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<pre><span class="sourceLineNo">001</span>// ***************************************************************************************************************************<a name="line.1"></a>
<span class="sourceLineNo">002</span>// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file *<a name="line.2"></a>
<span class="sourceLineNo">003</span>// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file *<a name="line.3"></a>
<span class="sourceLineNo">004</span>// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance *<a name="line.4"></a>
<span class="sourceLineNo">005</span>// * with the License. You may obtain a copy of the License at *<a name="line.5"></a>
<span class="sourceLineNo">006</span>// * *<a name="line.6"></a>
<span class="sourceLineNo">007</span>// * http://www.apache.org/licenses/LICENSE-2.0 *<a name="line.7"></a>
<span class="sourceLineNo">008</span>// * *<a name="line.8"></a>
<span class="sourceLineNo">009</span>// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an *<a name="line.9"></a>
<span class="sourceLineNo">010</span>// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the *<a name="line.10"></a>
<span class="sourceLineNo">011</span>// * specific language governing permissions and limitations under the License. *<a name="line.11"></a>
<span class="sourceLineNo">012</span>// ***************************************************************************************************************************<a name="line.12"></a>
<span class="sourceLineNo">013</span>package org.apache.juneau.internal;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>import static org.apache.juneau.internal.StringUtils.*;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.lang.reflect.*;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import org.apache.juneau.reflect.*;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>/**<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Utilities.<a name="line.21"></a>
<span class="sourceLineNo">022</span> */<a name="line.22"></a>
<span class="sourceLineNo">023</span>public class HttpUtils {<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span> /**<a name="line.25"></a>
<span class="sourceLineNo">026</span> * Given a method name, infers the REST method name.<a name="line.26"></a>
<span class="sourceLineNo">027</span> *<a name="line.27"></a>
<span class="sourceLineNo">028</span> * @param m The Java method.<a name="line.28"></a>
<span class="sourceLineNo">029</span> * @param detectMethod Whether we should auto-detect the HTTP method name from the Java method name.<a name="line.29"></a>
<span class="sourceLineNo">030</span> * @param def The default HTTP method if not detected.<a name="line.30"></a>
<span class="sourceLineNo">031</span> * @return The REST method name, or the default value if not found.<a name="line.31"></a>
<span class="sourceLineNo">032</span> */<a name="line.32"></a>
<span class="sourceLineNo">033</span> public static String detectHttpMethod(Method m, boolean detectMethod, String def) {<a name="line.33"></a>
<span class="sourceLineNo">034</span> String n = m.getName();<a name="line.34"></a>
<span class="sourceLineNo">035</span> if (detectMethod) {<a name="line.35"></a>
<span class="sourceLineNo">036</span> if (n.startsWith("do") &amp;&amp; n.length() &gt; 2) {<a name="line.36"></a>
<span class="sourceLineNo">037</span> String n2 = n.substring(2).toUpperCase();<a name="line.37"></a>
<span class="sourceLineNo">038</span> if (isOneOf(n2, "GET","PUT","POST","DELETE","OPTIONS","HEAD","CONNECT","TRACE","PATCH"))<a name="line.38"></a>
<span class="sourceLineNo">039</span> return n2;<a name="line.39"></a>
<span class="sourceLineNo">040</span> }<a name="line.40"></a>
<span class="sourceLineNo">041</span> for (String t : new String[]{"get","put","post","delete","options","head","connect","trace","patch"})<a name="line.41"></a>
<span class="sourceLineNo">042</span> if (n.startsWith(t) &amp;&amp; (n.length() == t.length() || Character.isUpperCase(n.charAt(t.length()))))<a name="line.42"></a>
<span class="sourceLineNo">043</span> return t.toUpperCase();<a name="line.43"></a>
<span class="sourceLineNo">044</span> }<a name="line.44"></a>
<span class="sourceLineNo">045</span> return def;<a name="line.45"></a>
