DLCS Angular HttpClient Provider

!status

Resource provider for Angular HttpClient.

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| Name | Default value | Usage |
|-|:-|:-|
| ``server.address` | `''` | Default server address from `remote` protocol |
| `server.responseType` | `'json'` | Default response type |
| `server.contentType` | `'application/json'` | Default content type |
| `assets.address` | `''` | Default address from `assets` protocol |

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* `remote` for access default server defined in Configuration.
* `assets` for access staic files defined in Configuration.
* `http` for access http address.
* `https` for access https address.

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| Name | Default value | Description |
|-|:-|:-|
| `responseType` | Set by configuration | Respnse type |
| `contentType` | Set by configuration | Content type |
| `method` | `XHRMethod.GET` | Request http method. |
| `headers` | `undefined` | Extra headers |
| `querys` | `undefined` | URL query parameters |
| `body` | `undefined` | Request body, only affects POST/PUT/PATCH |
| `timeout` | `undefined` | Request timeout, do not set this value or set to `0` to disable timeout. |

Structure defined as AngularHttpRequestParams.

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| Protocol | Asynchronized | Synchronized | Request | Submit | Delete |
|-|:-:|:-:|:-:|:-:|:-:|
| remote | √ | × | √ | √ | √ |
| assets | √ | × | √ | × | × |
| http | √ | × | √ | √ | √ |
| https | √ | × | √ | √ | √ |

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| Timepoint | Data structure | Data description | Request method |
|-|:-|:-|:-|
| BeforeSend | `AngularHttpRequestData` | Request parameters | Request/Submit/Delete |
| AfterSent | `Observable` | Response from HttpClient | Request/Submit/Delete |

See AngularHttpRequestData's definition.

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`typescript
resourceManager.registerProtocol(new AngularHttpProtocol(this.httpClient)); // Angular HttpClient from Angular DI
// Request data
resourceManager.request.to(http://www.google.com).tag('google').send();
// Request using default server
http.config.server.address = 'http://www.a.org';
resourceManager.request.to(remote:///test.txt).tag('test').send();
// Request static file
http.config.assets.address = '/assets';
resourceManager.request.to(assets:///test.txt).tag('test_local').send();
// POST data
resourceManager.request.to(http://www.test.org).param({ method: XHRMethod.POST }).tag('google').send();
``