/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.styling;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertTrue;
import static org.custommonkey.xmlunit.XMLAssert.assertXpathEvaluatesTo;
import static org.custommonkey.xmlunit.XMLAssert.assertXpathExists;
import static org.custommonkey.xmlunit.XMLUnit.buildTestDocument;
import static org.custommonkey.xmlunit.XMLUnit.setXpathNamespaceContext;
import java.awt.Color;
import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.TransformerException;
import org.custommonkey.xmlunit.SimpleNamespaceContext;
import org.custommonkey.xmlunit.exceptions.XpathException;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.factory.GeoTools;
import org.junit.Before;
import org.junit.Test;
import org.opengis.filter.FilterFactory2;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Literal;
import org.opengis.filter.expression.PropertyName;
import org.opengis.style.GraphicalSymbol;
import org.opengis.style.Rule;
import org.opengis.style.Symbolizer;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
* This test case captures specific problems encountered with the SLDTransformer code.
* <p>
* Please note that SLDTransformer is specifically targeted at SLD 1.0; for new code you should be
* using the SLD 1.0 (or SE 1.1) xml-xsd bindings.
* </p>
*
* @author Jody
*
*
* @source $URL$
*/
public class SLDTransformerTest {
static StyleFactory2 sf = (StyleFactory2) CommonFactoryFinder.getStyleFactory(null);
static FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
static SLDTransformer transformer;
@Before
public void setUp() throws Exception {
transformer = new SLDTransformer();
transformer.setIndentation(4);
// setup xml unit
Map<String, String> namespaces = new HashMap<String, String>();
namespaces.put("sld", "http://www.opengis.net/sld");
namespaces.put("ogc", "http://www.opengis.net/ogc");
namespaces.put("gml", "http://www.opengis.net/gml");
setXpathNamespaceContext(new SimpleNamespaceContext(namespaces));
}
/**
* This problem is reported from uDig 1.2, we are trying to save a RasterSymbolizer (used to
* record the opacity of a raster layer) out to an SLD file for safe keeping.
*/
@Test
public void testEncodingRasterSymbolizer() throws Exception {
RasterSymbolizer defaultRasterSymbolizer = sf.createRasterSymbolizer();
String xmlFragment = transformer.transform(defaultRasterSymbolizer);
assertNotNull(xmlFragment);
RasterSymbolizer opacityRasterSymbolizer = sf.createRasterSymbolizer();
opacityRasterSymbolizer.setOpacity(ff.literal(1.0));
xmlFragment = transformer.transform(opacityRasterSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
parser.setInput(new StringReader(xmlFragment));
Object out = parser.parseSLD();
assertNotNull(out);
}
/**
* Now that we have uDig 1.2 handling opacity we can start look at something more exciting - a
* complete style object.
*/
@Test
public void testEncodingStyle() throws Exception {
// simple default raster symbolizer
RasterSymbolizer defaultRasterSymbolizer = sf.createRasterSymbolizer();
String xmlFragment = transformer.transform(defaultRasterSymbolizer);
assertNotNull(xmlFragment);
// more complex raster symbolizer
StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory(GeoTools.getDefaultHints());
StyleBuilder styleBuilder = new StyleBuilder(styleFactory);
RasterSymbolizer rasterSymbolizer = styleFactory.createRasterSymbolizer();
// set opacity
rasterSymbolizer.setOpacity((Expression) CommonFactoryFinder.getFilterFactory(
GeoTools.getDefaultHints()).literal(0.25));
// set channel selection
ChannelSelectionImpl csi = new ChannelSelectionImpl();
// red
SelectedChannelTypeImpl redChannel = new SelectedChannelTypeImpl();
redChannel.setChannelName("1");
ContrastEnhancementImpl rcei = new ContrastEnhancementImpl();
rcei.setHistogram();
redChannel.setContrastEnhancement(rcei);
// green
SelectedChannelTypeImpl greenChannel = new SelectedChannelTypeImpl();
greenChannel.setChannelName("4");
ContrastEnhancementImpl gcei = new ContrastEnhancementImpl();
gcei.setGammaValue(ff.literal(2.5));
greenChannel.setContrastEnhancement(gcei);
// blue
SelectedChannelTypeImpl blueChannel = new SelectedChannelTypeImpl();
blueChannel.setChannelName("2");
ContrastEnhancementImpl bcei = new ContrastEnhancementImpl();
bcei.setNormalize();
blueChannel.setContrastEnhancement(bcei);
csi.setRGBChannels(redChannel, greenChannel, blueChannel);
rasterSymbolizer.setChannelSelection(csi);
Style style = styleBuilder.createStyle(rasterSymbolizer);
style.setName("simpleStyle");
// style.setAbstract("Hello World");
NamedLayer layer = styleFactory.createNamedLayer();
layer.addStyle(style);
StyledLayerDescriptor sld = styleFactory.createStyledLayerDescriptor();
sld.addStyledLayer(layer);
xmlFragment = transformer.transform(sld);
// System.out.println(xmlFragment);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
parser.setInput(new StringReader(xmlFragment));
Style[] stuff = parser.readXML();
Style out = stuff[0];
assertNotNull(out);
assertEquals(0.25, SLD.rasterOpacity(out));
}
/**
* This is a problem reported from uDig 1.2; we are trying to save a LineSymbolizer (and then
* restore it) and the stroke is comming back black and with width 1 all the time.
