gvsig-raster / org.gvsig.raster / branches / org.gvsig.raster.2.4 / org.gvsig.raster / org.gvsig.raster.tilecache / org.gvsig.raster.tilecache.provider / src / main / java / org / gvsig / raster / tilecache / provider / TileCacheStoreProvider.java @ 6502
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2016 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.raster.tilecache.provider; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.dal.DataServerExplorer; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreNotification; |
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import org.gvsig.fmap.dal.FileHelper; |
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import org.gvsig.fmap.dal.exception.CloseException; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.raster.api.BandAttributeDescriptor; |
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import org.gvsig.fmap.dal.raster.api.BandDescriptor; |
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import org.gvsig.fmap.dal.raster.api.BandQuery; |
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import org.gvsig.fmap.dal.raster.api.RasterQuery; |
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import org.gvsig.fmap.dal.raster.api.RasterStore; |
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import org.gvsig.fmap.dal.raster.spi.AbstractRasterStoreProvider; |
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import org.gvsig.fmap.dal.raster.spi.RasterCacheStoreProvider; |
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import org.gvsig.fmap.dal.raster.spi.RasterStoreProvider; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.metadata.MetadataManager; |
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import org.gvsig.metadata.exceptions.MetadataException; |
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import org.gvsig.raster.lib.buffer.api.BandInfo; |
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import org.gvsig.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.BufferLocator; |
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import org.gvsig.raster.lib.buffer.api.BufferManager; |
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import org.gvsig.raster.lib.buffer.api.NoData; |
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import org.gvsig.raster.lib.buffer.api.PageManager; |
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import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposeUtils; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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/**
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* Provider for Tile Cache
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*
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* @author dmartinezizquierdo
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*
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*/
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public class TileCacheStoreProvider extends AbstractRasterStoreProvider implements RasterCacheStoreProvider, |
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ResourceConsumer { |
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private static final Logger logger = LoggerFactory.getLogger(TileCacheStoreProvider.class); |
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public static String NAME = "TileCache"; |
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public static String DESCRIPTION = "Tile cache provider"; |
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public static final String METADATA_DEFINITION_NAME = NAME; |
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private ResourceProvider resource;
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private final SimpleTaskStatus taskStatus; |
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private TileStructImage tileStructImage = null; |
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private Envelope envelope = null; |
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private IProjection projection = null; |
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Map<Integer,List<PageManager>> pageManagersPerZoomLevel = null; |
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// private RasterStore innerStore;
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private RasterStoreProvider innerProvider;
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private int bandsNumber; |
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protected static void registerMetadataDefinition() throws MetadataException { |
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MetadataManager manager = MetadataLocator.getMetadataManager(); |
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if (manager.getDefinition(METADATA_DEFINITION_NAME) == null) { |
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manager.addDefinition(METADATA_DEFINITION_NAME, |
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TileCacheStoreProviderParameters.class.getResourceAsStream("TileCacheMetadata.xml"),
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TileCacheStoreProviderParameters.class.getClassLoader()); |
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} |
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} |
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/**
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* @param params
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* @param storeServices
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* @throws InitializeException
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*/
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public TileCacheStoreProvider(TileCacheStoreProviderParameters params, DataStoreProviderServices storeServices)
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throws InitializeException {
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super(params, storeServices, FileHelper.newMetadataContainer(METADATA_DEFINITION_NAME));
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TaskStatusManager manager = ToolsLocator.getTaskStatusManager(); |
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this.taskStatus = manager.createDefaultSimpleTaskStatus("TileCache"); |
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this.init(params, storeServices);
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} |
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protected TileCacheStoreProvider(TileCacheStoreProviderParameters params, DataStoreProviderServices storeServices,
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DynObject metadata) throws InitializeException {
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super(params, storeServices, metadata);
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TaskStatusManager manager = ToolsLocator.getTaskStatusManager(); |
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this.taskStatus = manager.createDefaultSimpleTaskStatus("TileCache"); |
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this.init(params, storeServices);
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} |
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protected void init(TileCacheStoreProviderParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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// store = (RasterStore) storeServices.getStore();
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bandsNumber = ((RasterStore)storeServices).getBands(); |
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if (params == null) { |
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throw new InitializeException( |
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new NullPointerException("params is null")); |
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} |
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this.projection=params.getCRS();
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// String rcacheDir = Launcher.getAppHomeDir() + File.separator + "gvsig_rcache";
