root / branches / v2_0_0_prep / libraries / libFMap_dalfile / src / org / gvsig / fmap / dal / store / shp / SHPStoreProvider.java @ 25789
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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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/*
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* AUTHORS (In addition to CIT):
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* 2008 IVER T.I. S.A. {{Task}}
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*/
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package org.gvsig.fmap.dal.store.shp; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Iterator; |
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import org.gvsig.fmap.dal.DataTypes; |
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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.FileNotFoundException; |
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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.UnsupportedVersionException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeatureType; |
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import org.gvsig.fmap.dal.feature.spi.FeatureData; |
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import org.gvsig.fmap.dal.resource.exception.ResourceBeginException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyCloseException; |
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import org.gvsig.fmap.dal.resource.exception.ResourceNotifyOpenException; |
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import org.gvsig.fmap.dal.resource.file.FileResource; |
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import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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import org.gvsig.fmap.dal.store.dbf.DBFStoreProvider; |
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import org.gvsig.fmap.dal.store.shp.utils.SHPFile; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DelegatedDynObject; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynField; |
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import org.gvsig.tools.dynobject.DynObjectManager; |
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import org.gvsig.tools.persistence.PersistenceException; |
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import org.gvsig.tools.persistence.PersistentState; |
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public class SHPStoreProvider extends DBFStoreProvider { |
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public static String NAME = "SHPStore"; |
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public static String DESCRIPTION = "SHP file"; |
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private SHPFile shpFile;
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private ResourceProvider shpResource;
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private SHPStoreParameters shpParams;
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protected static final String GEOMETRY_ATTIBUTE_NAME = "GEOMETRY"; |
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protected static final String DYNFIELD_SRSORIGINALPARAMETERS_NAME = "SRSOriginalParameters"; |
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private static final String DYNCLASS_NAME = "SHPStore"; |
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protected static DynClass DYNCLASS = null; |
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private SHPFeatureWriter writer = null; |
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public SHPStoreProvider(SHPStoreParameters params)
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throws InitializeException {
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super(params);
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this.shpParams = params;
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shpResource = this.createResource(FileResource.NAME,
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new Object[] { this.shpParams.getSHPFileName() }); |
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shpResource.addConsumer(this);
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// FIXME
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this.dynObject = this.dynObject = (DelegatedDynObject) ToolsLocator |
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.getDynObjectManager().createDynObject(DYNCLASS); |
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this.shpFile = new SHPFile(this.shpParams); |
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} |
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protected static void registerDynClass() { |
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DynObjectManager dynman = ToolsLocator.getDynObjectManager(); |
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DynClass dynClass; |
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DynField field; |
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if (DYNCLASS == null) { |
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DynClass dbfDynClass = DBFStoreProvider.DYNCLASS; |
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dynClass = dynman.add(DYNCLASS_NAME); |
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field = dynClass.addDynField(DYNFIELD_SRSORIGINALPARAMETERS_NAME); |
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field.setType(DataTypes.STRING); |
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field.setDescription("SRS original parameters");
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// The SHP store parameters extend the DBF store parameters
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dynClass.extend(dbfDynClass); |
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DYNCLASS = dynClass; |
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} |
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} |
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protected static EditableFeatureAttributeDescriptor addGeometryColumn( |
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EditableFeatureType fType) { |
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EditableFeatureAttributeDescriptor attr = fType.add( |
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GEOMETRY_ATTIBUTE_NAME, DataTypes.GEOMETRY); |
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fType.setDefaultGeometryAttributeName(attr.getName()); |
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return attr;
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} |
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protected static void removeGeometryColumn( |
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EditableFeatureType fType) { |
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fType.setDefaultGeometryAttributeName(GEOMETRY_ATTIBUTE_NAME); |
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fType.remove(GEOMETRY_ATTIBUTE_NAME); |
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} |
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protected EditableFeatureType getTheFeatureType()
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throws InitializeException {
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EditableFeatureType fType = super.getTheFeatureType();
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try {
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this.open();
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this.shpResource.begin();
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} catch (DataException e) {
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throw new InitializeException(this.getName(), e); |
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} |
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try {
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EditableFeatureAttributeDescriptor attr = addGeometryColumn( |
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fType).setGeometryType( |
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this.shpFile.getGeometryType());
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String srs = this.getSRS(this.shpFile.getSRSParameters()); |
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if (srs == null){ |
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// TODO petar ??