*
* @throws Exception
*/
@Test
public void testStroke() throws Exception {
String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><sld:UserStyle xmlns=\"http://www.opengis.net/sld\" xmlns:sld=\"http://www.opengis.net/sld\" xmlns:ogc=\"http://www.opengis.net/ogc\" xmlns:gml=\"http://www.opengis.net/gml\"><sld:Name>Default Styler</sld:Name><sld:Title>Default Styler</sld:Title><sld:FeatureTypeStyle><sld:Name>simple</sld:Name><sld:Title>title</sld:Title><sld:Abstract>abstract</sld:Abstract><sld:FeatureTypeName>Feature</sld:FeatureTypeName><sld:SemanticTypeIdentifier>generic:geometry</sld:SemanticTypeIdentifier><sld:SemanticTypeIdentifier>simple</sld:SemanticTypeIdentifier><sld:Rule><sld:Title>title</sld:Title><sld:Abstract>abstract</sld:Abstract><sld:MaxScaleDenominator>1.7976931348623157E308</sld:MaxScaleDenominator><sld:LineSymbolizer><sld:Stroke><sld:CssParameter name=\"stroke\"><ogc:Literal>#0000FF</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-linecap\"><ogc:Literal>butt</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-linejoin\"><ogc:Literal>miter</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-opacity\"><ogc:Literal>1.0</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-width\"><ogc:Literal>2.0</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-dashoffset\"><ogc:Literal>0.0</ogc:Literal></sld:CssParameter></sld:Stroke></sld:LineSymbolizer></sld:Rule></sld:FeatureTypeStyle></sld:UserStyle>";
StringReader reader = new StringReader(xml);
SLDParser sldParser = new SLDParser(sf, reader);
Style[] parsed = sldParser.readXML();
assertNotNull("parsed xml", parsed);
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);
assertEquals("blue", Color.BLUE, value);
assertEquals("expected width", 2, (int) stroke.getWidth().evaluate(null, Integer.class));
}
/**
* SLD Fragment reported to produce error on user list - no related Jira.
*
* @throws Exception
*/
@Test
public void testTextSymbolizerLabelPalcement() throws Exception {
String xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>"
+ "<StyledLayerDescriptor version=\"1.0.0\" "
+ " xsi:schemaLocation=\"http://www.opengis.net/sld StyledLayerDescriptor.xsd\" "
+ " xmlns=\"http://www.opengis.net/sld\" "
+ " xmlns:ogc=\"http://www.opengis.net/ogc\" "
+ " xmlns:xlink=\"http://www.w3.org/1999/xlink\" "
+ " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
+ " <NamedLayer>"
+ " <Name>Default Line</Name>"
+ " <UserStyle>"
+ " <Title>A boring default style</Title>"
+ " <Abstract>A sample style that just prints out a blue line</Abstract>"
+ " <FeatureTypeStyle>"
+ " <Rule>"
+ " <Name>Rule 1</Name>"
+ " <Title>Blue Line</Title>"
+ " <Abstract>A blue line with a 1 pixel width</Abstract>"
+ " <LineSymbolizer>"
+ " <Stroke>"
+ " <CssParameter name=\"stroke\">#0000ff</CssParameter>"
+ " </Stroke>"
+ " </LineSymbolizer>"
+ " </Rule>" + " <Rule>"
+ " <TextSymbolizer>"
+ " <Label><ogc:PropertyName>name</ogc:PropertyName></Label>"
+ " <Font>"
+ " <CssParameter name=\"font-family\">Arial</CssParameter>"
+ " <CssParameter name=\"font-style\">normal</CssParameter>"
+ " <CssParameter name=\"font-size\">12</CssParameter>"
+ " <CssParameter name=\"font-weight\">normal</CssParameter>"
+ " </Font>" + " <LabelPlacement>"
+ " <LinePlacement>"
+ " <PerpendicularOffset>0</PerpendicularOffset>"
+ " </LinePlacement>" + " </LabelPlacement>"
+ " </TextSymbolizer>" + " </Rule>"
+ " </FeatureTypeStyle>" + " </UserStyle>"
+ " </NamedLayer>" + "</StyledLayerDescriptor>";
StringReader reader = new StringReader(xml);
SLDParser sldParser = new SLDParser(sf, reader);
Style[] parsed = sldParser.readXML();
assertNotNull("parsed xml", parsed);
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);
assertEquals("blue", Color.BLUE, value);
}
/**
* Another bug reported from uDig 1.2; we are trying to save a LineSymbolizer (and then restore
* it) and the stroke is comming back black and with width 1 all the time.
