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package com.bimface.sdk.service;
import com.bimface.exception.BimfaceException;
import com.bimface.file.bean.*;
import com.bimface.file.enums.FileExceptionCode;
import com.bimface.file.exception.FileExceptionFactory;
import com.bimface.sdk.bean.request.FileBatchQueryRequest;
import com.bimface.sdk.bean.request.FileUploadRequest;
import com.bimface.sdk.client.FileClient;
import com.bimface.sdk.config.Config;
import com.bimface.sdk.config.Endpoint;
import com.bimface.sdk.constants.BimfaceConstants;
import com.bimface.sdk.utils.AssertUtils;
import com.bimface.sdk.utils.FileNameUtils;
import com.bimface.sdk.utils.StringUtils;
import com.glodon.paas.foundation.restclient.RESTStreamRequestBody;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.RequestBody;
import okio.BufferedSink;
import java.io.IOException;
import java.io.InputStream;
import java.time.LocalDate;
import java.util.List;
/**
* 文件上传
*
* @author bimface, 2016-06-01.
*/
public class FileService {
private AccessTokenService accessTokenService;
private FileClient fileClient;
public FileService(Endpoint endpoint, AccessTokenService accessTokenService) {
this(endpoint, null, accessTokenService);
}
public FileService(Endpoint endpoint, Config config, AccessTokenService accessTokenService) {
this.fileClient = FileClient.getFileClient(endpoint.getFileHost(), config);
this.accessTokenService = accessTokenService;
}
/**
* 上传文件
*
* @param fileUploadRequest 文件上传的请求参数
* @return {@link FileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public FileBean upload(FileUploadRequest fileUploadRequest) throws BimfaceException {
return upload(fileUploadRequest, accessTokenService.getAccessToken());
}
public FileBean upload(FileUploadRequest fileUploadRequest, String accessToken) throws BimfaceException {
check(fileUploadRequest, accessToken);
FileBean fileBean;
if (fileUploadRequest.isByUrl()) {
fileBean = fileClient.uploadFileByUrl(fileUploadRequest.getName(), fileUploadRequest.getSourceId(),
fileUploadRequest.getUrl(), fileUploadRequest.getEtag(), accessToken);
} else if (fileUploadRequest.isByOSS()) {
fileBean = fileClient.uploadFileFromOSS(fileUploadRequest.getName(), fileUploadRequest.getSourceId(),
fileUploadRequest.getBucket(), fileUploadRequest.getObjectKey(), accessToken);
} else {
fileBean = fileClient.uploadFileStream(fileUploadRequest.getName(), fileUploadRequest.getSourceId(),
fileUploadRequest.getContentLength(), fileUploadRequest.getInputStream(), accessToken);
}
return fileBean;
}
/**
* 获取上传凭证
*
* @param name 上传文件名,（带后缀名）
* @param sourceId 上传源文件Id（非必选）
* @return {@link UploadPolicyBean}
* @throws BimfaceException {@link BimfaceException}
*/
public UploadPolicyBean getPolicy(String name, String sourceId) throws BimfaceException {
return getPolicy(name, sourceId, accessTokenService.getAccessToken());
}
public UploadPolicyBean getPolicy(String name, String sourceId, String accessToken) throws BimfaceException {
// 文件名校验
FileNameUtils.checkFileName(name);
// sourceId为null时设为""
if (StringUtils.isNullOrEmpty(sourceId)) {
sourceId = "";
}
SupportFileBean supportFileBean = fileClient.getSupportFileTypes(accessToken);
String[] allSupportedType = supportFileBean.getTypes();
FileNameUtils.checkFileType(allSupportedType, name);
return fileClient.getUploadPolicy(name, sourceId, accessToken);
}
/**
* 通过申请上传Policy的方式直接上传到OSS
*
* @param name 上传文件名
* @param sourceId 上传源文件Id（非必选）
* @param contentLength 文件长度
* @param inputStream 二进制文件流
* @return {@link FileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public FileBean uploadByPolicy(String name, String sourceId, Long contentLength,
InputStream inputStream) throws BimfaceException {
return uploadByPolicy(name, sourceId, contentLength, inputStream, accessTokenService.getAccessToken());
}
public FileBean uploadByPolicy(String name, String sourceId, Long contentLength, InputStream inputStream,
