refactor: 修改脚本内组件的传递方式.

将传递脚本组件的方式由 Delegate 类属性改为 Binding, 以增加灵活性和可维护性.

src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyDslDelegate.java

@@ -16,17 +16,11 @@ import org.codehaus.groovy.runtime.DefaultGroovyMethods;
 public class GroovyDslDelegate implements Script {
 
     private final GroovyScriptInfo scriptInfo = new GroovyScriptInfo();
-    private final ScriptHttpClient HTTP;
-    private final ComputeInstanceManager InstanceManager;
 
     /**
      * 构建一个 DSL Delegate, 并传入可操作对象.
-     * @param httpClient Http 客户端.
-     * @param instanceManager 实例管理器.
      */
-    public GroovyDslDelegate(ScriptHttpClient httpClient, ComputeInstanceManager instanceManager) {
-        HTTP = httpClient;
-        InstanceManager = instanceManager;
+    public GroovyDslDelegate() {
     }
 
     /**

src/main/java/net/lamgc/oracle/sentry/script/groovy/GroovyScriptLoader.java

@@ -1,6 +1,7 @@
 package net.lamgc.oracle.sentry.script.groovy;
 
 import com.google.common.base.Throwables;
+import groovy.lang.Binding;
 import groovy.lang.GroovyClassLoader;
 import groovy.util.DelegatingScript;
 import net.lamgc.oracle.sentry.script.Script;
@@ -14,6 +15,7 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
@@ -56,8 +58,9 @@ public class GroovyScriptLoader implements ScriptLoader {
             Constructor<? extends DelegatingScript> constructor =
                     scriptClass.asSubclass(DelegatingScript.class).getConstructor();
             DelegatingScript newScriptObject = constructor.newInstance();
-            GroovyDslDelegate dslDelegate = new GroovyDslDelegate(context.HTTP(), context.InstanceManager());
+            GroovyDslDelegate dslDelegate = new GroovyDslDelegate();
             newScriptObject.setDelegate(dslDelegate);
+            newScriptObject.setBinding(createBinding(context));
             newScriptObject.run();
             scriptInfoMap.put(dslDelegate, dslDelegate.getScriptInfo());
             return dslDelegate;
@@ -71,4 +74,19 @@ public class GroovyScriptLoader implements ScriptLoader {
     public ScriptInfo getScriptInfo(Script script) {
         return scriptInfoMap.get(script);
     }
+
+    private static Binding createBinding(ScriptComponents components) {
+        Binding binding = new Binding();
+        for (Field field : components.getClass().getDeclaredFields()) {
+            try {
+                String name = field.getName();
+                field.setAccessible(true);
+                Object o = field.get(components);
+                binding.setProperty(name, o);
+            } catch (IllegalAccessException e) {
+                e.printStackTrace();
+            }
+        }
+        return binding;
+    }
 }