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// Envelope storeEnvelope = store.getEnvelope();
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// store.getRasterSet().getPixelSizeX();
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File cacheFolder = (File) params.getDynValue(TileCacheStoreProviderParameters.TILECACHE_CACHEFOLDER_PARAMTER_NAME); |
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resource = this.createResource(
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FileResource.NAME, |
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new Object[] { cacheFolder.getAbsolutePath() } |
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); |
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resource.addConsumer(this);
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} |
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private TileCacheStoreProviderParameters getTileCacheParameters() {
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return (TileCacheStoreProviderParameters) this.getParameters(); |
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} |
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@Override
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public BandDescriptor getBandDescriptor(int band) { |
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if (band > this.getBands()) { |
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throw new IllegalArgumentException("Invalid band"); |
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} |
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return getStoreServices().createBandDescriptor(band, new ArrayList<BandAttributeDescriptor>()); |
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} |
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@Override
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public int getBands() { |
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return bandsNumber;
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} |
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@Override
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public Buffer createBuffer(RasterQuery rasterQuery) throws BufferException { |
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BufferManager bufferManager = BufferLocator.getBufferManager(); |
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int[] bandDataTypes; |
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List<PageManager> pageManagers = new ArrayList<PageManager>(); |
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NoData[] bandNoData;
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// if (rasterQuery != null) {
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List<BandQuery> bands;
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bands = rasterQuery.getBands(); |
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bandDataTypes = new int[bandsNumber]; |
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bandNoData = new NoData[bandsNumber];
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int zoomLevel = tileStructImage.getZoomLvlForPixelSize(rasterQuery.getPixelSize());
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List<PageManager> pageManagersInZoom;
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int[] tileStructDataTypes; |
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try {
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pageManagersInZoom = getPageManagersInZoom(zoomLevel); |
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tileStructDataTypes = tileStructImage.getDataTypes(); |
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} catch (ValidateDataParametersException | CreateEnvelopeException | DataException | CloneNotSupportedException e) { |
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throw new BufferException(e); |
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} |
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try {
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for(int i = 0; i<tileStructImage.getBandNumber(); i++){ |
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bandDataTypes[i] = tileStructDataTypes[i]; |
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bandNoData[i] = null;
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pageManagers.add(pageManagersInZoom.get(i)); |
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} |
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} catch (ValidateDataParametersException | CreateEnvelopeException | DataException | CloneNotSupportedException e) { |
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throw new BufferException(e); |
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} |
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// for (BandQuery bandQuery : bands) {
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// // FIXME:
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// int band = bandQuery.getBand();
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// bandDataTypes[band] = tileStructDataTypes[band];
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// bandNoData[band] = null;
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// pageManagers.add(pageManagersInZoom.get(band));
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// }
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// } else {
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// int bands = getBands();
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// bandDataTypes = new int[bands];
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// bandNoData = new NoData[bands];
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// for (int i = 0; i < bands; i++) {
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// bandDataTypes[i] = tileStructImage.getDataTypes()[i];
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// bandNoData[i] = null;
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// pageManagers.add(new TileCacheBandPageManager(tileStructImage,
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// rasterQuery.getPixelSize(), i));
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// }
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// }
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envelope = tileStructImage.getEnvelope(); |
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Buffer buffer =
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bufferManager.createBuffer(tileStructImage.getRows(zoomLevel), tileStructImage.getColumns(zoomLevel), |
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bandDataTypes, bandNoData, projection, envelope, pageManagers); |
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return buffer;
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} |
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private List<PageManager> getPageManagersInZoom(int zoomLevel) throws ValidateDataParametersException, CreateEnvelopeException, BufferException, DataException, CloneNotSupportedException { |
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List<PageManager> pageManagersInZoom = this.pageManagersPerZoomLevel.get(zoomLevel); |
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if (pageManagersInZoom == null) { |
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pageManagersInZoom = new ArrayList<PageManager>(); |
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for (int i = 0; i < tileStructImage.getBandNumber(); i++) { |
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pageManagersInZoom.add(new TileCacheBandPageManager(tileStructImage, zoomLevel, i));
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} |
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this.pageManagersPerZoomLevel.put(zoomLevel, pageManagersInZoom);
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} |
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return pageManagersInZoom;
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} |