String accessToken) throws BimfaceException {
check(new FileUploadRequest(name, sourceId, contentLength, inputStream), accessToken);
UploadPolicyBean policy = getPolicy(name, sourceId, accessToken);
return uploadByPolicy(policy, name, contentLength, inputStream, accessToken);
}
private FileBean uploadByPolicy(UploadPolicyBean policy, String name, Long contentLength, InputStream inputStream,
String accessToken) throws BimfaceException {
if (contentLength == null || contentLength < 0) {
try {
contentLength = (long) inputStream.available();
} catch (IOException e) {
throw new BimfaceException("invalid input stream", e);
}
}
RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM).addFormDataPart("key",
policy.getObjectKey()).addFormDataPart("success_action_status",
"200").addFormDataPart("Content-Disposition",
"attachment;filename=" + name).addFormDataPart("OSSAccessKeyId",
policy.getAccessId()).addFormDataPart("policy",
policy.getPolicy()).addFormDataPart("Signature",
policy.getSignature()).addFormDataPart("callback",
policy.getCallbackBody()).addFormDataPart("file",
name,
RESTStreamRequestBody.create(MediaType.parse(BimfaceConstants.STREAM_MIME), contentLength, inputStream)).build();
return fileClient.uploadByPolicy(policy.getHost(), body);
}
public void check(FileUploadRequest fileUploadRequest, String accessToken) throws BimfaceException {
AssertUtils.assertParameterNotNull(fileUploadRequest, "fileUploadRequest");
FileNameUtils.checkFileName(fileUploadRequest.getName());
SupportFileBean supportFileBean = fileClient.getSupportFileTypes(accessToken);
String[] allSupportedType = supportFileBean.getTypes();
// 检查文件格式是否支持
FileNameUtils.checkFileType(allSupportedType, fileUploadRequest.getName());
// 检查文件内容
if (fileUploadRequest.isByUrl()) {
// 如果是URL方式上传
AssertUtils.checkUrl(fileUploadRequest.getUrl());
} else if (!fileUploadRequest.isByOSS()) {
// 如果是普通流上传
if (fileUploadRequest.getContentLength() == null || fileUploadRequest.getContentLength() < 0) {
throw new IllegalArgumentException("ContentLength is null.");
}
AssertUtils.assertParameterNotNull(fileUploadRequest.getInputStream(), "inputStream");
// 检查文件长度是否支持
AssertUtils.checkFileLength(supportFileBean.getLength(), fileUploadRequest.getContentLength());
}
}
/**
* 删除文件
*
* @param fileId 文件ID
* @throws BimfaceException {@link BimfaceException}
*/
public void deleteFile(Long fileId) throws BimfaceException {
fileClient.deleteFile(fileId, accessTokenService.getAccessToken());
}
/**
* 创建追加文件
*
* @param name 文件的全名，使用URL编码（UTF-8），最多256个字符
* @param sourceId 调用方的文件源ID，不能重复
* @param length 上传文件长度
* @return AppendFileBean {@link AppendFileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public AppendFileBean createAppendFile(String name, String sourceId, Long length) throws BimfaceException {
return createAppendFile(name, sourceId, length, accessTokenService.getAccessToken());
}
public AppendFileBean createAppendFile(String name, String sourceId, Long length, String accessToken) throws BimfaceException {
// 文件名校验
FileNameUtils.checkFileName(name);
AssertUtils.assertParameterNotNull(length, "length");
// sourceId为null时设为""
if (StringUtils.isNullOrEmpty(sourceId)) {
sourceId = "";
}
SupportFileBean supportFileBean = fileClient.getSupportFileTypes(accessToken);
String[] allSupportedType = supportFileBean.getTypes();
FileNameUtils.checkFileType(allSupportedType, name);
return fileClient.createAppendFile(name, sourceId, length, accessToken);
}
/**
* 查询追加文件信息
*
* @param appendFileId
* @return AppendFileBean {@link AppendFileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public AppendFileBean queryAppendFile(Long appendFileId) throws BimfaceException {
return queryAppendFile(appendFileId, accessTokenService.getAccessToken());
}
public AppendFileBean queryAppendFile(Long appendFileId, String accessToken) throws BimfaceException {
return fileClient.getAppendFile(appendFileId, accessToken);
}
/**
* 追加上传
*
* @param appendFileId
