HttpStatus/docs/README.html

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<title>HttpStatus JSP Tag Library</title>
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<h1 id="httpstatus-jsp-tag-library">HttpStatus JSP Tag Library</h1>
<p><a href="https://github.com/ethauvin/httpstatus/releases/latest"><img
src="https://img.shields.io/github/release/ethauvin/httpstatus.svg"
alt="Release" /></a> <a
href="https://search.maven.org/search?q=g:%22net.thauvin.erik.httpstatus%22%20AND%20a:%22httpstatus%22"><img
src="https://img.shields.io/maven-central/v/net.thauvin.erik.httpstatus/httpstatus.svg?label=maven%20central"
alt="Maven Central" /></a><br />
<a href="http://opensource.org/licenses/BSD-3-Clause"><img
src="https://img.shields.io/badge/license-BSD%203--Clause-blue.svg?style=flat-square"
alt="License (3-Clause BSD)" /></a> <a
href="https://snyk.io/test/github/ethauvin/httpstatus?targetFile=build.gradle"><img
src="https://snyk.io/test/github/ethauvin/httpstatus/badge.svg?targetFile=build.gradle"
alt="Known Vulnerabilities" /></a> <a
href="https://sonarcloud.io/dashboard?id=ethauvin_HttpStatus"><img
src="https://sonarcloud.io/api/project_badges/measure?project=ethauvin_HttpStatus&amp;metric=alert_status"
alt="Quality Gate Status" /></a><br />
<a
href="https://github.com/ethauvin/httpstatus/actions/workflows/gradle.yml"><img
src="https://github.com/ethauvin/httpstatus/actions/workflows/gradle.yml/badge.svg"
alt="GitHub CI" /></a> <a
href="https://ci.appveyor.com/project/ethauvin/httpstatus"><img
src="https://ci.appveyor.com/api/projects/status/w5j4kul3w2rkigxb?svg=true"
alt="Build status" /></a> <a
href="https://circleci.com/gh/ethauvin/HttpStatus/tree/master"><img
src="https://circleci.com/gh/ethauvin/HttpStatus/tree/master.svg?style=shield"
alt="CircleCI" /></a></p>
<p>A simple <a
href="http://www.oracle.com/technetwork/java/javaee/jsp/index.html">JSP</a>
Tag Library to display the <a href="#hscode">code</a>, <a
href="#hsreason">reason</a>, <a href="#hscode">cause</a> and/or <a
href="#hsmessage">message</a> for <a
href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html">HTTP
status codes</a> in JSP error pages.</p>
<p>For example:</p>
<div class="sourceCode" id="cb1"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;%@ page</span><span class="ot"> isErrorPage</span>=<span class="st">&quot;true&quot;</span><span class="ot"> </span><span class="bu">%&gt;</span></span>
<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;%@ taglib</span><span class="ot"> prefix</span>=<span class="st">&quot;hs&quot;</span><span class="ot"> uri</span>=<span class="st">&quot;http://erik.thauvin.net/taglibs/httpstatus&quot;</span><span class="ot"> </span><span class="bu">%&gt;</span></span>
<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a>&lt;html&gt;&lt;head&gt;</span>
<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a>&lt;title&gt;<span class="kw">&lt;hs:code/&gt;</span> <span class="kw">&lt;hs:reason</span><span class="ot"> default</span>=<span class="dt">&quot;Server Error&quot;</span><span class="kw">/&gt;</span>&lt;/title&gt;</span>
<span id="cb1-5"><a href="#cb1-5" aria-hidden="true" tabindex="-1"></a>&lt;/head&gt;</span>
<span id="cb1-6"><a href="#cb1-6" aria-hidden="true" tabindex="-1"></a>&lt;h1&gt;<span class="kw">&lt;hs:reason</span><span class="ot"> default</span>=<span class="dt">&quot;Server Error&quot;</span><span class="kw">/&gt;</span>&lt;/h1&gt;</span>
<span id="cb1-7"><a href="#cb1-7" aria-hidden="true" tabindex="-1"></a>Cause: &lt;pre&gt;<span class="kw">&lt;hs:cause</span><span class="ot"> default</span>=<span class="dt">&quot;Unable to complete your request.&quot;</span><span class="kw">/&gt;</span>&lt;/pre&gt;</span>
