Descompressor.java

/*
* This file is part of DroidClic
*
* DroidClic is copyright 2012 by
* 	Marc Alier Forment,
* 	Maria Jos� Casany Guerrero,
* 	Enric Mayol
* 
* UPC Students involved in this project:
* 
* Previous version and legacy code:
* ---------------------------------
* 	PUJOL BENET, MIRIAM
*
*
* Project management
* ------------------
*	ALMA SERRANO, ALBERT
* 	CLAVER ARGUDO, MARIA
*	JIMENEZ TARRES, VICTOR
*	CORCHADO MERINO, JUAN CARLOS
* 	JUAN JANE, ANDREU
*	MENES ROUCO, MARTIN
*	ORTEGA GOMEZ, CRISTIAN
*	PURCET SOTO, SERGI
*	RAMOS GONZALEZ, RICARDO
* 	SOLE MORERA, DANIEL
*
*
* Research & support
* --------------------
*	ALBALATE FERNANDEZ, AIDA
* 	CABRE JUAN, ALBERT
* 	CANDON ARENAS, HECTOR
*	ELBAILE SERRA, ABEL
* 	GONZALEZ DE PABLO, BORJA
*	IGLESIAS LOPEZ, OSCAR
* 	MARTINEZ LOPEZ, SERGIO
*	PEREZ PLANAS, ORIAC
*	SANCHEZ MARCOS, IVAN
* 	TORNE GOZALBO, ORIOL
*
*
* Development
* -----------
* Lead developers
*	ALBALATE FERNANDEZ, AIDA
*	COSTA MANSILLA, GERARD
* 	GONZALEZ DE PABLO, BORJA
* Developers:
* 	ALEMANY FONT, ALBERT
* 	ALVAREZ JUSTE, XAVIER
* 	ALVAREZ MORALES, FERRAN
* 	BARRERO MARTINEZ, LINDSAY
* 	BENITEZ VALLS, ALBERT
* 	BERRUEZO MARTINEZ, DAVID
*	BRAMON DEVANT, MARC
* 	BRIGUELLI DA SILVA, LUIS FERNANDO
* 	CABRE JUAN, ALBERT
* 	CANDON ARENAS, HECTOR
* 	CAPEL CATALAN, VICTOR
*	CLAVER ARGUDO, MARIA
*	DE PAULA DE PUIG GUIXE, FRANCESC
* 	DIEZ RUIZ, ALBERT
*	ELBAILE SERRA, ABEL
* 	FARRE GONZALEZ, PAU
*	GARCIA GARCIA, XAVIER
* 	HURTADO OBIOLS, CRISTINA
* 	MARTINEZ DIAZ, ARTURO
* 	MARTINEZ LOPEZ, SERGIO
*	MENES ROUCO, MARTIN
* 	MONTSERRAT GARCIA, EDUARD
* 	ORTIZ GRIMAU, XAVIER
* 	OSORIO ALVAREZ, DAVID
*	PASCUAL VAZQUEZ, PABLO
* 	PEDRAZA GUTIERREZ, M. MERCEDES
* 	PEREZ PLANAS, ORIAC
* 	RODRIGUEZ TORRES, MIREIA
* 	SANCHEZ MARCOS, IVAN
*	SEGARRA RODA, EDUARD
*	SELLES FEITO, MANEL
*	SOLER PASCUAL, GERARD
*	SUBIRATS SALVANS, JOAN
*
*
* Design & usability
* --------------------
* Lead designer:
* 	LEGORBURU CLADERA, I�IGO
* Designers:
* 	OTAL RODRIGUEZ, DANIEL
*	PASCUAL VAZQUEZ, PABLO
*	SEGARRA RODA, EDUARD
*	SOLER PASCUAL, GERARD
*	SUBIRATS SALVANS, JOAN
* 	VIDAL PASTALLE, MARIA
*
*
* Testing, evaluation & audit
* ---------------------------
* Lead tester:
* 	NAVARRO JIMENEZ, GERMAN
*	ALEMANY FONT, ALBERT
* Testers:
*	ALVAREZ MORALES, FERRAN
*	BENITEZ VALLS, ALBERT
* 	CAPEL CATALAN, VICTOR
*	MONTSERRAT GARCIA, EDUARD
* 	ORTIZ GRIMAU, XAVIER
* 	SANCHEZ CORREDOR, MONTSERRAT
*
*
* Documentation, communication & broadcast
* ----------------------------------------
* Lead documentator:
*	ALVAREZ JUSTE, XAVIER
*	SANCHEZ CORREDOR, MONTSERRAT
* Documentators:
*	BARRERO MARTINEZ, LINDSAY
* 	GARCIA GARCIA, XAVIER
*	NAVARRO JIMENEZ, GERMAN
*	OSORIO ALVAREZ, DAVID
*	TORNE GOZALBO, ORIOL
*
* 
* DroidClic is copyright 2012 by
* Universitat Politecnica de Catalunya http://www.upc.edu
* Contact info:
* Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu 
*
* DroiClic 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 3 of the License, or
* (at your option) any later version.
*
* Droidlic 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 DroidClic. If not, see <http://www.gnu.org/licenses/>.
*
* DroidClic is based on the Software JClic by Francesc Busquets
* http://clic.xtec.cat/es/jclic/ 
*
*/




package pfc.Descompressor;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import android.os.Environment;
import android.util.Log;

public class Descompressor {

	public static boolean descompressor(String fitxer, String path) {
		/*
		 * Agafa el fitxer que se li demana (CO.fitxer) del fitxer que se li diu
		 * (CO.path) i el coloca a /sdcard/tmp/jclic
		 */
		try {
			String sdpath = Environment.getExternalStorageDirectory()
					.toString();
			String ext = "/tmp";
			String desti = sdpath + ext;
			File NewFolder = new File(desti);
			if (!NewFolder.exists()) {
				NewFolder.mkdirs();
			} else
				NewFolder.delete();
			ext = "/jclic/";
			desti += ext;
			File NewFolder2 = new File(desti);
			if (!NewFolder2.exists()) {
				NewFolder2.mkdirs();
			} else
				NewFolder2.delete();

			byte[] buf = new byte[1024];

			ZipInputStream zis = new ZipInputStream(new FileInputStream(path));
			ZipEntry ze = zis.getNextEntry();

			while (ze != null) {
				String entryName = ze.getName();

				if (fitxer.equals(entryName)) {
					File newFile = new File(entryName);
					String directory = newFile.getParent();

					if (directory == null) {
						if (newFile.isDirectory())
							break;
					}

					FileOutputStream fos = new FileOutputStream(desti
							+ entryName);

					int n;
					while ((n = zis.read(buf, 0, 1024)) > -1) {
						fos.write(buf, 0, n);
					}
					fos.close();
				}
				zis.closeEntry();
				ze = zis.getNextEntry();
			}
			zis.close();

			return true;
		} catch (Exception e) {
			Log.d("Error", "catch Descompressor: " + e);
			return false;
		}
	}
}