* @return AppendFileBean {@link AppendFileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public AppendFileBean uploadAppendFile(InputStream inputStream, Long appendFileId) throws BimfaceException {
return uploadAppendFile(inputStream, appendFileId, accessTokenService.getAccessToken());
}
public AppendFileBean uploadAppendFile(InputStream inputStream, Long appendFileId, Long fileLength, Long position) throws BimfaceException {
RequestBody requestBody = RESTStreamRequestBody.create(MediaType.parse(BimfaceConstants.STREAM_MIME), fileLength, inputStream);
return fileClient.appendUpload(appendFileId, position, requestBody, accessTokenService.getAccessToken());
}
public AppendFileBean uploadAppendFile(InputStream inputStream, Long appendFileId, String accessToken) throws BimfaceException {
AppendFileBean appendFileBean = queryAppendFile(appendFileId, accessToken);
RequestBody body = requestIOFromPosition(inputStream, appendFileBean);
return fileClient.appendUpload(appendFileId, appendFileBean.getPosition(), body, accessToken);
}
private static RequestBody requestIOFromPosition(final InputStream inputStream, final AppendFileBean appendFileBean) {
if (inputStream == null) throw new NullPointerException("content == null");
return new RequestBody() {
@Override
public MediaType contentType() {
return MediaType.parse(BimfaceConstants.STREAM_MIME);
}
@Override
public long contentLength() {
return appendFileBean.getLength() - appendFileBean.getPosition();
}
@Override
public void writeTo(BufferedSink sink) throws IOException {
try {
inputStream.skip(appendFileBean.getPosition());
final byte[] buffer = new byte[BimfaceConstants.PUT_THRESHOLD];
int l;
while ((l = inputStream.read(buffer)) != -1) {
sink.outputStream().write(buffer, 0, l);
}
} finally {
sink.close();
}
}
};
}
/**
* 根据文件id获取文件元信息
*
* @param fileId 文件Id
* @return {@link FileBean}
* @throws BimfaceException {@link BimfaceException}
* @deprecated
*/
@Deprecated
public FileBean getFileMetadata(Long fileId) throws BimfaceException {
return fileClient.getFileMetaData(fileId, accessTokenService.getAccessToken());
}
/**
* 根据文件id获取文件元信息
*
* @param fileId 文件Id
* @return {@link FileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public FileBean getFile(Long fileId) throws BimfaceException {
return fileClient.getFile(fileId, accessTokenService.getAccessToken());
}
/**
* 根据批量获取文件元信息
*
* @param request
* @return
* @throws BimfaceException
*/
public List getFiles(FileBatchQueryRequest request) throws BimfaceException {
String startTime = null;
String endTime = null;
String status = null;
LocalDate from = request.getStartTime();
LocalDate to = request.getEndTime();
Long offset = request.getOffset();
Long rows = request.getRows();
if (from != null && to != null) {
AssertUtils.assertTrue(from.isBefore(to), "start time must be earlier than end time");
}
if (from != null) {
startTime = from.toString();
}
if (to != null) {
endTime = to.toString();
}
if (offset != null && offset < 0) {
throw new IllegalArgumentException("offset must be equal or greater than 0");
}
if (rows != null) {
AssertUtils.assertParameterInRange(rows, 1, 500);
}
if (request.getStatus() != null) {
status = request.getStatus().getName();
}
return fileClient.getFiles(request.getSuffix(), status,
startTime, endTime, offset, rows, accessTokenService.getAccessToken());
}
/**
* 根据文件id获取文件上传状态信息
*
* @param fileId 文件Id
* @return {@link FileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public FileUploadStatusBean getFileUploadStatus(Long fileId) throws BimfaceException {
return fileClient.getFileUploadStatus(fileId, accessTokenService.getAccessToken());
}
/**
* 根据文件id获取文件元信息
*
* @return {@link SupportFileBean}
* @throws BimfaceException {@link BimfaceException}
*/
public SupportFileBean getSupportedFileTypes() throws BimfaceException {
return fileClient.getSupportFileTypes(accessTokenService.getAccessToken());
}
}
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