!122 初步编写项目缓存逻辑

Merge pull request !122 from 格物方能致知/develop

src/main/java/org/jcnc/jnotepad/app/config/AppConfig.java

@@ -30,9 +30,9 @@ public class AppConfig {
      * @return 默认应用配置对象
      */
     public static AppConfig generateDefaultAppConfig() {
-        AppConfig myData = new AppConfig();
-        myData.setLanguage(CHINESE);
-        myData.setTextWrap(false);
+        AppConfig config = new AppConfig();
+        config.setLanguage(CHINESE);
+        config.setTextWrap(false);
 
         List<ShortcutKey> shortcutKeys = new ArrayList<>();
         shortcutKeys.add(createShortcutKey("newItem", CTRL_N));
@@ -43,8 +43,8 @@ public class AppConfig {
         shortcutKeys.add(createShortcutKey("openConfigItem", ALT_S));
         shortcutKeys.add(createShortcutKey("pluginManager", ""));
         shortcutKeys.add(createShortcutKey("countItem", ""));
-        myData.setShortcutKey(shortcutKeys);
-        return myData;
+        config.setShortcutKey(shortcutKeys);
+        return config;
     }
 
     /**

src/main/java/org/jcnc/jnotepad/app/manager/ApplicationManager.java

@@ -49,13 +49,13 @@ public class ApplicationManager {
     }
 
     /**
-     * 初始化程序
+     * 初始化程序(Initializes the application)
      *
      * @apiNote
      * @since 2023/9/20 17:26
      */
     public void initializeApp() {
-        // 设置应用程序主题
+        // 设置应用程序主题 SetTheApplicationTheme
         Application.setUserAgentStylesheet(new PrimerLight().getUserAgentStylesheet());
         // 初始化scene
         initScene();

src/main/java/org/jcnc/jnotepad/common/manager/AbstractCacheManager.java

@@ -0,0 +1,86 @@
+package org.jcnc.jnotepad.common.manager;
+
+import org.jcnc.jnotepad.model.entity.Cache;
+
+import java.util.Map;
+
+/**
+ * 抽象缓存管理类
+ *
+ * @author gewuyou
+ */
+public abstract class AbstractCacheManager {
+    /**
+     * 缓存集合
+     */
+    protected Map<String, Cache<?>> caches;
+
+    /**
+     * 获取全局命名空间
+     *
+     * @return 全局命名空间
+     */
+    public abstract String getGlobalNamespace();
+
+    /**
+     * 获取缓存集合
+     *
+     * @return 缓存集合
+     */
+
+    public abstract Map<String, Cache<?>> getCaches();
+
+    /**
+     * 设置缓存集合
+     *
+     * @param caches 缓存集合
+     */
+    public abstract void setCaches(Map<String, Cache<?>> caches);
+
+    /**
+     * 添加缓存
+     *
+     * @param cache 缓存
+     */
+    public void addCache(Cache<?> cache) {
+        String cacheKey = cache.getCacheKey();
+        // 如果集合中已存在该缓存，则更新读写时间
+        if (caches.containsKey(cacheKey)) {
+            cache.setLastReadOrWriteTime(System.currentTimeMillis());
+        }
+        caches.put(cacheKey, cache);
+    }
+
+    /**
+     * 获取缓存类
+     *
+     * @param cacheKey 缓存key
+     * @return 缓存类
+     */
+    public Cache<?> getCache(String cacheKey) {
+        if (caches.isEmpty()) {
+            return null;
+        }
+        if (caches.containsKey(cacheKey)) {
+            Cache<?> cache = caches.get(cacheKey);
+            cache.setLastReadOrWriteTime(System.currentTimeMillis());
+            return cache;
+        }
+        return null;
+    }
+
+    /**
+     * 获取缓存数据
+     *
+     * @param cacheKey 缓存key
+     * @return 缓存类
+     */
+    public Object getCacheData(String cacheKey) {
+        Cache<?> cache = getCache(cacheKey);
+        if (cache == null) {
+            return null;
+        }
+        return cache.getCacheData();
+    }
+
+}

src/main/java/org/jcnc/jnotepad/common/manager/ApplicationCacheManager.java

@@ -0,0 +1,38 @@
+package org.jcnc.jnotepad.common.manager;
+
+import org.jcnc.jnotepad.model.entity.Cache;
+
+import java.util.Map;
+
+/**
+ * 应用程序缓存管理类
+ *
+ * @author gewuyou
+ */
+public class ApplicationCacheManager extends AbstractCacheManager {
+
+    private static final ApplicationCacheManager INSTANCE = new ApplicationCacheManager();
+
+    private ApplicationCacheManager() {
+
+    }
+
+    public static ApplicationCacheManager getInstance() {
+        return INSTANCE;
+    }
+
+    @Override
+    public Map<String, Cache<?>> getCaches() {
+        return caches;
+    }
+
+    @Override
+    public void setCaches(Map<String, Cache<?>> caches) {
+        this.caches = caches;
+    }
+
+    @Override
+    public String getGlobalNamespace() {
+        return "jcnc";
+    }
+}

