HttpTransport

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API Reference for EPL (ApamaDoc) 10.3.1.5

SUMMARY: IMPORT | CONSTANT | MEMBER | ACTION

DETAIL: IMPORT | CONSTANT | MEMBER | ACTION

com.softwareag.connectivity.httpclient
Event HttpTransport

Holds a chain instance which is configured to invoke HTTP requests using pre-defined event types and HTTP Client Transport connectivity plug-in. It should be used to create new HTTP requests.

The chain instances are configured to handle events of type Request and Response. The payload is converted into or converted from appropriate payload format based on the connectivity plug-in codecs defined for the chain.

The static actions starting with getOrCreate should be used to get an instance with desired configurations. The actions with names similar to createRequest and createAndExecuteRequest should be used to create a request which then should be executed.

Note that chain instances created by the event are not persisted even if the event is used from persistent monitor. So new instances should be obtained using actions similar to getOrCreate on recovery.

See Also:: com.softwareag.connectivity.httpclient.Request -; com.softwareag.connectivity.httpclient.Response -

Constant summary
`string`	`CONFIG_AUTH_TYPE := "authenticationType"` The configuration name to specify the basePath configuration of the HTTP transport. The default value is none.
`string`	`CONFIG_BASE_PATH := "basePath"` The configuration name to specify the basePath configuration of the HTTP transport. The default value is an empty string.
`string`	`CONFIG_DYNAMIC_CHAIN_DEF_NAME := "dynamicChainDefinitionName"` The configuration name to specify the name of dynamic chain definition to use for the chain instances. The default value is HTTPClientGenericChain.
`string`	`CONFIG_PASSWORD := "password"` The configuration name to specify the password configuration of the HTTP transport. The default value is an empty string.
`string`	`CONFIG_TIMEOUT_SECS := "timeoutSecs"` The configuration name to specify the timeoutSecs configuration of the HTTP transport. The default value is 120 seconds.
`string`	`CONFIG_TLS := "tls"` The configuration name to specify tls configuration of the HTTP transport. The default value is false.
`string`	`CONFIG_TLS_ACCEPCT_UNRECOGNIZED_CERTS := "tlsAcceptUnrecognizedCertificates"` Deprecated. Deprecated: Use CONFIG_TLS_ACCEPT_UNRECOGNIZED_CERTS instead.
`string`	`CONFIG_TLS_ACCEPT_UNRECOGNIZED_CERTS := "tlsAcceptUnrecognizedCertificates"` The configuration name to specify the tlsAcceptUnrecognizedCertificates configuration of the HTTP transport. The default value is false.
`string`	`CONFIG_TLS_CERT_AUTH_FILE := "tlsCertificateAuthorityFile"` The configuration name to specify the tlsCertificateAuthorityFile configuration of the HTTP transport. The default value is an empty string.
`string`	`CONFIG_USERNAME := "username"` The configuration name to specify the username configuration of the HTTP transport. The default value is an empty string.

Action summary
`void`	`createAndExecuteRequest(string method, string path, any payload, com.softwareag.connectivity.httpclient.HttpOptions options, action<com.softwareag.connectivity.httpclient.Response> callback)` Create an HTTP request and execute it. The callback action is executed when the corresponding response is received.
`com.softwareag.connectivity.httpclient.Request`	`createDELETERequest(string path)` Create an HTTP DELETE request for the specified path.
`com.softwareag.connectivity.httpclient.Request`	`createGETRequest(string path)` Create an HTTP GET request for the specified path.
`com.softwareag.connectivity.httpclient.Request`	`createPOSTRequest(string path, any payload)` Create an HTTP POST request for the specified path and the payload.
`com.softwareag.connectivity.httpclient.Request`	`createPUTRequest(string path, any payload)` Create an HTTP PUT request for the specified path and the payload.
`com.softwareag.connectivity.httpclient.Request`	`createRequest(string method, string path, any payload, com.softwareag.connectivity.httpclient.HttpOptions options)` Create an HTTP request which can be further customized and then executed.
`dictionary<string, string>`	`static` `defaultConfigurations()` Returns a dictionary populated with the default values for the configuration options used for the HTTP client transport and name of the dynamic chain definition to use for the chain instances.
`com.softwareag.connectivity.httpclient.HttpTransport`	`static` `getOrCreate(string host, integer port)` Create a new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain for the specified host, port and default configurations. It enables the TLS if the value of the port is 443.
`com.softwareag.connectivity.httpclient.HttpTransport`	`static` `getOrCreateWithConfigurations(string host, integer port, dictionary<string, string> configurations)` Create a new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain for the specified host, port, and configurations.

Constant detail

CONFIG_AUTH_TYPE

string CONFIG_AUTH_TYPE := "authenticationType"

The configuration name to specify the basePath configuration of the HTTP transport. The default value is none.

CONFIG_BASE_PATH

string CONFIG_BASE_PATH := "basePath"

The configuration name to specify the basePath configuration of the HTTP transport. The default value is an empty string.

CONFIG_DYNAMIC_CHAIN_DEF_NAME

string CONFIG_DYNAMIC_CHAIN_DEF_NAME := "dynamicChainDefinitionName"

The configuration name to specify the name of dynamic chain definition to use for the chain instances. The default value is HTTPClientGenericChain.

CONFIG_PASSWORD

string CONFIG_PASSWORD := "password"

The configuration name to specify the password configuration of the HTTP transport. The default value is an empty string.

CONFIG_TIMEOUT_SECS

string CONFIG_TIMEOUT_SECS := "timeoutSecs"

The configuration name to specify the timeoutSecs configuration of the HTTP transport. The default value is 120 seconds.

CONFIG_TLS

string CONFIG_TLS := "tls"

The configuration name to specify tls configuration of the HTTP transport. The default value is false.

