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| <pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> *</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> */</a> |
| <span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.util;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">/**</a> |
| <span class="sourceLineNo">022</span><a id="line.22"> * Internal helper class used to find the Java/JDK version</a> |
| <span class="sourceLineNo">023</span><a id="line.23"> * that Shiro is operating within, to allow for automatically</a> |
| <span class="sourceLineNo">024</span><a id="line.24"> * adapting to the present platform's capabilities.</a> |
| <span class="sourceLineNo">025</span><a id="line.25"> *</a> |
| <span class="sourceLineNo">026</span><a id="line.26"> * <p>Note that Shiro does not support 1.2 or earlier JVMs - only 1.3 and later.</a> |
| <span class="sourceLineNo">027</span><a id="line.27"> *</a> |
| <span class="sourceLineNo">028</span><a id="line.28"> * <p><em>This class was borrowed and heavily based upon a nearly identical version found in</a> |
| <span class="sourceLineNo">029</span><a id="line.29"> * the <a href="http://www.springframework.org/">Spring Framework</a>, with minor modifications.</a> |
| <span class="sourceLineNo">030</span><a id="line.30"> * The original author names and copyright (Apache 2.0) has been left in place. A special</a> |
| <span class="sourceLineNo">031</span><a id="line.31"> * thanks to Rod Johnson, Juergen Hoeller, and Rick Evans for making this available.</em></a> |
| <span class="sourceLineNo">032</span><a id="line.32"> *</a> |
| <span class="sourceLineNo">033</span><a id="line.33"> * @since 0.2</a> |
| <span class="sourceLineNo">034</span><a id="line.34"> * @deprecated This class is no longer used in Shiro and will be removed in the next major version.</a> |
| <span class="sourceLineNo">035</span><a id="line.35"> */</a> |
| <span class="sourceLineNo">036</span><a id="line.36">@Deprecated</a> |
| <span class="sourceLineNo">037</span><a id="line.37">public abstract class JavaEnvironment {</a> |
| <span class="sourceLineNo">038</span><a id="line.38"></a> |
| <span class="sourceLineNo">039</span><a id="line.39"> /**</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> * Constant identifying the 1.3.x JVM (JDK 1.3).</a> |
| <span class="sourceLineNo">041</span><a id="line.41"> */</a> |
| <span class="sourceLineNo">042</span><a id="line.42"> public static final int JAVA_13 = 0;</a> |
| <span class="sourceLineNo">043</span><a id="line.43"></a> |
| <span class="sourceLineNo">044</span><a id="line.44"> /**</a> |
| <span class="sourceLineNo">045</span><a id="line.45"> * Constant identifying the 1.4.x JVM (J2SE 1.4).</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> */</a> |
| <span class="sourceLineNo">047</span><a id="line.47"> public static final int JAVA_14 = 1;</a> |
| <span class="sourceLineNo">048</span><a id="line.48"></a> |
| <span class="sourceLineNo">049</span><a id="line.49"> /**</a> |
| <span class="sourceLineNo">050</span><a id="line.50"> * Constant identifying the 1.5 JVM (Java 5).</a> |
| <span class="sourceLineNo">051</span><a id="line.51"> */</a> |
| <span class="sourceLineNo">052</span><a id="line.52"> public static final int JAVA_15 = 2;</a> |
| <span class="sourceLineNo">053</span><a id="line.53"></a> |
| <span class="sourceLineNo">054</span><a id="line.54"> /**</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> * Constant identifying the 1.6 JVM (Java 6).</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> */</a> |
