Google Git
Sign in
apache / archiva-web-content / 9a96af7937f9a23fa050341756bf126f0c5518a8 / . / ref / 2.2.8 / apidocs / src-html / org / apache / archiva / web / startup / Banner.html
blob: 7c38de6aa45131dbed56c009d838984b07d00131 [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span>package org.apache.archiva.web.startup;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>/*<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a>
<span class="sourceLineNo">005</span> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a>
<span class="sourceLineNo">007</span> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a>
<span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a>
<span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a>
<span class="sourceLineNo">010</span> * with the License. You may obtain a copy of the License at<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a>
<span class="sourceLineNo">015</span> * software distributed under the License is distributed on an<a name="line.15"></a>
<span class="sourceLineNo">016</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a>
<span class="sourceLineNo">017</span> * KIND, either express or implied. See the License for the<a name="line.17"></a>
<span class="sourceLineNo">018</span> * specific language governing permissions and limitations<a name="line.18"></a>
<span class="sourceLineNo">019</span> * under the License.<a name="line.19"></a>
<span class="sourceLineNo">020</span> */<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.commons.lang.StringUtils;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.slf4j.LoggerFactory;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.regex.Matcher;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.regex.Pattern;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
<span class="sourceLineNo">029</span> * Banner <a name="line.29"></a>
<span class="sourceLineNo">030</span> *<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> */<a name="line.32"></a>
<span class="sourceLineNo">033</span>public class Banner<a name="line.33"></a>
<span class="sourceLineNo">034</span>{<a name="line.34"></a>
<span class="sourceLineNo">035</span> private static final String eol = System.getProperty("line.separator");<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span> public static String encode( String raw )<a name="line.37"></a>
<span class="sourceLineNo">038</span> {<a name="line.38"></a>
<span class="sourceLineNo">039</span> // Canonicalize line ends to make them easier to process<a name="line.39"></a>
<span class="sourceLineNo">040</span> raw = raw.replace("\r\n", "\n").replace("\r", "\n");<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span> StringBuilder encoded = new StringBuilder();<a name="line.42"></a>
<span class="sourceLineNo">043</span> int rawlen = raw.length();<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> for ( int i = 0; i &lt; rawlen; i++ )<a name="line.45"></a>
<span class="sourceLineNo">046</span> {<a name="line.46"></a>
<span class="sourceLineNo">047</span> char c = raw.charAt( i );<a name="line.47"></a>
<span class="sourceLineNo">048</span> if ( c == '\\' )<a name="line.48"></a>
<span class="sourceLineNo">049</span> {<a name="line.49"></a>
<span class="sourceLineNo">050</span> encoded.append( "$." );<a name="line.50"></a>
<span class="sourceLineNo">051</span> }<a name="line.51"></a>
<span class="sourceLineNo">052</span> else if ( c == '$' )<a name="line.52"></a>
<span class="sourceLineNo">053</span> {<a name="line.53"></a>
<span class="sourceLineNo">054</span> encoded.append( "$$" );<a name="line.54"></a>
<span class="sourceLineNo">055</span> }<a name="line.55"></a>
<span class="sourceLineNo">056</span> else if ( c == '\n' )<a name="line.56"></a>
<span class="sourceLineNo">057</span> {<a name="line.57"></a>
<span class="sourceLineNo">058</span> encoded.append( "$n" );<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span> else if ( Character.isDigit( c ) )<a name="line.60"></a>
<span class="sourceLineNo">061</span> {<a name="line.61"></a>
<span class="sourceLineNo">062</span> encoded.append( c );<a name="line.62"></a>
<span class="sourceLineNo">063</span> }<a name="line.63"></a>
<span class="sourceLineNo">064</span> else if ( Character.isLetter( c ) )<a name="line.64"></a>
<span class="sourceLineNo">065</span> {<a name="line.65"></a>
<span class="sourceLineNo">066</span> encoded.append( rot13( c ) );<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span> else if ( i &lt; raw.length() - 1 )<a name="line.68"></a>
<span class="sourceLineNo">069</span> {<a name="line.69"></a>
<span class="sourceLineNo">070</span> char nc;<a name="line.70"></a>
<span class="sourceLineNo">071</span> boolean done = false;<a name="line.71"></a>
<span class="sourceLineNo">072</span> int count = 0;<a name="line.72"></a>
<span class="sourceLineNo">073</span> for ( int n = i; !done; n++ )<a name="line.73"></a>
<span class="sourceLineNo">074</span> {<a name="line.74"></a>
<span class="sourceLineNo">075</span> if ( n &gt;= rawlen )<a name="line.75"></a>
