source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/commands/CMDlistSymbols.java

package de.ugoe.cs.eventbench.commands;

import java.security.InvalidParameterException;
import java.util.Arrays;
import java.util.List;

import de.ugoe.cs.eventbench.CommandHelpers;
import de.ugoe.cs.eventbench.data.GlobalDataContainer;
import de.ugoe.cs.eventbench.models.IStochasticProcess;
import de.ugoe.cs.util.console.Command;
import de.ugoe.cs.util.console.Console;

/**
 * <p>
 * Command to list all events (symbols) known to a usage profile (stochastic
 * process).
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class CMDlistSymbols implements Command {

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#run(java.util.List)
         */
        @Override
        public void run(List<Object> parameters) {
                String modelname = "";
                boolean sort = false;
                try {
                        modelname = (String) parameters.get(0);
                        if (parameters.size() == 2) {
                                sort = Boolean.parseBoolean((String) parameters.get(1));
                        }
                } catch (Exception e) {
                        throw new InvalidParameterException();
                }

                IStochasticProcess model = null;
                Object dataObject = GlobalDataContainer.getInstance()
                                .getData(modelname);
                if (dataObject == null) {
                        CommandHelpers.objectNotFoundMessage(modelname);
                        return;
                }
                if (!(dataObject instanceof IStochasticProcess)) {
                        CommandHelpers.objectNotType(modelname, "IStochasticProcess");
                        return;
                }
                model = (IStochasticProcess) dataObject;
                String[] stateStrings = model.getSymbolStrings();
                if (sort) {
                        Arrays.sort(stateStrings);
                }
                for (String stateString : stateStrings) {
                        Console.println(stateString);
                }
        }

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#help()
         */
        @Override
        public void help() {
                Console.println("Usage: listStates <modelName> {<sort>}");
        }

}