/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
Copyright 2011 Gephi Consortium. All rights reserved.
The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License. When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"
If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
under the [CDDL or GPL Version 3] license." If you do not indicate a
single choice of license, a recipient has the option to distribute
your version of this file under either the CDDL, the GPL Version 3 or
to extend the choice of license to its licensees as provided above.
However, if you add GPL Version 3 code and therefore, elected the GPL
Version 3 license, then the option applies only if the new code is
made subject to such option by the copyright holder.
Contributor(s):
Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.desktop.importer;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.lang.reflect.InvocationTargetException;
import java.nio.ByteBuffer;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.GZIPInputStream;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream;
import org.gephi.desktop.importer.api.ImportControllerUI;
import org.gephi.desktop.mrufiles.api.MostRecentFiles;
import org.gephi.desktop.project.api.ProjectControllerUI;
import org.gephi.io.importer.api.Container;
import org.gephi.io.importer.api.Database;
import org.gephi.io.importer.api.ImportController;
import org.gephi.io.importer.api.Report;
import org.gephi.io.importer.spi.DatabaseImporter;
import org.gephi.io.importer.spi.FileImporter;
import org.gephi.io.importer.spi.ImporterUI;
import org.gephi.io.importer.spi.ImporterWizardUI;
import org.gephi.io.importer.spi.SpigotImporter;
import org.gephi.io.processor.spi.Processor;
import org.gephi.io.processor.spi.ProcessorUI;
import org.gephi.project.api.ProjectController;
import org.gephi.project.api.Workspace;
import org.gephi.utils.longtask.api.LongTaskErrorHandler;
import org.gephi.utils.longtask.api.LongTaskExecutor;
import org.gephi.utils.longtask.spi.LongTask;
import org.netbeans.validation.api.ui.ValidationPanel;
import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.awt.StatusDisplayer;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.util.Exceptions;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.lookup.ServiceProvider;
/**
*
* @author Mathieu Bastian
* @author Sebastien Heymann
*/
@ServiceProvider(service = ImportControllerUI.class)
public class DesktopImportControllerUI implements ImportControllerUI {
private final LongTaskExecutor executor;
private final LongTaskErrorHandler errorHandler;
private final ImportController controller;
public DesktopImportControllerUI() {
controller = Lookup.getDefault().lookup(ImportController.class);
errorHandler = new LongTaskErrorHandler() {
@Override
public void fatalError(Throwable t) {
if (t instanceof OutOfMemoryError) {
return;
}
// t.printStackTrace();
// String message = t.getCause().getMessage();
// if (message == null || message.isEmpty()) {
// message = t.getMessage();
// }
// NotifyDescriptor.Message msg = new NotifyDescriptor.Message(message, NotifyDescriptor.WARNING_MESSAGE);
// DialogDisplayer.getDefault().notify(msg);
Exceptions.printStackTrace(t);
t.printStackTrace();
}
};
executor = new LongTaskExecutor(true, "Importer", 10);
}
@Override
public void importFile(FileObject fileObject) {
try {
final FileImporter importer = controller.getFileImporter(FileUtil.toFile(fileObject));
if (importer == null) {
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(getClass(), "DesktopImportControllerUI.error_no_matching_file_importer"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
return;
}
//MRU
MostRecentFiles mostRecentFiles = Lookup.getDefault().lookup(MostRecentFiles.class);
mostRecentFiles.addFile(fileObject.getPath());
ImporterUI ui = controller.getUI(importer);
if (ui != null) {
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.file.ui.dialog.title", ui.getDisplayName());
JPanel panel = ui.getPanel();
ui.setup(importer);
final DialogDescriptor dd = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
}
Object result = DialogDisplayer.getDefault().notify(dd);
if (!result.equals(NotifyDescriptor.OK_OPTION)) {
ui.unsetup(false);
return;
}
ui.unsetup(true);
}
LongTask task = null;
if (importer instanceof LongTask) {
task = (LongTask) importer;
}
//Execute task
fileObject = getArchivedFile(fileObject);
final String containerSource = fileObject.getNameExt();
final InputStream stream = fileObject.getInputStream();
