Tenlion/cm-cloud
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解决断点续传问题

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wenc000 2020-06-11 17:45:04 +08:00
parent 7361a0d0d3
commit e03d2b41f0
1 changed files with 21 additions and 10 deletions
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31
cloud-common-plugin/src/main/java/com/cm/common/plugin/service/file/impl/FileServiceImpl.java
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@ -25,6 +25,7 @@ import it.sauronsoftware.jave.Encoder;
import it.sauronsoftware.jave.EncoderException;
import it.sauronsoftware.jave.MultimediaInfo;
import net.coobird.thumbnailator.Thumbnails;
import org.apache.catalina.connector.ClientAbortException;
import org.apache.commons.fileupload.disk.DiskFileItem;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
@ -190,7 +191,7 @@ public class FileServiceImpl extends AbstractService implements IFileService {
throw new SearchException("文件获取失败");
}
try (BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(new File(filePO.getFilePath())));
OutputStream outputStream = response.getOutputStream();
OutputStream outputStream = new BufferedOutputStream(response.getOutputStream());
) {
boolean isOpen = Boolean.valueOf(params.get("isOpen").toString());
response.setHeader("Content-Length", filePO.getFileSize());
@ -200,8 +201,11 @@ public class FileServiceImpl extends AbstractService implements IFileService {
} else {
response.setHeader("Content-Disposition", "inline;fileName=" + URLEncoder.encode(filePO.getFileName(), "UTF-8"));
}
String rangeString = request.getHeader("Range");
LOG.debug("range: {}", rangeString);
String rangeString = null;
if (request != null) {
rangeString = request.getHeader("Range");
LOG.debug("range: {}", rangeString);
}
long contentLength = Long.valueOf(filePO.getFileSize());
long startRange = 0;
long endRange = contentLength - 1;
@ -212,7 +216,7 @@ public class FileServiceImpl extends AbstractService implements IFileService {
String[] rangeArray = rangeString.substring(rangeString.indexOf("=") + 1).split("-");
startRange = Long.valueOf(rangeArray[0]);
if (rangeArray.length > 1) {
endRange = Long.valueOf(rangeArray[1]) - 1;
endRange = Long.valueOf(rangeArray[1]);
}
setRangeHeader(startRange, endRange, response, filePO.getFileId(), contentLength);
bufferedInputStream.skip(startRange);
@ -220,21 +224,28 @@ public class FileServiceImpl extends AbstractService implements IFileService {
LOG.debug("startRange: {}, endRange: {}", startRange, endRange);
long totalOutputLength = endRange - startRange + 1;
long outputLength = 0;
int readLength = 0;
for (byte[] buf = new byte[INPUT_STREAM_SIZE]; (readLength = bufferedInputStream.read(buf)) > -1 && outputLength <= totalOutputLength; ) {
outputStream.write(buf, 0, buf.length);
outputLength += readLength;
int readLength;
for (byte[] buf = new byte[INPUT_STREAM_SIZE]; (readLength = bufferedInputStream.read(buf)) > -1 && outputLength < totalOutputLength; ) {
long remainingLength = totalOutputLength - outputLength;
int bufSize = remainingLength < INPUT_STREAM_SIZE ? (int) remainingLength : readLength;
outputStream.write(buf, 0, bufSize);
outputLength += bufSize;
}
outputStream.flush();
} catch (Exception e) {
throw new FileException("文件输出异常");
if (e instanceof ClientAbortException) {
LOG.debug("客户端断开连接");
} else {
throw new FileException("文件输出异常", e);
}
}
}
/**
* 处理视频流问题
*
* @param request
* @param startRange
* @param endRange
* @param response
* @param fileId
* @param contentLength