Revision 46091 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.db/org.gvsig.fmap.dal.db.jdbc/src/main/java/org/gvsig/fmap/dal/store/jdbc2/spi/expressionbuilder/formatters/$Constant.java

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$Constant.java
34 34 
import org.gvsig.fmap.dal.SQLBuilder;
35 35 
import static org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase.PROP_SYMBOLTABLE;
36 36 
import static org.gvsig.expressionevaluator.ExpressionBuilder.FUNCTION_$CONSTANT;
37 
import org.gvsig.expressionevaluator.GeometryExpressionBuilder;
38 
import org.gvsig.fmap.geom.Geometry;
37 39 

  		




  38
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/**


  		




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 *


  		




  ......




  59
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    @Override


  		




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    public String format(Value value) {


  		




  62
  
  
    
        return resolve(this.sqlbuilder.expression(), this.formatter, value);


  		




  
  64
  
    
        return resolve(this.sqlbuilder, this.formatter, value);


  		




  63
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    }


  		




  64
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    public static boolean isConstant(Value value) {


  		




  ......




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               StringUtils.equalsIgnoreCase(((ExpressionBuilder.Function)value).name(),FUNCTION_$CONSTANT);


  		




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    }


  		




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  73
  
  
    
    public static String resolve(Value value) {


  		




  74
  
  
    
        ExpressionBuilder builder = ExpressionUtils.createExpressionBuilder();


  		




  75
  
  
    
        return resolve(builder, null, value);


  		




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    }


  		




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  78
  
  
    
    public static String resolve(ExpressionBuilder builder, Formatter<Value> formatter, Value value) {


  		




  
  76
  
    
    public static String resolve(SQLBuilder sqlbuilder, Formatter<Value> formatter, Value value) {


  		




  
  77
  
    
		GeometryExpressionBuilder builder = sqlbuilder.expression();


  		




  79
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        if( value instanceof ExpressionBuilder.Constant) {


  		




  80
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            Object x = ((ExpressionBuilder.Constant)value).value();


  		




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            return builder.constant(x).toString(formatter);


  		




  ......




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                StringUtils.equalsIgnoreCase(((ExpressionBuilder.Function)value).name(),FUNCTION_$CONSTANT) ) {


  		




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            SymbolTable symbolTable = (SymbolTable) value.getProperty(PROP_SYMBOLTABLE);


  		




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            Object x = ExpressionUtils.evaluate(symbolTable, value.toString());


  		




  
  85
  
    
			


  		




  
  86
  
    
			if( x instanceof Geometry && builder instanceof GeometryExpressionBuilder) {


  		




  
  87
  
    
				GeometryExpressionBuilder gbuilder = (GeometryExpressionBuilder) builder;


  		




  
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				Geometry geom = (Geometry) x;


  		




  
  89
  
    
				String hexwkb = geom.convertToHexWKBQuietly();


  		




  
  90
  
    
				


  		




  
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				Function v = gbuilder.ST_GeomFromWKB(


  		




  
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					gbuilder.decode(


  		




  
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						gbuilder.constant(hexwkb),


  		




  
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						gbuilder.constant("hex")


  		




  
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					),


  		




  
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					gbuilder.constant(


  		




  
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						sqlbuilder.srs_id(geom.getProjection())


  		




  
  98
  
    
					)


  		




  
  99
  
    
				);


  		




  
  100
  
    
				return v.toString(formatter);


  		




  
  101
  
    
			}


  		




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            return builder.constant(x).toString(formatter);


  		




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        } 


  		




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        throw new RuntimeException("Expected constant value or $$CONSTANT function ("+Objects.toString(value)+").");


  		












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