<span id="cb1-8"><a href="#cb1-8" aria-hidden="true" tabindex="-1"></a>Message: &lt;pre&gt;<span class="kw">&lt;hs:message</span><span class="ot"> default</span>=<span class="dt">&quot;A server error has occured.&quot;</span><span class="kw">/&gt;</span>&lt;/pre&gt;</span>
<span id="cb1-9"><a href="#cb1-9" aria-hidden="true" tabindex="-1"></a>...</span></code></pre></div>
<p>or</p>
<div class="sourceCode" id="cb2"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;%@ page</span><span class="ot"> isErrorPage</span>=<span class="st">&quot;true&quot;</span><span class="ot"> import</span>=<span class="st">&quot;net.thauvin.erik.httpstatus.Reasons&quot;</span><span class="ot"> </span><span class="bu">%&gt;</span></span>
<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="pp">&lt;%=</span> Reasons<span class="op">.</span><span class="fu">getReasonPhrase</span><span class="op">(</span>pageContext<span class="op">.</span><span class="fu">getErrorData</span><span class="op">().</span><span class="fu">getStatusCode</span><span class="op">())</span> <span class="pp">%&gt;</span></span></code></pre></div>
<p>would display on a <a
href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.2">501
status code</a>:</p>
<pre><code>Not Implemented</code></pre>
<h2 id="usage-with-gradle-or-maven">Usage with <a
href="https://gradle.org/">Gradle</a> or <a
href="http://maven.apache.org/">Maven</a></h2>
<p>Include the following in your <code>build.gradle</code> file:</p>
<div class="sourceCode" id="cb4"><pre
class="sourceCode gradle"><code class="sourceCode groovy"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a>dependencies <span class="op">{</span></span>
<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a> implementation <span class="st">&#39;net.thauvin.erik.httpstatus:httpstatus:1.1.0&#39;</span></span>
<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="op">}</span></span></code></pre></div>
<p>or as a Maven artifact:</p>
<div class="sourceCode" id="cb5"><pre
class="sourceCode xml"><code class="sourceCode xml"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a>&lt;<span class="kw">dependency</span>&gt;</span>
<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a> &lt;<span class="kw">groupId</span>&gt;net.thauvin.erik.httpstatus&lt;/<span class="kw">groupId</span>&gt;</span>
<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a> &lt;<span class="kw">artifactId</span>&gt;httpstatus&lt;/<span class="kw">artifactId</span>&gt;</span>
<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a> &lt;<span class="kw">version</span>&gt;1.1.0&lt;/<span class="kw">version</span>&gt;</span>
<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a>&lt;/<span class="kw">dependency</span>&gt;</span></code></pre></div>
<h2 id="hscause">hs:cause</h2>
<p>The <code>&lt;hs:cause/&gt;</code> tag displays the cause of current
HTTP status code, if any. A shorthand for:</p>
<div class="sourceCode" id="cb6"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="pp">&lt;%=</span> pageContext<span class="op">.</span><span class="fu">getErrorData</span><span class="op">().</span><span class="fu">getThrowable</span><span class="op">().</span><span class="fu">getCause</span><span class="op">().</span><span class="fu">getLocalizedMessage</span><span class="op">()</span> <span class="pp">%&gt;</span></span></code></pre></div>
<p>Optional attributes are:</p>
<table>
<thead>
<tr class="header">
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>default</code></td>
<td>The fallback value to output, if no cause is available.</td>
</tr>
<tr class="even">
<td><code>escapeXml</code></td>
<td>Converts &lt;, &gt;, &amp;, ', " to their corresponding <a
href="http://dev.w3.org/html5/html-author/charref">entity codes</a>.
