org.eclipse.net4j.util.ui.security.InteractiveCredentialsProvider.java Source code

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Here is the source code for org.eclipse.net4j.util.ui.security.InteractiveCredentialsProvider.java

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/*
 * Copyright (c) 2008, 2011-2013, 2015 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:
 *    Eike Stepper - initial API and implementation
 *    Christian W. Damus (CEA LIST) - bug 399306
 */
package org.eclipse.net4j.util.ui.security;

import org.eclipse.net4j.util.internal.ui.messages.Messages;
import org.eclipse.net4j.util.security.CredentialsUpdateOperation;
import org.eclipse.net4j.util.security.IPasswordCredentials;
import org.eclipse.net4j.util.security.IPasswordCredentialsProvider2;
import org.eclipse.net4j.util.security.IPasswordCredentialsUpdate;
import org.eclipse.net4j.util.security.IPasswordCredentialsUpdateProvider;
import org.eclipse.net4j.util.ui.UIUtil;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

import java.text.MessageFormat;

/**
 * @author Eike Stepper
 * @since 2.0
 */
public class InteractiveCredentialsProvider
        implements IPasswordCredentialsProvider2, IPasswordCredentialsUpdateProvider {
    public InteractiveCredentialsProvider() {
    }

    public boolean isInteractive() {
        return true;
    }

    public IPasswordCredentials getCredentials() {
        return getCredentials(null);
    }

    /**
     * @since 3.3
     */
    public IPasswordCredentials getCredentials(final String realm) {
        final IPasswordCredentials[] credentials = new IPasswordCredentials[1];
        final Display display = UIUtil.getDisplay();
        display.syncExec(new Runnable() {
            public void run() {
                CredentialsDialog dialog = new CredentialsDialog(UIUtil.getShell(), realm);
                if (dialog.open() == CredentialsDialog.OK) {
                    credentials[0] = dialog.getCredentials();
                }
            }
        });

        return credentials[0];
    }

    /**
     * @since 3.4
     */
    public IPasswordCredentialsUpdate getCredentialsUpdate(String userID, CredentialsUpdateOperation operation) {
        return getCredentialsUpdate(null, userID, operation);
    }

    /**
     * @since 3.4
     */
    public IPasswordCredentialsUpdate getCredentialsUpdate(final String realm, final String userID,
            final CredentialsUpdateOperation operation) {
        final IPasswordCredentialsUpdate[] update = { null };
        final Display display = UIUtil.getDisplay();
        display.syncExec(new Runnable() {
            public void run() {
                Shell shell = UIUtil.getShell();

                if (operation == CredentialsUpdateOperation.CHANGE_PASSWORD) {
                    CredentialsUpdateDialog dialog = new CredentialsUpdateDialog(shell, realm, userID);
                    if (dialog.open() == Window.OK) {
                        update[0] = dialog.getCredentials();
                    }
                } else {
                    CredentialsResetDialog dialog = new CredentialsResetDialog(shell, realm, userID);
                    if (dialog.open() == Window.OK) {
                        update[0] = dialog.getCredentials();
                        final String newPassword = new String(update[0].getNewPassword());

                        MessageDialog msg = new MessageDialog(shell,
                                Messages.getString("InteractiveCredentialsProvider.0"), null, //$NON-NLS-1$
                                MessageFormat.format(Messages.getString("InteractiveCredentialsProvider.1"), //$NON-NLS-1$
                                        userID, newPassword),
                                MessageDialog.INFORMATION,
                                new String[] { Messages.getString("InteractiveCredentialsProvider.2"), //$NON-NLS-1$
                                        IDialogConstants.OK_LABEL },
                                0) {

                            @Override
                            protected void buttonPressed(int buttonId) {
                                if (buttonId == 0) {
                                    copyToClipboard();
                                    // Don't close the dialog
                                } else {
                                    // Close the dialog in the usual way
                                    super.buttonPressed(IDialogConstants.OK_ID);
                                }
                            }

                            private void copyToClipboard() {
                                Clipboard clipboard = new Clipboard(getShell().getDisplay());

                                try {
                                    clipboard.setContents(new Object[] { newPassword },
                                            new Transfer[] { TextTransfer.getInstance() });
                                } finally {
                                    clipboard.dispose();
                                }
                            }
                        };

                        msg.open();
                    }
                }
            }
        });

        return update[0];
    }
}