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package skrueger.geotools; |
/******************************************************************************* |
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|
* Copyright (c) 2009 Martin O. J. Schmitz. |
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import java.io.IOException; |
* |
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import java.net.URL; |
* This file is part of the SCHMITZM library - a collection of utility |
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import java.util.HashMap; |
* classes based on Java 1.6, focussing (not only) on Java Swing |
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import java.util.Map; |
* and the Geotools library. |
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|
* |
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import javax.swing.ImageIcon; |
* The SCHMITZM project is hosted at: |
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|
* http://wald.intevation.org/projects/schmitzm/ |
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import org.geotools.data.FeatureSource; |
* |
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import org.geotools.data.collection.CollectionDataStore; |
* This program is free software; you can redistribute it and/or |
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import org.geotools.feature.AttributeType; |
* modify it under the terms of the GNU Lesser General Public License |
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import org.geotools.feature.FeatureCollection; |
* as published by the Free Software Foundation; either version 3 |
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import org.geotools.feature.FeatureType; |
* of the License, or (at your option) any later version. |
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import org.geotools.styling.Style; |
* |
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|
* This program is distributed in the hope that it will be useful, |
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import schmitzm.geotools.feature.FeatureUtil; |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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import skrueger.AttributeMetaData; |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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import skrueger.i8n.Translation; |
* GNU General Public License for more details. |
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|
* |
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/** |
* You should have received a copy of the GNU Lesser General Public License (license.txt) |
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* This class provides a simple implementation of {@link StyledLayerInterface} for |
* along with this program; if not, write to the Free Software |
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* {@link FeatureCollection}. The uncache functionality is not supported, |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* because this class bases on an existing {@link FeatureCollection} object in |
* or try this link: http://www.gnu.org/licenses/lgpl.html |
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* memory. |
* |
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* |
* Contributors: |
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* @author <a href="mailto:[email protected]">Martin Schmitz</a> |
* Martin O. J. Schmitz - initial API and implementation |
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* (University of Bonn/Germany) |
* Stefan A. Krüger - additional utility classes |
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* @version 1.0 |
******************************************************************************/ |
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*/ |
package skrueger.geotools; |
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public class StyledFeatureCollection extends |
|
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AbstractStyledLayer<FeatureCollection> implements |
import java.io.IOException; |
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StyledFeatureCollectionInterface { |
import java.net.URL; |
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|
import java.util.HashMap; |
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/** Holds the meta data for displaying a legend. */ |
import java.util.Map; |
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protected Map<Integer, AttributeMetaData> attrMetaData = null; |
|
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|
import javax.swing.ImageIcon; |
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/** |
|
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* We be filled with a "virtual" {@link FeatureSource} on demand. |
import org.geotools.data.FeatureSource; |
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*/ |
import org.geotools.data.collection.CollectionDataStore; |
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private FeatureSource featureSource = null; |
import org.geotools.feature.AttributeType; |
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|
import org.geotools.feature.FeatureCollection; |
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/** |
import org.geotools.feature.FeatureType; |
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* Creates a styled {@link FeatureCollection} with language-specific |
import org.geotools.styling.Style; |
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* informations. |
|
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* |
import schmitzm.geotools.feature.FeatureUtil; |
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* @param fc |
import skrueger.AttributeMetaData; |
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* the {@link FeatureCollection} |
import skrueger.i8n.Translation; |
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* @param id |
|
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* a unique ID for the object |
