/*
* Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package li.strolch.utils.collections;
import java.util.Date;
import li.strolch.utils.dbc.DBC;
import li.strolch.utils.iso8601.ISO8601FormatFactory;
/**
* @author Robert von Burg <eitch@eitchnet.ch>
*/
public class DateRange {
private boolean fromInclusive;
private boolean toInclusive;
private Date fromDate;
private Date toDate;
public DateRange from(Date from, boolean inclusive) {
this.fromDate = from;
this.fromInclusive = inclusive;
validate();
return this;
}
public DateRange to(Date to, boolean inclusive) {
this.toDate = to;
this.toInclusive = inclusive;
validate();
return this;
}
private void validate() {
if (this.toDate != null && this.fromDate != null)
DBC.INTERIM.assertTrue("From must be before to!", this.toDate.compareTo(this.fromDate) >= 0); //$NON-NLS-1$
}
/**
* @return from date
*/
public Date getFromDate() {
return this.fromDate;
}
/**
* @return to date
*/
public Date getToDate() {
return this.toDate;
}
/**
* @return true if from is set
*/
public boolean isFromBounded() {
return this.fromDate != null;
}
/**
* @return true if to is set
*/
public boolean isToBounded() {
return this.toDate != null;
}
/**
* @return true if both from and to are null
*/
public boolean isUnbounded() {
return this.fromDate == null && this.toDate == null;
}
/**
* @return true if both from and to date are set
*/
public boolean isBounded() {
return this.fromDate != null && this.toDate != null;
}
/**
* @return true if both from and to date are set and they are both equal
*/
public boolean isDate() {
return isBounded() && this.fromDate.equals(this.toDate);
}
public boolean contains(Date date) {
DBC.PRE.assertNotNull("Date must be given!", date); //$NON-NLS-1$
if (this.fromDate == null && this.toDate == null)
return true;
boolean fromContains = true;
boolean toContains = true;
if (this.toDate != null) {
int compare = this.toDate.compareTo(date);
if (this.toInclusive)
toContains = compare >= 0;
else
toContains = compare > 0;
}
if (this.fromDate != null) {
int compare = this.fromDate.compareTo(date);
if (this.fromInclusive)
fromContains = compare <= 0;
else
fromContains = compare < 0;
}
return toContains && fromContains;
}
@Override
public String toString() {
ISO8601FormatFactory df = ISO8601FormatFactory.getInstance();
return df.formatDate(this.fromDate) + (this.fromInclusive ? " (inc)" : " (exc)") + " - "
+ df.formatDate(this.toDate) + (this.toInclusive ? " (inc)" : " (exc)");
}
}