javax.mail.search.DateTerm Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.mail.search;
import java.util.Date;
/**
* This class implements comparisons for Dates
*
* @author Bill Shannon
* @author John Mani
*/
public abstract class DateTerm extends ComparisonTerm {
/**
* The date.
*
* @serial
*/
protected Date date;
private static final long serialVersionUID = 4818873430063720043L;
/**
* Constructor.
* @param comparison the comparison type
* @param date The Date to be compared against
*/
protected DateTerm(int comparison, Date date) {
this.comparison = comparison;
this.date = date;
}
/**
* Return the Date to compare with.
*
* @return the date
*/
public Date getDate() {
return new Date(date.getTime());
}
/**
* Return the type of comparison.
*
* @return the comparison type
*/
public int getComparison() {
return comparison;
}
/**
* The date comparison method.
*
* @param d the date in the constructor is compared with this date
* @return true if the dates match, otherwise false
*/
protected boolean match(Date d) {
switch (comparison) {
case LE:
return d.before(date) || d.equals(date);
case LT:
return d.before(date);
case EQ:
return d.equals(date);
case NE:
return !d.equals(date);
case GT:
return d.after(date);
case GE:
return d.after(date) || d.equals(date);
default:
return false;
}
}
/**
* Equality comparison.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof DateTerm))
return false;
DateTerm dt = (DateTerm)obj;
return dt.date.equals(this.date) && super.equals(obj);
}
/**
* Compute a hashCode for this object.
*/
@Override
public int hashCode() {
return date.hashCode() + super.hashCode();
}
}