TransferQueue.kt 1.77 KB
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/*
 * Copyright by the original author or authors.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package de.ccc.events.badge.card10.filetransfer

import android.net.Uri
import java.util.*
import kotlin.NoSuchElementException

class TransferQueue() {
    private val queue = LinkedList<TransferJob>()

    val size: Int
        get() = queue.size

    constructor(jobs: Array<TransferJob>) : this() {
        for (job in jobs) {
            queue.add(job)
        }
    }

    fun enqueue(sourceUri: Uri, destPath: String) {
        queue.add(TransferJob(sourceUri, destPath))
    }

    fun dequeue(): TransferJob? {
        return try {
            queue.removeFirst()
        } catch (e: NoSuchElementException) {
            null
        }
    }

    fun clear() = queue.clear()
}