Examples of org.opengis.style.Rule.symbolizers()

org.opengis.style.Rule.symbolizers()
This method returns the list of Symbolizer objects contained by this {@code Rule}. We use a list of to enable the possibility for an implementation to return a special type of Symbolizer. This doesnt mean a Rule must return a list of PointSymbolizer or TextSymbolizer only, no. The purpose of this if to offer the solution to return different implementations like MutableSymbolizer or RichSymbolizer and then avoid redundant cast in the code. If you dont intend to use a special interface you can override this method by : List symbolizers(); @return the list of Symbolizer

        assertTrue("parsed xml into style", parsed.length > 0);


        Style style = parsed[0];
        assertNotNull(style);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        LineSymbolizer lineSymbolize = (LineSymbolizer) rule.symbolizers().get(0);
        Stroke stroke = lineSymbolize.getStroke();


        Expression color = stroke.getColor();
        Color value = color.evaluate(null, Color.class);
        assertNotNull("color", value);

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        assertTrue("parsed xml into style", parsed.length > 0);


        Style style = parsed[0];
        assertNotNull(style);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        LineSymbolizer lineSymbolize = (LineSymbolizer) rule.symbolizers().get(0);
        Stroke stroke = lineSymbolize.getStroke();


        Expression color = stroke.getColor();
        Color value = color.evaluate(null, Color.class);
        assertNotNull("color", value);

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        assertTrue("parsed xml into style", parsed.length > 0);


        Style style = parsed[0];
        assertNotNull(style);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        TextSymbolizer textSymbolize = (TextSymbolizer) rule.symbolizers().get(0);
        LabelPlacement labelPlacement = textSymbolize.getLabelPlacement();


        assertNotNull(labelPlacement);
    }

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        assertTrue("parsed xml into style", parsed.length > 0);


        Style style = parsed[0];
        assertNotNull(style);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        TextSymbolizer textSymbolize = (TextSymbolizer) rule.symbolizers().get(0);
        PointPlacement pointPlacement = (PointPlacement) textSymbolize.getLabelPlacement();


        assertNotNull(pointPlacement);
        assertNotNull(pointPlacement.getRotation());
    }

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        assertTrue("parsed xml into style", parsed.length > 0);


        Style style = parsed[0];
        assertNotNull(style);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        List<? extends Symbolizer> symbolizers = rule.symbolizers();
        assertEquals(1, symbolizers.size());
        PointSymbolizer symbolize = (PointSymbolizer) symbolizers.get(0);
        Graphic graphic = symbolize.getGraphic();
        List<GraphicalSymbol> symbols = graphic.graphicalSymbols();
        assertEquals(1, symbols.size());

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            assertTrue("parsed xml into style", parsed.length > 0);


            Style style = parsed[0];
            assertNotNull(style);
            Rule rule = style.featureTypeStyles().get(0).rules().get(0);
            LineSymbolizer lineSymbolize = (LineSymbolizer) rule.symbolizers().get(0);
            Stroke stroke = lineSymbolize.getStroke();


            Expression color = stroke.getColor();
            Color value = color.evaluate(null, Color.class);
            assertNotNull("color", value);

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        assertNotNull("rules are null", style.featureTypeStyles().get(0).rules());
        assertTrue("more or less that one rule is available", style.featureTypeStyles().get(0).rules().size() == 1);
        Rule rule = style.featureTypeStyles().get(0).rules().get(0);
        assertNotNull("rule is null", rule);


        List<? extends Symbolizer> symbolizers = rule.symbolizers();
        assertNotNull("symbolizers are null", symbolizers);
        assertTrue("more or less that one symbolizer is available", symbolizers.size() == 1);
        PointSymbolizer pointSymbolizer = (PointSymbolizer) symbolizers.get(0);
        assertNotNull("point symbolizer is null", pointSymbolizer);

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        assertEquals(1, fts.rules().size());
    
        Rule rule = fts.rules().get(0);
        assertEquals("main", rule.getName());
        
        assertEquals(1, rule.symbolizers().size());
        
        PolygonSymbolizer sym = (PolygonSymbolizer) rule.symbolizers().get(0);
        assertEquals(UomOgcMapping.PIXEL.getUnit(), sym.getUnitOfMeasure());
        assertEquals(SLD.toColor("#96C3F5"), sym.getFill().getColor().evaluate(null, Color.class));

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        Rule rule = fts.rules().get(0);
        assertEquals("main", rule.getName());
        
        assertEquals(1, rule.symbolizers().size());
        
        PolygonSymbolizer sym = (PolygonSymbolizer) rule.symbolizers().get(0);
        assertEquals(UomOgcMapping.PIXEL.getUnit(), sym.getUnitOfMeasure());
        assertEquals(SLD.toColor("#96C3F5"), sym.getFill().getColor().evaluate(null, Color.class));
        
    }

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        assertEquals(1, cs.rules().size());
        Rule rule = cs.rules().get(0);
        
        assertEquals("ChannelSelection", rule.getName());
        assertEquals("Gray channel mapping", rule.getDescription().getTitle().toString());
        assertEquals(1, rule.symbolizers().size());
        
        RasterSymbolizer sym = (RasterSymbolizer) rule.symbolizers().get(0);
        assertEquals("Band.band1", sym.getChannelSelection().getGrayChannel().getChannelName());
    }

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