *
  22  */
  23 public class Card {
  24         private List<Contact> contacts;
  25         private File file;
  26         private boolean dirty;
  27
  28         public Card(File file, Format format) throws IOException {
  29                 this.file = file;
  30
  31                 BufferedReader buffer = new BufferedReader(new FileReader(file));
  32                 List<String> lines = new LinkedList<String>();
  33                 for (String line = buffer.readLine(); line != null; line = buffer
  34                                 .readLine()) {
  35                         lines.add(line);
  36                 }
  37
  38                 load(lines, format);
  39         }
  40
  41         public List<Contact> getContacts() {
  42                 return contacts;
  43         }
  44
  45         public boolean saveAs(File file, Format format) throws IOException {
  46                 if (file == null)
  47                         return false;
  48
  49                 BufferedWriter writer = new BufferedWriter(new FileWriter(file));
  50                 writer.append(toString(format));
  51                 writer.close();
  52
  53                 if (file.equals(this.file)) {
  54                         dirty = false;
  55                 }
  56
  57                 return true;
  58         }
  59
  60         public boolean save(Format format, boolean bKeys) throws IOException {
  61                 return saveAs(file, format);
  62         }
  63
  64         public String toString(Format format) {
  65                 return Parser.toString(this, format);
  66         }
  67
  68         public String toString() {
  69                 return toString(Format.VCard21);
  70         }
  71
  72         protected void load(String serializedContent, Format format) {
  73                 // note: fixed size array
  74                 List<String> lines = Arrays.asList(serializedContent.split("\n"));
  75                 load(lines, format);
  76         }
  77
  78         protected void load(List<String> lines, Format format) {
  79                 this.contacts = Parser.parse(lines, format);
  80                 setDirty();
  81
  82                 for (Contact contact : contacts) {
  83                         contact.setParent(this);
  84                 }
  85         }
  86
  87         public boolean isDirty() {
  88                 return dirty;
  89         }
  90
  91         /**
  92          * Notify that this element has unsaved changes.
  93          */
  94         void setDirty() {
  95                 dirty = true;
  96         }
  97 }