com.sumologic.shellbase.commands.EchoCommand.scala Maven / Gradle / Ivy

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Sumo Logic's Scala-based interactive shell framework

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.sumologic.shellbase.commands

import com.sumologic.shellbase.ShellCommand
import org.apache.commons.cli.CommandLine

import scala.collection.JavaConverters._

class EchoCommand extends ShellCommand("echo", "Write to the screen") {

  override def maxNumberOfArguments = -1 //unlimited

  def execute(cmdLine: CommandLine): Boolean = {
    if (cmdLine.getArgList.size() > 0) {
      println(cmdLine.getArgList.asScala.mkString(" "))
    }

    true
  }
}