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<div class="subTitle">javax.ws.rs.core</div>
<h2 title="Class Application" class="title">Class Application</h2>
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<li>java.lang.Object</li>
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<li>javax.ws.rs.core.Application</li>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/openejb/config/AnnotationDeployer.ProvidedJAXRSApplication.html" title="class in org.apache.openejb.config">AnnotationDeployer.ProvidedJAXRSApplication</a>, <a href="../../../../org/apache/openejb/server/rest/InternalApplication.html" title="class in org.apache.openejb.server.rest">InternalApplication</a></dd>
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<pre>public class <span class="typeNameLabel">Application</span>
extends java.lang.Object</pre>
<div class="block">Defines the components of an application and supplies additional
meta-data. An application or implementation supplies a concrete
subclass of this abstract class.
<p>
The implementation-created instance of an Application subclass may be
injected into resource classes and providers using
<a href="../../../../javax/ws/rs/core/Context.html" title="annotation in javax.ws.rs.core"><code>Context</code></a>.
</p>
<p>
In case any of the <code>Application</code> subclass methods or it's constructor
throws a <code>RuntimeException</code>, the deployment of the application SHOULD
be aborted with a failure.
</p></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.0</dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/core/Application.html#Application--">Application</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>java.util.Set&lt;java.lang.Class&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/core/Application.html#getClasses--">getClasses</a></span>()</code>
<div class="block">Get a set of root resource, provider and <a href="../../../../javax/ws/rs/core/Feature.html" title="interface in javax.ws.rs.core"><code>feature</code></a> classes.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.util.Map&lt;java.lang.String,java.lang.Object&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/core/Application.html#getProperties--">getProperties</a></span>()</code>
<div class="block">Get a map of custom application-wide properties.</div>
</td>
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<td class="colFirst"><code>java.util.Set&lt;java.lang.Object&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/ws/rs/core/Application.html#getSingletons--">getSingletons</a></span>()</code>
<div class="block">Get a set of root resource, provider and <a href="../../../../javax/ws/rs/core/Feature.html" title="interface in javax.ws.rs.core"><code>feature</code></a> instances.</div>
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<h4>Application</h4>
<pre>public&nbsp;Application()</pre>
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<pre>public&nbsp;java.util.Set&lt;java.lang.Class&lt;?&gt;&gt;&nbsp;getClasses()</pre>
<div class="block">Get a set of root resource, provider and <a href="../../../../javax/ws/rs/core/Feature.html" title="interface in javax.ws.rs.core"><code>feature</code></a> classes.
The default life-cycle for resource class instances is per-request. The default
life-cycle for providers (registered directly or via a feature) is singleton.
<p>
Implementations should warn about and ignore classes that do not
conform to the requirements of root resource or provider/feature classes.
Implementations should warn about and ignore classes for which
<a href="../../../../javax/ws/rs/core/Application.html#getSingletons--"><code>getSingletons()</code></a> returns an instance. Implementations MUST
NOT modify the returned set.
</p>
<p>
The default implementation returns an empty set.
</p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a set of root resource and provider classes. Returning <code>null</code>
is equivalent to returning an empty set.</dd>
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<h4>getSingletons</h4>
<pre>public&nbsp;java.util.Set&lt;java.lang.Object&gt;&nbsp;getSingletons()</pre>
<div class="block">Get a set of root resource, provider and <a href="../../../../javax/ws/rs/core/Feature.html" title="interface in javax.ws.rs.core"><code>feature</code></a> instances.
Fields and properties of returned instances are injected with their declared
dependencies (see <a href="../../../../javax/ws/rs/core/Context.html" title="annotation in javax.ws.rs.core"><code>Context</code></a>) by the runtime prior to use.
<p>
Implementations should warn about and ignore classes that do not
conform to the requirements of root resource or provider classes.
Implementations should flag an error if the returned set includes
more than one instance of the same class. Implementations MUST
NOT modify the returned set.
</p>
<p>
The default implementation returns an empty set.
</p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a set of root resource and provider instances. Returning <code>null</code>
is equivalent to returning an empty set.</dd>
</dl>
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<h4>getProperties</h4>
<pre>public&nbsp;java.util.Map&lt;java.lang.String,java.lang.Object&gt;&nbsp;getProperties()</pre>
<div class="block">Get a map of custom application-wide properties.
<p>
The returned properties are reflected in the application <a href="../../../../javax/ws/rs/core/Configuration.html" title="interface in javax.ws.rs.core"><code>configuration</code></a>
passed to the server-side features or injected into server-side components.
</p>
<p>
The set of returned properties may be further extended or customized at deployment time
using container-specific features and deployment descriptors. For example, in a Servlet-based
deployment scenario, web application's <code>&lt;context-param&gt;</code> and Servlet <code>&lt;init-param&gt;</code>
values may be used to extend or override values of the properties programmatically returned
by this method.
</p>
<p>
The default implementation returns an empty set.
</p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a map of custom application-wide properties. Returning <code>null</code>
is equivalent to returning an empty set.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
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