src/main/java/org/jcnc/jnotepad/controller/cache/CacheController.java

@@ -0,0 +1,74 @@
+package org.jcnc.jnotepad.controller.cache;
+
+import org.jcnc.jnotepad.exception.AppException;
+import org.jcnc.jnotepad.model.entity.Cache;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.Map;
+
+import static org.jcnc.jnotepad.common.constants.AppConstants.DEFAULT_PROPERTY;
+
+/**
+ * 缓存控制器
+ *
+ * @author gewuyou
+ */
+public class CacheController {
+
+    private static final CacheController INSTANCE = new CacheController();
+
+    private String cacheDir;
+
+    private CacheController() {
+        cacheDir = Paths.get(System.getProperty(DEFAULT_PROPERTY), ".jnotepad", "caches").toString();
+        loadCaches();
+    }
+
+    public static CacheController getInstance() {
+        return INSTANCE;
+    }
+
+    private void loadCaches() {
+
+    }
+
+    private void writeCaches(Map<String, Cache<?>> caches) {
+        File cacheFileDir = new File(cacheDir);
+        if (!cacheFileDir.exists()) {
+            cacheFileDir.mkdirs();
+        }
+        // 生成缓存
+        caches.forEach((key, value) -> {
+            // 判断当前命名空间对应目录是否创建
+            File namespaceDir = new File(cacheFileDir, value.getNamespace());
+            if (!namespaceDir.exists()) {
+                namespaceDir.mkdirs();
+            }
+            // 判断当前组文件是否创建
+            File groupFile = new File(namespaceDir, value.getGroup());
+            if (!groupFile.exists()) {
+                try {
+                    boolean flag = groupFile.createNewFile();
+                    if (!flag) {
+                        throw new AppException("创建文件失败");
+                    }
+                } catch (IOException e) {
+                    throw new AppException(e);
+                }
+            }
+
+        });
+
+        //
+    }
+
+    /**
+     * 如果缓存
+     */
+    private void createCachesIfNotExists() {
+
+    }
+
+}

src/main/java/org/jcnc/jnotepad/model/entity/Cache.java

@@ -0,0 +1,109 @@
+package org.jcnc.jnotepad.model.entity;
+
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+/**
+ * 缓存类
+ *
+ * @author gewuyou
+ */
+public class Cache<T> {
+    /**
+     * 命名空间
+     */
+    @JsonIgnore
+    private String namespace;
+    /**
+     * 组
+     */
+    @JsonIgnore
+    private String group;
+    /**
+     * 缓存名称
+     */
+    private String name;
+
+    /**
+     * 缓存数据
+     */
+    private T cacheData;
+    /**
+     * 过期时间<br/>如果过期时间为负数则永不过期
+     */
+    private Long expirationTime;
+    /**
+     * 上次读或写时间
+     */
+    private Long lastReadOrWriteTime;
+
+    public Cache() {
+
+    }
+
+    public Cache(String namespace, String group, String name, T cacheData, Long expirationTime) {
+        this.namespace = namespace;
+        this.group = group;
+        this.name = name;
+        this.cacheData = cacheData;
+        this.expirationTime = expirationTime;
+        this.lastReadOrWriteTime = System.currentTimeMillis();
+    }
+
+    /**
+     * 根据缓存key
+     *
+     * @return key
+     */
+    public String getCacheKey() {
+        return this.getNamespace() + "." + this.getGroup() + "." + this.getName();
+    }
+
+    public String getNamespace() {
+        return namespace;
+    }
+
+    public void setNamespace(String namespace) {
+        this.namespace = namespace;
+    }
+
+    public String getGroup() {
+        return group;
+    }
+
+    public void setGroup(String group) {
+        this.group = group;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public T getCacheData() {
+        return cacheData;
+    }
+
+    public void setCacheData(T cacheData) {
+        this.cacheData = cacheData;
+    }
+
+    public Long getExpirationTime() {
+        return expirationTime;
+    }
+
+    public void setExpirationTime(Long expirationTime) {
+        this.expirationTime = expirationTime;
+    }
+
+    public Long getLastReadOrWriteTime() {
+        return lastReadOrWriteTime;
+    }
+
+    public void setLastReadOrWriteTime(Long lastReadOrWriteTime) {
+        this.lastReadOrWriteTime = lastReadOrWriteTime;
+    }
+}

src/main/java/org/jcnc/jnotepad/ui/pluginstage/PluginManagementPane.java

@@ -218,7 +218,10 @@ public class PluginManagementPane extends BorderPane {
         // 创建一个按钮
         var toggleSwitch = new ToggleSwitch();
         // 创建一个图标
-        ImageView icon = new ImageView(new Image(pluginDescriptor.getIcon() == null ? "plug.png" : pluginDescriptor.getIcon()));
+        ImageView icon = new ImageView(
+                new Image(
+                        pluginDescriptor.getIcon() == null ||
+                                pluginDescriptor.getIcon().isEmpty() ? "plug.png" : pluginDescriptor.getIcon()));
         // 指定要缩放的固定像素大小
         double iconSize = ICON_SIZE;