CONFIG_TLS_ACCEPCT_UNRECOGNIZED_CERTS

string CONFIG_TLS_ACCEPCT_UNRECOGNIZED_CERTS := "tlsAcceptUnrecognizedCertificates"

Deprecated:: Use CONFIG_TLS_ACCEPT_UNRECOGNIZED_CERTS instead.

Deprecated.

CONFIG_TLS_ACCEPT_UNRECOGNIZED_CERTS

string CONFIG_TLS_ACCEPT_UNRECOGNIZED_CERTS := "tlsAcceptUnrecognizedCertificates"

The configuration name to specify the tlsAcceptUnrecognizedCertificates configuration of the HTTP transport. The default value is false.

CONFIG_TLS_CERT_AUTH_FILE

string CONFIG_TLS_CERT_AUTH_FILE := "tlsCertificateAuthorityFile"

The configuration name to specify the tlsCertificateAuthorityFile configuration of the HTTP transport. The default value is an empty string.

CONFIG_USERNAME

string CONFIG_USERNAME := "username"

The configuration name to specify the username configuration of the HTTP transport. The default value is an empty string.

Action detail

createAndExecuteRequest

void createAndExecuteRequest(string method, string path, any payload, com.softwareag.connectivity.httpclient.HttpOptions options, action<com.softwareag.connectivity.httpclient.Response> callback)

Create an HTTP request and execute it. The callback action is executed when the corresponding response is received.

Parameters:: method - The HTTP method to use for the request.; path - The HTTP URI for the request.; payload - The payload of the HTTP request.; options - Optional HTTP options to specify headers, cookies and query parameters.; callback - The callback action which gets called on the response.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -; com.softwareag.connectivity.httpclient.RequestType -

createDELETERequest

com.softwareag.connectivity.httpclient.Request createDELETERequest(string path)

Create an HTTP DELETE request for the specified path.

This is equivalent to calling createRequest(RequestType.DELETE, path, new any, new HttpOptions).

Parameters:: path - The HTTP URI for the request.

Returns:: A new Request event instance which could be further customized and then should be executed by calling the execute() action.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -

createGETRequest

com.softwareag.connectivity.httpclient.Request createGETRequest(string path)

Create an HTTP GET request for the specified path.

This is equivalent to calling createRequest(RequestType.GET, path, new any, new HttpOptions).

Parameters:: path - The HTTP URI for the request.

Returns:: A new Request event instance which could be further customized and then should be executed by calling the execute() action.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -

createPOSTRequest

com.softwareag.connectivity.httpclient.Request createPOSTRequest(string path, any payload)

Create an HTTP POST request for the specified path and the payload.

This is equivalent to calling createRequest(RequestType.POST, path, payload, new HttpOptions).

Parameters:: path - The HTTP URI for the request.; payload - The payload for the request.

Returns:: A new Request event instance which could be further customized and then should be executed by calling the execute() action.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -

createPUTRequest

com.softwareag.connectivity.httpclient.Request createPUTRequest(string path, any payload)

Create an HTTP PUT request for the specified path and the payload.

This is equivalent to calling createRequest(RequestType.PUT, path, payload, new HttpOptions).

Parameters:: path - The HTTP URI for the request.; payload - The payload for the request.

Returns:: A new Request event instance which could be further customized and then should be executed by calling the execute() action.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -

createRequest

com.softwareag.connectivity.httpclient.Request createRequest(string method, string path, any payload, com.softwareag.connectivity.httpclient.HttpOptions options)

Create an HTTP request which can be further customized and then executed.

Parameters:: method - The HTTP method to use for the request.; path - The HTTP URI for the request.; payload - The payload of the HTTP request.; options - Optional HTTP options to specify headers, cookies and query parameters.

Returns:: A new Request event instance which should be executed by calling the execute action.

See Also:: com.softwareag.connectivity.httpclient.Request#execute() -; com.softwareag.connectivity.httpclient.RequestType -

defaultConfigurations

dictionary<string, string> static defaultConfigurations()

Returns a dictionary populated with the default values for the configuration options used for the HTTP client transport and name of the dynamic chain definition to use for the chain instances.

Look at the constants starting with CONFIG for the supported configurations and their default values. Look at the documentation of the HTTP Client Transport connectivity plug-in for more information about the configurations.

Returns:: A dictionary with the default configuration values.

getOrCreate

com.softwareag.connectivity.httpclient.HttpTransport static getOrCreate(string host, integer port)

Create a new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain for the specified host, port and default configurations. It enables the TLS if the value of the port is 443.

This is equivalent to calling getOrCreateWithConfigurations(host, port, {CONFIG_TLS:(port = 443).toString()}).

Parameters:: host - The host address.; port - The port number.

Returns:: A new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain.

See Also:: getOrCreateWithConfigurations() -

getOrCreateWithConfigurations

com.softwareag.connectivity.httpclient.HttpTransport static getOrCreateWithConfigurations(string host, integer port, dictionary<string, string> configurations)

Create a new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain for the specified host, port, and configurations.

If a chain instance for the specified host, port, basePath and username values already exist then it is used ignoring other configurations otherwise a new instance with the specified configurations is created.

The name of dynamic chain definition to use for the chain instances can be passed through the configurations dictionary. HTTPClientGenericChain is used as dynamic chain definition name if it is not provided.

Parameters:: host - The host address.; port - The port number.; configurations - The dictionary to provide values for the configuration options to override the default values. For any configurations not specified in the dictionary, their default values are used. Look at the constants starting with CONFIG for the supported configurations and their default values.

Returns:: A new instance of the HttpTransport event holding an instance of the HTTP client connectivity chain.

Throws:: Throws IllegalArgumentException if an unknown configuration is specified in the configurations dictionary.