| <span class="sourceLineNo">057</span><a id="line.57"> public static final int JAVA_16 = 3;</a> |
| <span class="sourceLineNo">058</span><a id="line.58"></a> |
| <span class="sourceLineNo">059</span><a id="line.59"> /**</a> |
| <span class="sourceLineNo">060</span><a id="line.60"> * Constant identifying the 1.7 JVM.</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> */</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> public static final int JAVA_17 = 4;</a> |
| <span class="sourceLineNo">063</span><a id="line.63"></a> |
| <span class="sourceLineNo">064</span><a id="line.64"> /**</a> |
| <span class="sourceLineNo">065</span><a id="line.65"> * Constant identifying the 1.8 JVM.</a> |
| <span class="sourceLineNo">066</span><a id="line.66"> */</a> |
| <span class="sourceLineNo">067</span><a id="line.67"> public static final int JAVA_18 = 5;</a> |
| <span class="sourceLineNo">068</span><a id="line.68"></a> |
| <span class="sourceLineNo">069</span><a id="line.69"> /** The virtual machine version, i.e. <code>System.getProperty("java.version");</code>. */</a> |
| <span class="sourceLineNo">070</span><a id="line.70"> private static final String version;</a> |
| <span class="sourceLineNo">071</span><a id="line.71"></a> |
| <span class="sourceLineNo">072</span><a id="line.72"> /**</a> |
| <span class="sourceLineNo">073</span><a id="line.73"> * The virtual machine <em>major</em> version. For example, with a <code>version</code> of</a> |
| <span class="sourceLineNo">074</span><a id="line.74"> * <code>1.5.6_10</code>, this would be <code>1.5</code></a> |
| <span class="sourceLineNo">075</span><a id="line.75"> */</a> |
| <span class="sourceLineNo">076</span><a id="line.76"> private static final int majorVersion;</a> |
| <span class="sourceLineNo">077</span><a id="line.77"></a> |
| <span class="sourceLineNo">078</span><a id="line.78"> /**</a> |
| <span class="sourceLineNo">079</span><a id="line.79"> * Static code initialization block that sets the</a> |
| <span class="sourceLineNo">080</span><a id="line.80"> * <code>version</code> and <code>majorVersion</code> Class constants</a> |
| <span class="sourceLineNo">081</span><a id="line.81"> * upon initialization.</a> |
| <span class="sourceLineNo">082</span><a id="line.82"> */</a> |
| <span class="sourceLineNo">083</span><a id="line.83"> static {</a> |
| <span class="sourceLineNo">084</span><a id="line.84"> version = System.getProperty("java.version");</a> |
| <span class="sourceLineNo">085</span><a id="line.85"> // version String should look like "1.4.2_10"</a> |
| <span class="sourceLineNo">086</span><a id="line.86"></a> |
| <span class="sourceLineNo">087</span><a id="line.87">// NOTE: JDK 1.9 will be versioned differently '9' and/or 9.x.x</a> |
| <span class="sourceLineNo">088</span><a id="line.88">// https://blogs.oracle.com/java-platform-group/entry/a_new_jdk_9_version</a> |
| <span class="sourceLineNo">089</span><a id="line.89"></a> |
| <span class="sourceLineNo">090</span><a id="line.90"> if (version.contains("1.8.")) {</a> |
| <span class="sourceLineNo">091</span><a id="line.91"> majorVersion = JAVA_18;</a> |
| <span class="sourceLineNo">092</span><a id="line.92"> } else if (version.contains("1.7.")) {</a> |
| <span class="sourceLineNo">093</span><a id="line.93"> majorVersion = JAVA_17;</a> |
| <span class="sourceLineNo">094</span><a id="line.94"> } else if (version.contains("1.6.")) {</a> |
| <span class="sourceLineNo">095</span><a id="line.95"> majorVersion = JAVA_16;</a> |
| <span class="sourceLineNo">096</span><a id="line.96"> } else if (version.contains("1.5.")) {</a> |