*
* @throws Exception
*/
@Test
public void testPointSymbolizer() throws Exception {
String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+ "<sld:StyledLayerDescriptor xmlns:sld=\"http://www.opengis.net/sld\" "
+ "xmlns:ogc=\"http://www.opengis.net/ogc\""
+ " xmlns:gml=\"http://www.opengis.net/gml\" version=\"1.0.0\">"
+ " <sld:UserLayer>"
+ " <sld:LayerFeatureConstraints>"
+ " <sld:FeatureTypeConstraint/>"
+ " </sld:LayerFeatureConstraints>"
+ " <sld:UserStyle>"
+ " <sld:Name>Default Styler</sld:Name> "
+ " <sld:Title>Default Styler</sld:Title>"
+ " <sld:Abstract/>"
+ " <sld:FeatureTypeStyle>"
+ " <sld:Name>simple</sld:Name>"
+ " <sld:Title>title</sld:Title>"
+ " <sld:Abstract>abstract</sld:Abstract>"
+ " <sld:FeatureTypeName>Feature</sld:FeatureTypeName>"
+ " <sld:SemanticTypeIdentifier>generic:geometry</sld:SemanticTypeIdentifier>"
+ " <sld:SemanticTypeIdentifier>simple</sld:SemanticTypeIdentifier>"
+ " <sld:Rule>"
+ " <sld:Name>name</sld:Name>"
+ " <sld:Title>title</sld:Title>"
+ " <sld:Abstract>Abstract</sld:Abstract>"
+ " <sld:MaxScaleDenominator>1.7976931348623157E308</sld:MaxScaleDenominator>"
+ " <sld:PointSymbolizer>"
+ " <sld:Graphic>"
+ " <sld:Mark>"
+ " <sld:WellKnownName>triangle</sld:WellKnownName>"
+ " <sld:Fill>"
+ " <sld:CssParameter name=\"fill\">"
+ " <ogc:Literal>#FFFF00</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"fill-opacity\">"
+ " <ogc:Literal>1.0</ogc:Literal>"
+ " </sld:CssParameter>"
+ " </sld:Fill>"
+ " <sld:Stroke>"
+ " <sld:CssParameter name=\"stroke\">"
+ " <ogc:Literal>#008000</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"stroke-linecap\">"
+ " <ogc:Literal>butt</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"stroke-linejoin\">"
+ " <ogc:Literal>miter</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"stroke-opacity\">"
+ " <ogc:Literal>1.0</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"stroke-width\">"
+ " <ogc:Literal>1.0</ogc:Literal>"
+ " </sld:CssParameter>"
+ " <sld:CssParameter name=\"stroke-dashoffset\">"
+ " <ogc:Literal>0.0</ogc:Literal>"
+ " </sld:CssParameter>"
+ " </sld:Stroke>"
+ " </sld:Mark>"
+ " <sld:Opacity>"
+ " <ogc:Literal>1.0</ogc:Literal>"
+ " </sld:Opacity>"
+ " <sld:Size>"
+ " <ogc:Literal>10.0</ogc:Literal>"
+ " </sld:Size>"
+ " <sld:Rotation>"
+ " <ogc:Literal>0.0</ogc:Literal>"
+ " </sld:Rotation>"
+ " </sld:Graphic>"
+ " </sld:PointSymbolizer>" + " </sld:Rule>"
+ " </sld:FeatureTypeStyle>" + " </sld:UserStyle>"
+ " </sld:UserLayer>" + "</sld:StyledLayerDescriptor>";
StringReader reader = new StringReader(xml);
SLDParser sldParser = new SLDParser(sf, reader);
Style[] parsed = sldParser.readXML();
assertNotNull("parsed xml", parsed);
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());
Mark mark = (Mark) symbols.get(0);
Expression color = mark.getFill().getColor();
Color value = color.evaluate(null, Color.class);
assertNotNull("color", value);
assertEquals("blue", Color.YELLOW, value);
}
/**
* We have a pretty serious issue with this class not behaving well when logging is turned on!