/** |
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* @param title |
* This class provides a simple implementation of {@link StyledLayerInterface} for |
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* a (language-specific) short description |
* {@link FeatureCollection}. The uncache functionality is not supported, |
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* @param desc |
* because this class bases on an existing {@link FeatureCollection} object in |
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* a (language-specific) long description |
* memory. |
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* @param keywords |
* |
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* (language-specific) keywords for the geo objects |
* @author <a href="mailto:[email protected]">Martin Schmitz</a> |
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* @param style |
* (University of Bonn/Germany) |
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* a display style (if {@code null}, a default style is created) |
* @version 1.0 |
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* @param attrMetaData |
*/ |
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* meta data for displaying a legend |
public class StyledFeatureCollection extends |
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* @param icon |
AbstractStyledLayer<FeatureCollection> implements |
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* an icon for the object (can be {@code null}) |
StyledFeatureCollectionInterface { |
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* @exception IllegalArgumentException |
|
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* if {@code null} is given as ID or geo object |
/** Holds the meta data for displaying a legend. */ |
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*/ |
protected Map<Integer, AttributeMetaData> attrMetaData = null; |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
|
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Translation title, Translation desc, Translation keywords, |
/** |
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Style style, Map<Integer, AttributeMetaData> attrMetaData, |
* We be filled with a "virtual" {@link FeatureSource} on demand. |
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ImageIcon icon) { |
*/ |
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super(fc, fc.getBounds(), fc.getSchema().getDefaultGeometry() |
private FeatureSource featureSource = null; |
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.getCoordinateSystem(), id, title, desc, keywords, style, icon); |
|
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setAttributeMetaData(attrMetaData); |
/** |
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} |
* Creates a styled {@link FeatureCollection} with language-specific |
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|
* informations. |
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/** |
* |
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* Creates a styled {@link FeatureCollection} with language-specific |
* @param fc |
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* informations. |
* the {@link FeatureCollection} |
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* |
* @param id |
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* @param fc |
* a unique ID for the object |
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* the {@link FeatureCollection} |
* @param title |
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* @param id |
* a (language-specific) short description |
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* a unique ID for the object |
* @param desc |
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* @param title |
* a (language-specific) long description |
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* a (language-specific) short description |
* @param keywords |
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* @param desc |
* (language-specific) keywords for the geo objects |
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* a (language-specific) long description |
* @param style |
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* @param keywords |
* a display style (if {@code null}, a default style is created) |
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* (language-specific) keywords for the geo objects |
* @param attrMetaData |
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* @param style |
* meta data for displaying a legend |
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* a display style with attribute meta data information |
* @param icon |
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* @param icon |
* an icon for the object (can be {@code null}) |
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* an icon for the object (can be {@code null}) |
* @exception IllegalArgumentException |
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* @exception IllegalArgumentException |
* if {@code null} is given as ID or geo object |
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* if {@code null} is given as ID or geo object |
*/ |
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*/ |
public StyledFeatureCollection(FeatureCollection fc, String id, |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
Translation title, Translation desc, Translation keywords, |
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Translation title, Translation desc, Translation keywords, |
Style style, Map<Integer, AttributeMetaData> attrMetaData, |
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StyledLayerStyle<Map<Integer, AttributeMetaData>> style, |
ImageIcon icon) { |
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ImageIcon icon) { |
super(fc, fc.getBounds(), fc.getSchema().getDefaultGeometry() |
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super(fc, fc.getBounds(), fc.getSchema().getDefaultGeometry() |
