Struct UserAgentMiddlewareBuilder 

pub struct UserAgentMiddlewareBuilder { /* private fields */ }

Builder for creating a UserAgentMiddleware.

Implementations

impl UserAgentMiddlewareBuilder

pub fn source(self, source: UserAgentSource) -> Self

Sets the primary source for User-Agents.

pub fn strategy(self, strategy: UserAgentRotationStrategy) -> Self

Sets the default strategy to use for rotating User-Agents.

pub fn session_duration(self, duration: Duration) -> Self

Sets the duration for a “sticky session” in the StickySession strategy.

pub fn fallback_user_agent(self, fallback_user_agent: String) -> Self

Sets a fallback User-Agent to use if no other User-Agents are available.

pub fn per_domain_source(self, domain: String, source: UserAgentSource) -> Self

Adds a domain-specific User-Agent source.

pub fn per_domain_strategy( self, domain: String, strategy: UserAgentRotationStrategy, ) -> Self

Adds a domain-specific User-Agent rotation strategy, overriding the default.

pub fn build(self) -> Result<UserAgentMiddleware, SpiderError>

Builds the UserAgentMiddleware. This can fail if a User-Agent source file is specified but cannot be read.

Trait Implementations

impl Clone for UserAgentMiddlewareBuilder

fn clone(&self) -> UserAgentMiddlewareBuilder

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UserAgentMiddlewareBuilder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for UserAgentMiddlewareBuilder

fn default() -> UserAgentMiddlewareBuilder

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for UserAgentMiddlewareBuilder

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for UserAgentMiddlewareBuilder

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.