* This is the same test as above but with logging enganged at the FINEST level.
*
* @throws Exception
*/
@Test
public void testStrokeWithLogging() throws Exception {
Logger logger = Logger.getLogger("org.geotools.styling");
Level before = logger.getLevel();
try {
logger.setLevel(Level.FINEST);
String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><sld:UserStyle xmlns=\"http://www.opengis.net/sld\" xmlns:sld=\"http://www.opengis.net/sld\" xmlns:ogc=\"http://www.opengis.net/ogc\" xmlns:gml=\"http://www.opengis.net/gml\"><sld:Name>Default Styler</sld:Name><sld:Title>Default Styler</sld:Title><sld:FeatureTypeStyle><sld:Name>simple</sld:Name><sld:Title>title</sld:Title><sld:Abstract>abstract</sld:Abstract><sld:FeatureTypeName>Feature</sld:FeatureTypeName><sld:SemanticTypeIdentifier>generic:geometry</sld:SemanticTypeIdentifier><sld:SemanticTypeIdentifier>simple</sld:SemanticTypeIdentifier><sld:Rule><sld:Title>title</sld:Title><sld:Abstract>abstract</sld:Abstract><sld:MaxScaleDenominator>1.7976931348623157E308</sld:MaxScaleDenominator><sld:LineSymbolizer><sld:Stroke><sld:CssParameter name=\"stroke\"><ogc:Literal>#0000FF</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-linecap\"><ogc:Literal>butt</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-linejoin\"><ogc:Literal>miter</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-opacity\"><ogc:Literal>1.0</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-width\"><ogc:Literal>2.0</ogc:Literal></sld:CssParameter><sld:CssParameter name=\"stroke-dashoffset\"><ogc:Literal>0.0</ogc:Literal></sld:CssParameter></sld:Stroke></sld:LineSymbolizer></sld:Rule></sld:FeatureTypeStyle></sld:UserStyle>";
StringReader reader = new StringReader(xml);
SLDParser sldParser = new SLDParser(sf, reader);
Style[] parsed = sldParser.readXML();
assertNotNull("parsed xml", parsed);
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);
assertEquals("blue", Color.BLUE, value);
assertEquals("expected width", 2, (int) stroke.getWidth().evaluate(null, Integer.class));
} finally {
logger.setLevel(before);
}
}
@Test
public void testUOMEncodingPointSymbolizer() throws Exception {
// simple default line symbolizer
PointSymbolizer pointSymbolizer = sf.createPointSymbolizer();
pointSymbolizer.setUnitOfMeasure(UomOgcMapping.FOOT.getUnit());
String xmlFragment = transformer.transform(pointSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
PointSymbolizer pointSymbolizer2 =
parser.parsePointSymbolizer( dom.getFirstChild());
assertTrue(pointSymbolizer.getUnitOfMeasure().equals(
pointSymbolizer2.getUnitOfMeasure()));
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testUOMEncodingPolygonSymbolizer() throws Exception {
// simple default line symbolizer
PolygonSymbolizer polygonSymbolizer = sf.createPolygonSymbolizer();
polygonSymbolizer.setUnitOfMeasure(UomOgcMapping.METRE.getUnit());
String xmlFragment = transformer.transform(polygonSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
PolygonSymbolizer polygonSymbolizer2 =
parser.parsePolygonSymbolizer(dom.getFirstChild());
assertTrue(polygonSymbolizer.getUnitOfMeasure().equals(
polygonSymbolizer2.getUnitOfMeasure()));
}
@Test
public void testUOMEncodingRasterSymbolizer2() throws Exception {
// simple default line symbolizer
RasterSymbolizer rasterSymbolizer = sf.createRasterSymbolizer();
rasterSymbolizer.setUnitOfMeasure(UomOgcMapping.PIXEL.getUnit());
String xmlFragment = transformer.transform(rasterSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
RasterSymbolizer rasterSymbolizer2 =
parser.parseRasterSymbolizer(dom.getFirstChild());
