com.google.ical.iter.Conditions Maven / Gradle / Ivy
// Copyright (C) 2006 Google Inc.
//
// 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 com.google.ical.iter;
import com.google.ical.util.Predicate;
import com.google.ical.values.DateValue;
/**
* factory for predicates used to test whether a recurrence is over.
*
* @author [email protected] (Mike Samuel)
*/
final class Conditions {
/** constructs a condition that fails after passing count dates. */
static Predicate countCondition(final int count) {
return new Predicate() {
int count_ = count;
public boolean apply(DateValue _) {
return --count_ >= 0;
}
@Override
public String toString() {
return "CountCondition:" + count_;
}
};
}
/**
* constructs a condition that passes for every date on or before until.
* @param until non null.
*/
static Predicate untilCondition(final DateValue until) {
return new Predicate() {
public boolean apply(DateValue date) {
return date.compareTo(until) <= 0;
}
@Override
public String toString() {
return "UntilCondition:" + until;
}
};
}
private Conditions() {
// uninstantiable
}
}