gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / util / DefaultProviderServices.java @ 1938
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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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*/
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package org.gvsig.raster.util; |
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import java.awt.geom.AffineTransform; |
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import java.io.File; |
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import java.io.IOException; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TreeMap; |
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import org.gvsig.fmap.dal.DALFileLocator; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.RasterManager; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.Params; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotSupportedException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.exception.RmfSerializerException; |
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import org.gvsig.fmap.dal.coverage.store.DataServerWriter; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterWriter; |
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import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters; |
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import org.gvsig.fmap.dal.coverage.store.parameter.RasterFileStoreParameters; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.util.ProviderServices; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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import org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters; |
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import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProvider; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.raster.impl.DefaultRasterManager; |
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import org.gvsig.raster.impl.provider.DefaultRasterProvider; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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import org.gvsig.raster.impl.store.WriteFileFormatFeatures; |
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import org.gvsig.raster.impl.store.rmf.ClassSerializer; |
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import org.gvsig.raster.impl.store.rmf.RmfBlocksManager; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension; |
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import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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/**
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*
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* 31/10/2007
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class DefaultProviderServices implements ProviderServices { |
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public TreeMap<String, WriteFileFormatFeatures> |
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fileFeature = new TreeMap<String, WriteFileFormatFeatures>(); |
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public DefaultRasterManager getManager() {
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return (DefaultRasterManager)RasterLocator.getManager();
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} |
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public TreeMap<String, WriteFileFormatFeatures> getFileFeature() { |
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return fileFeature;
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} |
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/**
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* Abre un dataset pasando como par�metros la proyecci�n y un objeto identificador del dataset. Este
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* objeto puede ser una ruta a un fichero en disco. En este caso la extensi�n del fichero servir� para
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* buscar el driver que lo gestiona. Si proporcionamos un array de cadenas se tratar�n como la ruta a N ficheros
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* de disco. Tambi�n puede ser un buffer de datos en memoria o cualquier otro objeto
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* que pueda aceptar un driver.
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* @param param Par�metros al driver
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* @return RasterMultiDatset
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* @throws NotSupportedExtensionException
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* @throws RasterDriverException
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*/
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public RasterDataStore open(DataStoreParameters param) throws NotSupportedExtensionException, RasterDriverException { |
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return getManager().open(param);
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} |
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public RasterDataStore open(CoverageStoreProvider prov, DataStoreParameters params) throws NotSupportedExtensionException, RasterDriverException { |
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return getManager().open(prov, params);
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} |
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/**
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* Loads the specific provider to download data
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* @param file
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* @return
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* @throws NotSupportedExtensionException
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* @throws FileNotSupportedException
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*/
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public static DefaultRasterProvider loadProvider(File file) throws ProviderNotRegisteredException, InitializeException { |
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DataManagerProviderServices dataManager = (DataManagerProviderServices)DALLocator.getDataManager(); |
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DataStoreProviderServices storeServices = null;
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DataStoreProvider prov = null;
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if(file != null) { |
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//We have to locate a provider's name which manages the selected file
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//A FilesystemServerExplorer will give a getProviderNames service
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FilesystemServerExplorerParameters paramsExplorer = (FilesystemServerExplorerParameters)dataManager.createServerExplorerParameters(FilesystemServerExplorer.NAME); |
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FilesystemServerExplorer serverExplorer = null;
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try {
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paramsExplorer.setRoot(File.separator);
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serverExplorer = (FilesystemServerExplorer)dataManager.openServerExplorer(FilesystemServerExplorer.NAME, paramsExplorer); |
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} catch (ValidateDataParametersException e) {
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throw new InitializeException(e); |
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} |
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//Gets the list of provider's name to manage the file
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List<String> provNameList = serverExplorer.getProviderNameList(file); |
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if(provNameList.size() > 0) { |
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for (int i = 0; i < provNameList.size(); i++) { |
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//Gets the first provider what is not a TileProvider
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if(provNameList.get(i).compareTo("Tile Store") != 0) { |
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DataStoreParameters newparams = dataManager.createStoreParameters(provNameList.get(i)); |
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((FilesystemStoreParameters)newparams).setFile(file); |
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prov = dataManager.createProvider(storeServices, newparams); |
