372 lines
13 KiB
HTML
372 lines
13 KiB
HTML
<!doctype html>
|
|
<html class="no-js" lang="">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<meta http-equiv="x-ua-compatible" content="ie=edge">
|
|
<title>CICADA</title>
|
|
<meta name="description" content="">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
|
|
<link rel="icon" type="image/x-icon" href="../images/favicon.ico">
|
|
<link rel="stylesheet" href="../styles/style.css">
|
|
</head>
|
|
<body>
|
|
|
|
<div class="navbar navbar-default navbar-fixed-top visible-xs">
|
|
<a href="../" class="navbar-brand">CICADA</a>
|
|
<button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button>
|
|
</div>
|
|
|
|
<div class="xs-menu menu" id="mobile-menu">
|
|
<div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu>
|
|
</div>
|
|
|
|
<div class="container-fluid main">
|
|
<div class="row main">
|
|
<div class="hidden-xs menu">
|
|
<compodoc-menu mode="normal"></compodoc-menu>
|
|
</div>
|
|
<!-- START CONTENT -->
|
|
<div class="content interceptor">
|
|
<div class="content-data">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<ol class="breadcrumb">
|
|
<li>Interceptors</li>
|
|
<li>ConnectionInterceptor</li>
|
|
</ol>
|
|
|
|
<ul class="nav nav-tabs" role="tablist">
|
|
<li class="active">
|
|
<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
|
|
</li>
|
|
<li >
|
|
<a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
|
|
</li>
|
|
</ul>
|
|
|
|
<div class="tab-content">
|
|
<div class="tab-pane fade active in" id="c-info">
|
|
<p class="comment">
|
|
<h3>File</h3>
|
|
</p>
|
|
<p class="comment">
|
|
<code>src/app/_interceptors/connection.interceptor.ts</code>
|
|
</p>
|
|
|
|
<p class="comment">
|
|
<h3>Description</h3>
|
|
</p>
|
|
<p class="comment">
|
|
<p>Intercepts and handles of events from outgoing HTTP request. </p>
|
|
|
|
</p>
|
|
|
|
|
|
<section>
|
|
<h3 id="index">Index</h3>
|
|
<table class="table table-sm table-bordered index-table">
|
|
<tbody>
|
|
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<h6><b>Methods</b></h6>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<ul class="index-list">
|
|
<li>
|
|
<a href="#intercept">intercept</a>
|
|
</li>
|
|
</ul>
|
|
</td>
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
|
|
<section>
|
|
<h3 id="constructor">Constructor</h3>
|
|
<table class="table table-sm table-bordered">
|
|
<tbody>
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<code>constructor(loggingService: <a href="../injectables/LoggingService.html">LoggingService</a>)</code>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<div class="io-line">Defined in <a href="" data-line="14" class="link-to-prism">src/app/_interceptors/connection.interceptor.ts:14</a></div>
|
|
</td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<div class="io-description"><p>Initialization of the connection interceptor.</p>
|
|
</div>
|
|
<div>
|
|
<b>Parameters :</b>
|
|
<table class="params">
|
|
<thead>
|
|
<tr>
|
|
<td>Name</td>
|
|
<td>Type</td>
|
|
<td>Optional</td>
|
|
<td>Description</td>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>loggingService</td>
|
|
|
|
<td>
|
|
<code><a href="../injectables/LoggingService.html" target="_self" >LoggingService</a></code>
|
|
</td>
|
|
|
|
<td>
|
|
No
|
|
</td>
|
|
|
|
<td>
|
|
<code><ul>
|
|
<li>A service that provides logging capabilities.</li>
|
|
</ul>
|
|
</code>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
|
|
<section>
|
|
|
|
<h3 id="methods">
|
|
Methods
|
|
</h3>
|
|
<table class="table table-sm table-bordered">
|
|
<tbody>
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<a name="intercept"></a>
|
|
<span class="name">
|
|
<b>
|
|
intercept
|
|
</b>
|
|
<a href="#intercept"><span class="icon ion-ios-link"></span></a>
|
|
</span>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<code>intercept(request: HttpRequest<unknown>, next: <a href="https://angular.io/api/common/http/HttpHandler" target="_blank">HttpHandler</a>)</code>
|
|
</td>
|
|
</tr>
|
|
|
|
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<div class="io-line">Defined in <a href="" data-line="29"
|
|
class="link-to-prism">src/app/_interceptors/connection.interceptor.ts:29</a></div>
|
|
</td>
|
|
</tr>
|
|
|
|
|
|
<tr>
|
|
<td class="col-md-4">
|
|
<div class="io-description"><p>Intercepts HTTP requests.</p>
|
|
</div>
|
|
|
|
<div class="io-description">
|
|
<b>Parameters :</b>
