Simplification (A2)
A single command at a time and no arity gives opportunity to simplify the argument parsing code. Change-Id: Iff7bab78ede7448a662092f221c590a9eedae2a5
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77c8c73837
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1 changed files with 8 additions and 17 deletions
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@ -16,7 +16,6 @@
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package com.android.inputmethod.latin.dicttool;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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@ -61,22 +60,18 @@ public class Dicttool {
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return sCommands.containsKey(commandName);
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}
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private Command getCommand(final ArrayList<String> arguments) {
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final String firstArgument = arguments.get(0);
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final String commandName;
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if (isCommand(firstArgument)) {
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commandName = firstArgument;
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arguments.remove(0);
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} else {
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throw new RuntimeException("Unknown command : " + firstArgument);
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private Command getCommand(final String[] arguments) {
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final String commandName = arguments[0];
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if (!isCommand(commandName)) {
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throw new RuntimeException("Unknown command : " + commandName);
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}
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final Command command = getCommandInstance(commandName);
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final String[] argsArray = arguments.toArray(new String[arguments.size()]);
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final String[] argsArray = Arrays.copyOfRange(arguments, 1, arguments.length);
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command.setArgs(argsArray);
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return command;
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}
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private void execute(final ArrayList<String> arguments) {
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private void execute(final String[] arguments) {
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final Command command = getCommand(arguments);
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try {
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command.run();
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@ -87,15 +82,11 @@ public class Dicttool {
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}
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}
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public static void main(final String[] args) {
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if (0 == args.length) {
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public static void main(final String[] arguments) {
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if (0 == arguments.length) {
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help();
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return;
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}
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if (!isCommand(args[0])) throw new RuntimeException("Unknown command : " + args[0]);
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final ArrayList<String> arguments = new ArrayList<String>(args.length);
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arguments.addAll(Arrays.asList(args));
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new Dicttool().execute(arguments);
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}
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}
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