| <span class="sourceLineNo">097</span><a id="line.97"> majorVersion = JAVA_15;</a> |
| <span class="sourceLineNo">098</span><a id="line.98"> } else if (version.contains("1.4.")) {</a> |
| <span class="sourceLineNo">099</span><a id="line.99"> majorVersion = JAVA_14;</a> |
| <span class="sourceLineNo">100</span><a id="line.100"> } else {</a> |
| <span class="sourceLineNo">101</span><a id="line.101"> // else leave 1.3 as default (it's either 1.3 or unknown)</a> |
| <span class="sourceLineNo">102</span><a id="line.102"> majorVersion = JAVA_13;</a> |
| <span class="sourceLineNo">103</span><a id="line.103"> }</a> |
| <span class="sourceLineNo">104</span><a id="line.104"> }</a> |
| <span class="sourceLineNo">105</span><a id="line.105"></a> |
| <span class="sourceLineNo">106</span><a id="line.106"></a> |
| <span class="sourceLineNo">107</span><a id="line.107"> /**</a> |
| <span class="sourceLineNo">108</span><a id="line.108"> * Return the full Java version string, as returned by</a> |
| <span class="sourceLineNo">109</span><a id="line.109"> * <code>System.getProperty("java.version")</code>.</a> |
| <span class="sourceLineNo">110</span><a id="line.110"> *</a> |
| <span class="sourceLineNo">111</span><a id="line.111"> * @return the full Java version string</a> |
| <span class="sourceLineNo">112</span><a id="line.112"> * @see System#getProperty(String)</a> |
| <span class="sourceLineNo">113</span><a id="line.113"> */</a> |
| <span class="sourceLineNo">114</span><a id="line.114"> public static String getVersion() {</a> |
| <span class="sourceLineNo">115</span><a id="line.115"> return version;</a> |
| <span class="sourceLineNo">116</span><a id="line.116"> }</a> |
| <span class="sourceLineNo">117</span><a id="line.117"></a> |
| <span class="sourceLineNo">118</span><a id="line.118"> /**</a> |
| <span class="sourceLineNo">119</span><a id="line.119"> * Get the major version code. This means we can do things like</a> |
| <span class="sourceLineNo">120</span><a id="line.120"> * <code>if (getMajorVersion() < JAVA_14)</code>.</a> |
| <span class="sourceLineNo">121</span><a id="line.121"> *</a> |
| <span class="sourceLineNo">122</span><a id="line.122"> * @return a code comparable to the JAVA_XX codes in this class</a> |
| <span class="sourceLineNo">123</span><a id="line.123"> * @see #JAVA_13</a> |
| <span class="sourceLineNo">124</span><a id="line.124"> * @see #JAVA_14</a> |
| <span class="sourceLineNo">125</span><a id="line.125"> * @see #JAVA_15</a> |
| <span class="sourceLineNo">126</span><a id="line.126"> * @see #JAVA_16</a> |
| <span class="sourceLineNo">127</span><a id="line.127"> * @see #JAVA_17</a> |
| <span class="sourceLineNo">128</span><a id="line.128"> * @see #JAVA_18</a> |
| <span class="sourceLineNo">129</span><a id="line.129"> */</a> |
| <span class="sourceLineNo">130</span><a id="line.130"> public static int getMajorVersion() {</a> |
| <span class="sourceLineNo">131</span><a id="line.131"> return majorVersion;</a> |
| <span class="sourceLineNo">132</span><a id="line.132"> }</a> |
| <span class="sourceLineNo">133</span><a id="line.133"></a> |
| <span class="sourceLineNo">134</span><a id="line.134"> /**</a> |
| <span class="sourceLineNo">135</span><a id="line.135"> * Convenience method to determine if the current JVM is at least Java 1.4.</a> |
| <span class="sourceLineNo">136</span><a id="line.136"> *</a> |
| <span class="sourceLineNo">137</span><a id="line.137"> * @return <code>true</code> if the current JVM is at least Java 1.4</a> |
| <span class="sourceLineNo">138</span><a id="line.138"> * @see #getMajorVersion()</a> |