String taskName = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.taskName", containerSource);
executor.execute(task, new Runnable() {
@Override
public void run() {
try {
Container container = controller.importFile(stream, importer);
if (container != null) {
container.setSource(containerSource);
finishImport(container);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}, taskName, errorHandler);
if (fileObject.getPath().startsWith(System.getProperty("java.io.tmpdir"))) {
try {
fileObject.delete();
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
}
}
} catch (Exception ex) {
Logger.getLogger("").log(Level.WARNING, "", ex);
}
}
@Override
public void importStream(final InputStream stream, String importerName) {
try {
final FileImporter importer = controller.getFileImporter(importerName);
if (importer == null) {
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(getClass(), "DesktopImportControllerUI.error_no_matching_file_importer"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
return;
}
ImporterUI ui = controller.getUI(importer);
if (ui != null) {
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.file.ui.dialog.title", ui.getDisplayName());
JPanel panel = ui.getPanel();
ui.setup(importer);
final DialogDescriptor dd = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
}
Object result = DialogDisplayer.getDefault().notify(dd);
if (!result.equals(NotifyDescriptor.OK_OPTION)) {
ui.unsetup(false);
return;
}
ui.unsetup(true);
}
LongTask task = null;
if (importer instanceof LongTask) {
task = (LongTask) importer;
}
//Execute task
final String containerSource = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.streamSource", importerName);
String taskName = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.taskName", containerSource);
executor.execute(task, new Runnable() {
@Override
public void run() {
try {
Container container = controller.importFile(stream, importer);
if (container != null) {
container.setSource(containerSource);
finishImport(container);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}, taskName, errorHandler);
} catch (Exception ex) {
Logger.getLogger("").log(Level.WARNING, "", ex);
}
}
@Override
public void importFile(final Reader reader, String importerName) {
try {
final FileImporter importer = controller.getFileImporter(importerName);
if (importer == null) {
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(getClass(), "DesktopImportControllerUI.error_no_matching_file_importer"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
return;
}
ImporterUI ui = controller.getUI(importer);
if (ui != null) {
ui.setup(importer);
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.file.ui.dialog.title", ui.getDisplayName());
JPanel panel = ui.getPanel();
final DialogDescriptor dd = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
}
Object result = DialogDisplayer.getDefault().notify(dd);
if (!result.equals(NotifyDescriptor.OK_OPTION)) {
ui.unsetup(false);
return;
}
ui.unsetup(true);
}
LongTask task = null;
if (importer instanceof LongTask) {
task = (LongTask) importer;
}
//Execute task
final String containerSource = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.streamSource", importerName);
String taskName = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.taskName", containerSource);
executor.execute(task, new Runnable() {
@Override
public void run() {
try {
Container container = controller.importFile(reader, importer);
if (container != null) {
container.setSource(containerSource);
finishImport(container);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}, taskName, errorHandler);
} catch (Exception ex) {
Logger.getLogger("").log(Level.WARNING, "", ex);
}
}
@Override
public void importDatabase(DatabaseImporter importer) {
importDatabase(null, importer);
}
@Override
public void importDatabase(Database database, final DatabaseImporter importer) {
try {
if (importer == null) {
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.error_no_matching_db_importer"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
return;
}
ImporterUI ui = controller.getUI(importer);
if (ui != null) {
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.database.ui.dialog.title");
JPanel panel = ui.getPanel();
ui.setup(importer);
final DialogDescriptor dd = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
}
Object result = DialogDisplayer.getDefault().notify(dd);
if (result.equals(NotifyDescriptor.CANCEL_OPTION) || result.equals(NotifyDescriptor.CLOSED_OPTION)) {