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srs = "EPSG:23030";
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} |
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attr.setSRS(srs); |
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return fType;
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} catch (ReadException e) {
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throw new InitializeException(e); |
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} finally {
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this.shpResource.end();
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} |
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} |
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private String getSRS(String srsParameters) { |
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// TODO identificar que SRS hay que usar, ya sea
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// el que se recibe de los parametros o el que
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// conicida con el que se ha encontrado en el
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// prg... y si ninguna de las dos que?
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return null; |
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} |
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protected SHPStoreParameters getShpParameters() {
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return shpParams;
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} |
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public String getName() { |
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return NAME;
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} |
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public boolean allowWrite() { |
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return super.allowWrite() && this.shpFile.isEditable(); |
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} |
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/**
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*
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* @param index
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* @param featureType
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* @return
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* @throws ReadException
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*/
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protected FeatureData getFeatureDataByIndex(long index, |
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FeatureType featureType) throws DataException {
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this.open();
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this.shpResource.begin();
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try {
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FeatureData featureData = super.getFeatureDataByIndex(index,
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featureType); |
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featureData.setDefaultEnvelope(this.shpFile.getBoundingBox(index));
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return featureData;
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} catch (DataException e) {
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throw e;
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} finally {
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this.shpResource.end();
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} |
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} |
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protected void initFeatureDataByIndex(FeatureData featureData, |
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long index, FeatureType featureType) throws DataException { |
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this.open();
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this.shpResource.begin();
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try {
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super.initFeatureDataByIndex(featureData, index, featureType);
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featureData.setDefaultEnvelope(this.shpFile.getBoundingBox(index));
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} finally {
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this.shpResource.end();
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} |
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} |
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/**
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*
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* @param featureData
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* @throws DataException
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*/
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protected void loadFeatureDataByIndex(FeatureData featureData) |
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throws DataException {
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this.open();
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this.shpResource.begin();
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try {
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long index = ((Long) featureData.getOID()).longValue(); |
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super.loadFeatureDataByIndex(featureData);
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if (featureData.getType().getDefaultGeometryAttributeIndex() >= 0) { |
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featureData.setDefaultGeometry(this.shpFile.getGeometry(index));
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} |
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} finally {
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this.shpResource.end();
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} |
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} |
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protected void loadValue(FeatureData featureData, int rowIndex, |
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FeatureAttributeDescriptor descriptor) throws ReadException {
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if (descriptor.getDataType() == DataTypes.GEOMETRY) {
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return;
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} else {
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super.loadValue(featureData, rowIndex, descriptor);
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} |
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} |
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public FeatureData createFeatureData(FeatureType type) throws DataException { |
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FeatureData data = new SHPFeatureData(this, (DefaultFeatureType) type); |
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return data;
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} |
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public void open() throws OpenException { |
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super.open();
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if (this.shpFile.isOpen()) { |
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return;
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} |
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try {
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this.shpResource.begin();
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} catch (ResourceBeginException e) {
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throw new OpenException(this.getName(), e); |
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} |
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try {
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this.shpFile.open();
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this.shpResource.notifyOpen();
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// load metadata
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this.dynObject.setDynValue(
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DYNFIELD_SRSORIGINALPARAMETERS_NAME, |
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this.shpFile.getSRSParameters());
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this.dynObject.setDynValue("Envelope", shpFile.getFullExtent()); |
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} catch (UnsupportedVersionException e) {
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throw new OpenException(this.getName(), e); |
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} catch (ResourceNotifyOpenException e) {
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throw new OpenException(this.getName(), e); |
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} catch (FileNotFoundException e) { |
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throw new OpenException(this.getName(), e); |
