cziegeler 2003/02/27 01:08:15
Added: sourceresolve/src/java/org/apache/excalibur/source/impl/validity
ExpiresValidity.java
Log:
Adding ExpiresValidity
Revision Changes Path
1.1
avalon-excalibur/sourceresolve/src/java/org/apache/excalibur/source/impl/validity/ExpiresValidity.java
Index: ExpiresValidity.java
===================================================================
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software
* itself, if and wherever such third-party acknowledgments
* normally appear.
*
* 4. The names "Jakarta", "Avalon", and "Apache Software Foundation"
* must not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.excalibur.source.impl.validity;
import org.apache.excalibur.source.SourceValidity;
/**
* A validation object that holds an expiration date.
* When the defined time/date has arrived, this validity object is
* not valid any more.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Carsten Ziegeler</a>
* @version CVS $Revision: 1.1 $ $Date: 2003/02/27 09:08:15 $
*/
public final class ExpiresValidity
implements SourceValidity
{
private long expires;
/**
* Constructor
* @param expires The delta from now when this validity object gets
invalid.
*/
public ExpiresValidity( long expires )
{
this.expires = System.currentTimeMillis() + expires;
}
/**
* Checks if the expires date is already reached.
*
* @see org.apache.excalibur.source.SourceValidity#isValid()
*/
public int isValid()
{
final long currentTime = System.currentTimeMillis();
return (currentTime <= this.expires ? SourceValidity.VALID :
SourceValidity.INVALID);
}
/**
* This method is never invoked as [EMAIL PROTECTED] #isValid} can always
perform
* the complete check.
*
* @see org.apache.excalibur.source.SourceValidity#isValid(SourceValidity)
*/
public int isValid( SourceValidity newValidity )
{
return SourceValidity.INVALID;
}
/**
*
* @see java.lang.Object#toString()
*/
public String toString()
{
return "ExpiresValidity: " + expires;
}
}
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