assertTrue(rasterSymbolizer.getUnitOfMeasure().equals(rasterSymbolizer2.getUnitOfMeasure()));
}
@Test
public void testUOMEncodingLineSymbolizer() throws Exception {
// simple default line symbolizer
LineSymbolizer lineSymbolizer = sf.createLineSymbolizer();
lineSymbolizer.setUnitOfMeasure(UomOgcMapping.METRE.getUnit());
String xmlFragment = transformer.transform(lineSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
LineSymbolizer lineSymbolizer2 =
parser.parseLineSymbolizer(dom.getFirstChild());
assertTrue(lineSymbolizer.getUnitOfMeasure().equals(lineSymbolizer2.getUnitOfMeasure()));
}
@Test
public void testUOMEncodingTextSymbolizer() throws Exception {
// simple default text symbolizer
TextSymbolizer textSymbolizer = sf.createTextSymbolizer();
textSymbolizer.setUnitOfMeasure(UomOgcMapping.FOOT.getUnit());
String xmlFragment = transformer.transform(textSymbolizer);
assertNotNull(xmlFragment);
xmlFragment = transformer.transform(textSymbolizer);
// System.out.println(xmlFragment);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
TextSymbolizer textSymbolizer2 =
parser.parseTextSymbolizer( dom.getFirstChild());
assertTrue(textSymbolizer.getUnitOfMeasure().equals(textSymbolizer2.getUnitOfMeasure()));
}
@Test
public void testNullUOMEncodingPointSymbolizer() throws Exception {
// simple default line symbolizer
PointSymbolizer pointSymbolizer = sf.createPointSymbolizer();
String xmlFragment = transformer.transform(pointSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
PointSymbolizer pointSymbolizer2 = parser.parsePointSymbolizer(dom.getFirstChild());
assertTrue(pointSymbolizer2.getUnitOfMeasure() == null);
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testNullUOMEncodingPolygonSymbolizer() throws Exception {
// simple default line symbolizer
PolygonSymbolizer polygonSymbolizer = sf.createPolygonSymbolizer();
String xmlFragment = transformer.transform(polygonSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
PolygonSymbolizer polygonSymbolizer2 = parser.parsePolygonSymbolizer(dom.getFirstChild());
assertTrue(polygonSymbolizer2.getUnitOfMeasure() == null);
}
@Test
public void testNullUOMEncodingRasterSymbolizer2() throws Exception {
// simple default line symbolizer
RasterSymbolizer rasterSymbolizer = sf.createRasterSymbolizer();
String xmlFragment = transformer.transform(rasterSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
RasterSymbolizer rasterSymbolizer2 = parser.parseRasterSymbolizer(dom.getFirstChild());
assertTrue(rasterSymbolizer2.getUnitOfMeasure() == null);
}
@Test
public void testNullUOMEncodingLineSymbolizer() throws Exception {
// simple default line symbolizer
LineSymbolizer lineSymbolizer = sf.createLineSymbolizer();
String xmlFragment = transformer.transform(lineSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
LineSymbolizer lineSymbolizer2 = parser.parseLineSymbolizer(dom.getFirstChild());
assertTrue(lineSymbolizer2.getUnitOfMeasure() == null);
}
@Test
public void testNullUOMEncodingTextSymbolizer() throws Exception {
// simple default text symbolizer
TextSymbolizer textSymbolizer = sf.createTextSymbolizer();
String xmlFragment = transformer.transform(textSymbolizer);
assertNotNull(xmlFragment);
SLDParser parser = new SLDParser(sf);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document dom = null;
DocumentBuilder db = null;
db = dbf.newDocumentBuilder();
dom = db.parse(new InputSource(new StringReader(xmlFragment)));
TextSymbolizer textSymbolizer2 = parser.parseTextSymbolizer(dom.getFirstChild());
assertTrue(textSymbolizer2.getUnitOfMeasure() == null);
}
/**
* The displacement tag has not been exported to XML for a while...