<span class="sourceLineNo">076</span> {<a name="line.76"></a>
<span class="sourceLineNo">077</span> break;<a name="line.77"></a>
<span class="sourceLineNo">078</span> }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> nc = raw.charAt( n );<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> if ( nc != c )<a name="line.82"></a>
<span class="sourceLineNo">083</span> {<a name="line.83"></a>
<span class="sourceLineNo">084</span> done = true;<a name="line.84"></a>
<span class="sourceLineNo">085</span> }<a name="line.85"></a>
<span class="sourceLineNo">086</span> else<a name="line.86"></a>
<span class="sourceLineNo">087</span> {<a name="line.87"></a>
<span class="sourceLineNo">088</span> count++;<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span> if ( count &lt; 3 )<a name="line.91"></a>
<span class="sourceLineNo">092</span> {<a name="line.92"></a>
<span class="sourceLineNo">093</span> encoded.append( c );<a name="line.93"></a>
<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span> else<a name="line.95"></a>
<span class="sourceLineNo">096</span> {<a name="line.96"></a>
<span class="sourceLineNo">097</span> encoded.append( "$" ).append( String.valueOf( count ) ).append( c );<a name="line.97"></a>
<span class="sourceLineNo">098</span> i += count - 1;<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span> else<a name="line.101"></a>
<span class="sourceLineNo">102</span> {<a name="line.102"></a>
<span class="sourceLineNo">103</span> encoded.append( c );<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> return encoded.toString();<a name="line.107"></a>
<span class="sourceLineNo">108</span> }<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> public static String decode( String encoded )<a name="line.110"></a>
<span class="sourceLineNo">111</span> {<a name="line.111"></a>
<span class="sourceLineNo">112</span> StringBuilder decoded = new StringBuilder();<a name="line.112"></a>
<span class="sourceLineNo">113</span> int enlen = encoded.length();<a name="line.113"></a>
<span class="sourceLineNo">114</span> for ( int i = 0; i &lt; enlen; i++ )<a name="line.114"></a>
<span class="sourceLineNo">115</span> {<a name="line.115"></a>
<span class="sourceLineNo">116</span> char c = encoded.charAt( i );<a name="line.116"></a>
<span class="sourceLineNo">117</span> if ( c == '$' )<a name="line.117"></a>
<span class="sourceLineNo">118</span> {<a name="line.118"></a>
<span class="sourceLineNo">119</span> char nc = encoded.charAt( i + 1 );<a name="line.119"></a>
<span class="sourceLineNo">120</span> if ( nc == '$' )<a name="line.120"></a>
<span class="sourceLineNo">121</span> {<a name="line.121"></a>
<span class="sourceLineNo">122</span> decoded.append( '$' );<a name="line.122"></a>
<span class="sourceLineNo">123</span> i++;<a name="line.123"></a>
<span class="sourceLineNo">124</span> }<a name="line.124"></a>
<span class="sourceLineNo">125</span> else if ( nc == '.' )<a name="line.125"></a>
<span class="sourceLineNo">126</span> {<a name="line.126"></a>
<span class="sourceLineNo">127</span> decoded.append( '\\' );<a name="line.127"></a>
<span class="sourceLineNo">128</span> i++;<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> else if ( nc == 'n' )<a name="line.130"></a>
<span class="sourceLineNo">131</span> {<a name="line.131"></a>
<span class="sourceLineNo">132</span> decoded.append( eol );<a name="line.132"></a>
<span class="sourceLineNo">133</span> i++;<a name="line.133"></a>
<span class="sourceLineNo">134</span> }<a name="line.134"></a>
<span class="sourceLineNo">135</span> else if ( Character.isDigit( nc ) )<a name="line.135"></a>
<span class="sourceLineNo">136</span> {<a name="line.136"></a>
<span class="sourceLineNo">137</span> int count = 0;<a name="line.137"></a>
<span class="sourceLineNo">138</span> int nn = i + 1;<a name="line.138"></a>
<span class="sourceLineNo">139</span> while ( Character.isDigit( nc ) )<a name="line.139"></a>
<span class="sourceLineNo">140</span> {<a name="line.140"></a>
<span class="sourceLineNo">141</span> count = ( count * 10 );<a name="line.141"></a>
<span class="sourceLineNo">142</span> count += ( nc - '0' );<a name="line.142"></a>
<span class="sourceLineNo">143</span> nc = encoded.charAt( ++nn );<a name="line.143"></a>
<span class="sourceLineNo">144</span> }<a name="line.144"></a>
<span class="sourceLineNo">145</span> for ( int d = 0; d &lt; count; d++ )<a name="line.145"></a>
<span class="sourceLineNo">146</span> {<a name="line.146"></a>
<span class="sourceLineNo">147</span> decoded.append( nc );<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span> i = nn;<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span> }<a name="line.151"></a>
<span class="sourceLineNo">152</span> else if ( Character.isLetter( c ) )<a name="line.152"></a>
<span class="sourceLineNo">153</span> {<a name="line.153"></a>
<span class="sourceLineNo">154</span> decoded.append( rot13( c ) );<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span> else<a name="line.156"></a>
<span class="sourceLineNo">157</span> {<a name="line.157"></a>
