feat(download): 支持分区存储Uri下载模式

HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDFileInfoTask.java

@@ -19,7 +19,7 @@ import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.Process;
 import android.text.TextUtils;
-import android.util.Log;
+
 import com.arialyy.aria.core.AriaConfig;
 import com.arialyy.aria.core.common.CompleteInfo;
 import com.arialyy.aria.core.common.RequestEnum;
@@ -36,6 +36,7 @@ import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import com.arialyy.aria.util.FileUtil;
 import com.arialyy.aria.util.RecordUtil;
+
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
@@ -146,7 +147,9 @@ final class HttpDFileInfoTask implements IInfoTask, Runnable {
     }
     long len = lenAdapter.handleFileLen(conn.getHeaderFields());
 
-    if (!FileUtil.checkMemorySpace(mEntity.getFilePath(), len)) {
+    // 分区存储 Uri 任务写入的是 Uri（SAF / MediaStore），不校验本地存储空间
+    if (TextUtils.isEmpty(mEntity.getFileUri())
+            && !FileUtil.checkMemorySpace(mEntity.getFilePath(), len)) {
       failDownload(new AriaHTTPException(
           String.format("下载失败，内存空间不足；filePath: %s, url: %s", mEntity.getFilePath(),
               mEntity.getUrl())), false);
@@ -307,6 +310,12 @@ final class HttpDFileInfoTask implements IInfoTask, Runnable {
       ALog.w(TAG, "重命名失败【服务器返回的文件名为空】");
       return;
     }
+    // 分区存储 Uri 任务写入的是 Uri，不支持重命名本地文件，仅使用服务器文件名作为展示名
+    if (!TextUtils.isEmpty(mEntity.getFileUri())) {
+      ALog.d(TAG, String.format("Uri 任务直接使用服务器文件名：%s", newName));
+      mEntity.setFileName(newName);
+      return;
+    }
     ALog.d(TAG, String.format("文件重命名为：%s", newName));
     File oldFile = new File(mEntity.getFilePath());
     String newPath = oldFile.getParent() + "/" + newName;

HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDTTBuilderAdapter.java

@@ -8,6 +8,7 @@ import com.arialyy.aria.core.task.IThreadTaskAdapter;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import com.arialyy.aria.util.FileUtil;
+
 import java.io.File;
 import java.io.IOException;
 
@@ -18,6 +19,10 @@ final class HttpDTTBuilderAdapter extends AbsNormalTTBuilderAdapter {
   }
 
   @Override public boolean handleNewTask(TaskRecord record, int totalThreadNum) {
+    if (isUriMode()) {
+      // 分区存储（Uri）模式没有本地临时文件，目标内容由ContentProvider管理，无需清理
+      return true;
+    }
     if (!record.isBlock) {
       if (getTempFile().exists()) {
         FileUtil.deleteFile(getTempFile());

HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDThreadTaskAdapter.java

@@ -15,6 +15,7 @@
  */
 package com.arialyy.aria.http.download;
 
+import com.arialyy.aria.core.AriaConfig;
 import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.download.DTaskWrapper;
@@ -23,6 +24,8 @@ import com.arialyy.aria.http.BaseHttpThreadTaskAdapter;
 import com.arialyy.aria.http.ConnectionHelp;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
+import com.arialyy.aria.util.UriRandomAccessFile;
+
 import java.io.BufferedInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -100,6 +103,29 @@ final class HttpDThreadTaskAdapter extends BaseHttpThreadTaskAdapter {
       }
 
       is = new BufferedInputStream(ConnectionHelp.convertInputStream(conn));
+      if (getThreadConfig().tempUri != null) {
+        // 分区存储：通过 Uri 写入，支持断点续传
+        UriRandomAccessFile uriFile = null;
+        try {
+          uriFile = new UriRandomAccessFile(AriaConfig.getInstance().getAPP(),
+                  getThreadConfig().tempUri, getThreadRecord().startLocation);
+          readNormal(is, uriFile);
+          handleComplete();
+          return;
+        } catch (IOException e) {
+          fail(new AriaHTTPException(String.format("任务【%s】通过 Uri 下载失败，uri: %s, url: %s",
+                  getFileName(), getThreadConfig().tempUri, getThreadConfig().url), e), true);
+          return;
+        } finally {
+          if (uriFile != null) {
+            try {
+              uriFile.close();
+            } catch (IOException e) {
+              e.printStackTrace();
+            }
+          }
+        }
+      }
       if (mTaskOption.isChunked()) {
         readChunked(is);
       } else if (getThreadConfig().isBlock) {
@@ -259,6 +285,31 @@ final class HttpDThreadTaskAdapter extends BaseHttpThreadTaskAdapter {
     }
   }
 
+  /**
+   * 分区存储：通过 Uri（FileChannel）写入数据，支持断点续传
+   */
+  private void readNormal(InputStream is, UriRandomAccessFile file) throws IOException {
+    byte[] buffer = new byte[getTaskConfig().getBuffSize()];
+    int len;
+    while (getThreadTask().isLive() && (len = is.read(buffer)) != -1) {
+      if (getThreadTask().isBreak()) {
+        break;
+      }
+      if (mSpeedBandUtil != null) {
+        mSpeedBandUtil.limitNextBytes(len);
+      }
+      if (getThreadRecord().endLocation > 0
+              && getRangeProgress() + len >= getThreadRecord().endLocation) {
+        len = (int) (getThreadRecord().endLocation - getRangeProgress());
+        file.write(buffer, 0, len);
+        progress(len);
+        break;
+      }
+      file.write(buffer, 0, len);
+      progress(len);
+    }
+  }
+
   /**
    * 处理完成配置文件的更新或事件回调
    */