/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2010, Open Source Geospatial Foundation (OSGeo)
*
* This file is hereby placed into the Public Domain. This means anyone is
* free to do whatever they wish with this file. Use it well and enjoy!
*/
package org.geotools.render;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.xml.transform.TransformerException;
import net.miginfocom.swing.MigLayout;
import org.geotools.data.Parameter;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.styling.FeatureTypeConstraint;
import org.geotools.styling.SLDParser;
import org.geotools.styling.SLDTransformer;
import org.geotools.styling.StyleFactory;
import org.geotools.styling.StyledLayerDescriptor;
import org.geotools.styling.UserLayer;
import org.geotools.swing.data.JParameterListWizard;
import org.geotools.swing.wizard.JWizard;
import org.geotools.util.KVP;
import org.geotools.xml.Encoder;
import org.opengis.style.Style;
/**
* StyleConverter example used to demonstrate reading and writing of SLD and SE
* files.
*
* @author Jody Garnett
*
*/
public class StyleConverter extends JFrame {
private static final String SE_1_1 = "se 1.1";
private static final String SLD_1_1 = "sld 1.1";
private static final String SLD_1_0 = "sld 1.0";
private static final long serialVersionUID = -3407373356333558440L;
Style style;
private JTextArea text;
private ActionListener convertListener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
if (SLD_1_0.equals(command)) {
convertToSLD_1_0();
}
if (SLD_1_1.equals(command)) {
convertToSLD_1_1();
}
if (SE_1_1.equals(command)) {
convertToSE_1_1();
}
}
};
private ButtonGroup group;
private JButton importSLD;
private JButton importSE;
private JButton export;
private JRadioButton sldButton1_0;
private JRadioButton seButton_1_1;
private JRadioButton sldButton_1_1;
public static void main(String... args) {
JFrame frame = new StyleConverter();
frame.setVisible(true);
}
public StyleConverter() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
text = new JTextArea(40, 80);
sldButton1_0 = new JRadioButton(SLD_1_0);
seButton_1_1 = new JRadioButton(SE_1_1);
sldButton_1_1 = new JRadioButton(SLD_1_0);
group = new ButtonGroup();
group.add(sldButton1_0);
group.add(seButton_1_1);
group.add(sldButton_1_1);
sldButton1_0.addActionListener(convertListener);
seButton_1_1.addActionListener(convertListener);
sldButton_1_1.addActionListener(convertListener);
importSLD = new JButton("Import SLD");
importSLD.setActionCommand("importSLD");
export.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (style != null) {
importSLD();
}
}
});
importSE = new JButton("Import SE");
importSE.setEnabled(false);
export = new JButton("Export");
export.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (style != null) {
export();
}
}
});
getContentPane().setLayout(
new MigLayout("", "[[]][][][grow][]", "[][][][][grow][]"));
getContentPane().add(new JLabel("Format"),
"cell 0 0,alignx left,aligny top");
getContentPane().add(sldButton1_0, "cell 1 0");
getContentPane().add(seButton_1_1, "cell 2 0");
getContentPane().add(sldButton_1_1, "cell 3 0");
getContentPane().add(new JLabel("Style"),
"cell 0 1,alignx left,aligny top");
getContentPane().add(new JScrollPane(text), "cell 0 2 5 5,grow");
getContentPane().add(importSLD, "cell 6 2");
getContentPane().add(importSE, "cell 6 3");
getContentPane().add(export, "cell 6 5");
}
private File importStyleWizard(String prompt, String ext, String format) {
List<Parameter<?>> list = new ArrayList<>();
list.add(new Parameter<>("import", File.class, ext, format, new KVP(Parameter.EXT, "sld")));
JParameterListWizard wizard = new JParameterListWizard("Import Style",
prompt, list);
int finish = wizard.showModalDialog();
if (finish != JWizard.FINISH) {
return null; // no file selected
}
File file = (File) wizard.getConnectionParameters().get("import");
return file;
}
protected void importSLD() {
File file = importStyleWizard("Select style layer descriptor 1.0 document","sld","style layer descriptor");
if( file == null ) return; // cancel
StyleFactory factory = CommonFactoryFinder.getStyleFactory();
SLDParser sldParser = new SLDParser(factory);
}
protected void export() {
String format = group.getSelection().getActionCommand();
}
private void convertToSE_1_1() {
if (style == null) {
JOptionPane.showMessageDialog(this, "Style not defined");
return;
}
org.geotools.sld.v1_1.SLDConfiguration configuration = new org.geotools.sld.v1_1.SLDConfiguration();
Encoder encoder = new org.geotools.xml.Encoder(configuration);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
encoder.encode(style,
org.geotools.sld.bindings.SLD.FEATURETYPESTYLE,
outputStream);
String document = outputStream.toString("UTF-8");
text.setText(document);
} catch (IOException e) {
e.printStackTrace();
}
}
private void convertToSLD_1_0() {
if (style == null) {
JOptionPane.showMessageDialog(this, "Style not defined");
return;
}
SLDTransformer aTransformer = new SLDTransformer();
aTransformer.setIndentation(4);
try {
String document = aTransformer.transform(style);
display(document, SLD_1_0);
} catch (TransformerException e) {
e.printStackTrace();
return;
}
}
private void convertToSLD_1_1() {
if (style == null) {
JOptionPane.showMessageDialog(this, "Style not defined");
return;
}
// Wrap style as an SLD
StyleFactory factory = CommonFactoryFinder.getStyleFactory();
StyledLayerDescriptor sld = factory.createStyledLayerDescriptor();
org.geotools.sld.v1_1.SLDConfiguration configuration = new org.geotools.sld.v1_1.SLDConfiguration();
Encoder encoder = new org.geotools.xml.Encoder(configuration);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
encoder.encode(style,
org.geotools.sld.bindings.SLD.STYLEDLAYERDESCRIPTOR,
outputStream);
String document = outputStream.toString("UTF-8");
display(document, SLD_1_1);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Update displayed text and format.
*
* @param document
* @param format
*/
public void display(String document, String format) {
if (document == null) {
text.setText("<!-- copy or import style document here -->");
seButton_1_1.setSelected(false);
sldButton1_0.setSelected(true);
sldButton_1_1.setSelected(false);
return;
}
text.setText(document);
if (SLD_1_0.equals(format)) {
sldButton1_0.setSelected(true);
} else if (SLD_1_1.equals(format)) {
sldButton_1_1.setSelected(true);
} else if (SE_1_1.equals(format)) {
sldButton_1_1.setSelected(true);
} else {
seButton_1_1.setSelected(false);
sldButton1_0.setSelected(false);
sldButton_1_1.setSelected(false);
}
}
private void readSLD_1_0() {
StyleFactory factory = CommonFactoryFinder.getStyleFactory();
StringReader reader = new StringReader(text.getText());
SLDParser sldParser = new SLDParser(factory, reader);
Style[] parsed = sldParser.readXML();
if (parsed != null && parsed.length > 0) {
style = parsed[0];
}
}
public static StyledLayerDescriptor createDefaultSLD(Style style) {
StyleFactory factory = CommonFactoryFinder.getStyleFactory();
StyledLayerDescriptor sld = factory.createStyledLayerDescriptor();
UserLayer layer = factory.createUserLayer();
// FeatureTypeConstraint ftc =
// styleFactory.createFeatureTypeConstraint(null, Filter.INCLUDE, null);
layer.setLayerFeatureConstraints(new FeatureTypeConstraint[] { null });
sld.addStyledLayer(layer);
layer.addUserStyle((org.geotools.styling.Style) style);
return sld;
}
}