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<title>Class: Rack::MethodOverride</title>
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<td><strong>Class</strong></td>
<td class="class-name-in-header">Rack::MethodOverride</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../files/lib/rack/methodoverride_rb.html">
lib/rack/methodoverride.rb
</a>
<br />
</td>
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<td><strong>Parent:</strong></td>
<td>
Object
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<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000079">call</a>
<a href="#M000078">new</a>
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<h3 class="section-bar">Constants</h3>
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<table summary="Constants">
<tr class="top-aligned-row context-row">
<td class="context-item-name">HTTP_METHODS</td>
<td>=</td>
<td class="context-item-value">%w(GET HEAD PUT POST DELETE OPTIONS)</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">METHOD_OVERRIDE_PARAM_KEY</td>
<td>=</td>
<td class="context-item-value">"_method".freeze</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">HTTP_METHOD_OVERRIDE_HEADER</td>
<td>=</td>
<td class="context-item-value">"HTTP_X_HTTP_METHOD_OVERRIDE".freeze</td>
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<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000078" class="method-detail">
<a name="M000078"></a>
<div class="method-heading">
<a href="#M000078" class="method-signature">
<span class="method-name">new</span><span class="method-args">(app)</span>
</a>
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<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000078-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000078-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/methodoverride.rb, line 8</span>
8: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">app</span>)
9: <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span>
10: <span class="ruby-keyword kw">end</span>
</pre>
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<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000079" class="method-detail">
<a name="M000079"></a>
<div class="method-heading">
<a href="#M000079" class="method-signature">
<span class="method-name">call</span><span class="method-args">(env)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000079-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000079-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/methodoverride.rb, line 12</span>
12: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
13: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">env</span>[<span class="ruby-value str">"REQUEST_METHOD"</span>] <span class="ruby-operator">==</span> <span class="ruby-value str">"POST"</span>
14: <span class="ruby-identifier">req</span> = <span class="ruby-constant">Request</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">env</span>)
15: <span class="ruby-identifier">method</span> = <span class="ruby-identifier">req</span>.<span class="ruby-constant">POST</span>[<span class="ruby-constant">METHOD_OVERRIDE_PARAM_KEY</span>] <span class="ruby-operator">||</span>
16: <span class="ruby-identifier">env</span>[<span class="ruby-constant">HTTP_METHOD_OVERRIDE_HEADER</span>]
17: <span class="ruby-identifier">method</span> = <span class="ruby-identifier">method</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">upcase</span>
18: <span class="ruby-keyword kw">if</span> <span class="ruby-constant">HTTP_METHODS</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">method</span>)
19: <span class="ruby-identifier">env</span>[<span class="ruby-value str">"rack.methodoverride.original_method"</span>] = <span class="ruby-identifier">env</span>[<span class="ruby-value str">"REQUEST_METHOD"</span>]
20: <span class="ruby-identifier">env</span>[<span class="ruby-value str">"REQUEST_METHOD"</span>] = <span class="ruby-identifier">method</span>
21: <span class="ruby-keyword kw">end</span>
22: <span class="ruby-keyword kw">end</span>
23:
24: <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
25: <span class="ruby-keyword kw">end</span>
</pre>
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