Cosmetic naming update; removing useless comments.

src/main/java/nsusbloader/cli/TinfoilNetCli.java

@@ -0,0 +1,145 @@
+/*
+    Copyright 2019-2020 Dmitry Isaenko
+
+    This file is part of NS-USBloader.
+
+    NS-USBloader is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    NS-USBloader is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with NS-USBloader.  If not, see <https://www.gnu.org/licenses/>.
+*/
+package nsusbloader.cli;
+
+import nsusbloader.COM.NET.NETCommunications;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TinfoilNetCli {
+
+    private final String[] arguments;
+
+    private String nsIp;
+
+    private String hostIp = "";
+    private String hostPortNum = "";
+    //private String hostExtras = ""; // TODO: Add 'don't serve requests' option or remove this
+
+    private int parseFileSince = 1;
+
+    private List<File> filesList;
+
+    TinfoilNetCli(String[] arguments) throws InterruptedException, IncorrectSetupException{
+        this.arguments = arguments;
+        checkArguments();
+        parseNsIP();
+        parseHostSettings();
+        parseFilesArguments();
+        runTinfoilNetBackend();
+    }
+
+    private void checkArguments() throws IncorrectSetupException{
+        if (arguments == null || arguments.length == 0) {
+            throw new IncorrectSetupException("No arguments.\n" +
+                    "Try 'ns-usbloader -n help' for more information.");
+        }
+
+        if (arguments.length == 1){
+            if (isHelpDirective(arguments[0])){
+                showHelp();
+                return;
+            }
+            else
+                throw new IncorrectSetupException("Not enough arguments.\n" +
+                        "Try 'ns-usbloader -n help' for more information.");
+        }
+
+        if (arguments.length == 2 && arguments[1].startsWith("hostip=")) {
+            throw new IncorrectSetupException("Not enough arguments.\n" +
+                    "Try 'ns-usbloader -n help' for more information.");
+        }
+    }
+
+    private boolean isHelpDirective(String argument){
+        return argument.equals("help");
+    }
+    private void showHelp() throws IncorrectSetupException{
+        throw new IncorrectSetupException("Usage:\n"
+                + "\tns-usbloader -n nsip=<arg1> [hostip=<arg2>] FILE1 ...\n"
+                + "\tns-usbloader --tfn nsip=<arg1> [hostip=<arg2>] FILE1 ..."
+                + "\n\nOptions:"
+                + "\n\tnsip=<ip>\t\tDefine NS IP address (mandatory)"
+                + "\n\thostip=<ip[:port]>\tDefine this host IP address. Will be obtained automatically if not set.");
+    }
+
+    private void parseNsIP() throws IncorrectSetupException{
+        String argument1 = arguments[0];
+
+        if (! argument1.startsWith("nsip=")) {
+            throw new IncorrectSetupException("First argument must be 'nsip=<ip_address>'\n" +
+                    "Try 'ns-usbloader -n help' for more information.");
+        }
+
+        nsIp = argument1.replaceAll("^nsip=", "");
+
+        if (nsIp.isEmpty()) {
+            throw new IncorrectSetupException("No spaces allowed before or after 'nsip=<ip_address>' argument.\n" +
+                    "Try 'ns-usbloader -n help' for more information.");
+        }
+    }
+
+    private void parseHostSettings(){
+        String argument2 = arguments[1];
+
+        if (! argument2.startsWith("hostip="))
+            return;
+
+        parseFileSince = 2;
+        hostIp = argument2.replaceAll("(^hostip=)|(:.+?$)|(:$)", "");
+
+        if (argument2.contains(":"))
+            hostPortNum = argument2.replaceAll("(^.+:)", "");
+        //    hostPortNum = argument2.replaceAll("(^.+:)|(/.+?$)|(/$)", "");
+        //if (argument2.contains("/"))
+        //    hostExtras = argument2.replaceAll("^[^/]*/", "");
+    }
+
+    private void parseFilesArguments() throws IncorrectSetupException{
+        filesList = new ArrayList<>();
+        File file;
+
+        for (; parseFileSince < arguments.length; parseFileSince++) {
+            file = new File(arguments[parseFileSince]);
+            if (file.exists())
+                filesList.add(file);
+        }
+
+        if (filesList.size() == 0) {
+            throw new IncorrectSetupException("File(s) doesn't exist.\n" +
+                    "Try 'ns-usbloader -n help' for more information.");
+        }
+    }
+
+    private void runTinfoilNetBackend() throws InterruptedException{
+        NETCommunications netCommunications = new NETCommunications(
+                filesList,
+                nsIp,
+                false,
+                hostIp,
+                hostPortNum,
+                "");
+        Thread netCommThread = new Thread(netCommunications);
+        netCommThread.setDaemon(true);
+        netCommThread.start();
+        netCommThread.join();
+    }
+}