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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Cobertura - http://cobertura.sourceforge.net/<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Copyright (C) 2007 Joakim Erdfelt<a name="line.4"></a>
<span class="sourceLineNo">005</span> *<a name="line.5"></a>
<span class="sourceLineNo">006</span> * Cobertura is free software; you can redistribute it and/or modify<a name="line.6"></a>
<span class="sourceLineNo">007</span> * it under the terms of the GNU General Public License as published<a name="line.7"></a>
<span class="sourceLineNo">008</span> * by the Free Software Foundation; either version 2 of the License,<a name="line.8"></a>
<span class="sourceLineNo">009</span> * or (at your option) any later version.<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Cobertura is distributed in the hope that it will be useful, but<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT ANY WARRANTY; without even the implied warranty of<a name="line.12"></a>
<span class="sourceLineNo">013</span> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<a name="line.13"></a>
<span class="sourceLineNo">014</span> * General Public License for more details.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * You should have received a copy of the GNU General Public License<a name="line.16"></a>
<span class="sourceLineNo">017</span> * along with Cobertura; if not, write to the Free Software<a name="line.17"></a>
<span class="sourceLineNo">018</span> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307<a name="line.18"></a>
<span class="sourceLineNo">019</span> * USA<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>package net.sourceforge.cobertura.util;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.InputStream;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.net.URL;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.Properties;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>/**<a name="line.29"></a>
<span class="sourceLineNo">030</span> * A Utility Class to load the configuration.<a name="line.30"></a>
<span class="sourceLineNo">031</span> * <a name="line.31"></a>
<span class="sourceLineNo">032</span> * Checks for values using the following hierarchy.<a name="line.32"></a>
<span class="sourceLineNo">033</span> * 1) System Property matching key.<a name="line.33"></a>
<span class="sourceLineNo">034</span> * 2) cobertura.properties Resource Property matching key.<a name="line.34"></a>
<span class="sourceLineNo">035</span> * 3) hardcoded default value<a name="line.35"></a>
<span class="sourceLineNo">036</span> * <a name="line.36"></a>
<span class="sourceLineNo">037</span> * @author Joakim Erdfelt<a name="line.37"></a>
<span class="sourceLineNo">038</span> */<a name="line.38"></a>
<span class="sourceLineNo">039</span>public class ConfigurationUtil<a name="line.39"></a>
<span class="sourceLineNo">040</span>{<a name="line.40"></a>
<span class="sourceLineNo">041</span> public static final String RESOURCE = "/cobertura.properties";<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span> private Properties props;<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> public ConfigurationUtil()<a name="line.45"></a>
<span class="sourceLineNo">046</span> {<a name="line.46"></a>
<span class="sourceLineNo">047</span> init();<a name="line.47"></a>
<span class="sourceLineNo">048</span> }<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> public void init()<a name="line.50"></a>
<span class="sourceLineNo">051</span> {<a name="line.51"></a>
<span class="sourceLineNo">052</span> props = new Properties();<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> URL url = this.getClass().getResource( RESOURCE );<a name="line.54"></a>
<span class="sourceLineNo">055</span> if ( url == null )<a name="line.55"></a>
<span class="sourceLineNo">056</span> {<a name="line.56"></a>
<span class="sourceLineNo">057</span> DEBUG( "Unable to find configuration resource in classpath of name " + RESOURCE + ", using empty configuration." );<a name="line.57"></a>
<span class="sourceLineNo">058</span> return;<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> InputStream is = null;<a name="line.61"></a>
<span class="sourceLineNo">062</span> try<a name="line.62"></a>
<span class="sourceLineNo">063</span> {<a name="line.63"></a>
<span class="sourceLineNo">064</span> is = url.openStream();<a name="line.64"></a>
<span class="sourceLineNo">065</span> props.load( is );<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span> catch ( IOException e )<a name="line.67"></a>
<span class="sourceLineNo">068</span> {<a name="line.68"></a>
<span class="sourceLineNo">069</span> System.err.println( "ERROR: Unable to load configuration resource " + RESOURCE + " - " + e.getMessage() );<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span> finally<a name="line.71"></a>
<span class="sourceLineNo">072</span> {<a name="line.72"></a>
<span class="sourceLineNo">073</span> IOUtil.closeInputStream( is );<a name="line.73"></a>
<span class="sourceLineNo">074</span> }<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> public String getProperty( String key, String defvalue )<a name="line.77"></a>
<span class="sourceLineNo">078</span> {<a name="line.78"></a>
<span class="sourceLineNo">079</span> String value = System.getProperty( key );<a name="line.79"></a>
<span class="sourceLineNo">080</span> if ( value != null )<a name="line.80"></a>
<span class="sourceLineNo">081</span> {<a name="line.81"></a>
<span class="sourceLineNo">082</span> DEBUG("Using system property value [" + value + "] for key [" + key + "]");<a name="line.82"></a>
<span class="sourceLineNo">083</span> return value;<a name="line.83"></a>
<span class="sourceLineNo">084</span> }<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span> value = props.getProperty( key );<a name="line.86"></a>
<span class="sourceLineNo">087</span> if ( value != null )<a name="line.87"></a>
<span class="sourceLineNo">088</span> {<a name="line.88"></a>
<span class="sourceLineNo">089</span> DEBUG("Using cobertura.properties value [" + value + "] for key [" + key + "]");<a name="line.89"></a>
<span class="sourceLineNo">090</span> return value;<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> DEBUG("Using default value [" + defvalue + "] for key [" + key + "]");<a name="line.93"></a>
<span class="sourceLineNo">094</span> return defvalue;<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> public String getDatafile()<a name="line.97"></a>
<span class="sourceLineNo">098</span> {<a name="line.98"></a>
<span class="sourceLineNo">099</span> return getProperty( "net.sourceforge.cobertura.datafile", "cobertura.ser" );<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span> <a name="line.101"></a>
<span class="sourceLineNo">102</span> /**<a name="line.102"></a>
<span class="sourceLineNo">103</span> * Poor mans debugging.<a name="line.103"></a>
<span class="sourceLineNo">104</span> * Intentionally didn't use log4j, as we dont want to introduce that dependency on instrumented files.<a name="line.104"></a>
<span class="sourceLineNo">105</span> */<a name="line.105"></a>
<span class="sourceLineNo">106</span> private void DEBUG(String msg)<a name="line.106"></a>
<span class="sourceLineNo">107</span> {<a name="line.107"></a>
<span class="sourceLineNo">108</span> if(false)<a name="line.108"></a>
<span class="sourceLineNo">109</span> {<a name="line.109"></a>
<span class="sourceLineNo">110</span> System.out.println("[Cobertura:ConfigurationUtil] " + msg);<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span>}<a name="line.113"></a>
</pre>
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