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<FONT color="green">001</FONT> package org.maltparser.core.helper;<a name="line.1"></a>
<FONT color="green">002</FONT> <a name="line.2"></a>
<FONT color="green">003</FONT> import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT> import java.io.IOException;<a name="line.4"></a>
<FONT color="green">005</FONT> import java.net.URL;<a name="line.5"></a>
<FONT color="green">006</FONT> import java.net.URLDecoder;<a name="line.6"></a>
<FONT color="green">007</FONT> import java.util.jar.Attributes;<a name="line.7"></a>
<FONT color="green">008</FONT> import java.util.jar.JarFile;<a name="line.8"></a>
<FONT color="green">009</FONT> import java.util.jar.Manifest;<a name="line.9"></a>
<FONT color="green">010</FONT> <a name="line.10"></a>
<FONT color="green">011</FONT> import org.maltparser.core.exception.MaltChainedException;<a name="line.11"></a>
<FONT color="green">012</FONT> import org.maltparser.core.options.OptionManager;<a name="line.12"></a>
<FONT color="green">013</FONT> /**<a name="line.13"></a>
<FONT color="green">014</FONT> *<a name="line.14"></a>
<FONT color="green">015</FONT> *<a name="line.15"></a>
<FONT color="green">016</FONT> * @author Johan Hall<a name="line.16"></a>
<FONT color="green">017</FONT> */<a name="line.17"></a>
<FONT color="green">018</FONT> public class SystemInfo {<a name="line.18"></a>
<FONT color="green">019</FONT> private static SystemInfo uniqueInstance = new SystemInfo();<a name="line.19"></a>
<FONT color="green">020</FONT> private static String version;<a name="line.20"></a>
<FONT color="green">021</FONT> private static String buildDate;<a name="line.21"></a>
<FONT color="green">022</FONT> private static Attributes manifestAttributes;<a name="line.22"></a>
<FONT color="green">023</FONT> private static File maltJarPath;<a name="line.23"></a>
<FONT color="green">024</FONT> <a name="line.24"></a>
<FONT color="green">025</FONT> private SystemInfo() {<a name="line.25"></a>
<FONT color="green">026</FONT> try {<a name="line.26"></a>
<FONT color="green">027</FONT> getManifestInfo();<a name="line.27"></a>
<FONT color="green">028</FONT> <a name="line.28"></a>
<FONT color="green">029</FONT> String[] jarfiles = System.getProperty("java.class.path").split(File.pathSeparator);<a name="line.29"></a>
<FONT color="green">030</FONT> for (int i = 0; i < jarfiles.length; i++) {<a name="line.30"></a>
<FONT color="green">031</FONT> if (jarfiles[i].endsWith("malt.jar")) {<a name="line.31"></a>
<FONT color="green">032</FONT> maltJarPath = new File(new File(jarfiles[i]).getAbsolutePath());<a name="line.32"></a>
<FONT color="green">033</FONT> } <a name="line.33"></a>
<FONT color="green">034</FONT> }<a name="line.34"></a>
<FONT color="green">035</FONT> } catch (MaltChainedException e) {<a name="line.35"></a>
<FONT color="green">036</FONT> if (SystemLogger.logger().isDebugEnabled()) {<a name="line.36"></a>
<FONT color="green">037</FONT> SystemLogger.logger().debug("",e);<a name="line.37"></a>
<FONT color="green">038</FONT> } else {<a name="line.38"></a>
<FONT color="green">039</FONT> SystemLogger.logger().error(e.getMessageChain());<a name="line.39"></a>
<FONT color="green">040</FONT> }<a name="line.40"></a>
<FONT color="green">041</FONT> System.exit(1);<a name="line.41"></a>
<FONT color="green">042</FONT> }<a name="line.42"></a>
<FONT color="green">043</FONT> }<a name="line.43"></a>
<FONT color="green">044</FONT> <a name="line.44"></a>
<FONT color="green">045</FONT> /**<a name="line.45"></a>
<FONT color="green">046</FONT> * Returns a reference to the single instance.<a name="line.46"></a>
<FONT color="green">047</FONT> */<a name="line.47"></a>