<span class="sourceLineNo">046</span> }<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span> /**<a name="line.48"></a>
<span class="sourceLineNo">049</span> * Given a Java method, infers the REST path.<a name="line.49"></a>
<span class="sourceLineNo">050</span> *<a name="line.50"></a>
<span class="sourceLineNo">051</span> * @param m The Java method.<a name="line.51"></a>
<span class="sourceLineNo">052</span> * @param detectMethod Whether we should auto-detect the HTTP method name from the Java method name.<a name="line.52"></a>
<span class="sourceLineNo">053</span> * @return The REST path or &lt;jk&gt;null&lt;/jk&gt; if not detected.<a name="line.53"></a>
<span class="sourceLineNo">054</span> */<a name="line.54"></a>
<span class="sourceLineNo">055</span> public static String detectHttpPath(Method m, boolean detectMethod) {<a name="line.55"></a>
<span class="sourceLineNo">056</span> String n = m.getName();<a name="line.56"></a>
<span class="sourceLineNo">057</span> if (detectMethod) {<a name="line.57"></a>
<span class="sourceLineNo">058</span> if (n.startsWith("do") &amp;&amp; n.length() &gt; 2) {<a name="line.58"></a>
<span class="sourceLineNo">059</span> String n2 = n.substring(2).toUpperCase();<a name="line.59"></a>
<span class="sourceLineNo">060</span> if (isOneOf(n2, "GET","PUT","POST","DELETE","OPTIONS","HEAD","CONNECT","TRACE","PATCH"))<a name="line.60"></a>
<span class="sourceLineNo">061</span> return "/";<a name="line.61"></a>
<span class="sourceLineNo">062</span> }<a name="line.62"></a>
<span class="sourceLineNo">063</span> for (String t : new String[]{"get","put","post","delete","options","head","connect","trace","patch"}) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> if (n.startsWith(t) &amp;&amp; (n.length() == t.length() || Character.isUpperCase(n.charAt(t.length())))) {<a name="line.64"></a>
<span class="sourceLineNo">065</span> return '/' + java.beans.Introspector.decapitalize(n.substring(t.length()));<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span> }<a name="line.68"></a>
<span class="sourceLineNo">069</span> return '/' + n;<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> /**<a name="line.72"></a>
<span class="sourceLineNo">073</span> * Given a Java method, returns the arguments signature.<a name="line.73"></a>
<span class="sourceLineNo">074</span> *<a name="line.74"></a>
<span class="sourceLineNo">075</span> * @param m The Java method.<a name="line.75"></a>
<span class="sourceLineNo">076</span> * @param full Whether fully-qualified names should be used for arguments.<a name="line.76"></a>
<span class="sourceLineNo">077</span> * @return The arguments signature for the specified method.<a name="line.77"></a>
<span class="sourceLineNo">078</span> */<a name="line.78"></a>
<span class="sourceLineNo">079</span> public static String getMethodArgsSignature(Method m, boolean full) {<a name="line.79"></a>
<span class="sourceLineNo">080</span> StringBuilder sb = new StringBuilder(128);<a name="line.80"></a>
<span class="sourceLineNo">081</span> Class&lt;?&gt;[] pt = m.getParameterTypes();<a name="line.81"></a>
<span class="sourceLineNo">082</span> if (pt.length == 0)<a name="line.82"></a>
<span class="sourceLineNo">083</span> return "";<a name="line.83"></a>
<span class="sourceLineNo">084</span> sb.append('(');<a name="line.84"></a>
<span class="sourceLineNo">085</span> for (int i = 0; i &lt; pt.length; i++) {<a name="line.85"></a>
<span class="sourceLineNo">086</span> ClassInfo pti = ClassInfo.of(pt[i]);<a name="line.86"></a>
<span class="sourceLineNo">087</span> if (i &gt; 0)<a name="line.87"></a>
<span class="sourceLineNo">088</span> sb.append(',');<a name="line.88"></a>
<span class="sourceLineNo">089</span> if (full)<a name="line.89"></a>
<span class="sourceLineNo">090</span> pti.appendFullName(sb);<a name="line.90"></a>
<span class="sourceLineNo">091</span> else<a name="line.91"></a>
<span class="sourceLineNo">092</span> pti.appendShortName(sb);<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> sb.append(')');<a name="line.94"></a>
<span class="sourceLineNo">095</span> return sb.toString();<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span>}<a name="line.97"></a>
</pre>
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