eu.geclipse.aws.ui.internal.AWSKeyStoreCreationOperation.java Source code

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Here is the source code for eu.geclipse.aws.ui.internal.AWSKeyStoreCreationOperation.java

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/*****************************************************************************
 * Copyright (c) 2008 g-Eclipse Consortium 
 * 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Moritz Post - initial API and implementation
 *****************************************************************************/

package eu.geclipse.aws.ui.internal;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;

import eu.geclipse.aws.auth.AWSAuthToken;
import eu.geclipse.aws.auth.AWSAuthTokenDescription;
import eu.geclipse.core.auth.AuthenticationException;
import eu.geclipse.core.auth.AuthenticationTokenManager;
import eu.geclipse.core.auth.IAuthenticationToken;
import eu.geclipse.core.auth.IAuthenticationTokenDescription;

/**
 * This {@link IRunnableWithProgress} object encapsulates the token creation
 * process of an {@link AWSAuthToken}. The creation and validation is confined
 * within its own runnable container. Any failures in creating the
 * {@link AWSAuthToken} result in a {@link AuthenticationException}, bound to
 * the problem <code>eu.geclipse.aws.ec2.problem.auth.authFailed</code>.
 * 
 * @author Moritz Post
 */
public class AWSKeyStoreCreationOperation implements IRunnableWithProgress {

    /**
     * The {@link IAuthenticationTokenDescription} to create the
     * {@link IAuthenticationToken} from
     */
    private AWSAuthTokenDescription description;

    /**
     * The constructor takes an {@link AWSAuthTokenDescription} object, which is
     * able to create the desired {@link AWSAuthToken}.
     * 
     * @param description the {@link IAuthenticationTokenDescription} to create
     *            the {@link IAuthenticationToken} from
     */
    public AWSKeyStoreCreationOperation(final AWSAuthTokenDescription description) {
        this.description = description;
    }

    public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {

        // create the new token and validate it if the creation was successful
        AuthenticationTokenManager manager = AuthenticationTokenManager.getManager();
        IAuthenticationToken token = null;
        try {
            token = manager.createToken(this.description);
            if (token != null) {
                token.validate(monitor);
            }
        } catch (AuthenticationException authEx) {
            if (token != null) {
                try {
                    manager.destroyToken(token);
                } catch (AuthenticationException authExDestroy) {
                    Activator.log("Problems destroying invalid token", authExDestroy); //$NON-NLS-1$
                }
            }
            throw new InvocationTargetException(authEx);
        }

    }

}