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


</PRE>
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