dorkbox.executor.stream.nopStreams.NopInputStream.kt Maven / Gradle / Ivy

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/*
 * Copyright 2020 dorkbox, llc
 * Copyright (C) 2019 Ketan Padegaonkar 
 *
 * 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 dorkbox.executor.stream.nopStreams

import java.io.InputStream

/**
 * An InputStream which has nothing.
 */
class NopInputStream : InputStream() {
    companion object {
        val INPUT_STREAM = NopInputStream()
    }

    override fun available(): Int {
        return 0
    }

    override fun read(): Int {
        return -1
    }
}