Value is <code>true</code> by default.</td>
</tr>
</tbody>
</table>
<h2 id="hscode">hs:code</h2>
<p>The <code>&lt;hs:code/&gt;</code> tag displays the current HTTP
status code, if any. A shorthand for:</p>
<div class="sourceCode" id="cb7"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="pp">&lt;%=</span> pageContext<span class="op">.</span><span class="fu">getErrorData</span><span class="op">().</span><span class="fu">getStatusCode</span><span class="op">()</span> <span class="pp">%&gt;</span></span></code></pre></div>
<h2 id="hsmessage">hs:message</h2>
<p>The <code>&lt;hs:message/&gt;</code> tag displays the current error
message, if any. A shorthand for:</p>
<div class="sourceCode" id="cb8"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="pp">&lt;%=</span> request<span class="op">.</span><span class="fu">getAttribute</span><span class="op">(</span><span class="st">&quot;javax.servlet.error.message&quot;</span><span class="op">)</span> <span class="pp">%&gt;</span></span></code></pre></div>
<p>Optional attributes are:</p>
<table>
<thead>
<tr class="header">
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>default</code></td>
<td>The fallback value to output, if no error message is available.</td>
</tr>
<tr class="even">
<td><code>escapeXml</code></td>
<td>Converts &lt;, &gt;, &amp;, ', " to their corresponding <a
href="http://dev.w3.org/html5/html-author/charref">entity codes</a>.
Value is <code>true</code> by default.</td>
</tr>
</tbody>
</table>
<h2 id="hsreason">hs:reason</h2>
<p>The <code>&lt;hs:reason/&gt;</code> tag displays the reason for a
HTTP status code, if any. Optional attributes are:</p>
<table>
<thead>
<tr class="header">
<th>Attribute</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>code</code></td>
<td>The HTTP status error code. If not specified the current status code
is used.</td>
</tr>
<tr class="even">
<td><code>default</code></td>
<td>The fallback value to output, if no reason is available.</td>
</tr>
<tr class="odd">
<td><code>escapeXml</code></td>
<td>Converts &lt;, &gt;, &amp;, ', " to their corresponding <a
href="http://dev.w3.org/html5/html-author/charref">entity codes</a>.
Value is <code>true</code> by default.</td>
</tr>
</tbody>
</table>
<h2 id="statuscode-bean">StatusCode Bean</h2>
<p>The <code>StatusCode</code> bean can be used to check the class of
the status code error. For example, using the JSTL:</p>
<div class="sourceCode" id="cb9"><pre
class="sourceCode jsp"><code class="sourceCode jsp"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;%@ taglib</span><span class="ot"> prefix</span>=<span class="st">&quot;hs&quot;</span><span class="ot"> uri</span>=<span class="st">&quot;http://erik.thauvin.net/taglibs/httpstatus&quot;</span><span class="ot"> </span><span class="bu">%&gt;</span></span>
<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;%@ taglib</span><span class="ot"> prefix</span>=<span class="st">&quot;c&quot;</span><span class="ot"> uri</span>=<span class="st">&quot;http://java.sun.com/jsp/jstl/core&quot;</span><span class="ot"> </span><span class="bu">%&gt;</span></span>
<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="bu">&lt;jsp:useBean</span><span class="ot"> id</span>=<span class="st">&quot;statusCode&quot;</span><span class="ot"> class</span>=<span class="st">&quot;net.thauvin.erik.httpstatus.StatusCode&quot;</span><span class="bu">/&gt;</span></span>
<span id="cb9-5"><a href="#cb9-5" aria-hidden="true" tabindex="-1"></a><span class="kw">&lt;c:set</span><span class="ot"> target</span>=<span class="dt">&quot;</span><span class="pp">${</span>statusCode<span class="pp">}</span><span class="dt">&quot;</span><span class="ot"> property</span>=<span class="dt">&quot;code&quot;</span><span class="kw">&gt;&lt;hs:code/&gt;&lt;/c:set&gt;</span></span>