.getCoordinateSystem(), id, title, desc, keywords, style, icon); |
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.getCoordinateSystem(), id, title, desc, keywords, |
setAttributeMetaData(attrMetaData); |
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style != null ? style.getGeoObjectStyle() : null, icon); |
} |
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setAttributeMetaData(style != null ? style.getMetaData() : null); |
|
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} |
/** |
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|
* Creates a styled {@link FeatureCollection} with language-specific |
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/** |
* informations. |
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* Creates a styled {@link FeatureCollection} with a language-specific |
* |
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* title, no long description, no keywords, default attribute meta data and |
* @param fc |
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* no icon. |
* the {@link FeatureCollection} |
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* |
* @param id |
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* @param fc |
* a unique ID for the object |
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* the {@link FeatureCollection} |
* @param title |
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* @param id |
* a (language-specific) short description |
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* a unique ID for the object |
* @param desc |
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* @param title |
* a (language-specific) long description |
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* a short description |
* @param keywords |
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* @param style |
* (language-specific) keywords for the geo objects |
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* a display style (if {@code null}, a default style is created) |
* @param style |
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* @exception IllegalArgumentException |
* a display style with attribute meta data information |
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* if {@code null} is given as ID or geo object |
* @param icon |
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* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
* an icon for the object (can be {@code null}) |
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*/ |
* @exception IllegalArgumentException |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
* if {@code null} is given as ID or geo object |
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Translation title, Style style) { |
*/ |
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this(fc, id, title, null, null, style, null, null); |
public StyledFeatureCollection(FeatureCollection fc, String id, |
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} |
Translation title, Translation desc, Translation keywords, |
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|
StyledLayerStyle<Map<Integer, AttributeMetaData>> style, |
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/** |
ImageIcon icon) { |
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* Creates a styled {@link FeatureCollection} with non-translated |
super(fc, fc.getBounds(), fc.getSchema().getDefaultGeometry() |
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* informations. |
.getCoordinateSystem(), id, title, desc, keywords, |
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* |
style != null ? style.getGeoObjectStyle() : null, icon); |
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* @param fc |
setAttributeMetaData(style != null ? style.getMetaData() : null); |
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* the {@link FeatureCollection} |
} |
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* @param id |
|
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* a unique ID for the object |
/** |
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* @param title |
* Creates a styled {@link FeatureCollection} with a language-specific |
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* a short description |
* title, no long description, no keywords, default attribute meta data and |
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* @param desc |
* no icon. |
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* a long description |
* |
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* @param keywords |
* @param fc |
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* keywords for the geo objects |
* the {@link FeatureCollection} |
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* @param style |
* @param id |
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* a display style (if {@code null}, a default style is created) |
* a unique ID for the object |
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* @param attrMetaData |
* @param title |
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* meta data for displaying a legend |
* a short description |
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* @param icon |
* @param style |
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* an icon for the object (can be {@code null}) |
* a display style (if {@code null}, a default style is created) |
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* @exception IllegalArgumentException |
* @exception IllegalArgumentException |
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* if {@code null} is given as ID or geo object |
* if {@code null} is given as ID or geo object |
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*/ |
* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
*/ |
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String title, String desc, String keywords, Style style, |
public StyledFeatureCollection(FeatureCollection fc, String id, |
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Map<Integer, AttributeMetaData> attrMetaData, ImageIcon icon) { |
