Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

 * 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., 51 Franklin Street, Fifth Floor, Boston, 

 * MA  02110-1301, USA.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2010 {Prodevelop}   {Task}

 */

package org.gvsig.installer.lib.impl.info;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.util.Properties;

import org.gvsig.installer.lib.api.InstallerInfo;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodr&aacute;</a>

 */

public class InstallerInfoFileReader {

        public InstallerInfoFileReader()

        {

        }

        /**

         * Reads and parses the install.info file and creates one object that contains

         * the information.

         * @param fileName

         * The file name that contains the install.info information. 

         * @return

         * An object with the information about the installation

         * @throws InstallerInfoFileException

         */

        public void read(InstallerInfo installerInfoResource, String fileName) throws InstallerInfoFileException{

                read(installerInfoResource, new File(fileName));

        }

        /**

         * Reads and parses the install.info file and creates one object that contains

         * the information.

         * @param file

         * The file that contains the install.info information. 

         * @return

         * An object with the information about the installation

         * @throws InstallerInfoFileException 

         */

        public void read(InstallerInfo installerInfoResource, File file) throws InstallerInfoFileException{

                if (!file.exists()){

                        throw new InstallerInfoFileException("install_infofile_not_found");

                }                

                try {

                        read(installerInfoResource, new FileInputStream(file));

                } catch (FileNotFoundException e) {

                        throw new InstallerInfoFileException("install_infofile_not_found", e);

                }

        }

        /**

         * Reads and parses the install.info file and creates one object that contains

         * the information.

         * @param is

         * The input stream that contains the install.info information. 

         * @return

         * An object with the information about the installation

         * @throws InstallerInfoFileException 

         */

        public void read(InstallerInfo installerInfoResource, InputStream is) throws InstallerInfoFileException{

                Properties properties = new Properties();

                try {                        

                        properties.load(is);

                        is.close();

                } catch (IOException e) {

                        throw new InstallerInfoFileException("install_infofile_reading_error", e);

                }

                //Checks if the file contains the minumum attributes

                if (!properties.containsKey(InstallerInfoTags.CODE)){

                        throw new NotPropertyFoundException(InstallerInfoTags.CODE);

                }

                if (!properties.containsKey(InstallerInfoTags.NAME)){

                        throw new NotPropertyFoundException(InstallerInfoTags.NAME);

                }

                installerInfoResource.setCode(properties.getProperty(InstallerInfoTags.CODE));

                installerInfoResource.setName(properties.getProperty(InstallerInfoTags.NAME));

                installerInfoResource.setDescription(properties.getProperty(InstallerInfoTags.DESCRIPCTION));

                installerInfoResource.setVersion(properties.getProperty(InstallerInfoTags.VERSION));

                installerInfoResource.setType(properties.getProperty(InstallerInfoTags.TYPE));

                String build = properties.getProperty(InstallerInfoTags.BUILD);

                try{

                        installerInfoResource.setBuild(Integer.parseInt(properties.getProperty(InstallerInfoTags.BUILD)));

                }catch(Exception e){

                        installerInfoResource.setBuild(0);

                }                

                installerInfoResource.setState(properties.getProperty(InstallerInfoTags.STATE));

                try{

                        installerInfoResource.setOfficial(Boolean.parseBoolean(properties.getProperty(InstallerInfoTags.OFFCICIAL)));

                }catch(Exception e){

                        installerInfoResource.setOfficial(false);

                }                

        }

}