Java 关闭传递给MultipartFormDataOutput的流
Resteasy没有解释谁负责关闭传递给Java 关闭传递给MultipartFormDataOutput的流,java,stream,resteasy,Java,Stream,Resteasy,Resteasy没有解释谁负责关闭传递给MultipartFormDataOutput的流。让我们考虑下面的例子: WebTarget target = ClientBuilder.newClient().target("url"); MultipartFormDataOutput formData = new MultipartFormDataOutput(); FileInputStream fis1 = new FileInputStream(new File(&quo
MultipartFormDataOutput
的流。让我们考虑下面的例子:
WebTarget target = ClientBuilder.newClient().target("url");
MultipartFormDataOutput formData = new MultipartFormDataOutput();
FileInputStream fis1 = new FileInputStream(new File("/path/to/image1"));
FileInputStream fis2 = new FileInputStream(new File("/path/to/image2"));
formData.addFormData("image", fis1, MediaType.APPLICATION_OCTET_STREAM_TYPE);
formData.addFormData("image", fis2, MediaType.APPLICATION_OCTET_STREAM_TYPE);
Entity<MultipartFormDataOutput> entity = Entity.entity(formData, MediaType.MULTIPART_FORM_DATA);
Response response = target.request().post(entity);
WebTarget=ClientBuilder.newClient().target(“url”);
MultipartFormDataOutput formData=新的MultipartFormDataOutput();
FileInputStream fis1=新的FileInputStream(新文件(“/path/to/image1”);
FileInputStream fis2=新的FileInputStream(新文件(“/path/to/image2”);
formData.addFormData(“图像”,fis1,媒体类型。应用程序\u八位字节\u流\u类型);
formData.addFormData(“图像”,fis2,媒体类型。应用程序\u八位字节\u流\u类型);
实体=实体.实体(formData,MediaType.MULTIPART\u FORM\u DATA);
响应=target.request().post(实体);
resteasy会关闭fis1
和fis2
,还是用户应该注意关闭这些流?我建议使用,以确保它们会关闭
WebTarget target = ClientBuilder.newClient().target("url");
MultipartFormDataOutput formData = new MultipartFormDataOutput();
try(FileInputStream fis1 = new FileInputStream(new File("/path/to/image1")));
FileInputStream fis2 = new FileInputStream(new File("/path/to/image2")))
{
formData.addFormData("image", fis1, MediaType.APPLICATION_OCTET_STREAM_TYPE);
formData.addFormData("image", fis2, MediaType.APPLICATION_OCTET_STREAM_TYPE);
Entity<MultipartFormDataOutput> entity = Entity.entity(formData,
MediaType.MULTIPART_FORM_DATA);
Response response = target.request().post(entity);
}
WebTarget=ClientBuilder.newClient().target(“url”);
MultipartFormDataOutput formData=新的MultipartFormDataOutput();
try(FileInputStream fis1=newfileinputstream(新文件(“/path/to/image1”));
FileInputStream fis2=新的FileInputStream(新文件(“/path/to/image2”))
{
formData.addFormData(“图像”,fis1,媒体类型。应用程序\u八位字节\u流\u类型);
formData.addFormData(“图像”,fis2,媒体类型。应用程序\u八位字节\u流\u类型);
实体=实体。实体(formData,
MediaType.MULTIPART\u FORM\u DATA);
响应=target.request().post(实体);
}
所以我可以自己回答我的问题,希望有人能从中受益
Resteasy将关闭经过的流。在我的例子中,InputStreamProvider
将负责关闭FileInputStream
public void writeTo(InputStream inputStream, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException
{
LogMessages.LOGGER.debugf("Provider : %s, Method : writeTo", getClass().getName());
try
{
int c = inputStream.read();
if (c == -1)
{
httpHeaders.putSingle(HttpHeaderNames.CONTENT_LENGTH, Integer.toString(0));
entityStream.write(new byte[0]); // fix RESTEASY-204
return;
}
else
entityStream.write(c);
ProviderHelper.writeTo(inputStream, entityStream);
}
finally
{
inputStream.close();
}
}
public void writeTo(InputStream InputStream、类类型、类型genericType、注释[]注释、MediaType MediaType、多值Map httpHeaders、OutputStream entityStream)引发IOException
{
LogMessages.LOGGER.debugf(“提供程序:%s,方法:writeTo”,getClass().getName());
尝试
{
int c=inputStream.read();
如果(c==-1)
{
httpHeaders.putSingle(HttpHeaderNames.CONTENT_LENGTH,Integer.toString(0));
entityStream.write(新字节[0]);//修复RESTEASY-204
返回;
}
其他的
entityStream.write(c);
writeTo(inputStream、entityStream);
}
最后
{
inputStream.close();
}
}
谢谢你的回答,但不是真的回答我的问题。