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} catch (DataException e) {
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throw new OpenException(this.getName(), e); |
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} finally {
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this.shpResource.end();
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} |
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} |
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public void close() throws CloseException { |
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super.close();
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if (!this.shpFile.isOpen()) { |
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return;
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} |
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try {
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this.shpResource.begin();
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} catch (ResourceBeginException e) {
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throw new CloseException(this.getName(), e); |
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} |
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try {
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this.shpFile.close();
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this.shpResource.notifyClose();
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} catch (ResourceNotifyCloseException e) {
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throw new CloseException(this.getName(), e); |
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} finally {
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this.shpResource.end();
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} |
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} |
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public boolean canWriteGeometry(int geometryType) throws DataException { |
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this.open();
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this.shpResource.begin();
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try {
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return this.shpFile.canWriteGeometry(geometryType); |
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} finally {
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this.shpResource.end();
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} |
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} |
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public void performEditing(Iterator deleteds, Iterator inserteds, |
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Iterator updateds) throws PerformEditingException { |
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FeatureType fType; |
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try {
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fType = this.store.getDefaultFeatureType();
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} catch (DataException e) {
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throw new PerformEditingException(this.getName(), e); |
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} |
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// TODO Comprobar el campo de geometria
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EditableFeatureType dbfFtype = fType.getEditable(); |
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removeGeometryColumn(dbfFtype); |
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try {
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FeatureSet set = this.store.getFeatureSet();
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// this.shpResource.begin();
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writer = new SHPFeatureWriter(this.getName()); |
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writer.begin(this.shpParams, fType, dbfFtype, set.getSize());
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// Iterator iter1 = set.iterator();
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// ArrayList<Feature> features=new ArrayList<Feature>();
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// while (iter1.hasNext()) {
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// features.add((Feature) iter1.next());
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// }
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// for (int i = features.size()-1; i >=0; i--) {
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// writer.write(features.get(i));
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// }
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Iterator iter = set.iterator();
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while (iter.hasNext()) {
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Feature feature=(Feature) iter.next(); |
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writer.write(feature); |
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} |
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writer.end(); |
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shpResource.notifyChanges(); |
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} catch (Exception e) { |
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throw new PerformEditingException(this.getName(), e); |
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} finally {
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// shpResource.end();
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} |
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} |
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public Envelope getEnvelope() throws DataException { |
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this.open();
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this.shpResource.begin();
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try {
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return this.shpFile.getFullExtent(); |
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} finally {
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this.shpResource.end();
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} |
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} |
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public void setState(PersistentState state) throws PersistenceException { |
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// TODO Auto-generated method stub
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super.setState(state);
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} |
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public PersistentState getState() throws PersistenceException { |
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// TODO Auto-generated method stub
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return super.getState(); |
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} |
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public void append(Feature feature) { |
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try {
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writer.write(feature); |
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} catch (DataException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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public void beginAppend() { |
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try {
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FeatureType fType = this.store.getDefaultFeatureType();
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// TODO Comprobar el campo de geometria
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EditableFeatureType dbfFtype = fType.getEditable(); |
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removeGeometryColumn(dbfFtype); |
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FeatureSet set = this.store.getFeatureSet();
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writer = new SHPFeatureWriter(this.getName()); |
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writer.begin(this.shpParams, fType, dbfFtype, set.getSize());
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} catch (DataException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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public void endAppend() { |
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try {
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writer.end(); |
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shpResource.notifyChanges(); |
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} catch (DataException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.metadata.Metadata#getMetadataName()
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*/
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public String getMetadataName() { |
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return this.shpParams.getSHPFile().getName(); |
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} |
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} |