Java Code Examples for org.luaj.vm2.LuaValue#NIL

public LuaValue startMqtt(U target, Varargs args) {
    try {
        if (args.narg() > 0) {
            LuaTable table = LuaUtil.getTable(args, 2);
            LuaTable configTable = LuaUtil.getTable(args, 3);
            Map<String, String> topsMap = LuaUtil.toMap(table);
            if (topsMap != null && configTable != null) {
                SocketUserInfo info = new SocketUserInfo(configTable.get("username").tojstring(), configTable.get("password").tojstring(), configTable.get("host").tojstring(), configTable.get("port").tojstring(), configTable.get("clientId").tojstring());
                target.setMqttTopics(info, topsMap);
            }
        }
    } catch (Exception e) {
        VenvyLog.e(VenvyMqttMapper.class.getName(), e);
    }
    return LuaValue.NIL;
}
 

@Override
public Varargs invoke(Varargs args) {
    final int fixIndex = VenvyLVLibBinder.fixIndex(args);
    if (args.narg() > fixIndex) {
        if (mPlatform != null && mPlatform.getPlatformLoginInterface() != null) {
            Integer value = LuaUtil.getInt(args, fixIndex + 1);
            String currentUrl = LuaUtil.getString(args, fixIndex + 2);
            String ssid = LuaUtil.getString(args, fixIndex + 3);
            IPlatformLoginInterface.ScreenChangedInfo screenChanged = new IPlatformLoginInterface.ScreenChangedInfo();
            screenChanged.url = currentUrl;
            screenChanged.ssid = ssid;
            screenChanged.screenType = value != null ? value : 1;
            mPlatform.getPlatformLoginInterface().screenChanged(screenChanged);
        }
    }
    return LuaValue.NIL;
}
 

public static LuaValue callFunction(LuaValue target, LuaValue arg1, LuaValue arg2) {
    try {
        return (target != null && target.isfunction()) ? target.call(arg1, arg2) : LuaValue.NIL;
    } catch (Exception e) {
        e.printStackTrace();
        return LuaValue.NIL;
    }
}
 

public LuaValue mqttCallback(U view, Varargs varargs) {
    if (varargs.narg() > 1) {
        final LuaValue callbacks = varargs.optvalue(2, NIL);
        if (callbacks.isfunction()) {
            return view.setMqttCallback(callbacks);
        }
        return LuaValue.NIL;
    } else {
        return view.getMqttCallback();
    }
}
 

@Override
public Varargs invoke(Varargs args) {
    if (mPlatform != null && mPlatform.getPlatformLoginInterface() != null) {
        PlatformUserInfo platformUserInfo = mPlatform.getPlatformLoginInterface().getLoginUser();
        if (platformUserInfo != null) {
            return JsonUtil.toLuaTable(platformUserInfo.toString());
        }
    }
    return LuaValue.NIL;
}
 

@LuaViewApi(since = VmVersion.V_530)
public LuaValue loadUrl(U view, Varargs varargs) {
    String url = LuaUtil.getString(varargs, 2);
    if (TextUtils.isEmpty(url)) {
        return LuaValue.NIL;
    }
    return view.loadUrl(url);
}
 

/**
 * get native view
 *
 * @return
 */
public LuaValue getNativeView() {
    View view = getView();
    if (view instanceof ILVNativeViewProvider) {
        view = ((ILVNativeViewProvider) view).getNativeView();
    }
    return view != null ? CoerceJavaToLua.coerce(view) : LuaValue.NIL;
}
 

public LuaValue stopAcrRecognize(U target, Varargs args) {
    try {
        target.stopRecognize();
    } catch (Exception e) {
        VenvyLog.e(VenvyAcrCloudMapper.class.getName(), e);
    }
    return LuaValue.NIL;
}
 

public LuaValue stopMqtt(U target, Varargs args) {
    try {
        target.removeTopics();
    } catch (Exception e) {
        VenvyLog.e(VenvyMqttMapper.class.getName(), e);
    }
    return LuaValue.NIL;
}
 

private LuaValue toLuaString(StringRedisToken value) {
  SafeString string = value.getValue();
  if (string == null) {
    return LuaValue.NIL;
  }
  return LuaString.valueOf(string.getBytes());
}
 

public LuaValue maxLength(U view, Varargs varargs) {
    if (varargs.narg() >= 2) {
        return view.setMaxLength(LuaUtil.getInt(varargs, 2));
    } else {
        return LuaValue.NIL;
    }
}
 

@Override
public LuaValue invoke(Varargs args) {
    int fixIndex = VenvyLVLibBinder.fixIndex(args);

    LuaValue target = args.arg(fixIndex + 1);
    String zipString = luaValueToString(target);
    try {
        zipString = VenvyGzipUtil.compress(zipString);
        return LuaValue.valueOf(zipString == null ? "" : zipString);
    } catch (IOException e) {
        return LuaValue.NIL;
    }
}
 

/**
 * 调用lua的某个全局函数
 *
 * @param funName
 * @param objs
 * @return
 */
public Object callLuaFunction(String funName, Object... objs) {
    if (mGlobals != null && funName != null) {
        LuaValue callback = mGlobals.get(funName);
        return LuaUtil.callFunction(callback, objs);
    }
    return LuaValue.NIL;
}
 