<span id="cb9-6"><a href="#cb9-6" aria-hidden="true" tabindex="-1"></a><span class="kw">&lt;c:choose&gt;</span></span>
<span id="cb9-7"><a href="#cb9-7" aria-hidden="true" tabindex="-1"></a> <span class="kw">&lt;c:when</span><span class="ot"> test</span>=<span class="dt">&quot;</span><span class="pp">${</span>statusCode<span class="op">.</span><span class="fu">isClientError</span><span class="op">()</span><span class="pp">}</span><span class="dt">&quot;</span><span class="kw">&gt;</span></span>
<span id="cb9-8"><a href="#cb9-8" aria-hidden="true" tabindex="-1"></a> An error occurred on your side. (<span class="kw">&lt;hs:reason/&gt;</span>)</span>
<span id="cb9-9"><a href="#cb9-9" aria-hidden="true" tabindex="-1"></a> <span class="kw">&lt;/c:when&gt;</span></span>
<span id="cb9-10"><a href="#cb9-10" aria-hidden="true" tabindex="-1"></a> <span class="kw">&lt;c:otherwise&gt;</span></span>
<span id="cb9-11"><a href="#cb9-11" aria-hidden="true" tabindex="-1"></a> An error occurred on our side. (<span class="kw">&lt;hs:message/&gt;</span>)</span>
<span id="cb9-12"><a href="#cb9-12" aria-hidden="true" tabindex="-1"></a> <span class="kw">&lt;/c:otherwise&gt;</span></span>
<span id="cb9-13"><a href="#cb9-13" aria-hidden="true" tabindex="-1"></a><span class="kw">&lt;/c:choose&gt;</span></span></code></pre></div>
<p>or in a Servlet:</p>
<div class="sourceCode" id="cb10"><pre
class="sourceCode java"><code class="sourceCode java"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">import</span> <span class="im">net</span><span class="op">.</span><span class="im">thauvin</span><span class="op">.</span><span class="im">erik</span><span class="op">.</span><span class="im">httpstatus</span><span class="op">.</span><span class="im">StatusCode</span><span class="op">;</span></span>
<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="co">// ---</span></span>
<span id="cb10-4"><a href="#cb10-4" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb10-5"><a href="#cb10-5" aria-hidden="true" tabindex="-1"></a>StatusCode statusCode <span class="op">=</span> <span class="kw">new</span> <span class="fu">StatusCode</span><span class="op">((</span><span class="bu">Integer</span><span class="op">)</span> request<span class="op">.</span><span class="fu">getAttribute</span><span class="op">(</span><span class="st">&quot;javax.servlet.error.status_code&quot;</span><span class="op">));</span></span>
<span id="cb10-6"><a href="#cb10-6" aria-hidden="true" tabindex="-1"></a><span class="cf">if</span> <span class="op">(</span>statusCode<span class="op">.</span><span class="fu">isError</span><span class="op">())</span> <span class="op">{</span></span>
<span id="cb10-7"><a href="#cb10-7" aria-hidden="true" tabindex="-1"></a> <span class="cf">if</span> <span class="op">(</span>statusCode<span class="op">.</span><span class="fu">isServerError</span><span class="op">())</span> <span class="op">{</span></span>
<span id="cb10-8"><a href="#cb10-8" aria-hidden="true" tabindex="-1"></a> <span class="bu">String</span> reason <span class="op">=</span> statusCode<span class="op">.</span><span class="fu">getReason</span><span class="op">();</span></span>
<span id="cb10-9"><a href="#cb10-9" aria-hidden="true" tabindex="-1"></a> <span class="op">}</span> <span class="cf">else</span> <span class="op">{</span></span>
<span id="cb10-10"><a href="#cb10-10" aria-hidden="true" tabindex="-1"></a> <span class="co">// ...</span></span>
<span id="cb10-11"><a href="#cb10-11" aria-hidden="true" tabindex="-1"></a> <span class="op">}</span></span>
<span id="cb10-12"><a href="#cb10-12" aria-hidden="true" tabindex="-1"></a><span class="op">}</span></span></code></pre></div>
