svn-gvsig-desktop / trunk / extensions / extCAD / src / com / iver / cit / gvsig / project / documents / table / operators / Log.java @ 10254
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package com.iver.cit.gvsig.project.documents.table.operators; |
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import org.apache.bsf.BSFException; |
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import org.apache.bsf.BSFManager; |
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import com.iver.cit.gvsig.ExpresionFieldExtension; |
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import com.iver.cit.gvsig.project.documents.table.AbstractOperator; |
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import com.iver.cit.gvsig.project.documents.table.IOperator; |
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/**
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* @author Vicente Caballero Navarro
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*/
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public class Log extends AbstractOperator{ |
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public String addText(String s) { |
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return toString()+"("+s+")"; |
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} |
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public String toString() { |
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return "log"; |
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} |
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public void eval(BSFManager interpreter) throws BSFException { |
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interpreter.eval(ExpresionFieldExtension.BEANSHELL,null,-1,-1,"double log(double value){return java.lang.Math.log(value);};"); |
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} |
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public boolean isEnable() { |
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return (getType()==IOperator.NUMBER);
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} |
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} |