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} |
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} |
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} else { //Default provider. This should be Gdal |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point = extensionPoints.get("DefaultRasterProvider");
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Extension ext = point.get("reader");
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String provName = ext.getDescription();
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DataStoreParameters newparams = dataManager.createStoreParameters(provName); |
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((FilesystemStoreParameters)newparams).setFile(file); |
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prov = dataManager.createProvider(storeServices, newparams); |
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} |
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} |
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if(prov != null && prov instanceof RasterProvider) { |
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if(((RasterProvider)prov).isRotated())
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throw new InitializeException("Rotation not supported tiling files", new Throwable()); |
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return (DefaultRasterProvider)prov;
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} |
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return null; |
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} |
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public RasterDataParameters createNotTiledParameters(String id) throws InitializeException, ProviderNotRegisteredException { |
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DataManagerProviderServices dataManager = (DataManagerProviderServices)DALLocator.getDataManager(); |
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ArrayList<RasterDataParameters> parametersList = createParametersList(id);
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for (int i = 0; i < parametersList.size(); i++) { |
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DataStoreProvider p = dataManager.createProvider(null, parametersList.get(i));
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if(p instanceof RasterProvider) { |
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if(!((RasterProvider)p).isTiled())
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return parametersList.get(i);
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} |
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} |
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return null; |
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} |
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@SuppressWarnings("unchecked") |
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public RasterDataParameters createParameters(String id) { |
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Iterator it = DALFileLocator.getFilesystemServerExplorerManager().getRegisteredProviders();
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while (it.hasNext()) {
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ExtensionPoint.Extension o = (ExtensionPoint.Extension)it.next(); |
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Class c = o.getExtension();
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try {
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Constructor hazNuevo = c.getConstructor();
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Object [] args2 = {}; |
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Object obj = hazNuevo.newInstance(args2);
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if(obj instanceof FilesystemServerExplorerProvider) { |
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FilesystemServerExplorerProvider prov = (FilesystemServerExplorerProvider)obj; |
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File file = new File(id); |
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if(prov.accept(file)) {
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DataManager manager = DALLocator.getDataManager(); |
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RasterFileStoreParameters params = null;
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try {
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params = (RasterFileStoreParameters) manager |
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.createStoreParameters(prov.getDataStoreProviderName()); |
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} catch (InitializeException e) {
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} catch (ProviderNotRegisteredException e) {
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} |
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params.setFile(file); |
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return params;
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} |
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} |
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} catch (SecurityException e) { |
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System.out.println("Error SecurityException in open"); |
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} catch (NoSuchMethodException e) { |
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System.out.println("Error NoSuchMethodException in open"); |
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} catch (IllegalArgumentException e) { |
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System.out.println("Error IllegalArgumentException in open"); |
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} catch (InstantiationException e) { |
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System.out.println("Error InstantiationException in open"); |
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} catch (IllegalAccessException e) { |
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System.out.println("Error IllegalAccessException in open"); |
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} catch (InvocationTargetException e) { |
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System.out.println("Error opening this image with "); |
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} |
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} |
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return null; |
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} |
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@SuppressWarnings("unchecked") |
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public ArrayList<RasterDataParameters> createParametersList(String id) { |
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ArrayList<RasterDataParameters> list = new ArrayList<RasterDataParameters>(); |
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Iterator it = DALFileLocator.getFilesystemServerExplorerManager().getRegisteredProviders();
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while (it.hasNext()) {
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ExtensionPoint.Extension o = (ExtensionPoint.Extension)it.next(); |
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Class c = o.getExtension();
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try {
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Constructor hazNuevo = c.getConstructor();
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Object [] args2 = {}; |
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Object obj = hazNuevo.newInstance(args2);
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if(obj instanceof FilesystemServerExplorerProvider) { |
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FilesystemServerExplorerProvider prov = (FilesystemServerExplorerProvider)obj; |
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File file = new File(id); |
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if(prov.accept(file)) {
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DataManager manager = DALLocator.getDataManager(); |
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RasterFileStoreParameters params = null;
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try {
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params = (RasterFileStoreParameters) manager |
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.createStoreParameters(prov.getDataStoreProviderName()); |
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} catch (InitializeException e) {
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} catch (ProviderNotRegisteredException e) {
