sviolet.thistle.x.kotlin.extension.DateExtensions.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2015-2017 S.Violet
*
* 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.
*
* Project GitHub: https://github.com/shepherdviolet/thistle
* Email: [email protected]
*/
package sviolet.thistle.x.kotlin.extension
import java.util.*
/**
* Date extensions
*
* Created by S.Violet on 2017/6/6.
*/
/**
* Date() + milliSeconds
*/
operator fun Date?.plus(milliSeconds: Long?) : Date?{
if (this == null || milliSeconds == null){
return this
}
return Date(this.time + milliSeconds)
}
/**
* Date() - milliSeconds
*/
operator fun Date?.minus(milliSeconds: Long?) : Date?{
if (this == null || milliSeconds == null){
return this
}
return Date(this.time - milliSeconds)
}
/**
* Date() - Date()
*/
operator fun Date?.minus(date: Date?) : Long?{
if (this == null || date == null){
return 0
}
return this.time - date.time
}