org.mvel2.sh.command.basic.ShowVars Maven / Gradle / Ivy
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/**
* 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.CommandException;
import org.mvel2.sh.ShellSession;
import java.util.Map;
public class ShowVars implements Command {
public Object execute(ShellSession session, String[] args) {
boolean values = false;
Map vars = session.getVariables();
for (int i = 0; i < args.length; i++) {
if ("-values".equals(args[i])) values = true;
else throw new CommandException("unknown argument: " + args[i]);
}
System.out.println("Printing Variables ...");
if (values) {
for (String key : vars.keySet()) {
System.out.println(key + " => " + String.valueOf(vars.get(key)));
}
}
else {
for (String key : vars.keySet()) {
System.out.println(key);
}
}
System.out.println(" ** " + vars.size() + " variables total.");
return null;
}
public String getDescription() {
return "shows current variables";
}
public String getHelp() {
return "no help yet";
}
}