typegeom.java

用于GIS(全球地理系统)的分析和处理的代码。

/*
 * This file is part of the GeOxygene project source files. 
 * 
 * GeOxygene aims at providing an open framework which implements OGC/ISO specifications for 
 * the development and deployment of geographic (GIS) applications. It is a open source 
 * contribution of the COGIT laboratory at the Institut G閛graphique National (the French 
 * National Mapping Agency).
 * 
 * See: http://oxygene-project.sourceforge.net 
 *  
 * Copyright (C) 2005 Institut G閛graphique National
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation; 
 * either version 2.1 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY 
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with 
 * this library (see file LICENSE if present); if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *  
 */

package fr.ign.cogit.geoxygene.util.loader;

import fr.ign.cogit.geoxygene.datatools.Geodatabase;
import fr.ign.cogit.geoxygene.feature.FT_Feature;
import fr.ign.cogit.geoxygene.feature.FT_FeatureCollection;
import fr.ign.cogit.geoxygene.spatial.coordgeom.GM_LineString;
import fr.ign.cogit.geoxygene.spatial.coordgeom.GM_Polygon;
import fr.ign.cogit.geoxygene.spatial.geomaggr.GM_MultiCurve;
import fr.ign.cogit.geoxygene.spatial.geomaggr.GM_MultiPoint;
import fr.ign.cogit.geoxygene.spatial.geomaggr.GM_MultiSurface;
import fr.ign.cogit.geoxygene.spatial.geomprim.GM_Curve;
import fr.ign.cogit.geoxygene.spatial.geomprim.GM_Point;
import fr.ign.cogit.geoxygene.spatial.geomprim.GM_Surface;
import fr.ign.cogit.geoxygene.spatial.geomroot.GM_Object;


/**
  * Usage interne. 
  * Homogeneise les geometries d'une table geographique : 
  * les collections sont repassees en primitive.
  *
  *
  * @author Thierry Badard & Arnaud Braun
  * @version 1.1
  * 
  */

public class TypeGeom {

	private Class theClass;  
	private Geodatabase db;

	///////////////////////////////////////////////////////////////////////////////////////////////////////
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	public TypeGeom(Geodatabase DB, Class TheClass) {
		theClass = TheClass;
		db = DB;
	}
    

	///////////////////////////////////////////////////////////////////////////////////////////////////////
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	public void multi () {
		try {
			db.begin();
			try {
				FT_FeatureCollection list;
				try {
					list = db.loadAllFeatures(theClass);
				} catch (java.lang.OutOfMemoryError mem) {
					System.out.println(" ##### ATTENTION MANQUE DE MEMOIRE POUR TRAITER LA CLASSE "+theClass.getName());
					System.out.println(" Pour cette classe, relancer le traitement avec l'option -Xmx ");
					list  = new FT_FeatureCollection();
				}
				list.initIterator();
				int i=0 ;
				while (list.hasNext()) {
					i++;
					FT_Feature f = (FT_Feature)list.next();
					GM_Object o = f.getGeom();        
					if (o instanceof GM_MultiSurface) {
						FT_Feature f1 = (FT_Feature)f.cloneGeom();
						db.deletePersistent(f);                        
						this.multiSurface(f1);
					}
					else if (o instanceof GM_MultiCurve) {
						FT_Feature f1 = (FT_Feature)f.cloneGeom();
						db.deletePersistent(f);  
						this.multiCurve(f1);
					}
					else if (o instanceof GM_MultiPoint) {
						FT_Feature f1 = (FT_Feature)f.cloneGeom();
						db.deletePersistent(f);                             
						this.multiPoint(f1);    
					}
				   else if (!((o instanceof GM_Point) ||
						(o instanceof GM_LineString) ||
						(o instanceof GM_Polygon))) 
							System.out.println("## ATTENTION ###"+o.getClass().getName()+" - id = "+f.getId());

				   /* if ((i%1000) == 0) {
						System.out.println(i+" ...");
						db.checkpoint();
					}*/
				}
			} catch (Exception e1) {
				System.out.println(e1.getMessage());
//				e1.printStackTrace();
			}
                
			db.commit();
   
		} catch (Exception e) {
			e.printStackTrace();
		}
            
	}
    

    
    
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	private void multiSurface (FT_Feature theFeature) {
		System.out.println(" GM_MultiSurface detecte dans "+theClass.getName()+" - id = "+theFeature.getId());
		try {
			GM_MultiSurface ms = (GM_MultiSurface)theFeature.getGeom();
			ms.initIterator();
			while (ms.hasNext()) {
				GM_Surface p = (GM_Surface)ms.next();
				FT_Feature newFeature = (FT_Feature)theFeature.cloneGeom();
				newFeature.setGeom(p);
				newFeature.setId(0);
				db.makePersistent(newFeature);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
 
            
        

        
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	private void multiCurve (FT_Feature theFeature) {
		System.out.println(" GM_MultiCurve detecte dans "+theClass.getName()+" - id = "+theFeature.getId());     
		try {
			GM_MultiCurve mc = (GM_MultiCurve)theFeature.getGeom();       
			mc.initIterator();
			while (mc.hasNext()) {
				GM_Curve c = (GM_Curve)mc.next();
				FT_Feature newFeature = (FT_Feature)theFeature.cloneGeom();
				newFeature.setGeom(c);  
				newFeature.setId(0);
				db.makePersistent(newFeature);   
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
        
        

        
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	///////////////////////////////////////////////////////////////////////////////////////////////////////
	private void multiPoint (FT_Feature theFeature) {
		System.out.println(" GM_MultiPoint detecte dans "+theClass.getName()+" - id = "+theFeature.getId());
		try {
			GM_MultiPoint mp = (GM_MultiPoint)theFeature.getGeom();
			mp.initIterator();
			while (mp.hasNext()) {
				GM_Point p = (GM_Point)mp.next();
				FT_Feature newFeature = (FT_Feature)theFeature.cloneGeom();
				newFeature.setGeom(p);
				newFeature.setId(0);                
				db.makePersistent(newFeature);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
            
}