建立以数据模型版本号为标准的数据模型类库。

libappbase/src/main/java/cc/winboll/studio/libappbase/models/libs1520000/BaseBean.java

@@ -0,0 +1,415 @@
+package cc.winboll.studio.libappbase.models.libs1520000;
+
+import android.content.Context;
+import android.util.JsonReader;
+import android.util.JsonWriter;
+import cc.winboll.studio.libappbase.LogUtils;
+import cc.winboll.studio.libappbase.UTF8FileUtils;
+import java.io.File;
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.util.ArrayList;
+
+/**
+ * WinBoLL JSON 数据模型基类（抽象类）
+ * 定义 Json Bean 的核心规范：序列化/反序列化、文件持久化、列表处理等通用逻辑，
+ * 子类需实现抽象方法，完成自身字段JSON读写业务逻辑
+ * @Author 豆包&ZhanGSKen<zhangsken@qq.com>
+ * @CreateTime 2026/05/19 22:33:00
+ * @EditTime 2026/05/19 23:15:48
+ * @param <T> 泛型约束，限定子类必须继承自BaseBean
+ */
+public abstract class BaseBean<T extends BaseBean> {
+
+    // ====================== 静态常量 ======================
+    /** 日志输出标识TAG */
+    public static final String TAG = "BaseBean";
+    /** JSON存储Bean类名字段Key，用于类型校验 */
+    static final String BEAN_NAME = "BeanName";
+
+    // ====================== 构造方法 ======================
+    /**
+     * 无参空构造，满足反射实例化要求
+     */
+    public BaseBean() {
+
+    }
+
+    // ====================== 抽象方法 ======================
+    /**
+     * 获取当前实体类全类名
+     * @return 全限定类名字符串
+     */
+    public abstract String getName();
+
+    /**
+     * 从JSON读取器解析构建实体对象
+     * @param jsonReader JSON读取流
+     * @return 解析完成实体对象
+     * @throws IOException IO读写异常
+     */
+    public abstract T readBeanFromJsonReader(final JsonReader jsonReader) throws IOException;
+
+    // ====================== 路径获取相关 ======================
+    /**
+     * 获取单个实体默认存储JSON文件路径
+     * @param context 应用上下文
+     * @return 文件绝对路径
+     */
+    public String getBeanJsonFilePath(final Context context) {
+        return context.getExternalFilesDir(TAG) + "/" + getName() + ".json";
+    }
+
+    /**
+     * 获取实体列表默认存储JSON文件路径
+     * @param context 应用上下文
+     * @return 文件绝对路径
+     */
+    public String getBeanListJsonFilePath(final Context context) {
+        return context.getExternalFilesDir(TAG) + "/" + getName() + "_List.json";
+    }
+
+    // ====================== JSON序列化基础方法 ======================
+    /**
+     * 写入基础Bean标识字段至JSON
+     * @param jsonWriter JSON写入流
+     * @throws IOException 写入异常
+     */
+    public void writeThisToJsonWriter(final JsonWriter jsonWriter) throws IOException {
+        jsonWriter.name(BEAN_NAME).value(getName());
+    }
+
+    /**
+     * 基类通用字段解析回调
+     * @param jsonReader JSON读取流
+     * @param name 字段名
+     * @return 是否完成当前字段解析
+     * @throws IOException 读取异常
+     */
+    public boolean initObjectsFromJsonReader(final JsonReader jsonReader, final String name) throws IOException {
+        return false;
+    }
+
+    // ====================== 实体字符串序列化 ======================
+    @Override
+    public String toString() {
+        LogUtils.d(TAG, "执行BaseBean实体转JSON字符串");
+        final StringWriter stringWriter = new StringWriter();
+        final JsonWriter jsonWriter = new JsonWriter(stringWriter);
+        jsonWriter.setIndent("  ");
+        try {
+            jsonWriter.beginObject();
+            writeThisToJsonWriter(jsonWriter);
+            jsonWriter.endObject();
+            return stringWriter.toString();
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "实体转JSON字符串异常", Thread.currentThread().getStackTrace());
+        }
+        return "";
+    }
+
+    // ====================== 列表序列化工具 ======================
+    /**
+     * Bean列表转为格式化JSON数组字符串
+     * @param beanList 实体集合
+     * @param <T> 实体泛型
+     * @return JSON字符串
+     */
+    public static <T extends BaseBean> String toStringByBeanList(final ArrayList<T> beanList) {
+        LogUtils.d(TAG, "执行Bean列表序列化JSON操作");
+        try {
+            final StringWriter stringWriter = new StringWriter();
+            final JsonWriter jsonWriter = new JsonWriter(stringWriter);
+            jsonWriter.setIndent("  ");
+            jsonWriter.beginArray();
+            for (int i = 0; i < beanList.size(); i++) {
+                jsonWriter.beginObject();
+                beanList.get(i).writeThisToJsonWriter(jsonWriter);
+                jsonWriter.endObject();
+            }
+            jsonWriter.endArray();
+            jsonWriter.close();
+            return stringWriter.toString();
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "列表序列化JSON异常", Thread.currentThread().getStackTrace());
+        }
+        return "";
+    }
+
+    // ====================== JSON字符串解析实体 ======================
+    /**
+     * JSON文本解析为单个实体对象
+     * @param szBean JSON文本
+     * @param clazz 实体Class字节码
+     * @param <T> 实体泛型
+     * @return 解析完成实体
+     * @throws IOException 解析IO异常
+     */
+    public static <T extends BaseBean> T parseStringToBean(final String szBean, final Class<T> clazz) throws IOException {
