Examples of org.opengis.filter.expression.Expression.evaluate()

Class org.opengis.filter.expression.Expression

Examples of org.opengis.filter.expression.Expression.evaluate()

org.opengis.filter.expression.Expression.evaluate()
Evaluates the given expression based on the content of the given object.

                    symbolizers[m]).toString());


            if (symbolizers[m] instanceof TextSymbolizer) {
                TextSymbolizer ts = (TextSymbolizer) symbolizers[m];
                Expression ex = ts.getLabel();
                featureLabel.append((String) ex.evaluate(feature, String.class)); // attach
                // the lable title


                Style2D style = styleFactory.createStyle(feature,
                        symbolizers[m], scaleRange);
                writeStyle(style, feature.getID(), symbolizers[m]);

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                // CoordinateReferenceSystem crs = findGeometryCS(feature,
                // symbolizers[m]);
                if (symbolizers[m] instanceof TextSymbolizer) {
                    TextSymbolizer ts = (TextSymbolizer) symbolizers[m];
                    Expression ex = ts.getLabel();
                    String value = (String) ex.evaluate(feature, String.class);
                    title.append(value);


                    Style2D style = styleFactory.createStyle(feature,
                            symbolizers[m], scaleRange);
                    writeStyle(style, feature.getID(), symbolizers[m]);

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            LOGGER.info("Could not determine proper symbolizer opacity.");


            return alpha;
        }


        Float number = (Float) exp.evaluate(null, Float.class);


        if (number == null) {
            return alpha;
        }

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        protected void processSymbolizer(SimpleFeature ft,Rule rule,Symbolizer symbolizer) throws IOException{
          if(symbolizer instanceof TextSymbolizer) {
            // TODO: any check for label definition needed here?
          Expression e = SLD.textLabel((TextSymbolizer) symbolizer);
          // eval label actual value
                Object object = e.evaluate(ft);
                String value = null;


                if (object instanceof String) {
                    value = (String) object;
                } else {

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                super.encodePlacemarkDescription(feature, styles);
                return;
            }
            
            start("description");
            cdata(description.evaluate(feature, String.class));
            end("description");
        }
        
        @Override
        protected void encodePlacemarkSnippet(SimpleFeature feature, FeatureTypeStyle[] styles) {

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            if(abxtract == null) {
                // no snippet then...
                return;
            }
            start("Snippet");
            cdata(abxtract.evaluate(feature, String.class));
            end("Snippet");
        }
        
        @Override
        protected void encodePlacemarkTime(SimpleFeature feature, FeatureTypeStyle[] styles)

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        sb.set("NAME", "Pluto");
        SimpleFeature f = sb.buildFeature("fidxxx");


        String template = "Hello this is ${FID.value} my name is ${NAME.value}";
        Expression freemarker = CQL.toExpression("freemarker('" + template + "')");
        String result = freemarker.evaluate(f, String.class);
        String expected = "Hello this is " + f.getAttribute("FID") + " my name is "
                + f.getAttribute("NAME");
        assertEquals(expected, result);
    }
}

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    //
    // //
    final Expression opacity = entry.getOpacity();
    Double opacityValue = null;
    if (opacity != null)
      opacityValue = opacity.evaluate(null, Double.class);
    else
      return 1.0;
    if ((opacityValue.doubleValue() - 1) > 0
        || opacityValue.doubleValue() < 0) {
      throw new IllegalArgumentException(Errors.format(

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   */
  public static Color color(final ColorMapEntry entry){
    ensureNotNull(entry, "entry");
    final Expression color = entry.getColor();
    ensureNotNull(color, "color");
    final String  colorString= color.evaluate(null, String.class);
    ensureNotNull(colorString, "colorString");
    return color(colorString);
  }
  
  /**

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   */
  public static double getQuantity(final ColorMapEntry entry) {
    ensureNotNull(entry, "entry");
    Expression quantity = entry.getQuantity();
    ensureNotNull(quantity, "quantity");
    Double quantityString = quantity.evaluate(null, Double.class);
    ensureNotNull(quantityString, "quantityString");
    return quantityString.doubleValue();
  }
  
  /**

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