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Groovy: A powerful, dynamic language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 groovy.time;
import org.codehaus.groovy.runtime.DefaultGroovyMethods;
import org.codehaus.groovy.runtime.StringGroovyMethods;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
/**
* Base class for date and time durations.
*
* @author John Wilson [email protected]
* @see Duration
*/
public abstract class BaseDuration implements Comparable {
protected final int years;
protected final int months;
protected final int days;
protected final int hours;
protected final int minutes;
protected final int seconds;
protected final int millis;
protected BaseDuration(final int years, final int months, final int days, final int hours, final int minutes, final int seconds, final int millis) {
this.years = years;
this.months = months;
this.days = days;
this.hours = hours;
this.minutes = minutes;
this.seconds = seconds;
this.millis = millis;
}
protected BaseDuration(final int days, final int hours, final int minutes, final int seconds, final int millis) {
this(0, 0, days, hours, minutes, seconds, millis);
}
public int getYears() {
return this.years;
}
public int getMonths() {
return this.months;
}
public int getDays() {
return this.days;
}
public int getHours() {
return this.hours;
}
public int getMinutes() {
return this.minutes;
}
public int getSeconds() {
return this.seconds;
}
public int getMillis() {
return this.millis;
}
public Date plus(final Date date) {
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.YEAR, this.years);
cal.add(Calendar.MONTH, this.months);
cal.add(Calendar.DAY_OF_YEAR, this.days);
cal.add(Calendar.HOUR_OF_DAY, this.hours);
cal.add(Calendar.MINUTE, this.minutes);
cal.add(Calendar.SECOND, this.seconds);
cal.add(Calendar.MILLISECOND, this.millis);
return cal.getTime();
}
public String toString() {
List buffer = new ArrayList();
if (this.years != 0) buffer.add(this.years + " years");
if (this.months != 0) buffer.add(this.months + " months");
if (this.days != 0) buffer.add(this.days + " days");
if (this.hours != 0) buffer.add(this.hours + " hours");
if (this.minutes != 0) buffer.add(this.minutes + " minutes");
if (this.seconds != 0 || this.millis != 0) {
int norm_millis = millis % 1000;
int norm_seconds = seconds + DefaultGroovyMethods.intdiv(millis - norm_millis, 1000).intValue();
buffer.add((norm_seconds == 0 ? (norm_millis < 0 ? "-0" : "0") : norm_seconds) + "." + StringGroovyMethods.padLeft("" + Math.abs(norm_millis), 3, "0") + " seconds");
}
if (buffer.size() != 0) {
return DefaultGroovyMethods.join(buffer.iterator(), ", ");
} else {
return "0";
}
}
public abstract long toMilliseconds();
public abstract Date getAgo();
public abstract From getFrom();
public int compareTo(BaseDuration otherDuration) {
return Long.signum(toMilliseconds() - otherDuration.toMilliseconds());
}
public abstract static class From {
public abstract Date getNow();
public Date getToday() {
return getNow();
}
}
}