|
|
<table class="params">
|
|
<thead>
|
|
<tr>
|
|
<td>Name</td>
|
|
<td>Type</td>
|
|
<td>Optional</td>
|
|
<td>Description</td>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
<tr>
|
|
<td>request</td>
|
|
<td>
|
|
<code>HttpRequest<unknown></code>
|
|
</td>
|
|
|
|
<td>
|
|
No
|
|
</td>
|
|
|
|
|
|
<td>
|
|
<ul>
|
|
<li>An outgoing HTTP request with an optional typed body.</li>
|
|
</ul>
|
|
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>next</td>
|
|
<td>
|
|
<code><a href="https://angular.io/api/common/http/HttpHandler" target="_blank" >HttpHandler</a></code>
|
|
</td>
|
|
|
|
<td>
|
|
No
|
|
</td>
|
|
|
|
|
|
<td>
|
|
<ul>
|
|
<li>The next HTTP handler or the outgoing request dispatcher.</li>
|
|
</ul>
|
|
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<div>
|
|
</div>
|
|
<div class="io-description">
|
|
<b>Returns : </b> <code>Observable<HttpEvent<unknown>></code>
|
|
|
|
</div>
|
|
<div class="io-description">
|
|
<p>The forwarded request.</p>
|
|
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</section>
|
|
|
|
</div>
|
|
|
|
|
|
<div class="tab-pane fade tab-source-code" id="c-source">
|
|
<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
|
|
import { Injectable } from '@angular/core';
|
|
|
|
// Third party imports
|
|
import { Observable } from 'rxjs';
|
|
|
|
// Application imports
|
|
import { LoggingService } from '@app/_services/logging.service';
|
|
import { checkOnlineStatus } from '@app/_helpers';
|
|
|
|
/** Intercepts and handles of events from outgoing HTTP request. */
|
|
@Injectable()
|
|
export class ConnectionInterceptor implements HttpInterceptor {
|
|
/**
|
|
* Initialization of the connection interceptor.
|
|
*
|
|
* @param loggingService - A service that provides logging capabilities.
|
|
*/
|
|
constructor(private loggingService: LoggingService) {}
|
|
|
|
/**
|
|
* Intercepts HTTP requests.
|
|
*
|
|
* @param request - An outgoing HTTP request with an optional typed body.
|
|
* @param next - The next HTTP handler or the outgoing request dispatcher.
|
|
* @returns The forwarded request.
|
|
*/
|
|
intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
|
|
checkOnlineStatus().then((online) => {
|
|
if (!online) {
|
|
this.loggingService.sendErrorLevelMessage('No internet connection on device!', this, {
|
|
error: `NetworkError when attempting to fetch resource ${request.url}.`,
|
|
});
|
|
return;
|
|
} else {
|
|
return next.handle(request);
|
|
}
|
|
});
|
|
return next.handle(request);
|
|
}
|
|
}
|
|
</code></pre>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</div><div class="search-results">
|
|
<div class="has-results">
|
|
<h1 class="search-results-title"><span class='search-results-count'></span> result-matching "<span class='search-query'></span>"</h1>
|
|
<ul class="search-results-list"></ul>
|
|
</div>
|
|
<div class="no-results">
|
|
<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<!-- END CONTENT -->
|
|
</div>
|
|
</div>
|
|
|
|
<script>
|
|
var COMPODOC_CURRENT_PAGE_DEPTH = 1;
|
|
var COMPODOC_CURRENT_PAGE_CONTEXT = 'interceptor';
|
|
var COMPODOC_CURRENT_PAGE_URL = 'ConnectionInterceptor.html';
|
|
var MAX_SEARCH_RESULTS = 15;
|
|
</script>
|
|
|
|
<script src="../js/libs/custom-elements.min.js"></script>
|
|
<script src="../js/libs/lit-html.js"></script>
|
|
<!-- Required to polyfill modern browsers as code is ES5 for IE... -->
|
|
<script src="../js/libs/custom-elements-es5-adapter.js" charset="utf-8" defer></script>
|
|
<script src="../js/menu-wc.js" defer></script>
|
|
|
|
<script src="../js/libs/bootstrap-native.js"></script>
|
|
|
|
<script src="../js/libs/es6-shim.min.js"></script>
|
|
<script src="../js/libs/EventDispatcher.js"></script>
|
|
<script src="../js/libs/promise.min.js"></script>
|
|
<script src="../js/libs/zepto.min.js"></script>
|
|
|
|
<script src="../js/compodoc.js"></script>
|
|
|
|
<script src="../js/tabs.js"></script>
|
|
<script src="../js/menu.js"></script>
|
|
<script src="../js/libs/clipboard.min.js"></script>
|
|
<script src="../js/libs/prism.js"></script>
|
|
<script src="../js/sourceCode.js"></script>
|
|
<script src="../js/search/search.js"></script>
|
|
<script src="../js/search/lunr.min.js"></script>
|
|
<script src="../js/search/search-lunr.js"></script>
|
|
<script src="../js/search/search_index.js"></script>
|
|
<script src="../js/lazy-load-graphs.js"></script>
|
|
|
|
|
|
</body>
|
|
</html>
|