*/
@Test
public void testDisplacement() throws Exception {
StyleBuilder sb = new StyleBuilder();
Graphic graphic;
graphic = sb.createGraphic();
Displacement disp = sb.createDisplacement(10.1, -5.5);
graphic.setDisplacement(disp);
SLDTransformer st = new SLDTransformer();
String xml = st.transform(graphic);
assertTrue("XML transformation of this GraphicImpl does not contain the word 'Displacement' ", xml.contains("Displacement"));
}
@Test
public void testTextSymbolizerTransformOutAndInAndOutAgain() throws Exception {
StyleBuilder sb = new StyleBuilder();
Style style = sb.createStyle(sb.createTextSymbolizer());
SLDTransformer st = new SLDTransformer();
String firstExport = st.transform(style);
SLDParser sldp = new SLDParser(CommonFactoryFinder.getStyleFactory(null));
sldp.setInput(new StringReader(firstExport));
Style[] firstImport = sldp.readXML();
assertNotNull(firstImport[0]);
// NPE here
String secondExport = st.transform(firstImport);
}
/**
* Checks whether the "Priority" parameter of a TextSymbolizer is correctly stored and loaded
*/
@Test
public void testPriorityTransformOutAndIn() throws Exception {
StyleBuilder sb = new StyleBuilder();
TextSymbolizer ts = sb.createTextSymbolizer();
PropertyName literalPrio = CommonFactoryFinder.getFilterFactory2(null).property(
"quantVariable");
ts.setPriority(literalPrio);
Style style = sb.createStyle(ts);
SLDTransformer st = new SLDTransformer();
String firstExport = st.transform(style);
SLDParser sldp = new SLDParser(CommonFactoryFinder.getStyleFactory(null));
sldp.setInput(new StringReader(firstExport));
Style[] firstImport = sldp.readXML();
assertNotNull(firstImport[0]);
{
Style reimportedStyle = firstImport[0];
TextSymbolizer reimportedTs = (TextSymbolizer) reimportedStyle.featureTypeStyles().get(
0).rules().get(0).symbolizers().get(0);
assertNotNull(reimportedTs.getPriority());
assertEquals("quantVariable", reimportedTs.getPriority().toString());
}
// Just for the fun do it again... we had a case where this threw NPE
{
// NPE here??
String secondExport = st.transform(firstImport);
SLDParser sldp2 = new SLDParser(CommonFactoryFinder.getStyleFactory(null));
sldp2.setInput(new StringReader(secondExport));
Style[] readXML = sldp2.readXML();
Style reimportedStyle = readXML[0];
TextSymbolizer reimportedTs = (TextSymbolizer) reimportedStyle.featureTypeStyles().get(
0).rules().get(0).symbolizers().get(0);
assertNotNull(reimportedTs.getPriority());
assertEquals("quantVariable", reimportedTs.getPriority().toString());
}
}
/**
* SLD Transformer did't save the type of the colormap
*/
@Test
public void testColorMap() throws Exception {
SLDTransformer st = new SLDTransformer();
ColorMap cm = sf.createColorMap();
// Test type = values
cm.setType(ColorMap.TYPE_VALUES);
assertTrue("parsed xml must contain attribbute type with correct value", st.transform(cm).contains("type=\"values\""));
// Test type = intervals
cm.setType(ColorMap.TYPE_INTERVALS);
assertTrue("parsed xml must contain attribbute type with correct value", st.transform(cm).contains("type=\"intervals\""));
// Test type = ramp
cm.setType(ColorMap.TYPE_RAMP);
assertEquals("parsed xml must contain attribbute type with correct value", -1, st.transform(cm).indexOf("type="));
}
/**
* Checks the output of encoding a default line symbolizer does not include all the default values
* @throws Exception
*/
@Test
public void testMinimumLineSymbolizer() throws Exception {
StyleBuilder sb = new StyleBuilder();
LineSymbolizer ls = sb.createLineSymbolizer();
String xml = transformer.transform(ls);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
// check LineSymbolizer has the stroke element inside, but stroke does not have children
assertXpathEvaluatesTo("1", "count(/sld:LineSymbolizer/*)", doc);
assertXpathEvaluatesTo("0", "count(/sld:LineSymbolizer/sld:Stroke/*)", doc);
