2: Create basic options and method dispatcher

src/main/java/com/bartek/esa/EsaMain.java

@@ -1,5 +1,8 @@
 package com.bartek.esa;
 
+import com.bartek.esa.cli.model.CliArgsOptions;
+import com.bartek.esa.dispatcher.dispatcher.MethodDispatcher;
+import com.bartek.esa.dispatcher.model.DispatcherActions;
 import com.bartek.esa.cli.parser.CliArgsParser;
 import com.bartek.esa.di.DaggerDependencyInjector;
 
@@ -7,14 +10,23 @@ import javax.inject.Inject;
 
 public class EsaMain {
     private final CliArgsParser cliArgsParser;
+    private final MethodDispatcher methodDispatcher;
 
     @Inject
-    EsaMain(CliArgsParser cliArgsParser) {
+    EsaMain(CliArgsParser cliArgsParser, MethodDispatcher methodDispatcher) {
         this.cliArgsParser = cliArgsParser;
+        this.methodDispatcher = methodDispatcher;
     }
 
     private void run(String[] args) {
-        // cliArgsParser.parse(...)
+        DispatcherActions dispatcherActions = DispatcherActions.builder()
+                .sourceAnalysis(source -> {})
+                .apkAudit(source -> {})
+                .build();
+
+        CliArgsOptions options = cliArgsParser.parse(args);
+
+        methodDispatcher.dispatchMethod(options, dispatcherActions);
     }
 
     public static void main(String[] args) {

src/main/java/com/bartek/esa/cli/model/CliArgsActions.java

@@ -1,9 +0,0 @@
-package com.bartek.esa.cli.model;
-
-import lombok.Builder;
-import lombok.Data;
-
-@Data
-@Builder
-public class CliArgsActions {
-}

src/main/java/com/bartek/esa/cli/model/CliArgsOptions.java

@@ -0,0 +1,19 @@
+package com.bartek.esa.cli.model;
+
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class CliArgsOptions {
+    private String sourceAnalysisDirectory;
+    private String apkAuditFile;
+
+    public boolean isSourceAnalysis() {
+        return sourceAnalysisDirectory != null;
+    }
+
+    public boolean isApkAudit() {
+        return apkAuditFile != null;
+    }
+}

src/main/java/com/bartek/esa/cli/parser/CliArgsParser.java

@@ -1,15 +1,49 @@
 package com.bartek.esa.cli.parser;
 
-import com.bartek.esa.cli.model.CliArgsActions;
+import com.bartek.esa.cli.model.CliArgsOptions;
+import com.bartek.esa.error.EsaException;
+import io.vavr.control.Try;
+import org.apache.commons.cli.*;
 
 import javax.inject.Inject;
 
 public class CliArgsParser {
+    private static final String SRC_OPT = "src";
+    private static final String APK_OPT = "apk";
 
     @Inject
     public CliArgsParser() {}
 
-    public void parse(String[] args, CliArgsActions actions) {
+    public CliArgsOptions parse(String[] args) {
+        CommandLine command = Try.of(() -> new DefaultParser().parse(prepareOptions(), args))
+                .getOrElseThrow(EsaException::new);
 
+        return CliArgsOptions.builder()
+                .sourceAnalysisDirectory(command.hasOption(SRC_OPT) ? command.getOptionValue(SRC_OPT) : null)
+                .apkAuditFile(command.hasOption(APK_OPT) ? command.getOptionValue(APK_OPT) : null)
+                .build();
+    }
+
+    private Options prepareOptions() {
+        Options options = new Options();
+        options.addOption(source());
+        options.addOption(apk());
+        return options;
+    }
+
+    private Option source() {
+        return Option.builder()
+                .longOpt(SRC_OPT)
+                .hasArg()
+                .desc("perform analysis for Java code and XML resources")
+                .build();
+    }
+
+    private Option apk() {
+        return Option.builder()
+                .longOpt(APK_OPT)
+                .hasArg()
+                .desc("perform audit for compiled APK file")
+                .build();
     }
 }

src/main/java/com/bartek/esa/di/DependencyInjector.java

@@ -2,10 +2,12 @@ package com.bartek.esa.di;
 
 import com.bartek.esa.EsaMain;
 import com.bartek.esa.cli.di.CliModule;
+import com.bartek.esa.dispatcher.di.DispatcherModule;
 import dagger.Component;
 
 @Component(modules = {
-        CliModule.class
+        CliModule.class,
+        DispatcherModule.class
 })
 public interface DependencyInjector {
     EsaMain esa();

src/main/java/com/bartek/esa/dispatcher/di/DispatcherModule.java

@@ -0,0 +1,14 @@
+package com.bartek.esa.dispatcher.di;
+
+import com.bartek.esa.dispatcher.dispatcher.MethodDispatcher;
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public class DispatcherModule {
+
+    @Provides
+    MethodDispatcher methodDispatcher() {
+        return new MethodDispatcher();
+    }
+}

src/main/java/com/bartek/esa/dispatcher/dispatcher/MethodDispatcher.java

@@ -0,0 +1,25 @@
+package com.bartek.esa.dispatcher.dispatcher;
+
+import com.bartek.esa.cli.model.CliArgsOptions;
+import com.bartek.esa.dispatcher.model.DispatcherActions;
+
+import javax.inject.Inject;
+
+public class MethodDispatcher {
+
+    @Inject
+    public MethodDispatcher() {
+
+    }
+
+    public void dispatchMethod(CliArgsOptions options, DispatcherActions actions) {
+        if(options.isSourceAnalysis()) {
+            actions.getSourceAnalysis().accept(options.getSourceAnalysisDirectory());
+            return;
+        }
+
+        if(options.isApkAudit()) {
+            actions.getApkAudit().accept(options.getApkAuditFile());
+        }
+    }
+}

src/main/java/com/bartek/esa/dispatcher/model/DispatcherActions.java

@@ -0,0 +1,13 @@
+package com.bartek.esa.dispatcher.model;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.function.Consumer;
+
+@Data
+@Builder
+public class DispatcherActions {
+    private Consumer<String> sourceAnalysis;
+    private Consumer<String> apkAudit;
+}