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} |
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params.setFile(file); |
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list.add(params); |
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} |
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} |
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} catch (SecurityException e) { |
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System.out.println("Error SecurityException in open"); |
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} catch (NoSuchMethodException e) { |
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System.out.println("Error NoSuchMethodException in open"); |
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} catch (IllegalArgumentException e) { |
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System.out.println("Error IllegalArgumentException in open"); |
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} catch (InstantiationException e) { |
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System.out.println("Error InstantiationException in open"); |
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} catch (IllegalAccessException e) { |
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System.out.println("Error IllegalAccessException in open"); |
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} catch (InvocationTargetException e) { |
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System.out.println("Error opening this image with "); |
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} |
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} |
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return list;
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} |
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public RasterDataParameters createParametersForTiledFiled(String id) { |
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DataManager manager = DALLocator.getDataManager(); |
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RasterFileStoreParameters params = null;
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try {
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params = (RasterFileStoreParameters) manager.createStoreParameters("Tile Store");
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} catch (InitializeException e) {
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} catch (ProviderNotRegisteredException e) {
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} |
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File file = new File(id); |
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params.setFile(file); |
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return params;
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} |
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@SuppressWarnings("unchecked") |
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public String[] getDriversExtensions() { |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point = extensionPoints.get("RasterWriter");
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return (String[])point.getNames().toArray(new String[0]); |
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} |
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public String[] getRODriversExtensions() { |
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return getReadOnlyFormatList();
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} |
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@SuppressWarnings("unchecked") |
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public ArrayList<String> getExtensionsSupported(int dataType, int bands) throws RasterDriverException { |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point = extensionPoints.get("RasterWriter");
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Iterator iterator = point.iterator();
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ArrayList<String> result = new ArrayList<String>(); |
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while (iterator.hasNext()) {
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ExtensionPoint.Extension extension = (ExtensionPoint.Extension) iterator.next(); |
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String ext = extension.getName();
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try {
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if (isSupportedThisFileToWrite(ext, dataType, bands))
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result.add(ext); |
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} catch (SecurityException e) { |
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throw new RasterDriverException("Error SecurityException in open"); |
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} catch (IllegalArgumentException e) { |
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throw new RasterDriverException("Error IllegalArgumentException in open"); |
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} |
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} |
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return result;
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} |
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|
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@SuppressWarnings("unchecked") |
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public String[] getWriteDriversType() { |
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if (fileFeature.size() == 0) |
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return null; |
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String[] list = new String[fileFeature.size()]; |
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Set values = fileFeature.entrySet();
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int i = 0; |
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for (Iterator it = values.iterator(); it.hasNext();) { |
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list[i] = ((WriteFileFormatFeatures) ((Map.Entry) it.next()).getValue()).getDriverName();
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i++; |
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} |
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return list;
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} |
332 |
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public String getWriteDriverType(String ext) { |
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return ((WriteFileFormatFeatures) fileFeature.get(ext)).getDriverName();
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} |
336 |
|
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public int getWriteNDrivers() { |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point = extensionPoints.get("RasterWriter");
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return point.getCount();
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} |
342 |
|
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public int getWriteNTypes() { |
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return fileFeature.size();
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} |
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|
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public boolean isSupportedThisFileToWrite(String ext, int dataType, int bands) { |
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WriteFileFormatFeatures features = (WriteFileFormatFeatures) fileFeature.get(ext); |
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if (features == null) |
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return false; |
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int[] bandsSupported = features.getNBandsSupported(); |
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if (bandsSupported[0] != -1 && bandsSupported[0] < bands) |
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return false; |
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int[] dt = features.getDataTypesSupported(); |
355 |
for (int i = 0; i < dt.length; i++) |
356 |
if (dataType == dt[i])
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return true; |
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return false; |
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} |
360 |
|
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/**
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362 |
* Guarda en el RMF que trata el BlocksManager el valor value usando el serializador que soporta
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363 |
* la clase class1.