<p>The <code>StatusCode</code> bean methods are:</p>
<table>
<thead>
<tr class="header">
<th>Method</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>getReason</code></td>
<td>Returns the reason for the status code (eg:
<code>Internal Server Error</code>)</td>
</tr>
<tr class="even">
<td><code>isClientError</code></td>
<td>Checks if the status code is a client error.</td>
</tr>
<tr class="odd">
<td><code>isError</code></td>
<td>Checks if the status code is a server or client error.</td>
</tr>
<tr class="even">
<td><code>isInfo</code></td>
<td>Checks if the status code is informational.</td>
</tr>
<tr class="odd">
<td><code>isRedirect</code></td>
<td>Checks if the status code is a redirect.</td>
</tr>
<tr class="even">
<td><code>isServerError</code></td>
<td>Checks if the status code is a server error.</td>
</tr>
<tr class="odd">
<td><code>isSuccess</code></td>
<td>Checks if the status code is a success. (<code>OK</code>)</td>
</tr>
<tr class="even">
<td><code>isValid</code></td>
<td>Checks if the status code is valid.</td>
</tr>
</tbody>
</table>
<h2 id="reasons">Reasons</h2>
<p>The reasons are defined in a <a
href="http://docs.oracle.com/javase/8/docs/api/java/util/ResourceBundle.html">ResourceBundle</a>
properties as follows:</p>
<table>
<thead>
<tr class="header">
<th>Status Code</th>
<th>Reason</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>100</code></td>
<td>Continue</td>
</tr>
<tr class="even">
<td><code>101</code></td>
<td>Switching Protocols</td>
</tr>
<tr class="odd">
<td><code>102</code></td>
<td>Processing</td>
</tr>
<tr class="even">
<td><code>103</code></td>
<td>Early Hints</td>
</tr>
<tr class="odd">
<td><code>200</code></td>
<td>OK</td>
</tr>
<tr class="even">
<td><code>201</code></td>
<td>Created</td>
</tr>
<tr class="odd">
<td><code>202</code></td>
<td>Accepted</td>
</tr>
<tr class="even">
<td><code>203</code></td>
<td>Non-Authoritative Information</td>
</tr>
<tr class="odd">
<td><code>204</code></td>
<td>No Content</td>
</tr>
<tr class="even">
<td><code>205</code></td>
<td>Reset Content</td>
</tr>
<tr class="odd">
<td><code>206</code></td>
<td>Partial Content</td>
</tr>
<tr class="even">
<td><code>207</code></td>
<td>Multi-Status</td>
</tr>
<tr class="odd">
<td><code>208</code></td>
<td>Already Reported</td>
</tr>
<tr class="even">
<td><code>218</code></td>
<td>This is fine</td>
</tr>
<tr class="odd">
<td><code>226</code></td>
<td>IM Used</td>
</tr>
<tr class="even">
<td><code>300</code></td>
<td>Multiple Choices</td>
</tr>
<tr class="odd">
<td><code>301</code></td>
<td>Moved Permanently</td>
</tr>
<tr class="even">
<td><code>302</code></td>
<td>Found/Moved Temporarily</td>
</tr>
<tr class="odd">
<td><code>303</code></td>
<td>See Other</td>
</tr>
<tr class="even">
<td><code>304</code></td>
<td>Not Modified</td>
</tr>
<tr class="odd">
<td><code>305</code></td>
<td>Use Proxy</td>
</tr>
<tr class="even">
<td><code>306</code></td>
<td>Switch Proxy</td>
</tr>
<tr class="odd">
<td><code>307</code></td>
<td>Temporary Redirect</td>
</tr>
<tr class="even">
<td><code>308</code></td>
<td>Permanent Redirect</td>
</tr>
<tr class="odd">
<td><code>400</code></td>
<td>Bad Request</td>
</tr>
<tr class="even">
<td><code>401</code></td>
<td>Unauthorized</td>
</tr>
<tr class="odd">
<td><code>402</code></td>
<td>Payment Required</td>
</tr>
<tr class="even">
<td><code>403</code></td>
<td>Forbidden</td>
</tr>
<tr class="odd">
<td><code>404</code></td>
<td>Not Found</td>
</tr>
<tr class="even">
<td><code>405</code></td>
<td>Method Not Allowed</td>
</tr>
<tr class="odd">
<td><code>406</code></td>
<td>Not Acceptable</td>
</tr>
<tr class="even">
<td><code>407</code></td>
<td>Proxy Authentication Required</td>
</tr>
<tr class="odd">
