Revision 27739 trunk/extensions/extExpressionField/src/com/iver/cit/gvsig/project/documents/table/operators/FieldCopy.java

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FieldCopy.java
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package com.iver.cit.gvsig.project.documents.table.operators;
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import java.util.Date;


  		




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import org.apache.bsf.BSFException;


  		




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import org.apache.bsf.BSFManager;


  		




  
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;


  		




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import com.hardcode.gdbms.driver.exceptions.ReadDriverException;


  		




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import com.hardcode.gdbms.engine.values.BooleanValue;


  		




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import com.hardcode.gdbms.engine.values.DateValue;


  		




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import com.hardcode.gdbms.engine.values.NumericValue;


  		




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import com.hardcode.gdbms.engine.values.Value;


  		




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import com.iver.cit.gvsig.ExpressionFieldExtension;


  		




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import com.iver.cit.gvsig.fmap.drivers.FieldDescription;


  		




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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource;


  		




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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.Index;


  		




  
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import com.iver.cit.gvsig.project.documents.table.gui.FeatureContainer;


  		




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/**


  		




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 * @author Vicente Caballero Navarro


  		




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 */


  		




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public class FieldCopy extends AbstractOperator{


  		




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	private FieldDescription fd;


  		




  
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	private FeatureAttributeDescriptor fd;


  		




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	public FieldCopy() {


  		




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	}


  		




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	public void setFieldDescription(FieldDescription fd) {


  		




  
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	public void setFieldDescription(FeatureAttributeDescriptor fd) {


  		




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		this.fd=fd;


  		




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	}


  		




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	public String addText(String s) {


  		




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	}


  		




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	public void eval(BSFManager interpreter) throws BSFException {


  		




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		interpreter.declareBean(fd.getFieldAlias(),this,FieldCopy.class);


  		




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		interpreter.eval(ExpressionFieldExtension.JYTHON,null,-1,-1,"java.lang.Object "+ fd.getFieldAlias()+ "(){return "+fd.getFieldAlias()+".getValue(indexRow,sds);};");


  		




  
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		interpreter.declareBean(fd.getName(),this,FieldCopy.class);


  		




  
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		interpreter.eval(ExpressionFieldExtension.JYTHON,null,-1,-1,"java.lang.Object "+ fd.getName()+ "(){return "+fd.getName()+".getValue(featureContainer);};");


  		




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	}


  		




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	public Object getValue(Index indexRow,SelectableDataSource sds) {


  		




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		try {


  		




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			int index=sds.getFieldIndexByName(fd.getFieldName());


  		




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			Value value=sds.getFieldValue(indexRow.get(),index);


  		




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			if (value instanceof NumericValue) {


  		




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				double dv=((NumericValue)value).doubleValue();


  		




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				return new Double(dv);


  		




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			}else if (value instanceof DateValue) {


  		




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				Date date=((DateValue)value).getValue();


  		




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				return date;


  		




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			}else if (value instanceof BooleanValue){


  		




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				boolean b=((BooleanValue)value).getValue();


  		




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				return new Boolean(b);


  		




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			}else {


  		




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				return value.toString();


  		




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			}


  		




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		} catch (ReadDriverException e) {


  		




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			throw new RuntimeException(e.getMessage());


  		




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		}


  		




  
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	public Object getValue(FeatureContainer featureContainer){


  		




  
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		return featureContainer.getFeature().get(fd.getName());


  		




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	}


  		




  
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//	public Object getValue(Index indexRow,FeatureStore sds) {


  		




  
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//		try {


  		




  
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//			int index=sds.getFieldIndexByName(fd.getName());


  		




  
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//			Value value=sds.getFieldValue(indexRow.get(),index);


  		




  
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//			if (value instanceof NumericValue) {


  		




  
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//				double dv=((NumericValue)value).doubleValue();


  		




  
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//				return new Double(dv);


  		




  
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//			}else if (value instanceof DateValue) {


  		




  
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//				Date date=((DateValue)value).getValue();


  		




  
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//				return date;


  		




  
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//			}else if (value instanceof BooleanValue){


  		




  
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//				boolean b=((BooleanValue)value).getValue();


  		




  
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//				return new Boolean(b);


  		




  
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//			}else {


  		




  
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//				return value.toString();


  		




  
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//			}


  		




  
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//		} catch (ReadDriverException e) {


  		




  
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//			throw new RuntimeException(e.getMessage());


  		




  
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//		}


  		




  
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//	}


  		




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	public String toString() {


  		




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		return "["+fd.getFieldAlias()+"]";


  		




  
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		return "["+fd.getName()+"]";


  		




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	}


  		




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	public boolean isEnable() {


  		




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		return true;


  		












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