root / branches / pilotoDWG / libraries / libFMap / src / com / iver / cit / gvsig / fmap / drivers / VectorialFileDriver.java @ 2303
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| 1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | * Av. Blasco Ib??ez, 50
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| 24 | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | 214 | fernando | package com.iver.cit.gvsig.fmap.drivers; |
| 42 | |||
| 43 | 408 | fernando | import com.iver.cit.gvsig.fmap.core.IGeometry; |
| 44 | |||
| 45 | 214 | fernando | import java.awt.geom.Rectangle2D; |
| 46 | 408 | fernando | |
| 47 | 214 | fernando | import java.io.File; |
| 48 | import java.io.IOException; |
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| 49 | |||
| 50 | 408 | fernando | |
| 51 | /**
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| 52 | * Interfaz a implementar por los drivers. El constructor no ha de tener
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| 53 | * par?metros y ha de ser r?pido, para las tareas de inicializaci?n de la capa
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| 54 | * se deber? de utilizar initialize.
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| 55 | */
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| 56 | 214 | fernando | public interface VectorialFileDriver extends VectorialDriver { |
| 57 | 408 | fernando | /**
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| 58 | * Abre el fichero para una serie de operaciones.
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| 59 | *
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| 60 | * @param f Fichero sobre el que se va a operar
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| 61 | *
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| 62 | * @throws IOException Si se produce alg?n error
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| 63 | */
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| 64 | 214 | fernando | void open(File f) throws IOException; |
| 65 | |||
| 66 | 408 | fernando | /**
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| 67 | * Cuando se terminan las operaciones sobre el fichero se invoca ?ste
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| 68 | * m?todo para cerrar el descriptor que se abri? en f
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| 69 | *
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| 70 | * @throws IOException Si se produce alg?n error
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| 71 | */
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| 72 | 214 | fernando | void close() throws IOException; |
| 73 | |||
| 74 | 408 | fernando | /**
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| 75 | * Obtiene del fichero abierto en open la geometr?a index-?sima
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| 76 | *
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| 77 | * @param index ?ndice de la geometr?a que se quiere obtener
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| 78 | *
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| 79 | * @return IGeometry. Construida mediante llamadas a ShapeFactory
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| 80 | *
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| 81 | * @throws IOException Si se produce alg?n error
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| 82 | */
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| 83 | 305 | fjp | IGeometry getShape(int index) throws IOException; |
| 84 | 214 | fernando | |
| 85 | 408 | fernando | /**
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| 86 | * Obtiene el n?mero de geometr?as que contiene
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| 87 | * la capa
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| 88 | *
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| 89 | * @return int
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| 90 | *
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| 91 | * @throws IOException Si se produce alg?n error
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| 92 | */
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| 93 | 214 | fernando | int getShapeCount() throws IOException; |
| 94 | 408 | fernando | |
| 95 | /**
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| 96 | * Obtiene el bounding box de la capa
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| 97 | *
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| 98 | * @return Rectangle2D
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| 99 | *
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| 100 | * @throws IOException Si se produce alg?n error
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| 101 | */
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| 102 | 214 | fernando | Rectangle2D getFullExtent() throws IOException; |
| 103 | 408 | fernando | |
| 104 | /**
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| 105 | * M?todo invocado una s?la vez durante la ejecuci?n justo antes
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| 106 | * de visualizar una capa. En ?l se deben de hacer las inicializaciones
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| 107 | * necesarias
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| 108 | *
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| 109 | * @throws IOException Si se produce alg?n error
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| 110 | 1786 | vcaballero | * @throws DriverIOException
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| 111 | 408 | fernando | */
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| 112 | 1786 | vcaballero | void initialize() throws DriverIOException; |
| 113 | 408 | fernando | |
| 114 | /**
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| 115 | * Define los tipos de fichero que puede leer el driver. Si devuelve true,
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| 116 | * el fichero est? aceptado (es de los que el driver puede leer), si
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| 117 | * devuelve false es porque no lo puede leer.
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| 118 | *
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| 119 | 1005 | vcaballero | * @param f Fichero
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| 120 | 408 | fernando | *
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| 121 | 1005 | vcaballero | * @return boolean
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| 122 | 408 | fernando | */
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| 123 | boolean accept(File f); |
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| 124 | 1233 | fjp | |
| 125 | |||
| 126 | 214 | fernando | } |