[Change] 调整包路径;

[Add] RedisPoolCacheStore, JsonRedisCacheStore 增加可提供JedisPool对象的构造方法, 以实现Redis连接池共用;

src/main/java/net/lamgc/cgj/bot/cache/ImageCacheHandler.java

@@ -0,0 +1,79 @@
+package net.lamgc.cgj.bot.cache;
+
+import net.lamgc.cgj.Main;
+import net.lamgc.cgj.pixiv.PixivURL;
+import net.lamgc.utils.event.EventHandler;
+import org.apache.commons.io.IOUtils;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+public class ImageCacheHandler implements EventHandler {
+
+    private final static Logger log = LoggerFactory.getLogger("ImageCacheHandler");
+
+    private final static HttpClient httpClient = HttpClientBuilder.create().setProxy(Main.proxy).build();
+
+    private final static Set<ImageCacheObject> cacheQueue = Collections.synchronizedSet(new HashSet<>());
+
+    public void getImageToCache(ImageCacheObject event) {
+        if(cacheQueue.contains(event)) {
+            log.info("图片 {} 已存在相同缓存任务, 跳过.", event.getStoreFile().getName());
+            return;
+        } else {
+            cacheQueue.add(event);
+        }
+
+        try {
+            log.info("图片 {} Event正在进行...({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
+            File storeFile = event.getStoreFile();
+            log.info("正在缓存图片 {} (Path: {})", storeFile.getName(), storeFile.getAbsolutePath());
+            try {
+                if(!storeFile.exists() && !storeFile.createNewFile()) {
+                    log.error("无法创建文件(Path: {})", storeFile.getAbsolutePath());
+                    return;
+                }
+            } catch (IOException e) {
+                log.error("无法创建文件(Path: {})", storeFile.getAbsolutePath());
+                e.printStackTrace();
+            }
+
+            HttpGet request = new HttpGet(event.getDownloadLink());
+            request.addHeader("Referer", PixivURL.getPixivRefererLink(event.getIllustId()));
+            HttpResponse response;
+            try {
+                response = httpClient.execute(request);
+            } catch (IOException e) {
+                log.error("Http请求时发生异常", e);
+                return;
+            }
+            if(response.getStatusLine().getStatusCode() != 200) {
+                log.warn("Http请求异常：{}", response.getStatusLine());
+                return;
+            }
+
+            log.info("正在下载...(Content-Length: {}KB)", response.getEntity().getContentLength() / 1024);
+            try(FileOutputStream fos = new FileOutputStream(storeFile)) {
+                IOUtils.copy(response.getEntity().getContent(), fos);
+            } catch (IOException e) {
+                log.error("下载图片时发生异常", e);
+                return;
+            }
+            event.getImageCache().put(event.getDownloadLink(), storeFile);
+        } finally {
+            log.info("图片 {} Event结束({})", event.getStoreFile().getName(), Integer.toHexString(event.hashCode()));
+            cacheQueue.remove(event);
+        }
+    }
+
+}