// setup custom line width and color, and explicitly set the opacity to the default value
ls.getStroke().setWidth(ff.literal(3));
ls.getStroke().setColor(ff.literal(Color.YELLOW));
ls.getStroke().setOpacity(ff.literal(1));
xml = transformer.transform(ls);
// System.out.println(xml);
doc = buildTestDocument(xml);
// same as above, but this time we expect the width and color to be set
assertXpathEvaluatesTo("1", "count(/sld:LineSymbolizer/*)", doc);
assertXpathEvaluatesTo("2", "count(/sld:LineSymbolizer/sld:Stroke/*)", doc);
assertXpathEvaluatesTo("#FFFF00", "/sld:LineSymbolizer/sld:Stroke/sld:CssParameter[@name='stroke']", doc);
assertXpathEvaluatesTo("3", "/sld:LineSymbolizer/sld:Stroke/sld:CssParameter[@name='stroke-width']", doc);
}
@Test
public void testMinimumPolygonSymbolizer() throws Exception {
StyleBuilder sb = new StyleBuilder();
PolygonSymbolizer ps = sb.createPolygonSymbolizer();
String xml = transformer.transform(ps);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
// check PolygonSymbolizer has a fill and a stroke, both empty
assertXpathEvaluatesTo("2", "count(/sld:PolygonSymbolizer/*)", doc);
assertXpathEvaluatesTo("0", "count(/sld:PolygonSymbolizer/sld:Stroke/*)", doc);
assertXpathEvaluatesTo("0", "count(/sld:PolygonSymbolizer/sld:Fill/*)", doc);
ps.getFill().setColor(ff.literal(Color.BLUE));
xml = transformer.transform(ps);
// System.out.println(xml);
doc = buildTestDocument(xml);
// this time check the fill has the color
assertXpathEvaluatesTo("2", "count(/sld:PolygonSymbolizer/*)", doc);
assertXpathEvaluatesTo("0", "count(/sld:PolygonSymbolizer/sld:Stroke/*)", doc);
assertXpathEvaluatesTo("1", "count(/sld:PolygonSymbolizer/sld:Fill/*)", doc);
assertXpathEvaluatesTo("#0000FF", "/sld:PolygonSymbolizer/sld:Fill/sld:CssParameter[@name='fill']", doc);
}
@Test
public void testMinimumPointSymbolizer() throws Exception {
StyleBuilder sb = new StyleBuilder();
PointSymbolizer ps = sb.createPointSymbolizer();
String xml = transformer.transform(ps);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
// check PolygonSymbolizer has a fill and a stroke, both empty
assertXpathEvaluatesTo("1", "count(/sld:PointSymbolizer/*)", doc);
assertXpathEvaluatesTo("1", "count(/sld:PointSymbolizer/sld:Graphic/*)", doc);
assertXpathEvaluatesTo("2", "count(/sld:PointSymbolizer/sld:Graphic/sld:Mark/*)", doc);
assertXpathExists("/sld:PointSymbolizer/sld:Graphic/sld:Mark/sld:Fill", doc);
assertXpathExists("/sld:PointSymbolizer/sld:Graphic/sld:Mark/sld:Stroke", doc);
assertXpathEvaluatesTo("0", "count(/sld:PointSymbolizer/sld:Graphic/sld:Mark/sld:Fill/*)", doc);
assertXpathEvaluatesTo("0", "count(/sld:PointSymbolizer/sld:Graphic/sld:Mark/sld:Stroke/*)", doc);
}
@Test
public void testMinimumRasterSymbolizer() throws Exception {
StyleBuilder sb = new StyleBuilder();
RasterSymbolizer rs = sb.getStyleFactory().createRasterSymbolizer();
String xml = transformer.transform(rs);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
// check RasterSymbolizer just has the default geometry value
// (which is not a default in SLD, just in our builder)
assertXpathEvaluatesTo("1", "count(/sld:RasterSymbolizer/*)", doc);
assertXpathEvaluatesTo("grid", "/sld:RasterSymbolizer/sld:Geometry/ogc:PropertyName", doc);
}
@Test
public void testMinimumStyle() throws Exception {
StyleBuilder sb = new StyleBuilder();
Style s = sb.createStyle(sb.createPointSymbolizer());
String xml = transformer.transform(s);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
// check RasterSymbolizer just has the default geometry value
// (which is not a default in SLD, just in our builder)
assertXpathEvaluatesTo("2", "count(/sld:UserStyle/sld:FeatureTypeStyle/*)", doc);
assertXpathEvaluatesTo("1", "count(/sld:UserStyle/sld:FeatureTypeStyle/sld:Name)", doc);