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364 |
*
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365 |
* @param blocksManager
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366 |
* @param class1
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367 |
* @param value
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368 |
* @throws RmfSerializerException
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*/
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370 |
@SuppressWarnings("unchecked") |
371 |
public void saveObjectToRmfFile(RmfBlocksManager blocksManager, Class class1, Object value) throws RmfSerializerException { |
372 |
ClassSerializer serializerObject = getSerializerObject(class1, value); |
373 |
|
374 |
if (serializerObject == null) |
375 |
throw new RmfSerializerException("No se ha podido encontrar el serializador para el Rmf"); |
376 |
|
377 |
if (!blocksManager.checkRmf())
|
378 |
throw new RmfSerializerException("Error al comprobar el fichero Rmf"); |
379 |
|
380 |
blocksManager.addClient(serializerObject); |
381 |
try {
|
382 |
blocksManager.write(true);
|
383 |
} catch (IOException e) { |
384 |
throw new RmfSerializerException("Error al escribir el fichero Rmf", e); |
385 |
} |
386 |
blocksManager.removeAllClients(); |
387 |
} |
388 |
|
389 |
@SuppressWarnings("unchecked") |
390 |
public void saveObjectToRmfFile(String file, Class class1, Object value) throws RmfSerializerException { |
391 |
String fileRMF = RasterLocator.getManager().getFileUtils().getNameWithoutExtension(file) + ".rmf"; |
392 |
RmfBlocksManager blocksManager = new RmfBlocksManager(fileRMF);
|
393 |
saveObjectToRmfFile(blocksManager, class1, value); |
394 |
} |
395 |
|
396 |
public void saveObjectToRmfFile(String file, Object value) throws RmfSerializerException { |
397 |
saveObjectToRmfFile(file, value.getClass(), value); |
398 |
} |
399 |
|
400 |
/**
|
401 |
* Construye un serializador que soporte la clase class1. El constructor se invoca
|
402 |
* con el parametro value.
|
403 |
*
|
404 |
* @param class1
|
405 |
* @param value
|
406 |
* @return
|
407 |
* @throws RmfSerializerException
|
408 |
*/
|
409 |
@SuppressWarnings("unchecked") |
410 |
public ClassSerializer getSerializerObject(Class class1, Object value) throws RmfSerializerException { |
411 |
try {
|
412 |
Class[] args = { class1 }; |
413 |
Constructor constructor = getSerializerClass(class1).getConstructor(args);
|
414 |
Object[] args2 = { value }; |
415 |
return (ClassSerializer) constructor.newInstance(args2);
|
416 |
} catch (Exception e) { |
417 |
throw new RmfSerializerException("No se ha podido crear el serializador para el Rmf", e); |
418 |
} |
419 |
} |
420 |
|
421 |
/**
|
422 |
* Gets the serializer which has a constructor with the class selected in the
|
423 |
* parameters of this function
|
424 |
* @throws RmfSerializerException
|
425 |
*/
|
426 |
@SuppressWarnings("unchecked") |
427 |
private Class getSerializerClass(Class class1) |
428 |
throws RmfSerializerException {
|
429 |
ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
430 |
ExtensionPoint point = extensionPoints.get("Serializer");
|
431 |
Iterator iterator = point.iterator();
|
432 |
while (iterator.hasNext()) {
|
433 |
ExtensionPoint.Extension extension = (ExtensionPoint.Extension) iterator.next(); |
434 |
if (extension != null) { |
435 |
Class[] args = { class1 }; |
