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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">/**</span> |
| <span class="source-line-no">023</span><span id="line-23"> * Utilities for class manipulation.</span> |
| <span class="source-line-no">024</span><span id="line-24"> */</span> |
| <span class="source-line-no">025</span><span id="line-25">@InterfaceAudience.Private</span> |
| <span class="source-line-no">026</span><span id="line-26">public class Classes {</span> |
| <span class="source-line-no">027</span><span id="line-27"></span> |
| <span class="source-line-no">028</span><span id="line-28"> /**</span> |
| <span class="source-line-no">029</span><span id="line-29"> * Equivalent of {@link Class#forName(String)} which also returns classes for primitives like</span> |
| <span class="source-line-no">030</span><span id="line-30"> * <code>boolean</code>, etc. The name of the class to retrieve. Can be either a normal class or a</span> |
| <span class="source-line-no">031</span><span id="line-31"> * primitive class.</span> |
| <span class="source-line-no">032</span><span id="line-32"> * @return The class specified by <code>className</code> If the requested class can not be found.</span> |
| <span class="source-line-no">033</span><span id="line-33"> */</span> |
| <span class="source-line-no">034</span><span id="line-34"> public static Class<?> extendedForName(String className) throws ClassNotFoundException {</span> |
| <span class="source-line-no">035</span><span id="line-35"> Class<?> valueType;</span> |
| <span class="source-line-no">036</span><span id="line-36"> if (className.equals("boolean")) {</span> |
| <span class="source-line-no">037</span><span id="line-37"> valueType = boolean.class;</span> |
| <span class="source-line-no">038</span><span id="line-38"> } else if (className.equals("byte")) {</span> |
| <span class="source-line-no">039</span><span id="line-39"> valueType = byte.class;</span> |
| <span class="source-line-no">040</span><span id="line-40"> } else if (className.equals("short")) {</span> |
| <span class="source-line-no">041</span><span id="line-41"> valueType = short.class;</span> |
| <span class="source-line-no">042</span><span id="line-42"> } else if (className.equals("int")) {</span> |
| <span class="source-line-no">043</span><span id="line-43"> valueType = int.class;</span> |
| <span class="source-line-no">044</span><span id="line-44"> } else if (className.equals("long")) {</span> |
| <span class="source-line-no">045</span><span id="line-45"> valueType = long.class;</span> |
| <span class="source-line-no">046</span><span id="line-46"> } else if (className.equals("float")) {</span> |
| <span class="source-line-no">047</span><span id="line-47"> valueType = float.class;</span> |
| <span class="source-line-no">048</span><span id="line-48"> } else if (className.equals("double")) {</span> |
| <span class="source-line-no">049</span><span id="line-49"> valueType = double.class;</span> |
| <span class="source-line-no">050</span><span id="line-50"> } else if (className.equals("char")) {</span> |
| <span class="source-line-no">051</span><span id="line-51"> valueType = char.class;</span> |
| <span class="source-line-no">052</span><span id="line-52"> } else {</span> |
| <span class="source-line-no">053</span><span id="line-53"> valueType = Class.forName(className);</span> |
| <span class="source-line-no">054</span><span id="line-54"> }</span> |
| <span class="source-line-no">055</span><span id="line-55"> return valueType;</span> |
| <span class="source-line-no">056</span><span id="line-56"> }</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> public static String stringify(Class<?>[] classes) {</span> |
| <span class="source-line-no">059</span><span id="line-59"> StringBuilder buf = new StringBuilder();</span> |
| <span class="source-line-no">060</span><span id="line-60"> if (classes != null) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> for (Class<?> c : classes) {</span> |
| <span class="source-line-no">062</span><span id="line-62"> if (buf.length() > 0) {</span> |
| <span class="source-line-no">063</span><span id="line-63"> buf.append(",");</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"> buf.append(c.getName());</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"> } else {</span> |
| <span class="source-line-no">068</span><span id="line-68"> buf.append("NULL");</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"> return buf.toString();</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static <T> Class<T> cast(Class<?> clazz) {</span> |
| <span class="source-line-no">075</span><span id="line-75"> return (Class<T>) clazz;</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77">}</span> |
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