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Content Negotiation: Difference between revisions
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== Mechanism == | == Mechanism == | ||
1. When a client makes a request to a server it supplies all the formats it supports in the [[Accept Header]]: | 1. When a client makes a request to a server it supplies all the formats it supports in the [[Accept Header]]: <code>Accept: text/html,application/xhtml+xml</code>. | ||
2. The server looks at the list the client sent and excludes all formats it does not support. | 2. The server looks at the list the client sent and excludes all formats it does not support. | ||
3. If there are no common formats, the server either responds with [[406 Not Acceptable]] or it picks a fallback format like | 3. If there are no common formats, the server either responds with [[406 Not Acceptable]] or it picks a fallback format like <code>text/html</code>. | ||
4. If there are common formats left, the server picks the one the client marked with the highest priority. | 4. If there are common formats left, the server picks the one the client marked with the highest priority. | ||
5. The server then returns the content that matches the negotiated format. | 5. The server then returns the content that matches the negotiated format. | ||