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/*******************************************************************************
* 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"); //$NON-NLS-1$
}
}
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