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6914 dpurdie 1 
package com.erggroup.buildtool.utilities;
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/**
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 * This class is used to create commands by building up a command line piece by piece.
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 * The full command can them be extracted either as a string or as an array of strings
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 */
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import java.util.ArrayList;
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public class CommandBuilder {
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    /**
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     * An array of command being accumulated
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     */
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    ArrayList<String> cmd = new ArrayList<String>();
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    /** Re-init the command list
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     *  Discards the current Array List and start again
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     *
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     *  @param argList           - Variable number of string arguments
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     */
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    public CommandBuilder init(String... argList)
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    {
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        cmd.clear();
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        add(argList);
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        return this;
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    }
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    /** Add one or more strings to the command
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     *
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     * @param argList           - Variable number of string arguments
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     */
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    public CommandBuilder add( String... argList )
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    {
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        for(String c: argList)
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        {
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            cmd.add(c);
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        }
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        return this;
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    }
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    /** Conditionally add one or more strings to the command
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     *
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     * @param enable            - If true then add the commands
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     * @param argList           - Variable number of string arguments
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     */
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    public CommandBuilder add( Boolean enable, String... argList )
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    {
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        if (enable)
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        {
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            add(argList);
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        }
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        return this;
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    }
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    /** Convert the command fragments into a string
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     *  The argument are space-separated
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     */
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    public String toString()
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    {
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        String commandString = "";
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        for(String c: cmd)
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        {
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            commandString += c + " ";
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        }
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        return commandString;
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    }
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    /** Convert the command fragments into a string array
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     */
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    public String[] getArray()
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    {
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        String[] rv = cmd.toArray(new String[0]);
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        return rv;
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    }
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}