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From "Andrew Ferguson" <Andrew.Fergu...@arm.com>
Subject RE: [cli] commons cli version 2.0? (attachment inlined)
Date Fri, 01 Oct 2004 15:08:33 GMT
sorry the attachment seems to have failed - here is the plain text:

package org.apache.commons.cli2.application;

import java.io.*;

import javax.swing.*;

import junit.framework.TestCase;

import org.apache.commons.cli2.*;
import org.apache.commons.cli2.Group;
import org.apache.commons.cli2.builder.ArgumentBuilder;
import org.apache.commons.cli2.builder.CommandBuilder;
import org.apache.commons.cli2.builder.DefaultOptionBuilder;
import org.apache.commons.cli2.builder.GroupBuilder;
import org.apache.commons.cli2.commandline.*;
import org.apache.commons.cli2.option.*;
import org.apache.commons.cli2.option.ArgumentTest;
import org.apache.commons.cli2.util.*;

public class RequiredWithinGroupTest extends TestCase {
       
        public void testRequiredIsHonoured() {
                Group commands = buildCLI();
                Parser parser = new Parser();
                parser.setGroup(commands);
                CommandLine line = null;
                
                String [] arg = {"command1"};
                /* 
                 * We expect "command1" to say that the "--foo" option
is required 
                 * 
                 */
                try {
                        line = parser.parse(arg);
                        fail("/required/ Option within Group was allowed
to be absent");
                } catch (OptionException oe) {
                        /* Expected failure */
                }
        }
                
        static Group buildCLI() {
                GroupBuilder gBuilder = new GroupBuilder();
                CommandBuilder cBuilder = new CommandBuilder();
                DefaultOptionBuilder oBuilder = new
DefaultOptionBuilder();
                
                /* This is the top level of commands */
                Group commands =
                        gBuilder
                        .withMinimum(1)
                        .withMaximum(1)
                        .withName("command name")
                        .withOption(createCommand1())
                        .withOption(
                                        cBuilder	
                                        .withName("command2")
                                        .withName("c2")
                                        .withDescription("command2 does
...")
                                        .create()
                        )
                        .withOption(
                                        cBuilder	
                                        .withName("help")
                                        .withDescription("Display the
list of commands")
                                        .create()
                        )
                        .withOption(
                                        cBuilder
                                        .withName("command3")
                                        .withName("c3")
                                        .withDescription("command3 does
...")
                                        .create()
                        ).create();
                
                return commands;
        }
        
        /*
         * Options common to a particular subset of commands
         */
        static GroupBuilder createCommonGroupBuilder() {
                GroupBuilder gBuilder = new GroupBuilder();
                DefaultOptionBuilder oBuilder = new
DefaultOptionBuilder();
                ArgumentBuilder aBuilder = new ArgumentBuilder();
                
                Option product =
                        oBuilder
                        .withShortName("f")
                        .withLongName("fuu")
                        .withRequired(true)
                        .withDescription("fuu is the option that does
...")
                        .create();
                
                Option variant =
                        oBuilder
                        .withShortName("b")
                        .withLongName("bah")
                        .withRequired(false)
                        .withDescription("bah is the option that does
...")
                        .create();
                
                return
                gBuilder
                .withOption(product)
                .withOption(variant);
        }
        
        static Command createCommand1() {
                CommandBuilder cBuilder = new CommandBuilder();
                DefaultOptionBuilder oBuilder = new
DefaultOptionBuilder();
                GroupBuilder gBuilder = createCommonGroupBuilder(); 
                
                Group c1Args =
                        gBuilder
                        .withOption(
                                        oBuilder
                                        .withLongName("non-recursive")
                                        .withRequired(false)
                                        .withDescription("turn off
recursion")
                                        .create()
                        ).withOption(
                                        oBuilder
                                        .withLongName("help")
                                        .withRequired(false)
                                        .withDescription("show command1
help message")
                                        .create()
                        ).create();
                
                return
                cBuilder
                .withName("command1")
                .withName("c1")
                .withDescription("command1 does ...")
                .withChildren(c1Args)
                .create();
        }
}

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