ui.unsetup(false);
return;
}
ui.unsetup(true);
if (database == null) {
database = importer.getDatabase();
}
}
LongTask task = null;
if (importer instanceof LongTask) {
task = (LongTask) importer;
}
//Execute task
final String containerSource = database != null ? database.getName() : (ui != null ? ui.getDisplayName() : importer.getClass().getSimpleName());
final Database db = database;
String taskName = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.taskName", containerSource);
executor.execute(task, new Runnable() {
@Override
public void run() {
try {
Container container = controller.importDatabase(db, importer);
if (container != null) {
container.setSource(containerSource);
finishImport(container);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}, taskName, errorHandler);
} catch (Exception ex) {
Logger.getLogger("").log(Level.WARNING, "", ex);
}
}
@Override
public void importSpigot(final SpigotImporter importer) {
try {
if (importer == null) {
NotifyDescriptor.Message msg = new NotifyDescriptor.Message(NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.error_no_matching_db_importer"), NotifyDescriptor.WARNING_MESSAGE);
DialogDisplayer.getDefault().notify(msg);
return;
}
String containerSource = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.spigotSource", "");
ImporterUI ui = controller.getUI(importer);
if (ui != null) {
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.spigot.ui.dialog.title", ui.getDisplayName());
JPanel panel = ui.getPanel();
ui.setup(importer);
final DialogDescriptor dd = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
}
Object result = DialogDisplayer.getDefault().notify(dd);
if (result.equals(NotifyDescriptor.CANCEL_OPTION) || result.equals(NotifyDescriptor.CLOSED_OPTION)) {
ui.unsetup(false);
return;
}
ui.unsetup(true);
containerSource = ui.getDisplayName();
}
ImporterWizardUI wizardUI = controller.getWizardUI(importer);
if (wizardUI != null) {
containerSource = wizardUI.getCategory() + ":" + wizardUI.getDisplayName();
}
LongTask task = null;
if (importer instanceof LongTask) {
task = (LongTask) importer;
}
//Execute task
final String source = containerSource;
String taskName = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.taskName", containerSource);
executor.execute(task, new Runnable() {
@Override
public void run() {
try {
Container container = controller.importSpigot(importer);
if (container != null) {
container.setSource(source);
finishImport(container);
}
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}, taskName, errorHandler);
} catch (Exception ex) {
Logger.getLogger("").log(Level.WARNING, "", ex);
}
}
private void finishImport(Container container) {
if (container.verify()) {
Report report = container.getReport();
//Report panel
ReportPanel reportPanel = new ReportPanel();
reportPanel.setData(report, container);
DialogDescriptor dd = new DialogDescriptor(reportPanel, NbBundle.getMessage(DesktopImportControllerUI.class, "ReportPanel.title"));
if (!DialogDisplayer.getDefault().notify(dd).equals(NotifyDescriptor.OK_OPTION)) {
reportPanel.destroy();
return;
}
reportPanel.destroy();
final Processor processor = reportPanel.getProcessor();
//Project
Workspace workspace = null;
ProjectController pc = Lookup.getDefault().lookup(ProjectController.class);
ProjectControllerUI pcui = Lookup.getDefault().lookup(ProjectControllerUI.class);
if (pc.getCurrentProject() == null) {
pcui.newProject();
workspace = pc.getCurrentWorkspace();
}
//Process
final ProcessorUI pui = getProcessorUI(processor);
final ValidResult validResult = new ValidResult();
if (pui != null) {
if (pui != null) {
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
String title = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.processor.ui.dialog.title");
JPanel panel = pui.getPanel();
pui.setup(processor);
final DialogDescriptor dd2 = new DialogDescriptor(panel, title);
if (panel instanceof ValidationPanel) {
ValidationPanel vp = (ValidationPanel) panel;
vp.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
dd2.setValid(!((ValidationPanel) e.getSource()).isProblem());
}
});
dd2.setValid(!vp.isProblem());
}
Object result = DialogDisplayer.getDefault().notify(dd2);
if (result.equals(NotifyDescriptor.CANCEL_OPTION) || result.equals(NotifyDescriptor.CLOSED_OPTION)) {
validResult.setResult(false);
} else {
pui.unsetup(); //true
validResult.setResult(true);
}
}
});
} catch (InterruptedException ex) {
Exceptions.printStackTrace(ex);
} catch (InvocationTargetException ex) {