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@Override
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public BandInfo getBandInfo(int band) { |
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// FIXME
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return null;// tileStructImage.getBandInfo(band); |
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} |
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@Override
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public DataServerExplorer getExplorer() throws ReadException, ValidateDataParametersException { |
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// DataManager manager = DALLocator.getDataManager();
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// FilesystemServerExplorerParameters params;
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// try {
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// params = (FilesystemServerExplorerParameters) manager
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// .createServerExplorerParameters(FilesystemServerExplorer.NAME);
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// params.setRoot(this.getTileCacheParameters().getFile().getParent());
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// return
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// manager.openServerExplorer(FilesystemServerExplorer.NAME,params);
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// } catch (DataException e) {
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// throw new ReadException(this.getProviderName(), e);
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// } catch (ValidateDataParametersException e) {
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// throw new ReadException(this.getProviderName(), e);
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// }
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// FIXME
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return null; |
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} |
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public void open() throws OpenException { |
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if (this.tileStructImage != null) { |
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return;
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} |
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// openEver();
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} |
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// private void openEver() throws OpenException {
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// try {
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//
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// getResource().execute(new ResourceAction() {
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//
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// public Object run() throws Exception {
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//
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// try {
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// File folder = (File) resource.get();
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// resource.notifyOpen();
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//
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// // FIXME
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// tileStructImage = new TileStructImage(folder, getTileCacheParameters().getCRS(), null);
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// pageManagersPerZoomLevel = new HashMap<Integer, List<PageManager>>();
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//
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// // if (getTileCacheParameters().getWldParams()!=null){
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// // envelope=createWLDEnvelope(getTileCacheParameters().getWldParams());
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// // }else{
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// // envelope =
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// // GeometryLocator.getGeometryManager().createEnvelope(0,
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// // 0,
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// // tileStructImage.getColumns(),
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// // tileStructImage.getRows(), Geometry.SUBTYPES.GEOM2D);
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// // }
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//
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// resource.notifyClose();
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//
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// resource.setData(tileStructImage);
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// } finally {
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// // TODO
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// }
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// return null;
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// }
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//
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// });
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// } catch (Exception e) {
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// this.tileStructImage = null;
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// try {
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// throw new OpenException(resource.getName(), e);
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// } catch (AccessResourceException e1) {
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// throw new OpenException(getProviderName(), e);
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// }
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// } finally {
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// this.taskStatus.remove();
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// }
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// }
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// private Envelope createWLDEnvelope(List<String> wldParams){
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// double pixelSizeX=Double.valueOf(wldParams.get(0));
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// double rotationAxisY = Double.valueOf(wldParams.get(1));
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// double rotationAxisX = Double.valueOf(wldParams.get(2));
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// double pixelSizeY = Double.valueOf(wldParams.get(3));
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// double upperLeftPixelCenterCoordX = Double.valueOf(wldParams.get(4));
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// double upperLeftPixelCenterCoordY = Double.valueOf(wldParams.get(5));
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//
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// if (0.0 != rotationAxisX || 0.0 != rotationAxisY) {
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// logger.warn(
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// "Rotation in wld file not implemented yet. It will be ignored");
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// }
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//
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// double leftMostX = upperLeftPixelCenterCoordX - (pixelSizeX * 0.5);
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// double upperMostY = upperLeftPixelCenterCoordY - (pixelSizeY * 0.5);
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// double height=tileStructImage.getRows()*pixelSizeY;
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// double width=tileStructImage.getColumns()*pixelSizeX;
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//
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// // double minX, double minY, double maxX, double maxY, int subType
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// try {
