ShowEnv.java

/**
 * MVEL 2.0
 * Copyright (C) 2007 The Codehaus
 * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
 *
 * 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 org.mvel2.sh.command.basic;

import org.mvel2.sh.Command;
import org.mvel2.sh.ShellSession;

import java.util.Map;

public class ShowEnv implements Command {

  public Object execute(ShellSession session, String[] args) {

    Map<String, String> env = session.getEnv();

    System.out.println("Printing Environment ...");
    for (String key : env.keySet()) {
      System.out.println(key + " => " + env.get(key));
    }

    System.out.println(" ** " + env.size() + " environment variables total.");

    return null;
  }

  public String getDescription() {
    return "shows current environment";
  }

  public String getHelp() {
    return "no help yet";
  }
}