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The `google-accesscontextmanager1` library allows access to all features of the *Google Access Context Manager* service.
This documentation was generated from *Access Context Manager* crate version *1.0.13+20200405*, where *20200405* is the exact revision of the *accesscontextmanager:v1* schema built by the [mako](http://www.makotemplates.org/) code generator *v1.0.13*.
Everything else about the *Access Context Manager* *v1* API can be found at the
[official documentation site](https://cloud.google.com/access-context-manager/docs/reference/rest/).
# Features
Handle the following *Resources* with ease from the central [hub](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessContextManager.html) ...
* [access policies](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicy.html)
* [*access levels create*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelCreateCall.html), [*access levels delete*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelDeleteCall.html), [*access levels get*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelGetCall.html), [*access levels list*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelListCall.html), [*access levels patch*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelPatchCall.html), [*access levels replace all*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyAccessLevelReplaceAllCall.html), [*create*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyCreateCall.html), [*delete*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyDeleteCall.html), [*get*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyGetCall.html), [*list*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyListCall.html), [*patch*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyPatchCall.html), [*service perimeters commit*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterCommitCall.html), [*service perimeters create*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterCreateCall.html), [*service perimeters delete*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterDeleteCall.html), [*service perimeters get*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterGetCall.html), [*service perimeters list*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterListCall.html), [*service perimeters patch*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterPatchCall.html) and [*service perimeters replace all*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessPolicyServicePerimeterReplaceAllCall.html)
* [operations](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.Operation.html)
* [*cancel*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.OperationCancelCall.html), [*delete*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.OperationDeleteCall.html), [*get*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.OperationGetCall.html) and [*list*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.OperationListCall.html)
# Structure of this Library
The API is structured into the following primary items:
* **[Hub](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/struct.AccessContextManager.html)**
* a central object to maintain state and allow accessing all *Activities*
* creates [*Method Builders*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.MethodsBuilder.html) which in turn
allow access to individual [*Call Builders*](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.CallBuilder.html)
* **[Resources](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Resource.html)**
* primary types that you can apply *Activities* to
* a collection of properties and *Parts*
* **[Parts](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Part.html)**
* a collection of properties
* never directly used in *Activities*
* **[Activities](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.CallBuilder.html)**
* operations to apply to *Resources*
All *structures* are marked with applicable traits to further categorize them and ease browsing.
Generally speaking, you can invoke *Activities* like this:
```Rust,ignore
let r = hub.resource().activity(...).doit()
```
Or specifically ...
```ignore
let r = hub.access_policies().service_perimeters_replace_all(...).doit()
let r = hub.operations().delete(...).doit()
let r = hub.access_policies().access_levels_create(...).doit()
let r = hub.operations().list(...).doit()
let r = hub.operations().get(...).doit()
let r = hub.access_policies().service_perimeters_create(...).doit()
let r = hub.access_policies().access_levels_patch(...).doit()
let r = hub.access_policies().create(...).doit()
let r = hub.access_policies().patch(...).doit()
let r = hub.access_policies().access_levels_delete(...).doit()
let r = hub.access_policies().service_perimeters_delete(...).doit()
let r = hub.operations().cancel(...).doit()
let r = hub.access_policies().service_perimeters_patch(...).doit()
let r = hub.access_policies().delete(...).doit()
let r = hub.access_policies().access_levels_replace_all(...).doit()
let r = hub.access_policies().service_perimeters_commit(...).doit()
```
The `resource()` and `activity(...)` calls create [builders][builder-pattern]. The second one dealing with `Activities`
supports various methods to configure the impending operation (not shown here). It is made such that all required arguments have to be
specified right away (i.e. `(...)`), whereas all optional ones can be [build up][builder-pattern] as desired.
The `doit()` method performs the actual communication with the server and returns the respective result.
# Usage
## Setting up your Project
To use this library, you would put the following lines into your `Cargo.toml` file:
```toml
[dependencies]
google-accesscontextmanager1 = "*"
# This project intentionally uses an old version of Hyper. See
# https://github.com/Byron/google-apis-rs/issues/173 for more
# information.
hyper = "^0.10"
hyper-rustls = "^0.6"
serde = "^1.0"
serde_json = "^1.0"
yup-oauth2 = "^1.0"
```
## A complete example
```Rust
extern crate hyper;
extern crate hyper_rustls;
extern crate yup_oauth2 as oauth2;
extern crate google_accesscontextmanager1 as accesscontextmanager1;
use accesscontextmanager1::{Result, Error};
use std::default::Default;
use oauth2::{Authenticator, DefaultAuthenticatorDelegate, ApplicationSecret, MemoryStorage};
use accesscontextmanager1::AccessContextManager;
// Get an ApplicationSecret instance by some means. It contains the `client_id` and
// `client_secret`, among other things.
let secret: ApplicationSecret = Default::default();
// Instantiate the authenticator. It will choose a suitable authentication flow for you,
// unless you replace `None` with the desired Flow.