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// envelope = GeometryLocator.getGeometryManager().createEnvelope(
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// Math.min(leftMostX,leftMostX + width),
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// Math.min(upperMostY,upperMostY + height),
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// Math.max(leftMostX,leftMostX + width),
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// Math.max(upperMostY,upperMostY + height),
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// Geometry.SUBTYPES.GEOM2D);
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// } catch (LocatorException | CreateEnvelopeException e) {
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// logger.warn(
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// "Failed to create envelope from wld file with coords: minx:"+leftMostX+
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// ", miny:"+upperMostY+", maxX: "+leftMostX + width+", maxY: "+upperMostY +
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// height);
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// e.printStackTrace();
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// }
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//
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// return envelope;
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// }
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@Override
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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if (DataStore.METADATA_ENVELOPE.equalsIgnoreCase(name)) {
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return this.envelope; |
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} else if (DataStore.METADATA_CRS.equalsIgnoreCase(name)) { |
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IProjection pro = this.getTileCacheParameters().getCRS();
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if (pro != null) { |
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return pro;
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} |
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} |
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return super.getDynValue(name); |
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} |
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@Override
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public void close() throws CloseException { |
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this.tileStructImage = null; |
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} |
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@Override
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public ResourceProvider getResource() {
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return this.resource; |
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} |
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@Override
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public Object getSourceId() { |
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return this.getTileCacheParameters().getCacheFolder(); |
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} |
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@Override
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public String getProviderName() { |
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return NAME;
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} |
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@Override
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public String getName() { |
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String name = this.getTileCacheParameters().getCacheFolder().getName(); |
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return name; // FilenameUtils.getBaseName(name); |
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} |
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@Override
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public String getFullName() { |
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return this.getTileCacheParameters().getCacheFolder().getAbsolutePath(); |
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} |
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|
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@Override
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public boolean closeResourceRequested(ResourceProvider resource) { |
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return true; |
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} |
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@Override
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.fmap.dal.resource.spi.ResourceConsumer#resourceChanged(org.
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* gvsig.fmap.dal.resource.spi.ResourceProvider)
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*/
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public void resourceChanged(ResourceProvider resource) { |
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this.getStoreServices().notifyChange(DataStoreNotification.RESOURCE_CHANGED, resource);
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} |
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@Override
|
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/*
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* (non-Javadoc)
|
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*
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* @see
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* org.gvsig.fmap.dal.feature.spi.memory.AbstractMemoryStoreProvider#doDispose
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* ()
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*/
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protected void doDispose() throws BaseException { |
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super.doDispose();
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resource.removeConsumer(this);
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if(this.tileStructImage!=null){ |
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DisposeUtils.dispose(tileStructImage); |
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this.tileStructImage = null; |
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} |
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} |
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|
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/**
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* @return TileStructImage
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*/
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public TileStructImage getTileStructImage() {
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return tileStructImage;
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} |
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@Override
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public void apply(RasterStoreProvider provider, IProjection crs, RasterQuery query) throws DataException { |
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this.innerProvider = provider;
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pageManagersPerZoomLevel = new HashMap<Integer, List<PageManager>>(); |
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this.tileStructImage =
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new TileStructImage(((FileResource)resource).getFile(), crs, provider, query);
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} |
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@Override
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public RasterStoreProvider getInnerProvider() {
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return innerProvider;
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} |
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} |