/**
 * 调用window.callback下的某个函数
 *
 * @param funName
 * @param objs
 * @return
 */
public Varargs callWindowFunction(String funName, Object... objs) {
    if (funName != null) {
        UDView userdata = getUserdata();
        if (userdata != null) {
            LuaValue callbacks = userdata.getCallback();
            if (LuaUtil.isValid(callbacks)) {
                return LuaUtil.callFunction(callbacks.get(funName), objs);
            }
        }
    }
    return LuaValue.NIL;
}
 

public static LuaValue callFunction(LuaValue target, LuaValue arg1) {
    try {
        return (target != null && target.isfunction()) ? target.call(arg1) : LuaValue.NIL;
    } catch (Exception e) {
        e.printStackTrace();
        return LuaValue.NIL;
    }
}
 

@Override
public LuaValue invoke(Varargs args) {
    int fixIndex = VenvyLVLibBinder.fixIndex(args);
    Integer type = LuaUtil.getInt(args, fixIndex + 1);//事件类型
    LuaValue adId = args.arg(fixIndex + 2);//广告ID
    LuaValue adName = args.arg(fixIndex + 3);//广告类型名
    LuaValue actionType = args.arg(fixIndex + 4);//处理类型
    WidgetInfo.WidgetActionType mWidgetActionType = WidgetInfo.WidgetActionType.findTypeById(actionType != null ? actionType.optint(0) : 0);
    LuaValue url = args.arg(fixIndex + 5);//外链Url
    if (type == null) {
        return LuaValue.NIL;
    }
    if (mPlatform == null) {
        return LuaValue.NIL;
    }
    String mAdId = adId != null ? adId.optjstring(null) : null;
    String mAdName = adName != null ? adName.optjstring(null) : null;
    String mUrl = url != null ? url.optjstring(null) : null;
    WidgetInfo widgetInfo = new WidgetInfo.Builder()
            .setAdId(mAdId).setWidgetActionType(mWidgetActionType)
            .setUrl(mUrl).setWidgetName(mAdName)
            .build();
    switch (type) {
        case 1:
            if (mPlatform.getPrepareShowListener() != null && mAdId != null) {
                mPlatform.getPrepareShowListener().prepareShow(widgetInfo);
            }
            break;

        case 2:
            if (mPlatform.getWidgetShowListener() != null && mAdId != null) {
                mPlatform.getWidgetShowListener().onShow(widgetInfo);
            }

            break;

        case 3:
            if (mPlatform.getWidgetClickListener() != null && mAdId != null) {
                mPlatform.getWidgetClickListener().onClick(widgetInfo);
            }
            break;

        case 4:
            if (mPlatform.getWidgetCloseListener() != null && mAdId != null) {
                mPlatform.getWidgetCloseListener().onClose(widgetInfo);
            }
            break;
        case 5:
            if (mPlatform.getWedgeListener() != null && mAdId != null) {
                mPlatform.getWedgeListener().goBack();
            }
            break;
    }

    return LuaValue.NIL;
}
 

public LuaValue getImage(U view, Varargs varargs) {
    String imageUrl = view.getImageUrl();
    return imageUrl != null ? valueOf(imageUrl) : LuaValue.NIL;
}
 

/**
 * Coerse a Java object to a corresponding lua value. 
 * <p>
 * Integral types {@code boolean}, {@code byte},  {@code char}, and {@code int} 
 * will become {@link LuaInteger};
 * {@code long}, {@code float}, and {@code double} will become {@link LuaDouble};
 * {@code String} and {@code byte[]} will become {@link LuaString}; 
 * types inheriting from {@link LuaValue} will be returned without coercion;
 * other types will become {@link LuaUserdata}.
 * @param o Java object needing conversion
 * @return {@link LuaValue} corresponding to the supplied Java value. 
 * @see LuaValue
 * @see LuaInteger
 * @see LuaDouble
 * @see LuaString
 * @see LuaUserdata
 */
public static LuaValue coerce(Object o) {
	if ( o == null )
		return LuaValue.NIL;
	Class clazz = o.getClass();
	Coercion c = (Coercion) COERCIONS.get( clazz );
	if ( c == null ) {
		c = clazz.isArray()? arrayCoercion:
			o instanceof LuaValue ? luaCoercion:
				instanceCoercion;
		COERCIONS.put( clazz, c );
	}
	return c.coerce(o);
}
 

/**
 * Coerse a Java object to a corresponding lua value. 
 * <p>
 * Integral types {@code boolean}, {@code byte},  {@code char}, and {@code int} 
 * will become {@link LuaInteger};
 * {@code long}, {@code float}, and {@code double} will become {@link LuaDouble};
 * {@code String} and {@code byte[]} will become {@link LuaString}; 
 * types inheriting from {@link LuaValue} will be returned without coercion;
 * other types will become {@link LuaUserdata}.
 * @param o Java object needing conversion
 * @return {@link LuaValue} corresponding to the supplied Java value. 
 * @see LuaValue
 * @see LuaInteger
 * @see LuaDouble
 * @see LuaString
 * @see LuaUserdata
 */
public static LuaValue coerce(Object o) {
	if ( o == null )
		return LuaValue.NIL;
	Class clazz = o.getClass();
	Coercion c = (Coercion) COERCIONS.get( clazz );
	if ( c == null ) {
		c = clazz.isArray()? arrayCoercion:
			o instanceof LuaValue ? luaCoercion:
				instanceCoercion;
		COERCIONS.put( clazz, c );
	}
	return c.coerce(o);
}
 

/**
 * @param context     View级别的Context
 * @param luaViewCore
 * @param metaTable
 */
public LuaView(Context context, LuaViewCore luaViewCore, LuaValue metaTable) {
    super(context, luaViewCore.getGlobals(), metaTable, LuaValue.NIL);
    this.mLuaViewCore = luaViewCore;
}