Application: gvSIG desktop

package org.gvsig.gpe.readers;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.InputStream;

import java.util.ArrayList;

import junit.framework.TestCase;

import org.gvsig.gpe.GPEContentHandlerTest;

import org.gvsig.gpe.GPEErrorHandlerTest;

import org.gvsig.gpe.GPERegister;

import org.gvsig.gpe.containers.Layer;

import org.gvsig.gpe.parser.GPEContentHandler;

import org.gvsig.gpe.parser.GPEErrorHandler;

import org.gvsig.gpe.parser.GPEParser;

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: GPEReaderBaseTest.java 173 2007-11-06 12:10:57Z jpiera $

 * $Log$

 * Revision 1.7  2007/05/09 06:54:07  jorpiell

 * Change the File by URI

 *

 * Revision 1.6  2007/04/20 12:04:10  csanchez

 * Actualizacion protoripo libGPE, A?adidos test para el parser, parseo con XSOM

 *

 * Revision 1.5  2007/04/19 11:50:20  csanchez

 * Actualizacion protoripo libGPE

 *

 * Revision 1.4  2007/04/19 07:23:20  jorpiell

 * Add the add methods to teh contenhandler and change the register mode

 *

 * Revision 1.3  2007/04/14 16:06:35  jorpiell

 * Add the container classes

 *

 * Revision 1.2  2007/04/13 13:14:55  jorpiell

 * Created the base tests and add some methods to the content handler

 *

 * Revision 1.1  2007/04/13 07:17:54  jorpiell

 * Add the writting tests for the simple geometries

 *

 *

 */

/**

 * This class must be implementend by all the classes that

 * implements a GPE reader Parser. 

 * @author Jorge Piera LLodr? (jorge.piera@iver.es)

 */

public abstract class GPEReaderBaseTest extends TestCase {

        private File file = null;

        private GPEParser parser = null;

        private GPEContentHandler contenHandler = null;

        private GPEErrorHandler errorHandler = null;

        private String parserName="FORMAT VERSION";

        private String parserDescription="default parser description";

        public void setUp() throws Exception{

                //Register the parser

                GPERegister.addGpeParser(getGPEParserName(), 

                                getGPEParserDescription(), 

                                getGPEParserClass());

                System.out.println("INFO: Parser registrado");

                file = new File(getFile());

                System.out.println("INFO: Abriendo Fichero: "+file.getName());

                assertEquals(GPERegister.accept(file.toURI()),true);

                System.out.println("INFO: Existe parser registrado para el fomato ");

                parser = GPERegister.createParser(getGPEParserName());

                System.out.println("INFO: Creado el parser ");

                assertNotNull(parser);

        }

        /**

         * This test parses the file and make the 

         * asserts.

         * @throws Exception

         */

        public void testParse() throws Exception{

                parseFile();

                parseInputStream();                

        }

        /**

         * Parses the file

         */

        private void parseFile(){

                System.out.println("INFO: PARSING THE FILE...");

                parser.parse(getContenHandler() , getErrorHandler(), file.toURI());

                System.out.println("INFO: ??? SUCCESS !!!");

                makeAsserts();

        }

        /**

         * Parses the file like an inputstream

         * @throws FileNotFoundException

         */

        private void parseInputStream() throws Exception{

                InputStream is = getInputStream();

                errorHandler = null;

                contenHandler = null;

                System.out.println("INFO: PARSING THE INPUTSTREAM...");

                parser.parse(getContenHandler() , getErrorHandler(), is);

                System.out.println("INFO: ??? SUCCESS !!!");

                makeAsserts();

        }        

        /**

         * This method has to be override by the tests that use

         * other InputStream (KMZ...)

         * @return

         * @throws FileNotFoundException

         */

        public InputStream getInputStream() throws Exception{

                return new FileInputStream(new File(getFile()));

        }

        /**

         * This method must be used by the subclasses

         * to make the comparations. With getLayers

         * it can retrieve the parsed layers

         */

        public abstract void makeAsserts();

        /**

         * Each test must to return its parser name

         * to register it before to start the parsing

         * process

         */

        public String getGPEParserName(){

                return parserName;

        }

        /**

         * Each test must to return its parser description

         * to register it before to start the parsing

         * process

         */

        public String getGPEParserDescription(){

                return parserDescription ;

        }

        /**

         * Each test must to return its parser name

         * to register it before to start the parsing

         * process

         */

        public void setGPEParserName(String name){

                parserName=name;

        }

        /**

         * Each test must to return its parser description

         * to register it before to start the parsing

         * process

         */

        public void setGPEParserDescription(String description){

                parserDescription=description;

        }

        /**

         * Each test must to return its parser class

         * that will be used to create new parsers.

         */

        public abstract Class getGPEParserClass();

        /**

         * Gets the GML file to open

         * @return

         */

        public abstract String getFile();

        /**

         * Gets a list of parsed layers

         * @return

         */

        public Layer[] getLayers(){

                ArrayList layers = ((GPEContentHandlerTest)parser.getContentHandler()).getLayers();

                Layer[] aLayers = new Layer[layers.size()];

                for (int i=0 ; i<layers.size() ; i++){

                        aLayers[i] = (Layer)layers.get(i);

                }

                return aLayers;

        }

        /**

         * @return the contenHandler

         */

        public GPEContentHandler getContenHandler() {

                if (contenHandler == null){

                        contenHandler = new GPEContentHandlerTest();

                }

                return contenHandler;

        }

        /**

         * @return the errorHandler

         */

        public GPEErrorHandler getErrorHandler() {

                if (errorHandler == null){

                        errorHandler = new GPEErrorHandlerTest();

                }

                return errorHandler;

        }

}