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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a name="18" href="#18">18</a> <em class="jxr_comment"> */</em> |
| <a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.util; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="22" href="#22">22</a> <em class="jxr_javadoccomment"> * Internal helper class used to find the Java/JDK version</em> |
| <a name="23" href="#23">23</a> <em class="jxr_javadoccomment"> * that Shiro is operating within, to allow for automatically</em> |
| <a name="24" href="#24">24</a> <em class="jxr_javadoccomment"> * adapting to the present platform's capabilities.</em> |
| <a name="25" href="#25">25</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="26" href="#26">26</a> <em class="jxr_javadoccomment"> * <p>Note that Shiro does not support 1.2 or earlier JVMs - only 1.3 and later.</em> |
| <a name="27" href="#27">27</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> * <p><em>This class was borrowed and heavily based upon a nearly identical version found in</em> |
| <a name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * the <a href="<a href="http://www.springframework.org/" target="alexandria_uri">http://www.springframework.org/</a>">Spring Framework</a>, with minor modifications.</em> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * The original author names and copyright (Apache 2.0) has been left in place. A special</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * thanks to Rod Johnson, Juergen Hoeller, and Rick Evans for making this available.</em></em> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * @since 0.2</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/shiro/util/JavaEnvironment.html">JavaEnvironment</a> { |
| <a name="36" href="#36">36</a> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * Constant identifying the 1.3.x JVM (JDK 1.3).</em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="40" href="#40">40</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> JAVA_13 = 0; |
| <a name="41" href="#41">41</a> |
| <a name="42" href="#42">42</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * Constant identifying the 1.4.x JVM (J2SE 1.4).</em> |
| <a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="45" href="#45">45</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> JAVA_14 = 1; |
| <a name="46" href="#46">46</a> |
| <a name="47" href="#47">47</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * Constant identifying the 1.5 JVM (Java 5).</em> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="50" href="#50">50</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> JAVA_15 = 2; |
| <a name="51" href="#51">51</a> |
| <a name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * Constant identifying the 1.6 JVM (Java 6).</em> |
| <a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> JAVA_16 = 3; |
| <a name="56" href="#56">56</a> |
| <a name="57" href="#57">57</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * Constant identifying the 1.7 JVM.</em> |
| <a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> JAVA_17 = 4; |
| <a name="61" href="#61">61</a> |
| <a name="62" href="#62">62</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The virtual machine version, i.e. <code>System.getProperty("java.version");</code>. */</em> |
| <a name="63" href="#63">63</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String version; |
| <a name="64" href="#64">64</a> |
| <a name="65" href="#65">65</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * The virtual machine <em>major</em> version. For example, with a <code>version</code> of</em> |
| <a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * <code>1.5.6_10</code>, this would be <code>1.5</code></em> |
| <a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> majorVersion; |
| <a name="70" href="#70">70</a> |
| <a name="71" href="#71">71</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * Static code initialization block that sets the</em> |
| <a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * <code>version</code> and <code>majorVersion</code> Class constants</em> |
| <a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * upon initialization.</em> |
| <a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="76" href="#76">76</a> <strong class="jxr_keyword">static</strong> { |
| <a name="77" href="#77">77</a> version = System.getProperty(<span class="jxr_string">"java.version"</span>); |
| <a name="78" href="#78">78</a> <em class="jxr_comment">// version String should look like "1.4.2_10"</em> |
| <a name="79" href="#79">79</a> <strong class="jxr_keyword">if</strong> (version.indexOf(<span class="jxr_string">"1.7."</span>) != -1) { |
| <a name="80" href="#80">80</a> majorVersion = JAVA_17; |
| <a name="81" href="#81">81</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (version.indexOf(<span class="jxr_string">"1.6."</span>) != -1) { |
| <a name="82" href="#82">82</a> majorVersion = JAVA_16; |
| <a name="83" href="#83">83</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (version.indexOf(<span class="jxr_string">"1.5."</span>) != -1) { |
| <a name="84" href="#84">84</a> majorVersion = JAVA_15; |
| <a name="85" href="#85">85</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (version.indexOf(<span class="jxr_string">"1.4."</span>) != -1) { |
| <a name="86" href="#86">86</a> majorVersion = JAVA_14; |
| <a name="87" href="#87">87</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="88" href="#88">88</a> <em class="jxr_comment">// else leave 1.3 as default (it's either 1.3 or unknown)</em> |
| <a name="89" href="#89">89</a> majorVersion = JAVA_13; |
| <a name="90" href="#90">90</a> } |
