fix: support windows binary for maven

Signed-off-by: Ruben Romero Montes <rromerom@redhat.com>

Author: ruromero

src/main/java/com/redhat/exhort/providers/JavaMavenProvider.java

@@ -15,18 +15,6 @@
  */
 package com.redhat.exhort.providers;
 
-import static com.redhat.exhort.impl.ExhortApi.debugLoggingIsNeeded;
-
-import com.github.packageurl.MalformedPackageURLException;
-import com.github.packageurl.PackageURL;
-import com.redhat.exhort.Api;
-import com.redhat.exhort.Provider;
-import com.redhat.exhort.logging.LoggersFactory;
-import com.redhat.exhort.sbom.Sbom;
-import com.redhat.exhort.sbom.SbomFactory;
-import com.redhat.exhort.tools.Ecosystem.Type;
-import com.redhat.exhort.tools.Operations;
-import com.redhat.exhort.utils.Environment;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -39,11 +27,24 @@
 import java.util.TreeMap;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
+
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamConstants;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 
+import com.github.packageurl.MalformedPackageURLException;
+import com.github.packageurl.PackageURL;
+import com.redhat.exhort.Api;
+import com.redhat.exhort.Provider;
+import static com.redhat.exhort.impl.ExhortApi.debugLoggingIsNeeded;
+import com.redhat.exhort.logging.LoggersFactory;
+import com.redhat.exhort.sbom.Sbom;
+import com.redhat.exhort.sbom.SbomFactory;
+import com.redhat.exhort.tools.Ecosystem.Type;
+import com.redhat.exhort.tools.Operations;
+import com.redhat.exhort.utils.Environment;
+
 /**
  * Concrete implementation of the {@link Provider} used for converting dependency trees for Java
  * Maven projects (pom.xml) into a content Dot Graphs for Stack analysis or Json for Component
@@ -54,7 +55,7 @@ public final class JavaMavenProvider extends BaseJavaProvider {
   private static final String PROP_JAVA_HOME = "JAVA_HOME";
   private static final Logger log = LoggersFactory.getLogger(JavaMavenProvider.class.getName());
   private final String mvnExecutable;
-  private static final String MVN = "mvn";
+  private static final String MVN = isWindows() ? "mvn" : "mvn.cmd";
   private static final String ARG_VERSION = "-v";
 
   public JavaMavenProvider(Path manifest) {