Translation title, Style style) { |
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this(fc, id, (Translation) null, null, null, style, attrMetaData, icon); |
this(fc, id, title, null, null, style, null, null); |
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setTitle(title); |
} |
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setDesc(desc); |
|
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setKeywords(keywords); |
/** |
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} |
* Creates a styled {@link FeatureCollection} with non-translated |
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|
* informations. |
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/** |
* |
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* Creates a styled {@link FeatureCollection} with non-translated |
* @param fc |
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* informations. |
* the {@link FeatureCollection} |
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* |
* @param id |
| 164 |
* @param fc |
* a unique ID for the object |
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* the {@link FeatureCollection} |
* @param title |
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* @param id |
* a short description |
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* a unique ID for the object |
* @param desc |
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* @param title |
* a long description |
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* a short description |
* @param keywords |
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* @param desc |
* keywords for the geo objects |
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* a long description |
* @param style |
| 172 |
* @param keywords |
* a display style (if {@code null}, a default style is created) |
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* keywords for the geo objects |
* @param attrMetaData |
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* @param style |
* meta data for displaying a legend |
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* a display style with attribute meta data information |
* @param icon |
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* @param icon |
* an icon for the object (can be {@code null}) |
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* an icon for the object (can be {@code null}) |
* @exception IllegalArgumentException |
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* @exception IllegalArgumentException |
* if {@code null} is given as ID or geo object |
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* if {@code null} is given as ID or geo object |
*/ |
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*/ |
public StyledFeatureCollection(FeatureCollection fc, String id, |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
String title, String desc, String keywords, Style style, |
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String title, String desc, String keywords, |
Map<Integer, AttributeMetaData> attrMetaData, ImageIcon icon) { |
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StyledLayerStyle<Map<Integer, AttributeMetaData>> style, |
this(fc, id, (Translation) null, null, null, style, attrMetaData, icon); |
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ImageIcon icon) { |
setTitle(title); |
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this(fc, id, title, desc, keywords, style != null ? style |
setDesc(desc); |
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.getGeoObjectStyle() : null, style != null ? style |
setKeywords(keywords); |
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.getMetaData() : null, icon); |
} |
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} |
|
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|
/** |
| 190 |
/** |
* Creates a styled {@link FeatureCollection} with non-translated |
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* Creates a styled {@link FeatureCollection} with a non-translated title, |
* informations. |
| 192 |
* no long description, no keywords, default attribute meta data and no |
* |
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* icon. |
* @param fc |
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* |
* the {@link FeatureCollection} |
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* @param fc |
* @param id |
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* the {@link FeatureCollection} |
* a unique ID for the object |
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* @param id |
* @param title |
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* a unique ID for the object |
* a short description |
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* @param title |
* @param desc |
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* a short description |
* a long description |
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* @param style |
* @param keywords |
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* a display style (if {@code null}, a default style is created) |
* keywords for the geo objects |
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* @exception IllegalArgumentException |
* @param style |
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* if {@code null} is given as ID or geo object |
* a display style with attribute meta data information |
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* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
* @param icon |
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*/ |
* an icon for the object (can be {@code null}) |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
* @exception IllegalArgumentException |
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String title, Style style) { |
* if {@code null} is given as ID or geo object |
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this(fc, id, title, null, null, style, null, null); |
*/ |