<span class="sourceLineNo">158</span> decoded.append( c );<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> return decoded.toString();<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> private static char rot13( char c )<a name="line.165"></a>
<span class="sourceLineNo">166</span> {<a name="line.166"></a>
<span class="sourceLineNo">167</span> if ( ( c &gt;= 'a' ) &amp;&amp; ( c &lt;= 'z' ) )<a name="line.167"></a>
<span class="sourceLineNo">168</span> {<a name="line.168"></a>
<span class="sourceLineNo">169</span> char dc = c += 13;<a name="line.169"></a>
<span class="sourceLineNo">170</span> if ( dc &gt; 'z' )<a name="line.170"></a>
<span class="sourceLineNo">171</span> {<a name="line.171"></a>
<span class="sourceLineNo">172</span> dc -= 26;<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span> return dc;<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span> else if ( ( c &gt;= 'A' ) &amp;&amp; ( c &lt;= 'Z' ) )<a name="line.176"></a>
<span class="sourceLineNo">177</span> {<a name="line.177"></a>
<span class="sourceLineNo">178</span> char dc = c += 13;<a name="line.178"></a>
<span class="sourceLineNo">179</span> if ( dc &gt; 'Z' )<a name="line.179"></a>
<span class="sourceLineNo">180</span> {<a name="line.180"></a>
<span class="sourceLineNo">181</span> dc -= 26;<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span> return dc;<a name="line.183"></a>
<span class="sourceLineNo">184</span> }<a name="line.184"></a>
<span class="sourceLineNo">185</span> else<a name="line.185"></a>
<span class="sourceLineNo">186</span> {<a name="line.186"></a>
<span class="sourceLineNo">187</span> return c;<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span> }<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span> public static String injectVersion( String text, String version )<a name="line.191"></a>
<span class="sourceLineNo">192</span> {<a name="line.192"></a>
<span class="sourceLineNo">193</span> Pattern pat = Pattern.compile( "#{2,}" );<a name="line.193"></a>
<span class="sourceLineNo">194</span> Matcher mat = pat.matcher( text );<a name="line.194"></a>
<span class="sourceLineNo">195</span> StringBuilder ret = new StringBuilder();<a name="line.195"></a>
<span class="sourceLineNo">196</span> int off = 0;<a name="line.196"></a>
<span class="sourceLineNo">197</span><a name="line.197"></a>
<span class="sourceLineNo">198</span> while ( mat.find( off ) )<a name="line.198"></a>
<span class="sourceLineNo">199</span> {<a name="line.199"></a>
<span class="sourceLineNo">200</span> ret.append( text.substring( off, mat.start() ) );<a name="line.200"></a>
<span class="sourceLineNo">201</span> String repl = mat.group();<a name="line.201"></a>
<span class="sourceLineNo">202</span> ret.append( StringUtils.center( version, repl.length() ) );<a name="line.202"></a>
<span class="sourceLineNo">203</span> off = mat.end();<a name="line.203"></a>
<span class="sourceLineNo">204</span> }<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> ret.append( text.substring( off ) );<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span> return ret.toString();<a name="line.208"></a>
<span class="sourceLineNo">209</span> }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> public static String getBanner( String version )<a name="line.211"></a>
<span class="sourceLineNo">212</span> {<a name="line.212"></a>
<span class="sourceLineNo">213</span> String encodedBanner = "$26 $34_$n$15 /$._$7 /$34 $.$n$14 /`/@),$4 | Ba" +<a name="line.213"></a>
<span class="sourceLineNo">214</span> " orunys bs nyy bs gur nycnpnf |$n$14 | (~' __| gbvyvat njnl ba " +<a name="line.214"></a>
<span class="sourceLineNo">215</span> "gur Ncnpur Nepuvin |$n$6 _,--.$3_/ |$4 $.$5 cebwrpg grnz, V jbhyq y" +<a name="line.215"></a>
<span class="sourceLineNo">216</span> "vxr gb$3 |$n$4 ,' ,$5 ($3 |$5 $.$5 jrypbzr lbh gb Nepuvin$6 |$" +<a name="line.216"></a>
<span class="sourceLineNo">217</span> "n$4 | ($6 $. /$6 | $32# |$n$5 $. )$._/ ,_/$7 |$36 |$n$5 / /$3 " +<a name="line.217"></a>
<span class="sourceLineNo">218</span> "( |/$9 | uggc://nepuvin.ncnpur.bet/ |$n$4 ( |$4 ( |$10 | hf" +<a name="line.218"></a>
<span class="sourceLineNo">219</span> "ref@nepuvin.ncnpur.bet$7 |$n$5 $.|$5 $.|$11 $.$34_/$n$n";<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span> return injectVersion( decode( encodedBanner ), version );<a name="line.221"></a>
<span class="sourceLineNo">222</span> }<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span> public static void display( String version )<a name="line.224"></a>
<span class="sourceLineNo">225</span> {<a name="line.225"></a>
<span class="sourceLineNo">226</span> String banner = getBanner( version );<a name="line.226"></a>
<span class="sourceLineNo">227</span> LoggerFactory.getLogger( Banner.class ).info( "{} {}{}" , StringUtils.repeat( "_", 25 ), eol, banner );<a name="line.227"></a>
<span class="sourceLineNo">228</span> }<a name="line.228"></a>
<span class="sourceLineNo">229</span>}<a name="line.229"></a>
</pre>
</div>
</body>
</html>