bundles/org.eclipse.equinox.p2.repository/src/org/eclipse/equinox/internal/p2/repository/RepositoryPreferences.java

/*******************************************************************************
 * Copyright (c) 2006-2009, Cloudsmith Inc.
 * The code, documentation and other materials contained herein have been
 * licensed under the Eclipse Public License - v 1.0 by the copyright holder
 * listed above, as the Initial Contributor under such license. The text or
 * such license is available at www.eclipse.org.
 ******************************************************************************/

package org.eclipse.equinox.internal.p2.repository;

/**
 * Holds various preferences for repository.
 * TODO: if values should be configurable, they need to be persisted and read back.
 *
 */
public class RepositoryPreferences {

	/** See bug 574173: allow to retry download if specified */
	private static boolean retryOnSocketTimeout = Boolean.getBoolean("p2.RepositoryPreferences.retryOnSocketTimeout"); //$NON-NLS-1$

	/** See bug 574173 */
	private static int connectionRetryCount = Integer.getInteger("p2.RepositoryPreferences.connectionRetryCount", 1); //$NON-NLS-1$

	/** See bug 574173 */
	private static int connectionMsRetryDelay = Integer.getInteger("p2.RepositoryPreferences.connectionMsRetryDelay", //$NON-NLS-1$
			200);

	/**
	 * Number of attempts to connect (with same credentials) before giving up. Note
	 * that newer ECF using apache HTTPclient has retry by default. TODO - consider
	 * removing this option
	 *
	 * @return the value 1
	 */
	public static int getConnectionRetryCount() {
		return connectionRetryCount;
	}

	/**
	 * Reconnect delay after failure to connect (with same credentials)- in milliseconds.
	 * Current implementation returns 200ms.
	 * @return the value 200
	 */
	public static long getConnectionMsRetryDelay() {
		return connectionMsRetryDelay;
	}

	/**
	 * Whether an attempt should be made to retry download if the connection was
	 * terminated by SocketTimeoutException
	 *
	 * @return {@code false} by default
	 */
	public static boolean getRetryOnSocketTimeout() {
		return retryOnSocketTimeout;
	}

	/**
	 * Number of attempts to connect (with different credentials) before giving up.
	 * The returned value should be the number of prompts to the user + 1 (for the initial
	 * attempt with either no, or stored/cached credentials).
	 * TODO - make this configurable via a property.
	 * @return the value 4 - resulting in 3 prompts to user
	 */
	public static int getLoginRetryCount() {
		return 4;
	}
}