import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
-import java.io.FileReader;
+import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
-import java.util.Arrays;
+import java.io.InputStreamReader;
+import java.security.InvalidParameterException;
import java.util.LinkedList;
import java.util.List;
* @author niki
*
*/
-public class Card {
- private List<Contact> contacts;
+public class Card extends BaseClass<Contact> {
private File file;
- private boolean dirty;
private String name;
+ private Format format;
+ /**
+ * Create a new {@link Card} from the given {@link File} and {@link Format}.
+ *
+ * @param file
+ * the file containing the {@link Card} data, must not be NULL
+ * @param format
+ * the {@link Format} to use to parse it
+ *
+ * @throws IOException
+ * in case of IO error
+ * @throws NullPointerException
+ * if file is NULL
+ * @throws InvalidParameterException
+ * if format is NULL
+ */
public Card(File file, Format format) throws IOException {
- this.file = file;
-
- if (file != null) {
- name = file.getName();
- }
+ super(load(file, format));
- BufferedReader buffer = new BufferedReader(new FileReader(file));
- List<String> lines = new LinkedList<String>();
- for (String line = buffer.readLine(); line != null; line = buffer
- .readLine()) {
- lines.add(line);
- }
-
- load(lines, format);
- dirty = false; // initial load, so no change yet
- }
-
- public List<Contact> getContacts() {
- return contacts;
+ this.file = file;
+ this.format = format;
+ this.name = file.getName();
}
+ /**
+ * Save the {@link Card} to the given {@link File} with the given
+ * {@link Format}.
+ *
+ * @param file
+ * the {@link File} to save to
+ * @param format
+ * the {@link Format} to use
+ *
+ * @return TRUE if it was saved
+ *
+ * @throws IOException
+ * in case of IO errors
+ */
public boolean saveAs(File file, Format format) throws IOException {
if (file == null)
return false;
writer.close();
if (file.equals(this.file)) {
- dirty = false;
+ setPristine();
}
return true;
}
- public boolean save(Format format, boolean bKeys) throws IOException {
+ /**
+ * Save the {@link Card} to the original {@link File} it was open from.
+ *
+ * @return TRUE if it was saved
+ *
+ * @throws IOException
+ * in case of IO errors
+ */
+ public boolean save() throws IOException {
return saveAs(file, format);
}
+ /**
+ * Return a {@link String} representation of this {@link Card} in the given
+ * {@link Format}.
+ *
+ * @param format
+ * the {@link Format} to use
+ *
+ * @return the {@link String}
+ */
public String toString(Format format) {
return Parser.toString(this, format);
}
- public String toString() {
- return toString(Format.VCard21);
- }
-
- protected void load(String serializedContent, Format format) {
- // note: fixed size array
- List<String> lines = Arrays.asList(serializedContent.split("\n"));
- load(lines, format);
- }
-
- protected void load(List<String> lines, Format format) {
- this.contacts = Parser.parse(lines, format);
- setDirty();
-
- for (Contact contact : contacts) {
- contact.setParent(this);
- }
- }
-
- public boolean isDirty() {
- return dirty;
- }
-
/**
- * Return the name of this card.
+ * Return the name of this card (the name of the {@link File} which it was
+ * opened from).
*
* @return the name
*/
return name;
}
+ @Override
+ public String toString() {
+ return toString(Format.VCard21);
+ }
+
/**
- * Notify that this element has unsaved changes.
+ * Load the data from the given {@link File} under the given {@link Format}.
+ *
+ * @param file
+ * the {@link File} to load from
+ * @param format
+ * the {@link Format} to load as
+ *
+ * @return the list of elements
+ * @throws IOException
+ * in case of IO error
*/
- void setDirty() {
- dirty = true;
+ static private List<Contact> load(File file, Format format)
+ throws IOException {
+ BufferedReader buffer = new BufferedReader(new InputStreamReader(
+ new FileInputStream(file), "UTF-8"));
+ List<String> lines = new LinkedList<String>();
+ for (String line = buffer.readLine(); line != null; line = buffer
+ .readLine()) {
+ lines.add(line);
+ }
+ buffer.close();
+
+ return Parser.parse(lines, format);
}
}