<FONT color="green">048</FONT> public static SystemInfo instance() {<a name="line.48"></a>
<FONT color="green">049</FONT> return uniqueInstance;<a name="line.49"></a>
<FONT color="green">050</FONT> }<a name="line.50"></a>
<FONT color="green">051</FONT> <a name="line.51"></a>
<FONT color="green">052</FONT> /**<a name="line.52"></a>
<FONT color="green">053</FONT> * Returns the application header<a name="line.53"></a>
<FONT color="green">054</FONT> * <a name="line.54"></a>
<FONT color="green">055</FONT> * @return the application header<a name="line.55"></a>
<FONT color="green">056</FONT> */<a name="line.56"></a>
<FONT color="green">057</FONT> public static String header() {<a name="line.57"></a>
<FONT color="green">058</FONT> StringBuilder sb = new StringBuilder();<a name="line.58"></a>
<FONT color="green">059</FONT> sb.append(<a name="line.59"></a>
<FONT color="green">060</FONT> "-----------------------------------------------------------------------------\n"+<a name="line.60"></a>
<FONT color="green">061</FONT> " MaltParser "+version+" \n"+<a name="line.61"></a>
<FONT color="green">062</FONT> "-----------------------------------------------------------------------------\n"+<a name="line.62"></a>
<FONT color="green">063</FONT> " MALT (Models and Algorithms for Language Technology) Group \n"+<a name="line.63"></a>
<FONT color="green">064</FONT> " Vaxjo University and Uppsala University \n"+<a name="line.64"></a>
<FONT color="green">065</FONT> " Sweden \n"+<a name="line.65"></a>
<FONT color="green">066</FONT> "-----------------------------------------------------------------------------\n");<a name="line.66"></a>
<FONT color="green">067</FONT> return sb.toString();<a name="line.67"></a>
<FONT color="green">068</FONT> }<a name="line.68"></a>
<FONT color="green">069</FONT> <a name="line.69"></a>
<FONT color="green">070</FONT> /**<a name="line.70"></a>
<FONT color="green">071</FONT> * Returns a short version of the help<a name="line.71"></a>
<FONT color="green">072</FONT> * <a name="line.72"></a>
<FONT color="green">073</FONT> * @return a short version of the help<a name="line.73"></a>
<FONT color="green">074</FONT> */<a name="line.74"></a>
<FONT color="green">075</FONT> public static String shortHelp() {<a name="line.75"></a>
<FONT color="green">076</FONT> StringBuilder sb = new StringBuilder();<a name="line.76"></a>
<FONT color="green">077</FONT> sb.append("\n"+<a name="line.77"></a>
<FONT color="green">078</FONT> "Usage: \n"+<a name="line.78"></a>
<FONT color="green">079</FONT> " java -jar malt.jar -f <path to option file> <options>\n"+<a name="line.79"></a>
<FONT color="green">080</FONT> " java -jar malt.jar -h for more help and options\n\n"+<a name="line.80"></a>
<FONT color="green">081</FONT> OptionManager.instance().getOptionDescriptions().toStringOptionGroup("system")+<a name="line.81"></a>
<FONT color="green">082</FONT> "Documentation: docs/index.html\n");<a name="line.82"></a>
<FONT color="green">083</FONT> return sb.toString();<a name="line.83"></a>
<FONT color="green">084</FONT> }<a name="line.84"></a>
<FONT color="green">085</FONT> <a name="line.85"></a>
<FONT color="green">086</FONT> /**<a name="line.86"></a>
<FONT color="green">087</FONT> * Returns a set of attributes present in the jar manifest file<a name="line.87"></a>
<FONT color="green">088</FONT> * <a name="line.88"></a>
<FONT color="green">089</FONT> * @return a set of attributes present in the jar manifest file<a name="line.89"></a>
<FONT color="green">090</FONT> */<a name="line.90"></a>
<FONT color="green">091</FONT> public static Attributes getManifestAttributes() {<a name="line.91"></a>