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} |
public StyledFeatureCollection(FeatureCollection fc, String id, |
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|
String title, String desc, String keywords, |
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/** |
StyledLayerStyle<Map<Integer, AttributeMetaData>> style, |
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* Creates a styled {@link FeatureCollection} with a non-translated title, |
ImageIcon icon) { |
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* no long description, no keywords, default attribute meta data and no |
this(fc, id, title, desc, keywords, style != null ? style |
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* icon. |
.getGeoObjectStyle() : null, style != null ? style |
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* |
.getMetaData() : null, icon); |
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* @param fc |
} |
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* the {@link FeatureCollection} |
|
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* @param id |
/** |
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* a unique ID for the object |
* Creates a styled {@link FeatureCollection} with a non-translated title, |
| 221 |
* @param title |
* no long description, no keywords, default attribute meta data and no |
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* a short description |
* icon. |
| 223 |
* @param style |
* |
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* a display style (if {@code null}, a default style is created) |
* @param fc |
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* @exception IllegalArgumentException |
* the {@link FeatureCollection} |
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* if {@code null} is given as ID or geo object |
* @param id |
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* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
* a unique ID for the object |
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*/ |
* @param title |
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public StyledFeatureCollection(FeatureCollection fc, String id, |
* a short description |
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String title, StyledLayerStyle<Map<Integer, AttributeMetaData>> style) { |
* @param style |
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this(fc, id, title, null, null, style != null ? style |
* a display style (if {@code null}, a default style is created) |
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.getGeoObjectStyle() : null, style != null ? style |
* @exception IllegalArgumentException |
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.getMetaData() : null, null); |
* if {@code null} is given as ID or geo object |
| 234 |
} |
* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
| 235 |
|
*/ |
| 236 |
/** |
public StyledFeatureCollection(FeatureCollection fc, String id, |
| 237 |
* Creates a default style for the {@link FeatureCollection}. |
String title, Style style) { |
| 238 |
* |
this(fc, id, title, null, null, style, null, null); |
| 239 |
* @see FeatureUtil#createDefaultStyle(FeatureCollection) |
} |
| 240 |
*/ |
|
| 241 |
protected Style createDefaultStyle() { |
/** |
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return FeatureUtil.createDefaultStyle(geoObject); |
* Creates a styled {@link FeatureCollection} with a non-translated title, |
| 243 |
} |
* no long description, no keywords, default attribute meta data and no |
| 244 |
|
* icon. |
| 245 |
/** |
* |
| 246 |
* Returns the meta data needed for displaying a legend. |
* @param fc |
| 247 |
*/ |
* the {@link FeatureCollection} |
| 248 |
public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() { |
* @param id |
| 249 |
return attrMetaData; |
* a unique ID for the object |
| 250 |
} |
* @param title |
| 251 |
|
* a short description |
| 252 |
/** |
* @param style |
| 253 |
* Sets the meta data needed for displaying a legend. If {@code legendData} |
* a display style (if {@code null}, a default style is created) |
| 254 |
* is {@code null} an empty map is set, so |
* @exception IllegalArgumentException |
| 255 |
* {@link #getAttributeMetaDataMap()} never returns {@code null}. |
* if {@code null} is given as ID or geo object |
| 256 |
* |
* @see #createDefaultAttributeMetaDataMap(FeatureCollection) |
| 257 |
* @param attrMetaData |
*/ |
| 258 |
* map of attribute meta data |
public StyledFeatureCollection(FeatureCollection fc, String id, |
| 259 |
*/ |
String title, StyledLayerStyle<Map<Integer, AttributeMetaData>> style) { |
| 260 |
public void setAttributeMetaData( |
this(fc, id, title, null, null, style != null ? style |
| 261 |
Map<Integer, AttributeMetaData> attrMetaData) { |
.getGeoObjectStyle() : null, style != null ? style |
| 262 |
this.attrMetaData = (attrMetaData != null) ? attrMetaData |
.getMetaData() : null, null); |
| 263 |
: createDefaultAttributeMetaDataMap(geoObject); |
} |
| 264 |
} |
|
| 265 |
|
/** |
| 266 |
/** |
* Creates a default style for the {@link FeatureCollection}. |
| 267 |
* Creates non-translated default meta data for a {@link FeatureCollection} |
* |
| 268 |
* with all attributes visible and no unit set. |
* @see FeatureUtil#createDefaultStyle(FeatureCollection) |
| 269 |
* |
*/ |
| 270 |
* @param fc |
protected Style createDefaultStyle() { |
| 271 |
* a {@link FeatureCollection} |
return FeatureUtil.createDefaultStyle(geoObject); |
| 272 |
*/ |
} |
| 273 |
public static Map<Integer, AttributeMetaData> createDefaultAttributeMetaDataMap( |
|
| 274 |
FeatureCollection fc) { |
/** |
| 275 |
HashMap<Integer, AttributeMetaData> metaDataMap = new HashMap<Integer, AttributeMetaData>(); |
* Returns the meta data needed for displaying a legend. |
| 276 |
FeatureType ftype = fc.getSchema(); |
*/ |
| 277 |
for (int i = 0; i < ftype.getAttributeCount(); i++) { |
public Map<Integer, AttributeMetaData> getAttributeMetaDataMap() { |
| 278 |
AttributeType aType = ftype.getAttributeType(i); |
return attrMetaData; |
