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Code Issues Actions 3 Packages Projects Releases Wiki Activity

username max length

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This commit is contained in:
Sebastian Stenzel 2014-10-04 19:17:39 +02:00
parent 2fcdd4eb01
commit 9d6af97ef1
2 changed files with 30 additions and 12 deletions
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17
oce-main/oce-ui/src/main/java/de/sebastianstenzel/oce/ui/AdvancedController.java
View File

@ -11,9 +11,6 @@ package de.sebastianstenzel.oce.ui;
import java.net.URL;
import java.util.ResourceBundle;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
@ -22,10 +19,15 @@ import javafx.fxml.Initializable;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.GridPane;
import org.apache.commons.lang3.CharUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import de.sebastianstenzel.oce.ui.settings.Settings;
public class AdvancedController implements Initializable {
private static final Logger LOG = LoggerFactory.getLogger(AdvancedController.class);
@FXML
@ -40,22 +42,23 @@ public class AdvancedController implements Initializable {
portTextField.addEventFilter(KeyEvent.KEY_TYPED, new NumericKeyTypeEventFilter());
portTextField.focusedProperty().addListener(new PortTextFieldFocusListener());
}
/**
* Consumes key events, if typed key is not 0-9.
*/
private static final class NumericKeyTypeEventFilter implements EventHandler<KeyEvent> {
@Override
public void handle(KeyEvent t) {
if (t.getCharacter() == null || t.getCharacter().length() == 0) {
return;
}
char c = t.getCharacter().charAt(0);
if (!(c >= '0' && c <= '9')) {
if (!CharUtils.isAsciiNumeric(c)) {
t.consume();
}
}
}
/**
* Saves port settings, when textfield loses focus.
*/

25
oce-main/oce-ui/src/main/java/de/sebastianstenzel/oce/ui/InitializeController.java
View File

@ -19,20 +19,22 @@ import java.nio.file.InvalidPathException;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.ResourceBundle;
import java.util.regex.Pattern;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.GridPane;
import javafx.stage.DirectoryChooser;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.CharUtils;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -45,7 +47,7 @@ import de.sebastianstenzel.oce.ui.util.MasterKeyFilter;
public class InitializeController implements Initializable {
private static final Logger LOG = LoggerFactory.getLogger(InitializeController.class);
private static final Pattern USERNAME_PATTERN = Pattern.compile("[a-z0-9_-]*", Pattern.CASE_INSENSITIVE);
private static final int MAX_USERNAME_LENGTH = 200;
private ResourceBundle localization;
@FXML
@ -67,6 +69,7 @@ public class InitializeController implements Initializable {
public void initialize(URL url, ResourceBundle rb) {
this.localization = rb;
workDirTextField.textProperty().addListener(new WorkDirChangeListener());
usernameField.addEventFilter(KeyEvent.KEY_TYPED, new AlphaNumericKeyTypeEventFilter());
usernameField.textProperty().addListener(new UsernameChangeListener());
usernameField.disableProperty().addListener(new ClearOnDisableListener(usernameField));
passwordField.textProperty().addListener(new PasswordChangeListener());
@ -118,12 +121,24 @@ public class InitializeController implements Initializable {
/**
* Step 2: Choose a valid username
*/
private static final class AlphaNumericKeyTypeEventFilter implements EventHandler<KeyEvent> {
@Override
public void handle(KeyEvent t) {
if (t.getCharacter() == null || t.getCharacter().length() == 0) {
return;
}
char c = t.getCharacter().charAt(0);
if (!CharUtils.isAsciiAlphanumeric(c)) {
t.consume();
}
}
}
private final class UsernameChangeListener implements ChangeListener<String> {
@Override
public void changed(ObservableValue<? extends String> property, String oldValue, String newValue) {
final boolean isValidUsername = USERNAME_PATTERN.matcher(newValue).matches();
if (!isValidUsername) {
usernameField.setText(oldValue);
if (StringUtils.length(newValue) > MAX_USERNAME_LENGTH) {
usernameField.setText(newValue.substring(0, MAX_USERNAME_LENGTH));
}
passwordField.setDisable(StringUtils.isEmpty(usernameField.getText()));
}