<td><code>408</code></td>
<td>Request Timeout</td>
</tr>
<tr class="even">
<td><code>409</code></td>
<td>Conflict</td>
</tr>
<tr class="odd">
<td><code>410</code></td>
<td>Gone</td>
</tr>
<tr class="even">
<td><code>411</code></td>
<td>Length Required</td>
</tr>
<tr class="odd">
<td><code>412</code></td>
<td>Precondition Failed</td>
</tr>
<tr class="even">
<td><code>413</code></td>
<td>Request Entity/Payload Too Large</td>
</tr>
<tr class="odd">
<td><code>414</code></td>
<td>Request-URI Too Long</td>
</tr>
<tr class="even">
<td><code>415</code></td>
<td>Unsupported Media Type</td>
</tr>
<tr class="odd">
<td><code>416</code></td>
<td>Requested Range Not Satisfiable</td>
</tr>
<tr class="even">
<td><code>417</code></td>
<td>Expectation Failed</td>
</tr>
<tr class="odd">
<td><code>418</code></td>
<td>I'm A Teapot</td>
</tr>
<tr class="even">
<td><code>419</code></td>
<td>Insufficient Space on Resource</td>
</tr>
<tr class="odd">
<td><code>420</code></td>
<td>Method Failure</td>
</tr>
<tr class="even">
<td><code>421</code></td>
<td>Misdirected Request</td>
</tr>
<tr class="odd">
<td><code>422</code></td>
<td>Unprocessable Entity</td>
</tr>
<tr class="even">
<td><code>423</code></td>
<td>Locked</td>
</tr>
<tr class="odd">
<td><code>424</code></td>
<td>Failed Dependency</td>
</tr>
<tr class="even">
<td><code>426</code></td>
<td>Upgrade Required</td>
</tr>
<tr class="odd">
<td><code>428</code></td>
<td>Precondition Required</td>
</tr>
<tr class="even">
<td><code>429</code></td>
<td>Too Many Requests</td>
</tr>
<tr class="odd">
<td><code>430</code></td>
<td>Request Header Fields Too Large</td>
</tr>
<tr class="even">
<td><code>431</code></td>
<td>Request Header Fields Too Large</td>
</tr>
<tr class="odd">
<td><code>440</code></td>
<td>Login Timeout</td>
</tr>
<tr class="even">
<td><code>444</code></td>
<td>No Response</td>
</tr>
<tr class="odd">
<td><code>449</code></td>
<td>Retry With</td>
</tr>
<tr class="even">
<td><code>450</code></td>
<td>Blocked by Windows Parental Controls</td>
</tr>
<tr class="odd">
<td><code>451</code></td>
<td>Unavailable For Legal Reasons</td>
</tr>
<tr class="even">
<td><code>460</code></td>
<td>Client Closed Connection Before Load Balancer Idle Timeout</td>
</tr>
<tr class="odd">
<td><code>463</code></td>
<td>X-Forwarded-For Header with More than 30 IP Addresses</td>
</tr>
<tr class="even">
<td><code>494</code></td>
<td>Request Header Too Large</td>
</tr>
<tr class="odd">
<td><code>495</code></td>
<td>SSL Certificate Error</td>
</tr>
<tr class="even">
<td><code>496</code></td>
<td>No SSL Certificate</td>
</tr>
<tr class="odd">
<td><code>497</code></td>
<td>HTTP Request Sent to HTTPS Port</td>
</tr>
<tr class="even">
<td><code>498</code></td>
<td>Token Expired/Invalid</td>
</tr>
<tr class="odd">
<td><code>499</code></td>
<td>Client Closed Request</td>
</tr>
<tr class="even">
<td><code>500</code></td>
<td>Internal Server Error</td>
</tr>
<tr class="odd">
<td><code>501</code></td>
<td>Not Implemented</td>
</tr>
<tr class="even">
<td><code>502</code></td>
<td>Bad Gateway</td>
</tr>
<tr class="odd">
<td><code>503</code></td>
<td>Service Unavailable</td>
</tr>
<tr class="even">
<td><code>504</code></td>
<td>Gateway Timeout</td>
</tr>
<tr class="odd">
<td><code>505</code></td>
<td>HTTP Version Not Supported</td>
</tr>
<tr class="even">
<td><code>506</code></td>
<td>Variant Also Negotiates</td>
</tr>
<tr class="odd">
<td><code>507</code></td>
<td>Insufficient Storage</td>
</tr>
<tr class="even">
<td><code>508</code></td>
<td>Loop Detected</td>
</tr>
<tr class="odd">
<td><code>509</code></td>
<td>Bandwidth Limit Exceeded</td>
</tr>
<tr class="even">
<td><code>510</code></td>
<td>Not Extended</td>
</tr>
<tr class="odd">
<td><code>511</code></td>
