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<title>Priorities (jakarta.ws.rs-api 2.1.6 API)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">javax.ws.rs</a></div>
<h2 title="Class Priorities" class="title">Class Priorities</h2>
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<pre>public final class <span class="typeNameLabel">Priorities</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre>
<div class="block">A collection of built-in priority constants for the components that are supposed to be
ordered based on their <code>javax.annotation.Priority</code> class-level annotation value when used
or applied by the runtime.
<p>
For example, filters and interceptors are grouped in chains for each of the message
processing extension points: Pre, PreMatch, Post as well as ReadFrom and WriteTo.
Each of these chains is sorted based on priorities which are represented as integer numbers.
All chains, except Post, are sorted in ascending order; the lower the number the higher the priority.
The Post filter chain is sorted in descending order to ensure that response filters are executed in
<em>reverse order</em>.
</p>
<p>
Components that belong to the same priority class (same integer value) are executed in an
implementation-defined manner. By default, when the <code>@Priority</code> annotation is absent on a component,
for which a priority should be applied, the <a href="#USER"><code>USER</code></a> priority value is used.
</p></div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Marek Potociar (marek.potociar at oracle.com)</dd>
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<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#AUTHENTICATION">AUTHENTICATION</a></span></code></th>
<td class="colLast">
<div class="block">Security authentication filter/interceptor priority.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#AUTHORIZATION">AUTHORIZATION</a></span></code></th>
<td class="colLast">
<div class="block">Security authorization filter/interceptor priority.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ENTITY_CODER">ENTITY_CODER</a></span></code></th>
<td class="colLast">
<div class="block">Message encoder or decoder filter/interceptor priority.</div>
</td>
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<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#HEADER_DECORATOR">HEADER_DECORATOR</a></span></code></th>
<td class="colLast">
<div class="block">Header decorator filter/interceptor priority.</div>
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<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#USER">USER</a></span></code></th>
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<div class="block">User-level filter/interceptor priority.</div>
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<h4>AUTHENTICATION</h4>
<pre>public static final&nbsp;int AUTHENTICATION</pre>
<div class="block">Security authentication filter/interceptor priority.</div>
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<dd><a href="../../../constant-values.html#javax.ws.rs.Priorities.AUTHENTICATION">Constant Field Values</a></dd>
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<h4>AUTHORIZATION</h4>
<pre>public static final&nbsp;int AUTHORIZATION</pre>
<div class="block">Security authorization filter/interceptor priority.</div>
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<pre>public static final&nbsp;int HEADER_DECORATOR</pre>
<div class="block">Header decorator filter/interceptor priority.</div>
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<pre>public static final&nbsp;int ENTITY_CODER</pre>
<div class="block">Message encoder or decoder filter/interceptor priority.</div>
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<h4>USER</h4>
<pre>public static final&nbsp;int USER</pre>
<div class="block">User-level filter/interceptor priority.
This value is also used as a default priority for application-supplied providers.</div>
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