| <a name="91" href="#91">91</a> } |
| <a name="92" href="#92">92</a> |
| <a name="93" href="#93">93</a> |
| <a name="94" href="#94">94</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Return the full Java version string, as returned by</em> |
| <a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * <code>System.getProperty("java.version")</code>.</em> |
| <a name="97" href="#97">97</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * @return the full Java version string</em> |
| <a name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * @see System#getProperty(String)</em> |
| <a name="100" href="#100">100</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="101" href="#101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String getVersion() { |
| <a name="102" href="#102">102</a> <strong class="jxr_keyword">return</strong> version; |
| <a name="103" href="#103">103</a> } |
| <a name="104" href="#104">104</a> |
| <a name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * Get the major version code. This means we can do things like</em> |
| <a name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * <code>if (getMajorVersion() < JAVA_14)</code>.</em> |
| <a name="108" href="#108">108</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * @return a code comparable to the JAVA_XX codes in this class</em> |
| <a name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * @see #JAVA_13</em> |
| <a name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * @see #JAVA_14</em> |
| <a name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * @see #JAVA_15</em> |
| <a name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * @see #JAVA_16</em> |
| <a name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * @see #JAVA_17</em> |
| <a name="115" href="#115">115</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="116" href="#116">116</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> getMajorVersion() { |
| <a name="117" href="#117">117</a> <strong class="jxr_keyword">return</strong> majorVersion; |
| <a name="118" href="#118">118</a> } |
| <a name="119" href="#119">119</a> |
| <a name="120" href="#120">120</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * Convenience method to determine if the current JVM is at least Java 1.4.</em> |
| <a name="122" href="#122">122</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * @return <code>true</code> if the current JVM is at least Java 1.4</em> |
| <a name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * @see #getMajorVersion()</em> |
| <a name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @see #JAVA_14</em> |
| <a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * @see #JAVA_15</em> |
| <a name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * @see #JAVA_16</em> |
| <a name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * @see #JAVA_17</em> |
| <a name="129" href="#129">129</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="130" href="#130">130</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isAtLeastVersion14() { |
| <a name="131" href="#131">131</a> <strong class="jxr_keyword">return</strong> getMajorVersion() >= JAVA_14; |
| <a name="132" href="#132">132</a> } |
| <a name="133" href="#133">133</a> |
| <a name="134" href="#134">134</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * Convenience method to determine if the current JVM is at least</em> |
| <a name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * Java 1.5 (Java 5).</em> |
| <a name="137" href="#137">137</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * @return <code>true</code> if the current JVM is at least Java 1.5</em> |
| <a name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * @see #getMajorVersion()</em> |
| <a name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * @see #JAVA_15</em> |
| <a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * @see #JAVA_16</em> |
| <a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * @see #JAVA_17</em> |
| <a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="144" href="#144">144</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isAtLeastVersion15() { |
| <a name="145" href="#145">145</a> <strong class="jxr_keyword">return</strong> getMajorVersion() >= JAVA_15; |
| <a name="146" href="#146">146</a> } |
| <a name="147" href="#147">147</a> |
| <a name="148" href="#148">148</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * Convenience method to determine if the current JVM is at least</em> |
| <a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * Java 1.6 (Java 6).</em> |
| <a name="151" href="#151">151</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * @return <code>true</code> if the current JVM is at least Java 1.6</em> |
| <a name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @see #getMajorVersion()</em> |
| <a name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * @see #JAVA_15</em> |
| <a name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @see #JAVA_16</em> |
| <a name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * @see #JAVA_17</em> |
| <a name="157" href="#157">157</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="158" href="#158">158</a> <em class="jxr_javadoccomment"> * @since 1.2</em> |
| <a name="159" href="#159">159</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="160" href="#160">160</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isAtLeastVersion16() { |
| <a name="161" href="#161">161</a> <strong class="jxr_keyword">return</strong> getMajorVersion() >= JAVA_16; |
| <a name="162" href="#162">162</a> } |
| <a name="163" href="#163">163</a> } |
| </pre> |
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