+        LogUtils.d(TAG, "进入字符串解析实体方法，目标Class：" + clazz.getSimpleName());
+        final StringReader stringReader = new StringReader(szBean);
+        final JsonReader jsonReader = new JsonReader(stringReader);
+        try {
+            final T beanTemp = clazz.newInstance();
+            return beanTemp.readBeanFromJsonReader(jsonReader);
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "实体反射实例化失败(InstantiationException)", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "实体反射权限访问失败(IllegalAccessException)", Thread.currentThread().getStackTrace());
+        }
+        return null;
+    }
+
+    /**
+     * JSON数组文本解析填充实体列表
+     * @param szBeanList JSON数组文本
+     * @param beanList 目标存储集合
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 解析结果
+     */
+    public static <T extends BaseBean> boolean parseStringToBeanList(final String szBeanList, final ArrayList<T> beanList, final Class<T> clazz) {
+        LogUtils.d(TAG, "进入列表字符串解析方法");
+        try {
+            if (beanList == null) {
+                beanList = new ArrayList<T>();
+            } else {
+                beanList.clear();
+            }
+            final StringReader stringReader = new StringReader(szBeanList);
+            final JsonReader jsonReader = new JsonReader(stringReader);
+            jsonReader.beginArray();
+            while (jsonReader.hasNext()) {
+                final T beanTemp = clazz.newInstance();
+                final T bean = beanTemp.readBeanFromJsonReader(jsonReader);
+                if (bean != null) {
+                    beanList.add(bean);
+                }
+            }
+            jsonReader.endArray();
+            return true;
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "列表解析反射实例化异常", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "列表解析反射权限异常", Thread.currentThread().getStackTrace());
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "列表解析JSON读写异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    // ====================== 文件加载实体 ======================
+    /**
+     * 从默认路径加载单个实体
+     * @param context 上下文
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 加载实体
+     */
+    public static <T extends BaseBean> T loadBean(final Context context, final Class<T> clazz) {
+        LogUtils.d(TAG, "执行默认路径加载实体数据");
+        try {
+            final T beanTemp = clazz.newInstance();
+            return loadBeanFromFile(beanTemp.getBeanJsonFilePath(context), clazz);
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "加载实体反射实例化失败", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "加载实体反射权限失败", Thread.currentThread().getStackTrace());
+        }
+        return null;
+    }
+
+    /**
+     * 自定义文件路径加载单个实体
+     * @param szFilePath 文件路径
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 实体对象
+     */
+    public static <T extends BaseBean> T loadBeanFromFile(final String szFilePath, final Class<T> clazz) {
+        LogUtils.d(TAG, "指定路径加载实体，路径：" + szFilePath);
+        try {
+            final File file = new File(szFilePath);
+            if (file.exists()) {
+                final T beanTemp = clazz.newInstance();
+                final String json = UTF8FileUtils.readStringFromFile(szFilePath);
+                return beanTemp.parseStringToBean(json, clazz);
+            }
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "文件加载实体反射实例化异常", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "文件加载实体反射权限异常", Thread.currentThread().getStackTrace());
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "文件读取JSON数据异常", Thread.currentThread().getStackTrace());
+        }
+        return null;
+    }
+
+    /**
+     * 默认路径加载实体列表
+     * @param context 上下文
+     * @param beanListDst 目标集合
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 加载结果
+     */
+    public static <T extends BaseBean> boolean loadBeanList(final Context context, final ArrayList<T> beanListDst, final Class<T> clazz) {
+        LogUtils.d(TAG, "默认路径加载实体列表数据");
+        try {
+            final T beanTemp = clazz.newInstance();
+            return loadBeanListFromFile(beanTemp.getBeanListJsonFilePath(context), beanListDst, clazz);
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "列表加载反射实例化异常", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "列表加载反射权限异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    /**
+     * 自定义路径加载实体列表
+     * @param szFilePath 文件路径
+     * @param beanList 目标集合
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 加载结果
+     */
+    public static <T extends BaseBean> boolean loadBeanListFromFile(final String szFilePath, final ArrayList<T> beanList, final Class<T> clazz) {
+        LogUtils.d(TAG, "指定路径加载实体列表，路径：" + szFilePath);
+        try {
+            final File file = new File(szFilePath);
+            if (file.exists()) {
+                final String listJson = UTF8FileUtils.readStringFromFile(szFilePath);
+                return parseStringToBeanList(listJson, beanList, clazz);