// Provide your own `AuthenticatorDelegate` to adjust the way it operates and get feedback about
// what's going on. You probably want to bring in your own `TokenStorage` to persist tokens and
// retrieve them from storage.
let auth = Authenticator::new(&secret, DefaultAuthenticatorDelegate,
hyper::Client::with_connector(hyper::net::HttpsConnector::new(hyper_rustls::TlsClient::new())),
<MemoryStorage as Default>::default(), None);
let mut hub = AccessContextManager::new(hyper::Client::with_connector(hyper::net::HttpsConnector::new(hyper_rustls::TlsClient::new())), auth);
// You can configure optional parameters by calling the respective setters at will, and
// execute the final call using `doit()`.
// Values shown here are possibly random and not representative !
let result = hub.operations().list("name")
.page_token("sit")
.page_size(-65)
.filter("sed")
.doit();
match result {
Err(e) => match e {
// The Error enum provides details about what exactly happened.
// You can also just use its `Debug`, `Display` or `Error` traits
Error::HttpError(_)
|Error::MissingAPIKey
|Error::MissingToken(_)
|Error::Cancelled
|Error::UploadSizeLimitExceeded(_, _)
|Error::Failure(_)
|Error::BadRequest(_)
|Error::FieldClash(_)
|Error::JsonDecodeError(_, _) => println!("{}", e),
},
Ok(res) => println!("Success: {:?}", res),
}
```
## Handling Errors
All errors produced by the system are provided either as [Result](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/enum.Result.html) enumeration as return value of
the doit() methods, or handed as possibly intermediate results to either the
[Hub Delegate](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Delegate.html), or the [Authenticator Delegate](https://docs.rs/yup-oauth2/*/yup_oauth2/trait.AuthenticatorDelegate.html).
When delegates handle errors or intermediate values, they may have a chance to instruct the system to retry. This
makes the system potentially resilient to all kinds of errors.
## Uploads and Downloads
If a method supports downloads, the response body, which is part of the [Result](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/enum.Result.html), should be
read by you to obtain the media.
If such a method also supports a [Response Result](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.ResponseResult.html), it will return that by default.
You can see it as meta-data for the actual media. To trigger a media download, you will have to set up the builder by making
this call: `.param("alt", "media")`.
Methods supporting uploads can do so using up to 2 different protocols:
*simple* and *resumable*. The distinctiveness of each is represented by customized
`doit(...)` methods, which are then named `upload(...)` and `upload_resumable(...)` respectively.
## Customization and Callbacks
You may alter the way an `doit()` method is called by providing a [delegate](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Delegate.html) to the
[Method Builder](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.CallBuilder.html) before making the final `doit()` call.
Respective methods will be called to provide progress information, as well as determine whether the system should
retry on failure.
The [delegate trait](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Delegate.html) is default-implemented, allowing you to customize it with minimal effort.
## Optional Parts in Server-Requests
All structures provided by this library are made to be [enocodable](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.RequestValue.html) and
[decodable](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.ResponseResult.html) via *json*. Optionals are used to indicate that partial requests are responses
are valid.
Most optionals are are considered [Parts](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.Part.html) which are identifiable by name, which will be sent to
the server to indicate either the set parts of the request or the desired parts in the response.
## Builder Arguments
Using [method builders](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.CallBuilder.html), you are able to prepare an action call by repeatedly calling it's methods.
These will always take a single argument, for which the following statements are true.
* [PODs][wiki-pod] are handed by copy
* strings are passed as `&str`
* [request values](https://docs.rs/google-accesscontextmanager1/1.0.13+20200405/google_accesscontextmanager1/trait.RequestValue.html) are moved
Arguments will always be copied or cloned into the builder, to make them independent of their original life times.
[wiki-pod]: http://en.wikipedia.org/wiki/Plain_old_data_structure
[builder-pattern]: http://en.wikipedia.org/wiki/Builder_pattern
[google-go-api]: https://github.com/google/google-api-go-client
# License
The **accesscontextmanager1** library was generated by Sebastian Thiel, and is placed
under the *MIT* license.
You can read the full text at the repository's [license file][repo-license].
[repo-license]: https://github.com/Byron/google-apis-rsblob/master/LICENSE.md