- Adding engine check

Author: cx-atish-jadhav

src/main/java/com/checkmarx/ast/wrapper/CxWrapper.java

@@ -31,15 +31,17 @@
 
 import java.io.IOException;
 import java.nio.file.Files;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
+import java.util.*;
+
+import static com.checkmarx.ast.wrapper.Execution.*;
 
 public class CxWrapper {
 
     private static final CollectionType BRANCHES_TYPE = TypeFactory.defaultInstance()
             .constructCollectionType(List.class, String.class);
+    private static final String OS_LINUX = "linux";
+    private static final String OS_WINDOWS = "windows";
+    private static final String OS_MAC = "mac";
 
     @NonNull
     private final CxConfig cxConfig;
@@ -409,6 +411,30 @@ public KicsRealtimeResults kicsRealtimeScan(@NonNull String fileSources, String
         return Execution.executeCommand(withConfigArguments(arguments), logger, KicsRealtimeResults::fromLine);
     }
 
+    public String checkEngineExist(@NonNull String engineName) throws CxException, IOException, InterruptedException {
+             String osName = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
+             String osType=Execution.getOperatingSystemType(osName);
+                return this.checkEngine(engineName,osType);
+    }
+
+    private  String checkEngine(String engineName, String osType ) throws CxException, IOException, InterruptedException {
+        List<String> arguments = new ArrayList<>();
+        switch (osType){
+            case OS_LINUX:
+            case OS_MAC:
+                arguments.add("/bin/sh");
+                arguments.add("-c");
+                arguments.add("which " + engineName);
+                break;
+            case OS_WINDOWS:
+                arguments.add(engineName);
+                arguments.add("--version");
+                break;
+
+        }
+        return Execution.executeCommand((arguments), logger, line->line);
+    }
+
     public <T> T realtimeScan(@NonNull String subCommand, @NonNull String sourcePath, String containerTool, String ignoredFilePath, java.util.function.Function<String, T> resultParser)
             throws IOException, InterruptedException, CxException {
         this.logger.info("Executing 'scan {}' command using the CLI.", subCommand);

src/main/java/com/checkmarx/ast/wrapper/Execution.java

@@ -1,5 +1,6 @@
 package com.checkmarx.ast.wrapper;
 
+import com.checkmarx.ast.kicsRealtimeResults.KicsRealtimeResults;
 import lombok.NonNull;
 import org.slf4j.Logger;
 
@@ -12,10 +13,7 @@
 import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Locale;
-import java.util.Objects;
+import java.util.*;
 import java.util.function.BiFunction;
 import java.util.function.Function;
 
@@ -171,7 +169,7 @@ private static String detectBinaryName(@NonNull Logger logger) {
         return fileName;
     }
 
-    private static String getOperatingSystemType(String osName) {
+    public static String getOperatingSystemType(String osName) {
         if (osName.contains(OS_LINUX)) {
             return OS_LINUX;
         } else if (osName.contains(OS_WINDOWS)) {
@@ -217,4 +215,6 @@ private static String md5(InputStream a) {
         }
         return md5;
     }
+
+
 }