+            }
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "列表文件读取异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    // ====================== 实体数据保存文件 ======================
+    /**
+     * 默认路径保存单个实体
+     * @param context 上下文
+     * @param bean 待保存实体
+     * @param <T> 实体泛型
+     * @return 保存结果
+     */
+    public static <T extends BaseBean> boolean saveBean(final Context context, final T bean) {
+        return saveBeanToFile(bean.getBeanJsonFilePath(context), bean);
+    }
+
+    /**
+     * 自定义路径保存单个实体
+     * @param szFilePath 保存路径
+     * @param bean 待保存实体
+     * @param <T> 实体泛型
+     * @return 保存结果
+     */
+    public static <T extends BaseBean> boolean saveBeanToFile(final String szFilePath, final T bean) {
+        LogUtils.d(TAG, "执行实体数据写入文件操作");
+        try {
+            final String json = bean.toString();
+            UTF8FileUtils.writeStringToFile(szFilePath, json);
+            return true;
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "实体写入文件异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    /**
+     * 默认路径保存实体列表
+     * @param context 上下文
+     * @param beanList 实体集合
+     * @param clazz 实体字节码
+     * @param <T> 实体泛型
+     * @return 保存结果
+     */
+    public static <T extends BaseBean> boolean saveBeanList(final Context context, final ArrayList<T> beanList, final Class<T> clazz) {
+        LogUtils.d(TAG, "默认路径保存实体列表数据");
+        try {
+            final T beanTemp = clazz.newInstance();
+            return saveBeanListToFile(beanTemp.getBeanListJsonFilePath(context), beanList);
+        } catch (final InstantiationException e) {
+            LogUtils.d(TAG, "列表保存反射实例化异常", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            LogUtils.d(TAG, "列表保存反射权限异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    /**
+     * 自定义路径保存实体列表
+     * @param szFilePath 保存路径
+     * @param beanList 实体集合
+     * @param <T> 实体泛型
+     * @return 保存结果
+     */
+    public static <T extends BaseBean> boolean saveBeanListToFile(final String szFilePath, final ArrayList<T> beanList) {
+        LogUtils.d(TAG, "指定路径保存实体列表数据");
+        try {
+            final String json = toStringByBeanList(beanList);
+            UTF8FileUtils.writeStringToFile(szFilePath, json);
+            return true;
+        } catch (final IOException e) {
+            LogUtils.d(TAG, "列表数据写入文件异常", Thread.currentThread().getStackTrace());
+        }
+        return false;
+    }
+
+    // ====================== Bean类型一致性校验 ======================
+    /**
+     * 校验本地JSON列表内实体类型是否统一
+     * @param szFilePath 列表文件路径
+     * @param clazz 目标校验实体Class
+     * @param <T> 实体泛型
+     * @return 校验结果信息
+     */
+    public static <T extends BaseBean> String checkIsTheSameBeanListAndFile(final String szFilePath, final Class<T> clazz) {
+        final StringBuilder sbResult = new StringBuilder();
+        final String szErrorInfo = "Check Is The Same Bean List And File Error : ";
+        try {
+            int sameCount = 0;
+            int totalCount = 0;
+            final T beanTemp = clazz.newInstance();
+            final String targetBeanName = beanTemp.getName();
+            final String listJson = UTF8FileUtils.readStringFromFile(szFilePath);
+            final StringReader stringReader = new StringReader(listJson);
+            final JsonReader jsonReader = new JsonReader(stringReader);
+            jsonReader.beginArray();
+            while (jsonReader.hasNext()) {
+                totalCount++;
+                jsonReader.beginObject();
+                while (jsonReader.hasNext()) {
+                    final String name = jsonReader.nextName();
+                    if (BEAN_NAME.equals(name)) {
+                        if (targetBeanName.equals(jsonReader.nextString())) {
+                            sameCount++;
+                        }
+                    } else {
+                        jsonReader.skipValue();
+                    }
+                }
+                jsonReader.endObject();
+            }
+            jsonReader.endArray();
+            if (sameCount != totalCount) {
+                sbResult.append("Total : ").append(totalCount).append(" Diff : ").append(totalCount - sameCount);
+            }
+        } catch (final InstantiationException e) {
+            sbResult.append(szErrorInfo).append(e);
+            LogUtils.d(TAG, "类型校验反射实例化异常", Thread.currentThread().getStackTrace());
+        } catch (final IllegalAccessException e) {
+            sbResult.append(szErrorInfo).append(e);
+            LogUtils.d(TAG, "类型校验反射权限异常", Thread.currentThread().getStackTrace());
+        } catch (final IOException e) {
+            sbResult.append(szErrorInfo).append(e);
+            LogUtils.d(TAG, "类型校验文件读取解析异常", Thread.currentThread().getStackTrace());
+        }
+        return sbResult.toString();
+    }
+}
+