<FONT color="green">092</FONT> return manifestAttributes;<a name="line.92"></a>
<FONT color="green">093</FONT> }<a name="line.93"></a>
<FONT color="green">094</FONT> <a name="line.94"></a>
<FONT color="green">095</FONT> /**<a name="line.95"></a>
<FONT color="green">096</FONT> * Returns the version number as string<a name="line.96"></a>
<FONT color="green">097</FONT> * <a name="line.97"></a>
<FONT color="green">098</FONT> * @return the version number as string<a name="line.98"></a>
<FONT color="green">099</FONT> */<a name="line.99"></a>
<FONT color="green">100</FONT> public static String getVersion() {<a name="line.100"></a>
<FONT color="green">101</FONT> return version;<a name="line.101"></a>
<FONT color="green">102</FONT> }<a name="line.102"></a>
<FONT color="green">103</FONT> <a name="line.103"></a>
<FONT color="green">104</FONT> /**<a name="line.104"></a>
<FONT color="green">105</FONT> * Returns the build date<a name="line.105"></a>
<FONT color="green">106</FONT> * <a name="line.106"></a>
<FONT color="green">107</FONT> * @return the build date<a name="line.107"></a>
<FONT color="green">108</FONT> */<a name="line.108"></a>
<FONT color="green">109</FONT> public static String getBuildDate() {<a name="line.109"></a>
<FONT color="green">110</FONT> return buildDate;<a name="line.110"></a>
<FONT color="green">111</FONT> }<a name="line.111"></a>
<FONT color="green">112</FONT> <a name="line.112"></a>
<FONT color="green">113</FONT> public static File getMaltJarPath() {<a name="line.113"></a>
<FONT color="green">114</FONT> return maltJarPath;<a name="line.114"></a>
<FONT color="green">115</FONT> }<a name="line.115"></a>
<FONT color="green">116</FONT> <a name="line.116"></a>
<FONT color="green">117</FONT> /**<a name="line.117"></a>
<FONT color="green">118</FONT> * Loads the manifest attributes from the manifest in the jar-file<a name="line.118"></a>
<FONT color="green">119</FONT> * <a name="line.119"></a>
<FONT color="green">120</FONT> * @throws MaltChainedException<a name="line.120"></a>
<FONT color="green">121</FONT> */<a name="line.121"></a>
<FONT color="green">122</FONT> private void getManifestInfo() throws MaltChainedException {<a name="line.122"></a>
<FONT color="green">123</FONT> try {<a name="line.123"></a>
<FONT color="green">124</FONT> URL codeBase = SystemInfo.class.getProtectionDomain().getCodeSource().getLocation();<a name="line.124"></a>
<FONT color="green">125</FONT> if(codeBase != null && codeBase.getPath().endsWith(".jar")) {<a name="line.125"></a>
<FONT color="green">126</FONT> JarFile jarfile = new JarFile(URLDecoder.decode(codeBase.getPath(),java.nio.charset.Charset.defaultCharset().name()));<a name="line.126"></a>
<FONT color="green">127</FONT> Manifest manifest = jarfile.getManifest();<a name="line.127"></a>
<FONT color="green">128</FONT> Attributes manifestAttributes = manifest.getMainAttributes();<a name="line.128"></a>
<FONT color="green">129</FONT> version = manifestAttributes.getValue("Implementation-Version");<a name="line.129"></a>
<FONT color="green">130</FONT> buildDate = manifestAttributes.getValue("Build-Date");<a name="line.130"></a>
<FONT color="green">131</FONT> }<a name="line.131"></a>
<FONT color="green">132</FONT> } catch(IOException e) {<a name="line.132"></a>
<FONT color="green">133</FONT> version = "";<a name="line.133"></a>
<FONT color="green">134</FONT> buildDate = "Not available";<a name="line.134"></a>
<FONT color="green">135</FONT> e.printStackTrace();<a name="line.135"></a>
<FONT color="green">136</FONT> }<a name="line.136"></a>
<FONT color="green">137</FONT> }<a name="line.137"></a>
<FONT color="green">138</FONT> }<a name="line.138"></a>
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