Revision 13444 trunk/extensions/extExpressionField/src/com/iver/cit/gvsig/project/documents/table/operators/IsNumber.java

View differences:

IsNumber.java
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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.andami.PluginServices;


  		




  
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import com.iver.cit.gvsig.ExpressionFieldExtension;


  		




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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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		return "isNumber";


  		




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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,"boolean isNumber (String value){try{java.lang.Double.parseDouble(value);}catch(java.lang.NumberFormatException e){return false;}return true;};");


  		




  
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//		interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"boolean isNumber (String value){try{java.lang.Double.parseDouble(value);}catch(java.lang.NumberFormatException e){return false;}return true;};");


  		




  
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		interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def isNumber(value):\n" +


  		




  
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				"  import java.lang.Double\n" +


  		




  
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				"  import java.lang.NumberFormatException\n" +


  		




  
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				"  try:\n" +


  		




  
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				"    java.lang.Double.parseDouble(value)\n" +


  		




  
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				"  except java.lang.NumberFormatException:\n" +


  		




  
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				"    return 0==1 #false\n" +


  		




  
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				"  return 1==1 #true\n");


  		




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	}


  		




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	public boolean isEnable() {


  		




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		return (getType()==IOperator.STRING);


  		




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	}


  		




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	public String getDescription() {


  		




  
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	    return PluginServices.getText(this, "parameter") + ": " +


  		




  
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	    PluginServices.getText(this, "string_value") + "\n" +


  		




  
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	    PluginServices.getText(this, "returns") + ": " +


  		




  
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	    PluginServices.getText(this, "boolean_value") + "\n" +


  		




  
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	    PluginServices.getText(this, "description") + ": " +


  		




  
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	    "Returns true if the string parameter is a number.";


  		




  
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	}


  		




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}


  		












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