| /******************************************************************************* |
| * Copyright (c) 2009, Cloudsmith Inc 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: |
| * Cloudsmith Inc. - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.p2.testserver.servlets; |
| |
| import java.net.URI; |
| import java.net.URLConnection; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * Manipulates the last modified time of serviced files. |
| * The manipulator will set all modified times to 0 if TYPE_ZERO is used, to 1 if TYPE_OLD is used, |
| * to the current time if TYPE_NOW is used, and a value 24 hours into the future if TYPE_FUTURE is used. |
| * (Future values are not allowed in HTTP - the server should guard against them and force the value |
| * to be no bigger than the response date). |
| * The TYPE_BAD will produce a HTTP header with wrong format for the date value (fails date parsing). |
| * |
| */ |
| public class LastModifiedLier extends BasicResourceDelivery { |
| |
| public static final int TYPE_ZERO = 1; |
| public static final int TYPE_OLD = 2; |
| public static final int TYPE_NOW = 3; |
| public static final int TYPE_FUTURE = 4; |
| public static final int TYPE_BAD = 5; |
| private static final int TYPE_LAST = TYPE_BAD; |
| |
| private int type; |
| |
| /** |
| * The LastModifiedLier returns a last modified time according to the parameter timeType. |
| * It can be TYPE_ZERO, TYPE_OLD, TYPE_NOW, TYPE_FUTURE, or TYPE_BAD. |
| * |
| * @param theAlias |
| * @param thePath |
| * @param timeType - a TYPE_XXX constant defining what time to return |
| */ |
| public LastModifiedLier(String theAlias, URI thePath, int timeType) { |
| super(theAlias, thePath); |
| if (timeType < TYPE_ZERO || timeType > TYPE_LAST) |
| throw new IllegalArgumentException("unknown timeType, was:" + Integer.valueOf(timeType)); //$NON-NLS-1$ |
| type = timeType; |
| } |
| |
| private static final long serialVersionUID = 1L; |
| |
| protected long getLastModified(URLConnection conn) { |
| // ignore real value and lie based on constant |
| return getLastModified(); |
| } |
| |
| private long getLastModified() { |
| switch (type) { |
| case TYPE_ZERO : |
| return 0L; |
| case TYPE_OLD : |
| return 1000L; |
| case TYPE_NOW : |
| return System.currentTimeMillis(); |
| case TYPE_FUTURE : |
| return System.currentTimeMillis() + 24 * 60 * 60 * 1000; |
| } |
| // should not happen |
| return 0L; |
| } |
| |
| public void addDateHeader(HttpServletResponse response, String name, long timestamp) { |
| if (type != TYPE_BAD) |
| super.addDateHeader(response, name, timestamp); |
| else |
| response.setHeader(name, "intentionally-bad-date"); //$NON-NLS-1$ |
| } |
| |
| } |