Github user menaka121 commented on a diff in the pull request:
https://github.com/apache/incubator-taverna-language/pull/1#discussion_r31879122
--- Diff:
taverna-language-commandline/src/main/java/org/apache/taverna/commandline/CommandLineTool.java
---
@@ -0,0 +1,252 @@
+package org.apache.taverna.commandline;
+
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+
+import io.airlift.airline.Arguments;
+import io.airlift.airline.Cli;
+import io.airlift.airline.Cli.CliBuilder;
+import io.airlift.airline.Command;
+import io.airlift.airline.Help;
+import io.airlift.airline.Option;
+
+import java.io.File;
+import java.util.List;
+
+import javax.inject.Inject;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.Lists;
+
+
+/*
+ * The command line options for convert, validate and inspect workflows.
+ * Use the airlift/airline library
+ * Author: Menaka Madushanka <[email protected]>
+ * */
+
+public class CommandLineTool {
+
+ private Cli<TvnLangTool> parser(){
+ CliBuilder<TvnLangTool> build =
Cli.<TvnLangTool>builder("tavlang")
+ .withDescription("Convert, manage workflows")
+ .withDefaultCommand(HelpCommand.class)
+ .withCommand(CommandConvert.class)
+ .withCommand(HelpCommand.class)
+ .withCommand(CommandInspect.class)
+ .withCommand(CommandValidate.class)
+ .withCommand(CommandVersion.class);
+
+ return build.build();
+ }
+
+ public CommandLineTool(){};
+ public void parse(String... args)
+ {
+ System.out.println("$ tavlang " + Joiner.on(" ").join(args));
+ TvnLangTool command = parser().parse(args);
+ command.execute();
+ System.out.println();
+ }
+
+ public static abstract class TvnLangTool{
+
+ public abstract void execute();
+ }
+
+ //placeholder for output file types
+ public static class Filetypes{
+ @Option(name= "-wfdesc", description="Convert the workflow file
to wfdesc-turtle")
+ public static boolean isWfdesc = false;
+
+ @Option(name="-wfbundel", description="Convert the workflow
file to wfbundel")
+ public static boolean isWfbundel = false;
+
+ @Option(name = "-robundel", description = "Convert given
bundel in to Research Object bundel")
+ public static boolean isRo = false;
+
+ @Option(name= "-structure", description = "Convert the workflow
into *.structure")
+ public static boolean isStructure = false;
+
+ @Option(name = "-json", description = "Convert the workflow
into json")
+ public static boolean isJson = false;
+
+ //The tool can only handle one output format at a time.
+ //Return the file type which is selected
+ public static String isTrue(){
+ if(isWfdesc) return "wfdesc";
+ else if(isWfbundel) return "wfbundel";
+ else if(isRo) return "ro";
+ else if(isStructure) return "structure";
+ else if(isJson) return "json";
+ else return null;
+ }
+
+ }
+
+ public static class Inspect{
+ @Option(name = "-servicetypes", description = "List the service
types")
+ public static boolean servicetypes = false;
+
+ @Option(name = "-processornames", description = "List the
processor names")
+ public static boolean processor = false;
+
+ public String getWay(){
+ if(servicetypes) return "servicetypes";
+ else if (processor) return "processornames";
+ else return null;
+ }
+
+ }
+
+
+ //Placeholder for optional parameters: Ex: -i, -o
+ public static class Optional{
+
+
+ @Option(name={"-l", "--log"}, description = "Save a results to
a file")
+ public boolean log = false;
+
+ //The input file or directory
+ @Option(name = {"-i", "--input"}, description="Input file/ file
dir for convertion")
+ public static String in_file_dir;
+
+ //The out put file or directory. When this is set, all the
converted files will be saved into the directory that specified.
+ @Option(name = {"-o", "--output"}, description="Output file/
directory")
+ public static String out_file_dir;
+
+ public static String getInFile(){
+ return in_file_dir;
+ }
+
+ public static String getOutFile(){
+ return out_file_dir;
+ }
+
+ }
+
+ @Command(name = "help", description = "Display help information about
Tvarna")
+ public static class HelpCommand extends TvnLangTool{
+ @Inject
+ public Help help;
+
+ @Override
+ public void execute(){
+ help.call();
+ }
+ }
+
+ //Command for convert workflows
+ @Command(name="convert", description="Convert the given workflow")
+ public static class CommandConvert extends TvnLangTool{
+ @Inject
+ Optional optional = new Optional();
+
+ @Inject
+ Filetypes filetypes = new Filetypes();
+
+ @Arguments(usage = "<output format> <input files> ",
description = "List of files to be converted.\n "
+ + "Give the list of files to be converted
without -i/-o and the converted files will be saved in to /converted folder in
the same dir")
+ public final List<String> files = Lists.newArrayList();
+
+ //When this is true, the command will run recursively in a
directory.
+ @Option(name={"-r", "--recursive"}, description="Execute the
command recursively")
+ public boolean recurse = false;
+
+ //Option for validate the given workflow when converting
+ @Option(name = {"-V", "--validate"}, description="Validate the
workflow before convert")
+ public boolean validate = false;
+
+ @Override
+ public void execute(){
--- End diff --
The execution of the command will go from here....
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