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<title>83.&nbsp;Discovery</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud.html" title="Spring Cloud"><link rel="up" href="multi__spring_cloud_for_cloud_foundry.html" title="Part&nbsp;XII.&nbsp;Spring Cloud for Cloud Foundry"><link rel="prev" href="multi__spring_cloud_for_cloud_foundry.html" title="Part&nbsp;XII.&nbsp;Spring Cloud for Cloud Foundry"><link rel="next" href="multi__single_sign_on_2.html" title="84.&nbsp;Single Sign On"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">83.&nbsp;Discovery</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__spring_cloud_for_cloud_foundry.html">Prev</a>&nbsp;</td><th width="60%" align="center">Part&nbsp;XII.&nbsp;Spring Cloud for Cloud Foundry</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="multi__single_sign_on_2.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a name="_discovery" href="#_discovery"></a>83.&nbsp;Discovery</h2></div></div></div><p>Here&#8217;s a Spring Cloud app with Cloud Foundry discovery:</p><p><b>app.groovy.&nbsp;</b>
</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Grab('org.springframework.cloud:spring-cloud-cloudfoundry')</span></em>
<em><span class="hl-annotation" style="color: gray">@RestController</span></em>
<em><span class="hl-annotation" style="color: gray">@EnableDiscoveryClient</span></em>
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> Application {
<em><span class="hl-annotation" style="color: gray">@Autowired</span></em>
DiscoveryClient client
<em><span class="hl-annotation" style="color: gray">@RequestMapping('/')</span></em>
String home() {
<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">'Hello from '</span> + client.getLocalServiceInstance()
}
}</pre><p>
</p><p>If you run it without any service bindings:</p><pre class="screen">$ spring jar app.jar app.groovy
$ cf push -p app.jar</pre><p>It will show its app name in the home page.</p><p>The <code class="literal">DiscoveryClient</code> can lists all the apps in a space, according to
the credentials it is authenticated with, where the space defaults to
the one the client is running in (if any). If neither org nor space
are configured, they default per the user&#8217;s profile in Cloud Foundry.</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi__spring_cloud_for_cloud_foundry.html">Prev</a>&nbsp;</td><td width="20%" align="center"><a accesskey="u" href="multi__spring_cloud_for_cloud_foundry.html">Up</a></td><td width="40%" align="right">&nbsp;<a accesskey="n" href="multi__single_sign_on_2.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Part&nbsp;XII.&nbsp;Spring Cloud for Cloud Foundry&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;84.&nbsp;Single Sign On</td></tr></table></div></body></html>