gvsig-3d / 2.1 / trunk / org.gvsig.view3d / org.gvsig.view3d.swing / org.gvsig.view3d.swing.impl / src / main / java / org / gvsig / view3d / swing / impl / data / DefaultDataRasterReader.java @ 452
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.view3d.swing.impl.data; |
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import gov.nasa.worldwind.avlist.AVKey; |
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import gov.nasa.worldwind.avlist.AVList; |
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import gov.nasa.worldwind.avlist.AVListImpl; |
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import gov.nasa.worldwind.data.AbstractDataRasterReader; |
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import gov.nasa.worldwind.data.DataRaster; |
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import gov.nasa.worldwind.geom.Sector; |
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import java.io.IOException; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.view3d.swing.impl.DefaultMapControl3D; |
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/**
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* @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>
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*
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*/
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public class DefaultDataRasterReader extends AbstractDataRasterReader { |
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/**
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* @param description
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*/
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protected DefaultDataRasterReader(String description) { |
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super(description);
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} |
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@Override
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public boolean canRead(Object source, AVList params) { |
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if (source == null) { |
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throw new IllegalArgumentException(); |
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} |
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return this.doCanRead(source, params); |
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} |
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@Override
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protected boolean doCanRead(Object source, AVList params) { |
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if (params == null) { |
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return false; |
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} |
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Sector sector = (Sector) params.getValue(AVKey.SECTOR); |
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if (sector == null) { |
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return false; |
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} |
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if (source instanceof FLayer) { |
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boolean canRead = false; |
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GvSIGLayerDataRaster dataRaster = null;
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try {
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FLayer layer = (FLayer) source; |
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MapContext mapContext = |
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(MapContext) params.getValue(DefaultMapControl3D.GVSIG_MAPCONTEXT); |
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dataRaster = |
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new GvSIGLayerDataRaster(mapContext, layer, params);
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canRead = true;
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} catch (Throwable e) { |
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canRead = false;
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} finally {
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if (dataRaster != null) { |
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dataRaster.dispose(); |
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} |
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} |
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return canRead;
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} |
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return false; |
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} |
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@Override
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protected DataRaster[] doRead(Object source, AVList params) |
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throws IOException { |
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if (source == null) { |
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throw new IllegalArgumentException(); |
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} |
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if (source instanceof FLayer) { |
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FLayer layer = (FLayer) source; |
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MapContext mapContext = |
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(MapContext) params.getValue(DefaultMapControl3D.GVSIG_MAPCONTEXT); |
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GvSIGLayerDataRaster dataRaster = |
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new GvSIGLayerDataRaster(mapContext, layer, params);
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return new DataRaster[] { dataRaster }; |
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} |
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return null; |
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} |
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@Override
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protected void doReadMetadata(Object source, AVList params) |
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throws IOException { |
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//TODO: fill weigth height and sector
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} |
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@Override
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public AVList readMetadata(Object source, AVList params) throws java.io.IOException |
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{ |
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if (!this.canRead(source, params)) |
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{ |
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throw new IllegalArgumentException(); |
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} |
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if (params == null) |
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params = new AVListImpl();
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this.doReadMetadata(source, params);
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String message = this.validateMetadata(source, params); |
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if (message != null) |
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throw new java.io.IOException(message); |
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return params;
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} |
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} |