Support installing into Java's root store (#38)

main.go

@@ -105,6 +105,10 @@ func (m *mkcert) Run(args []string) {
 			warning = true
 			log.Printf("Warning: the local CA is not installed in the %s trust store! ⚠️", NSSBrowsers)
 		}
+		if hasJava && !m.checkJava() {
+			warning = true
+			log.Println("Warning: the local CA is not installed in the Java trust store! ⚠️")
+		}
 		if warning {
 			log.Println("Run \"mkcert -install\" to avoid verification errors ‼️")
 		}
@@ -179,6 +183,15 @@ func (m *mkcert) install() {
 		}
 		printed = true
 	}
+	if hasJava && !m.checkJava() {
+		if hasKeytool {
+			m.installJava()
+			log.Println("The local CA is now installed in Java's trust store! ☕️")
+		} else {
+			log.Println(`Warning: "keytool" is not available, so the CA can't be automatically installed in Java's trust store! ⚠️`)
+		}
+		printed = true
+	}
 	if printed {
 		log.Print("")
 	}
@@ -195,6 +208,15 @@ func (m *mkcert) uninstall() {
 			log.Print("")
 		}
 	}
+	if hasJava {
+		if hasKeytool {
+			m.uninstallJava()
+		} else {
+			log.Print("")
+			log.Println(`Warning: "keytool" is not available, so the CA can't be automatically uninstalled from Java's trust store (if it was ever installed)! ⚠️`)
+			log.Print("")
+		}
+	}
 	if m.uninstallPlatform() {
 		log.Print("The local CA is now uninstalled from the system trust store(s)! 👋")
 		log.Print("")