assertXpathEvaluatesTo("1", "count(/sld:UserStyle/sld:FeatureTypeStyle/sld:Rule)", doc);
assertXpathEvaluatesTo("1", "count(/sld:UserStyle/sld:FeatureTypeStyle/sld:Rule/*)", doc);
assertXpathEvaluatesTo("1", "count(/sld:UserStyle/sld:FeatureTypeStyle/sld:Rule/sld:PointSymbolizer)", doc);
}
@Test
public void testDefaultStyle() throws Exception {
StyleBuilder sb = new StyleBuilder();
Style s = sb.createStyle(sb.createPointSymbolizer());
s.setDefault(true);
StyleFactory sf = sb.getStyleFactory();
StyledLayerDescriptor sld = sf.createStyledLayerDescriptor();
NamedLayer layer = sf.createNamedLayer();
layer.setName("layerName");
layer.addStyle(s);
sld.addStyledLayer(layer);
String xml = transformer.transform(sld);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
assertXpathEvaluatesTo("1", "/sld:StyledLayerDescriptor/sld:NamedLayer/sld:UserStyle/sld:IsDefault", doc);
}
@Test
public void testEncodeFunction() throws Exception {
StyleBuilder sb = new StyleBuilder();
PointSymbolizer ps = sb.createPointSymbolizer();
ps.getGraphic().setSize(sb.getFilterFactory().function("random"));
Style s = sb.createStyle(ps);
s.setDefault(true);
String xml = transformer.transform(s);
// System.out.println(xml);
Document doc = buildTestDocument(xml);
assertXpathEvaluatesTo("random", "/sld:UserStyle/sld:FeatureTypeStyle/sld:Rule/sld:PointSymbolizer/sld:Graphic/sld:Size/ogc:Function/@name", doc);
}
/**
* TextSymbolizer2 specific properties saved and laoded again must fit
*/
@Test
public void textTextSymbolizer2_InAndOut() throws TransformerException, SAXException, IOException, XpathException {
StyleBuilder sb = new StyleBuilder();
TextSymbolizer2 ts2 = (TextSymbolizer2)sf.createTextSymbolizer();
// Create a Graphic with two recognizable values
GraphicImpl gr = new GraphicImpl(ff);
gr.setOpacity(ff.literal(0.77));
gr.setSize(ff.literal(77));
ts2.setGraphic(gr);
Literal snippet = ff.literal("no idea what a snipet is good for");
ts2.setSnippet(snippet);
Literal fD = ff.literal("some description");
ts2.setFeatureDescription(fD);
OtherTextImpl otherText = new OtherTextImpl();
otherText.setTarget("otherTextTarget");
otherText.setText(ff.literal("otherTextText"));
ts2.setOtherText(otherText);
// A first check of the XML
Document doc = buildTestDocument(transformer.transform(ts2));
assertXpathEvaluatesTo("1", "count(/sld:TextSymbolizer/sld:Graphic)", doc);
assertXpathEvaluatesTo("1", "count(/sld:TextSymbolizer/sld:Snippet)", doc);
assertXpathEvaluatesTo("1", "count(/sld:TextSymbolizer/sld:OtherText)", doc);
assertXpathEvaluatesTo("1", "count(/sld:TextSymbolizer/sld:FeatureDescription)", doc);
// Transform and reimport and compare
String xml = transformer.transform(sb.createStyle(ts2));
SLDParser sldParser = new SLDParser(sf);
sldParser.setInput(new StringReader(xml));
Style importedStyle = (Style) sldParser.readXML()[0];
TextSymbolizer2 copy = (TextSymbolizer2)importedStyle.featureTypeStyles().get(0).rules().get(0).symbolizers().get(0);
// compare it
assertEquals("Graphic of TextSymbolizer2 has not been correctly ex- and reimported", gr.getOpacity(), copy
.getGraphic().getOpacity());
assertEquals("Graphic of TextSymbolizer2 has not been correctly ex- and reimported", gr.getSize(), copy
.getGraphic().getSize());
assertEquals("Snippet of TextSymbolizer2 has not been correctly ex- and reimported", snippet, copy
.getSnippet());
assertEquals("FeatureDescription of TextSymbolizer2 has not been correctly ex- and reimported", fD, copy
.getFeatureDescription());
assertEquals("OtherText of TextSymbolizer2 has not been correctly ex- and reimported", otherText.getTarget(), copy
.getOtherText().getTarget());
assertEquals("OtherText of TextSymbolizer2 has not been correctly ex- and reimported", otherText.getText(), copy
.getOtherText().getText());
}
}