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/*
* Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Christian W. Damus (CEA LIST) - initial API and implementation
*/
package org.eclipse.net4j.util.ui.security;
import org.eclipse.net4j.util.internal.ui.messages.Messages;
import org.eclipse.net4j.util.security.IPasswordCredentials;
import org.eclipse.net4j.util.security.IPasswordCredentialsUpdate;
import org.eclipse.net4j.util.security.PasswordCredentialsUpdate;
import org.eclipse.swt.widgets.Shell;
import java.security.SecureRandom;
import java.text.MessageFormat;
/**
* @since 3.4
*/
public class CredentialsResetDialog extends CredentialsDialog
{
private static final String TITLE = Messages.getString("CredentialsResetDialog_0"); //$NON-NLS-1$
private static final String MESSAGE = Messages.getString("CredentialsResetDialog_1"); //$NON-NLS-1$
private static final SecureRandom RANDOM = new SecureRandom();
public CredentialsResetDialog(Shell shell, String userID)
{
this(shell, null, userID);
}
public CredentialsResetDialog(Shell shell, String realm, String userID)
{
super(shell, realm, TITLE, MessageFormat.format(MESSAGE, userID));
}
@Override
public IPasswordCredentialsUpdate getCredentials()
{
return (IPasswordCredentialsUpdate)super.getCredentials();
}
@Override
protected IPasswordCredentials createCredentials(String userID, char[] password)
{
char[] newPassword = generatePassword();
return new PasswordCredentialsUpdate(userID, password, newPassword);
}
char[] generatePassword()
{
char[] result = new char[8];
int base = Character.valueOf('!');
int max = Character.valueOf('~') - base;
for (int i = 0; i < result.length; i++)
{
result[i] = (char)(base + RANDOM.nextInt(max));
}
return result;
}
}
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