删除冗余的实体类

app/src/main/java/com/bgycc/smartcanteen/entity/ProgressResponseBody.java

-package com.bgycc.smartcanteen.entity;
-
-import com.bgycc.smartcanteen.listener.DownloadProgressListener;
-
-import org.jetbrains.annotations.NotNull;
-
-import java.io.IOException;
-
-import okhttp3.MediaType;
-import okhttp3.ResponseBody;
-import okio.Buffer;
-import okio.BufferedSource;
-import okio.ForwardingSource;
-import okio.Okio;
-import okio.Source;
-
-public class ProgressResponseBody extends ResponseBody {
-    private final ResponseBody responseBody;
-    private final DownloadProgressListener listener;
-    private BufferedSource bufferedSource;
-
-    public ProgressResponseBody(ResponseBody responseBody, DownloadProgressListener listener){
-        this.responseBody = responseBody;
-        this.listener = listener;
-    }
-    @Override
-    public MediaType contentType() {
-        return responseBody.contentType();
-    }
-
-    @Override
-    public long contentLength() {
-        return responseBody.contentLength();
-    }
-
-    @NotNull
-    @Override
-    public BufferedSource source() {
-        if (null == bufferedSource){
-            bufferedSource = Okio.buffer(source(responseBody.source()));
-        }
-        return bufferedSource;
-    }
-
-    private Source source(Source source) {
-        return new ForwardingSource(source) {
-            long totalBytesRead = 0L;
-
-            @Override
-            public long read(@NotNull Buffer sink, long byteCount) throws IOException {
-                long bytesRead = super.read(sink, byteCount);
-                totalBytesRead += bytesRead != -1 ? bytesRead : 0;
-                listener.onProgress(totalBytesRead, responseBody.contentLength(), bytesRead == -1);
-                return bytesRead;
-            }
-        };
-    }
-}