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         private String name;
  28
  29         public Card(File file, Format format) throws IOException {
  30                 this.file = file;
  31
  32                 if (file != null) {
  33                         name = file.getName();
  34                 }
  35
  36                 BufferedReader buffer = new BufferedReader(new FileReader(file));
  37                 List<String> lines = new LinkedList<String>();
  38                 for (String line = buffer.readLine(); line != null; line = buffer
  39                                 .readLine()) {
  40                         lines.add(line);
  41                 }
  42
  43                 load(lines, format);
  44                 dirty = false; // initial load, so no change yet
  45         }
  46
  47         public List<Contact> getContacts() {
  48                 return contacts;
  49         }
  50
  51         public boolean saveAs(File file, Format format) throws IOException {
  52                 if (file == null)
  53                         return false;
  54
  55                 BufferedWriter writer = new BufferedWriter(new FileWriter(file));
  56                 writer.append(toString(format));
  57                 writer.close();
  58
  59                 if (file.equals(this.file)) {
  60                         dirty = false;
  61                 }
  62
  63                 return true;
  64         }
  65
  66         public boolean save(Format format, boolean bKeys) throws IOException {
  67                 return saveAs(file, format);
  68         }
  69
  70         public String toString(Format format) {
  71                 return Parser.toString(this, format);
  72         }
  73
  74         public String toString() {
  75                 return toString(Format.VCard21);
  76         }
  77
  78         protected void load(String serializedContent, Format format) {
  79                 // note: fixed size array
  80                 List<String> lines = Arrays.asList(serializedContent.split("\n"));
  81                 load(lines, format);
  82         }
  83
  84         protected void load(List<String> lines, Format format) {
  85                 this.contacts = Parser.parse(lines, format);
  86                 setDirty();
  87
  88                 for (Contact contact : contacts) {
  89                         contact.setParent(this);
  90                 }
  91         }
  92
  93         public boolean isDirty() {
  94                 return dirty;
  95         }
  96
  97         /**
  98          * Return the name of this card.
  99          *
 100          * @return the name
 101          */
 102         public String getName() {
 103                 return name;
 104         }
 105
 106         /**
 107          * Notify that this element has unsaved changes.
 108          */
 109         void setDirty() {
 110                 dirty = true;
 111         }
 112 }