[Add] Core 添加一个内部使用(也可能会用到模版上)的 BotCode 实现;

[Add] BasicBotCode 添加内部实现的 BotCode;

ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2020  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.lamgc.cgj.bot.framework.base;
+
+import net.lamgc.cgj.bot.framework.Platform;
+import net.lamgc.cgj.bot.framework.message.AbstractBotCode;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+
+/**
+ * ContentGrabbingJi 内部 BotCode 实现.
+ * <p> 参数形式与 Url 查询参数格式一致.
+ * @author LamGC
+ */
+public class BasicBotCode extends AbstractBotCode {
+
+    private final static Platform PLATFORM = new Platform("ContentGrabbingJi", "CGJ");
+
+    @Override
+    public Platform getPlatform() {
+        return PLATFORM;
+    }
+
+    @Override
+    public String contentToString() {
+        StringBuilder builder = new StringBuilder('[' + getFunctionName());
+        if (getPropertiesKeys().size() == 0) {
+            return builder.append(']').toString();
+        } else {
+            builder.append(':');
+            for (String key : getPropertiesKeys()) {
+                try {
+                    builder.append(key).append('=')
+                            .append(URLEncoder.encode(getProperty(key), "UTF-8")).append('&');
+                } catch (UnsupportedEncodingException e) {
+                    throw new IllegalStateException(e);
+                }
+            }
+            return builder.deleteCharAt(builder.lastIndexOf("&")).toString();
+        }
+    }
+
+}