436 |
Class clase = extension.getExtension();
|
437 |
try {
|
438 |
clase.getConstructor(args); |
439 |
return clase;
|
440 |
} catch (Exception e) { |
441 |
// Si no encuentra un constructor para esta clase, seguir� buscando en los dem�s elementos
|
442 |
} |
443 |
} |
444 |
} |
445 |
throw new RmfSerializerException("No se ha encontrado la clase para el serializador"); |
446 |
} |
447 |
|
448 |
@SuppressWarnings("deprecation") |
449 |
public void exportBufferToFile(Buffer bufResult, |
450 |
double pixelSize,
|
451 |
String extension,
|
452 |
boolean alphaBand,
|
453 |
File file,
|
454 |
Extent extent, |
455 |
ColorInterpretation colorInterpretation) throws NotSupportedExtensionException, RasterDriverException, ProcessInterruptedException, IOException { |
456 |
//Escritura en disco del tile
|
457 |
RasterManager rManager = RasterLocator.getManager(); |
458 |
DataServerWriter dataWriter = RasterLocator.getManager().createDataServerWriter(); |
459 |
dataWriter.setBuffer(bufResult, -1);
|
460 |
Params params = rManager.createWriter("_." + extension).getParams();
|
461 |
AffineTransform affineTransform = new AffineTransform(pixelSize, 0, 0, -pixelSize, |
462 |
extent.getULX(), |
463 |
extent.getULY()); |
464 |
RasterWriter rw = rManager.createWriter(dataWriter, file.getAbsolutePath(), |
465 |
bufResult.getBandCount(), affineTransform, bufResult.getWidth(), |
466 |
bufResult.getHeight(), bufResult.getDataType(), params, null);
|
467 |
|
468 |
if(colorInterpretation != null) { |
469 |
String[] values = colorInterpretation.getValues(); |
470 |
if(alphaBand) {
|
471 |
String[] newValues = values; |
472 |
boolean exists = false; |
473 |
for (int i = 0; i < values.length; i++) { |
474 |
if(values[i] != null && values[i].compareTo("Alpha") == 0) |
475 |
exists = true;
|
476 |
} |
477 |
if(!exists) {
|
478 |
newValues = new String[values.length + 1]; |
479 |
for (int i = 0; i < values.length; i++) { |
480 |
newValues[i] = values[i]; |
481 |
} |
482 |
newValues[newValues.length - 1] = "Alpha"; |
483 |
} |
484 |
rw.setColorBandsInterpretation(newValues); |
485 |
} |
486 |
|
487 |
} else {
|
488 |
if(alphaBand) {
|
489 |
String[] ci = new String[bufResult.getBandCount()]; |
490 |
if(bufResult.getBandCount() == 4) { |
491 |
ci[0] = "Red"; |
492 |
ci[1] = "Green"; |
493 |
ci[2] = "Blue"; |
494 |
ci[3] = "Alpha"; |
495 |
} else {
|
496 |
for (int i = 0; i < bufResult.getBandCount(); i++) { |
497 |
ci[i] = "Gray";
|
498 |
} |
499 |
} |
500 |
rw.setColorBandsInterpretation(ci); |
501 |
} |
502 |
} |
503 |
rw.dataWrite(); |
504 |
rw.writeClose(); |
505 |
} |
506 |
|
507 |
public void addFormat(String ext, Class<?> c) { |
508 |
getManager().addFormat(ext, c); |
509 |
} |
510 |
|
511 |
public String[] getReadOnlyFormatList() { |
512 |
return getManager().getReadOnlyFormatList();
|
513 |
} |
514 |
|
515 |
public boolean isExtensionSupported(String ext, Class<?> c) { |
516 |
return getManager().isExtensionSupported(ext, c);
|
517 |
} |
518 |
|
519 |
public boolean isExtensionSupported(String ext) { |
520 |
return getManager().isExtensionSupported(ext);
|
521 |
} |
522 |
|
523 |
public void registerFileProvidersTiled(Class<?> provider) { |
524 |
getManager().registerFileProvidersTiled(provider); |
525 |
} |
526 |
|
527 |
public void registerTileProviderFormats(Class<?> c) { |
528 |
getManager().registerTileProviderFormats(c); |
529 |
} |
530 |
} |