Jeffrey04 Jeffrey04 - 1 year ago 98
HTTP Question

How is a HTTP PUT request typically issued?

I know HTTP PUT is an idempotent request that store something at a specific URI, according to the definition (quoted from the rfc)

The PUT method requests that the enclosed entity be stored under the supplied Request-URI.

But what is the definition of 'enclosed entity'? It doesn't seem possible for me to send form data (like for HTTP POST request) over. What about sending representation of the entity via JSON/XML or in other serialization formats?

In short, how does one send a HTTP PUT request over to store/update info at a specific URI then?

Answer Source

The enclosed entity is the payload data contained in the HTTP message body (after any transfer encodings have been removed.) If you're having trouble sending the message body then it could be that you've forgotten to include a Content-Length header - that's one of two ways to indicate that the HTTP message has a body.

PUT is the same as POST except for this semantic difference: With POST the URI identifies a resource that will handle the entity, such as a servlet. With PUT the URI identifies the entity itself, for example a file that will be created/replaced with the contents of the entity body.

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