add: javascript support

app/src/main/java/com/stardust/scriptdroid/droid/Droid.java

@@ -1,12 +1,12 @@
 package com.stardust.scriptdroid.droid;
 
-import android.content.Context;
-
-import com.stardust.scriptdroid.action.ActionPerformService;
+import com.stardust.scriptdroid.droid.runtime.DroidRuntime;
+import com.stardust.scriptdroid.droid.script.GBJDuktapeJavaScriptEngine;
+import com.stardust.scriptdroid.droid.script.JavaScriptEngine;
+import com.stardust.scriptdroid.file.FileUtils;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
+import java.io.FileNotFoundException;
 
 /**
  * Created by Stardust on 2017/1/23.
@@ -14,16 +14,48 @@ import java.io.IOException;
 
 public class Droid {
 
-    public static void run(Context context, File file) {
-        Interpreter interpreter = new Interpreter(context);
-        try (FileInputStream fis = new FileInputStream(file)) {
-            byte[] bytes = new byte[fis.available()];
-            fis.read(bytes);
-            fis.close();
-            String str = new String(bytes);
-            ActionPerformService.setActions(interpreter.interpreterAll(str));
-        } catch (IOException e) {
-            e.printStackTrace();
+    private static final DroidRuntime RUNTIME = DroidRuntime.getRuntime();
+    private static final JavaScriptEngine JAVA_SCRIPT_ENGINE = new GBJDuktapeJavaScriptEngine(RUNTIME);
+    private static Droid instance = new Droid();
+
+    protected Droid() {
+
+    }
+
+    public static Droid getInstance() {
+        return instance;
+    }
+
+    public void runScriptFile(File file) {
+        checkFile(file);
+        runScript(FileUtils.readString(file));
+    }
+
+    public void runScriptFile(String path) {
+        runScriptFile(new File(path));
+    }
+
+    public void runScript(String script) {
+        new Thread(() -> {
+            try {
+                JAVA_SCRIPT_ENGINE.execute(script);
+            } catch (Exception e) {
+                RUNTIME.toast("错误" + e.getMessage());
+            }
+        }).start();
+    }
+
+    private void checkFile(File file) {
+        if (file == null) {
+            throw new NullPointerException("file = null");
+        }
+        if (!file.exists()) {
+            throw new RuntimeException(new FileNotFoundException(file.getAbsolutePath()));
+        }
+        if (!file.canRead()) {
+            throw new RuntimeException("file is not readable: path=" + file.getAbsolutePath());
         }
     }
+
+
 }