fakeadbserver/src/main/java/com/android/fakeadbserver/shellcommandhandlers/EchoCommandHandler.kt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.android.fakeadbserver.shellcommandhandlers

import com.android.fakeadbserver.DeviceState
import com.android.fakeadbserver.FakeAdbServer
import com.android.fakeadbserver.ShellProtocolType
import com.android.fakeadbserver.services.ServiceOutput

/**
 * A shell command handler that writes its argument(s) to `stdout`, followed by a newline
 */
class EchoCommandHandler(shellProtocolType: ShellProtocolType) : SimpleShellHandler(
    shellProtocolType, "echo"
) {

    override fun execute(
        fakeAdbServer: FakeAdbServer,
        statusWriter: StatusWriter,
        serviceOutput: ServiceOutput,
        device: DeviceState,
        shellCommand: String,
        shellCommandArgs: String?
    ) {
        statusWriter.writeOk()
        shellCommandArgs?.also { serviceOutput.writeStdout(shellCommandArgs) }
        serviceOutput.writeStdout("\n")
    }
}