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;

import java.io.BufferedOutputStream;

import java.io.DataOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import org.gvsig.tools.junit.AbstractLibraryAutoInitTestCase;

/**

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

 */

public abstract class InstallerServiceTest extends AbstractLibraryAutoInitTestCase{

        public File getApplicationDirectory() throws IOException{

                File templateFile = new File(getClass().getClassLoader().getResource("application").getFile());

                File applicationDirectory = new File(System.getProperty("java.io.tmpdir") +  File.separator + "tmp_gvsig_installer");                

                if (applicationDirectory.exists()){

                        deleteDir(applicationDirectory);

                }

                copy(templateFile, applicationDirectory);

                return applicationDirectory;

        }

        public File getTemporalFile(){

                return new File(System.getProperty("java.io.tmpdir") + File.separator + "installer" + Math.random());

        }

        public File getPluginsDirectory() throws IOException{

                File applicationDirectory = getApplicationDirectory();

                return new File(applicationDirectory + File.separator + "gvSIG" + File.separator + "extensiones");

        }

        public boolean deleteDir(File dir) { 

                if (dir.isDirectory()) {

                        String[] children = dir.list();

                        for (int i=0; i<children.length; i++) {

                                boolean success = deleteDir(new File(dir, children[i]));

                                if (!success) { 

                                        return false; 

                                } 

                        }

                }

                return dir.delete();                 

        }

        public void copy(File sourceLocation , File targetLocation) throws IOException { 

                if (sourceLocation.isDirectory()) {

                        if (!targetLocation.exists()) {

                                targetLocation.mkdir();

                        }

                        String[] children = sourceLocation.list();

                        for (int i=0; i<children.length; i++) {

                                copy(new File(sourceLocation, children[i]),

                                                new File(targetLocation, children[i]));

                        }

                } else {

                        targetLocation.getParentFile().mkdirs();

                        InputStream in = new FileInputStream(sourceLocation);

                        OutputStream out = new FileOutputStream(targetLocation);

                        // Copy the bits from instream to outstream

                        byte[] buf = new byte[1024];

                        int len;

                        while ((len = in.read(buf)) > 0) {

                                out.write(buf, 0, len);

                        }

                        in.close();

                        out.close();

                }                 

        }

        public void writeToFile(InputStream is, File file) {

                try {

                        DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file)));

                        InputStream is2 = is;

                        boolean again = true;

                        while(again) {

                                if(is2.read() > -1) {

                                        out.writeByte(is.read());

                                }

                                else again = false;

                        }

                        is.close();

                        out.close();

                }

                catch(IOException e) {

                        System.err.println("Error Writing/Reading Streams.");

                }

        }

}