<td>Network Authentication Required</td>
</tr>
<tr class="even">
<td><code>520</code></td>
<td>Unknown Error</td>
</tr>
<tr class="odd">
<td><code>521</code></td>
<td>Web Server Is Down</td>
</tr>
<tr class="even">
<td><code>522</code></td>
<td>Origin Connection Time-out</td>
</tr>
<tr class="odd">
<td><code>523</code></td>
<td>Origin Is Unreachable</td>
</tr>
<tr class="even">
<td><code>524</code></td>
<td>A Timeout Occurred</td>
</tr>
<tr class="odd">
<td><code>525</code></td>
<td>SSL Handshake Failed</td>
</tr>
<tr class="even">
<td><code>526</code></td>
<td>Invalid SSL Certificate</td>
</tr>
<tr class="odd">
<td><code>527</code></td>
<td>Railgun Error</td>
</tr>
<tr class="even">
<td><code>529</code></td>
<td>Site is overloaded</td>
</tr>
<tr class="odd">
<td><code>530</code></td>
<td>Site is frozen</td>
</tr>
<tr class="even">
<td><code>598</code></td>
<td>Network Read Timeout Error</td>
</tr>
<tr class="odd">
<td><code>599</code></td>
<td>Network Connect Timeout Error</td>
</tr>
</tbody>
</table>
<h2 id="command-line-usage">Command Line Usage</h2>
<p>You can query the reason phrase for status codes as follows:</p>
<div class="sourceCode" id="cb11"><pre
class="sourceCode sh"><code class="sourceCode bash"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> java <span class="at">-jar</span> httpstatus-1.1.0.jar 404 500</span>
<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="ex">404:</span> Not Found</span>
<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="ex">500:</span> Internal Server Error</span></code></pre></div>
<p>If no status code is specified, all will be printed:</p>
<div class="sourceCode" id="cb12"><pre
class="sourceCode sh"><code class="sourceCode bash"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> java <span class="at">-jar</span> httpstatus-1.1.0.jar</span>
<span id="cb12-2"><a href="#cb12-2" aria-hidden="true" tabindex="-1"></a><span class="ex">100:</span> Continue</span>
<span id="cb12-3"><a href="#cb12-3" aria-hidden="true" tabindex="-1"></a><span class="ex">101:</span> Switching Protocols</span>
<span id="cb12-4"><a href="#cb12-4" aria-hidden="true" tabindex="-1"></a><span class="ex">102:</span> Processing</span>
<span id="cb12-5"><a href="#cb12-5" aria-hidden="true" tabindex="-1"></a><span class="ex">103:</span> Early Hints</span>
<span id="cb12-6"><a href="#cb12-6" aria-hidden="true" tabindex="-1"></a><span class="ex">200:</span> OK</span>
<span id="cb12-7"><a href="#cb12-7" aria-hidden="true" tabindex="-1"></a><span class="ex">201:</span> Created</span>
<span id="cb12-8"><a href="#cb12-8" aria-hidden="true" tabindex="-1"></a><span class="ex">202:</span> Accepted</span>
<span id="cb12-9"><a href="#cb12-9" aria-hidden="true" tabindex="-1"></a><span class="ex">203:</span> Non-Authoritative Information</span>
<span id="cb12-10"><a href="#cb12-10" aria-hidden="true" tabindex="-1"></a><span class="ex">204:</span> No Content</span>
<span id="cb12-11"><a href="#cb12-11" aria-hidden="true" tabindex="-1"></a><span class="ex">205:</span> Reset Content</span>
<span id="cb12-12"><a href="#cb12-12" aria-hidden="true" tabindex="-1"></a><span class="ex">206:</span> Partial Content</span>
<span id="cb12-13"><a href="#cb12-13" aria-hidden="true" tabindex="-1"></a><span class="ex">207:</span> Multi-Status</span>
<span id="cb12-14"><a href="#cb12-14" aria-hidden="true" tabindex="-1"></a><span class="ex">208:</span> Already Reported</span>
<span id="cb12-15"><a href="#cb12-15" aria-hidden="true" tabindex="-1"></a><span class="ex">226:</span> IM Used</span>
<span id="cb12-16"><a href="#cb12-16" aria-hidden="true" tabindex="-1"></a><span class="ex">...</span></span></code></pre></div>
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