| <span class="sourceLineNo">139</span><a id="line.139"> * @see #JAVA_14</a> |
| <span class="sourceLineNo">140</span><a id="line.140"> * @see #JAVA_15</a> |
| <span class="sourceLineNo">141</span><a id="line.141"> * @see #JAVA_16</a> |
| <span class="sourceLineNo">142</span><a id="line.142"> * @see #JAVA_17</a> |
| <span class="sourceLineNo">143</span><a id="line.143"> * @see #JAVA_18</a> |
| <span class="sourceLineNo">144</span><a id="line.144"> */</a> |
| <span class="sourceLineNo">145</span><a id="line.145"> public static boolean isAtLeastVersion14() {</a> |
| <span class="sourceLineNo">146</span><a id="line.146"> return getMajorVersion() >= JAVA_14;</a> |
| <span class="sourceLineNo">147</span><a id="line.147"> }</a> |
| <span class="sourceLineNo">148</span><a id="line.148"></a> |
| <span class="sourceLineNo">149</span><a id="line.149"> /**</a> |
| <span class="sourceLineNo">150</span><a id="line.150"> * Convenience method to determine if the current JVM is at least</a> |
| <span class="sourceLineNo">151</span><a id="line.151"> * Java 1.5 (Java 5).</a> |
| <span class="sourceLineNo">152</span><a id="line.152"> *</a> |
| <span class="sourceLineNo">153</span><a id="line.153"> * @return <code>true</code> if the current JVM is at least Java 1.5</a> |
| <span class="sourceLineNo">154</span><a id="line.154"> * @see #getMajorVersion()</a> |
| <span class="sourceLineNo">155</span><a id="line.155"> * @see #JAVA_15</a> |
| <span class="sourceLineNo">156</span><a id="line.156"> * @see #JAVA_16</a> |
| <span class="sourceLineNo">157</span><a id="line.157"> * @see #JAVA_17</a> |
| <span class="sourceLineNo">158</span><a id="line.158"> * @see #JAVA_18</a> |
| <span class="sourceLineNo">159</span><a id="line.159"> */</a> |
| <span class="sourceLineNo">160</span><a id="line.160"> public static boolean isAtLeastVersion15() {</a> |
| <span class="sourceLineNo">161</span><a id="line.161"> return getMajorVersion() >= JAVA_15;</a> |
| <span class="sourceLineNo">162</span><a id="line.162"> }</a> |
| <span class="sourceLineNo">163</span><a id="line.163"></a> |
| <span class="sourceLineNo">164</span><a id="line.164"> /**</a> |
| <span class="sourceLineNo">165</span><a id="line.165"> * Convenience method to determine if the current JVM is at least</a> |
| <span class="sourceLineNo">166</span><a id="line.166"> * Java 1.6 (Java 6).</a> |
| <span class="sourceLineNo">167</span><a id="line.167"> *</a> |
| <span class="sourceLineNo">168</span><a id="line.168"> * @return <code>true</code> if the current JVM is at least Java 1.6</a> |
| <span class="sourceLineNo">169</span><a id="line.169"> * @see #getMajorVersion()</a> |
| <span class="sourceLineNo">170</span><a id="line.170"> * @see #JAVA_15</a> |
| <span class="sourceLineNo">171</span><a id="line.171"> * @see #JAVA_16</a> |
| <span class="sourceLineNo">172</span><a id="line.172"> * @see #JAVA_17</a> |
| <span class="sourceLineNo">173</span><a id="line.173"> * @see #JAVA_18</a> |
| <span class="sourceLineNo">174</span><a id="line.174"> *</a> |
| <span class="sourceLineNo">175</span><a id="line.175"> * @since 1.2</a> |
| <span class="sourceLineNo">176</span><a id="line.176"> */</a> |
| <span class="sourceLineNo">177</span><a id="line.177"> public static boolean isAtLeastVersion16() {</a> |
| <span class="sourceLineNo">178</span><a id="line.178"> return getMajorVersion() >= JAVA_16;</a> |
| <span class="sourceLineNo">179</span><a id="line.179"> }</a> |
| <span class="sourceLineNo">180</span><a id="line.180">}</a> |
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| </pre> |
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