| 279 |
if (aType != ftype.getDefaultGeometry()) |
} |
| 280 |
metaDataMap.put(i, new AttributeMetaData(i, // Column no. |
|
| 281 |
true, // visible |
/** |
| 282 |
new Translation(aType.getName()), // Column name |
* Sets the meta data needed for displaying a legend. If {@code legendData} |
| 283 |
new Translation(), // description |
* is {@code null} an empty map is set, so |
| 284 |
"" // Unit |
* {@link #getAttributeMetaDataMap()} never returns {@code null}. |
| 285 |
)); |
* |
| 286 |
} |
* @param attrMetaData |
| 287 |
return metaDataMap; |
* map of attribute meta data |
| 288 |
} |
*/ |
| 289 |
|
public void setAttributeMetaData( |
| 290 |
/** |
Map<Integer, AttributeMetaData> attrMetaData) { |
| 291 |
* Simply sets the {@link #geoObject}, {@link #crs}, {@link #envelope} and |
this.attrMetaData = (attrMetaData != null) ? attrMetaData |
| 292 |
* {@link #attrMetaData} to {@code null}. |
: createDefaultAttributeMetaDataMap(geoObject); |
| 293 |
*/ |
} |
| 294 |
public void dispose() { |
|
| 295 |
this.geoObject = null; |
/** |
| 296 |
this.envelope = null; |
* Creates non-translated default meta data for a {@link FeatureCollection} |
| 297 |
this.crs = null; |
* with all attributes visible and no unit set. |
| 298 |
this.attrMetaData = null; |
* |
| 299 |
} |
* @param fc |
| 300 |
|
* a {@link FeatureCollection} |
| 301 |
/** |
*/ |
| 302 |
* Tests whether the geo object is disposed. |
public static Map<Integer, AttributeMetaData> createDefaultAttributeMetaDataMap( |
| 303 |
*/ |
FeatureCollection fc) { |
| 304 |
public boolean isDisposed() { |
HashMap<Integer, AttributeMetaData> metaDataMap = new HashMap<Integer, AttributeMetaData>(); |
| 305 |
return geoObject == null; |
FeatureType ftype = fc.getSchema(); |
| 306 |
} |
for (int i = 0; i < ftype.getAttributeCount(); i++) { |
| 307 |
|
AttributeType aType = ftype.getAttributeType(i); |
| 308 |
/** |
if (aType != ftype.getDefaultGeometry()) |
| 309 |
* Does nothing, because the {@link AbstractStyledLayer} bases on existing |
metaDataMap.put(i, new AttributeMetaData(i, // Column no. |
| 310 |
* objects (in memory) which can not be uncached and reloaded. |
true, // visible |
| 311 |
*/ |
new Translation(aType.getName()), // Column name |
| 312 |
public void uncache() { |
new Translation(), // description |
| 313 |
|
"" // Unit |
| 314 |
/** It will be recreated on the next getFetureSource() **/ |
)); |
| 315 |
featureSource = null; |
} |
| 316 |
|
return metaDataMap; |
| 317 |
LOGGER |
} |
| 318 |
.warn("Uncache onyl uncached any virtual FeatureSource. Object remains in memory."); |
|
| 319 |
} |
/** |
| 320 |
|
* Simply sets the {@link #geoObject}, {@link #crs}, {@link #envelope} and |
| 321 |
/* |
* {@link #attrMetaData} to {@code null}. |
| 322 |
* (non-Javadoc) |
*/ |
| 323 |
* |
public void dispose() { |
| 324 |
* @see skrueger.geotools.StyledLayerInterface#getInfoURL() |
this.geoObject = null; |
| 325 |
*/ |
this.envelope = null; |
| 326 |
public URL getInfoURL() { |
this.crs = null; |
| 327 |
return null; |
this.attrMetaData = null; |
| 328 |
} |
} |
| 329 |
|
|
| 330 |
/** |
/** |
| 331 |
* Same as {@link #getGeoObject()} method, but complies to the {@link StyledFeaturesInterface} |
* Tests whether the geo object is disposed. |
| 332 |
* @see {@link StyledFeaturesInterface} |
*/ |
| 333 |
*/ |
public boolean isDisposed() { |
| 334 |
@Override |
return geoObject == null; |
| 335 |
public FeatureCollection getFeatureCollection() { |
} |
| 336 |
return getGeoObject(); |
|
| 337 |
} |
/** |
| 338 |
|
* Does nothing, because the {@link AbstractStyledLayer} bases on existing |
| 339 |
/** |
* objects (in memory) which can not be uncached and reloaded. |
| 340 |
* Returns a virtual {@link FeatureSource} to access the |
*/ |
| 341 |
* {@link FeatureCollection}. Once created, it will be reused until |
public void uncache() { |
| 342 |
* {@link #uncache()} is called.<br/> |
|
| 343 |
* @see {@link StyledFeaturesInterface} |
/** It will be recreated on the next getFetureSource() **/ |
| 344 |
*/ |
featureSource = null; |
| 345 |
@Override |
|
| 346 |
public FeatureSource getFeatureSource() { |
LOGGER |
| 347 |
if (featureSource == null) { |
.warn("Uncache onyl uncached any virtual FeatureSource. Object remains in memory."); |
| 348 |
CollectionDataStore store = new CollectionDataStore(getGeoObject()); |
} |
| 349 |
try { |
|
| 350 |
featureSource = store.getFeatureSource(store.getTypeNames()[0]); |
/* |
| 351 |
} catch (IOException e) { |
* (non-Javadoc) |
| 352 |
throw new RuntimeException( |
* |
| 353 |
"Could not create a FeatureSource from the CollectionDataStore:", |
* @see skrueger.geotools.StyledLayerInterface#getInfoURL() |
| 354 |
e); |
*/ |
| 355 |
} |
public URL getInfoURL() { |
| 356 |
} |
return null; |
| 357 |
return featureSource; |
} |
| 358 |
} |
|
| 359 |
|
/** |
| 360 |
} |
* Same as {@link #getGeoObject()} method, but complies to the {@link StyledFeaturesInterface} |
| 361 |
|
* @see {@link StyledFeaturesInterface} |
| 362 |
|
*/ |
| 363 |
|
@Override |
| 364 |
|
public FeatureCollection getFeatureCollection() { |
| 365 |
|
return getGeoObject(); |
| 366 |
|
} |
| 367 |
|
|
| 368 |
|
/** |
| 369 |
|
* Returns a virtual {@link FeatureSource} to access the |
| 370 |
|
* {@link FeatureCollection}. Once created, it will be reused until |
| 371 |
|
* {@link #uncache()} is called.<br/> |
| 372 |
|
* @see {@link StyledFeaturesInterface} |
| 373 |
|
*/ |
| 374 |
|
@Override |
| 375 |
|
public FeatureSource getFeatureSource() { |
| 376 |
|
if (featureSource == null) { |
| 377 |
|
CollectionDataStore store = new CollectionDataStore(getGeoObject()); |
| 378 |
|
try { |
| 379 |
|
featureSource = store.getFeatureSource(store.getTypeNames()[0]); |
| 380 |
|
} catch (IOException e) { |
| 381 |
|
throw new RuntimeException( |
| 382 |
|
"Could not create a FeatureSource from the CollectionDataStore:", |
| 383 |
|
e); |
| 384 |
|
} |
| 385 |
|
} |
| 386 |
|
return featureSource; |
| 387 |
|
} |
| 388 |
|
|
| 389 |
|
} |
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