Exceptions.printStackTrace(ex);
}
}
}
if (validResult.isResult()) {
controller.process(container, processor, workspace);
//StatusLine notify
String source = container.getSource();
if (source.isEmpty()) {
source = NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.status.importSuccess.default");
}
StatusDisplayer.getDefault().setStatusText(NbBundle.getMessage(DesktopImportControllerUI.class, "DesktopImportControllerUI.status.importSuccess", source));
}
} else {
System.err.println("Bad container");
}
}
private static class ValidResult {
private boolean result = true;
public void setResult(boolean result) {
this.result = result;
}
public boolean isResult() {
return result;
}
}
private FileObject getArchivedFile(FileObject fileObject) {
// ZIP and JAR archives
if (FileUtil.isArchiveFile(fileObject)) {
try {
fileObject = FileUtil.getArchiveRoot(fileObject).getChildren()[0];
} catch (Exception e) {
throw new RuntimeException("The archive can't be opened, be sure it has no password and contains a single file, without folders");
}
} else { // GZ or BZIP2 archives
boolean isGz = fileObject.getExt().equalsIgnoreCase("gz");
boolean isBzip = fileObject.getExt().equalsIgnoreCase("bz2");
if (isGz || isBzip) {
try {
String[] splittedFileName = fileObject.getName().split("\\.");
if (splittedFileName.length < 2) {
return fileObject;
}
String fileExt1 = splittedFileName[splittedFileName.length - 1];
String fileExt2 = splittedFileName[splittedFileName.length - 2];
File tempFile = null;
if (fileExt1.equalsIgnoreCase("tar")) {
String fname = fileObject.getName().replaceAll("\\.tar$", "");
fname = fname.replace(fileExt2, "");
tempFile = File.createTempFile(fname, "." + fileExt2);
// Untar & unzip
if (isGz) {
tempFile = getGzFile(fileObject, tempFile, true);
} else {
tempFile = getBzipFile(fileObject, tempFile, true);
}
} else {
String fname = fileObject.getName();
fname = fname.replace(fileExt1, "");
tempFile = File.createTempFile(fname, "." + fileExt1);
// Unzip
if (isGz) {
tempFile = getGzFile(fileObject, tempFile, false);
} else {
tempFile = getBzipFile(fileObject, tempFile, false);
}
}
tempFile.deleteOnExit();
tempFile = FileUtil.normalizeFile(tempFile);
fileObject = FileUtil.toFileObject(tempFile);
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
}
}
}
return fileObject;
}
@Override
public ImportController getImportController() {
return controller;
}
private ProcessorUI getProcessorUI(Processor processor) {
for (ProcessorUI pui : Lookup.getDefault().lookupAll(ProcessorUI.class)) {
if (pui.isUIFoProcessor(processor)) {
return pui;
}
}
return null;
}
/**
* Uncompress a Bzip2 file.
*/
private static File getBzipFile(FileObject in, File out, boolean isTar) throws IOException {
// Stream buffer
final int BUFF_SIZE = 8192;
final byte[] buffer = new byte[BUFF_SIZE];
BZip2CompressorInputStream inputStream = null;
FileOutputStream outStream = null;
try {
FileInputStream is = new FileInputStream(in.getPath());
inputStream = new BZip2CompressorInputStream(is);
outStream = new FileOutputStream(out.getAbsolutePath());
if (isTar) {
// Read Tar header
int remainingBytes = readTarHeader(inputStream);
// Read content
ByteBuffer bb = ByteBuffer.allocateDirect(4 * BUFF_SIZE);
byte[] tmpCache = new byte[BUFF_SIZE];
int nRead, nGet;
while ((nRead = inputStream.read(tmpCache)) != -1) {
if (nRead == 0) {
continue;
}
bb.put(tmpCache);
bb.position(0);
bb.limit(nRead);
while (bb.hasRemaining() && remainingBytes > 0) {
nGet = Math.min(bb.remaining(), BUFF_SIZE);
nGet = Math.min(nGet, remainingBytes);
bb.get(buffer, 0, nGet);
outStream.write(buffer, 0, nGet);
remainingBytes -= nGet;
}
bb.clear();
}
} else {
int len;
while ((len = inputStream.read(buffer)) > 0) {
outStream.write(buffer, 0, len);
}
}
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
} finally {
if (inputStream != null) {
inputStream.close();
}
if (outStream != null) {
outStream.close();
}
}
return out;
}
/**
* Uncompress a GZIP file.
*/
private static File getGzFile(FileObject in, File out, boolean isTar) throws IOException {
// Stream buffer
final int BUFF_SIZE = 8192;
final byte[] buffer = new byte[BUFF_SIZE];
GZIPInputStream inputStream = null;
FileOutputStream outStream = null;
try {
inputStream = new GZIPInputStream(new FileInputStream(in.getPath()));
outStream = new FileOutputStream(out);
if (isTar) {
// Read Tar header
int remainingBytes = readTarHeader(inputStream);
// Read content
ByteBuffer bb = ByteBuffer.allocateDirect(4 * BUFF_SIZE);
byte[] tmpCache = new byte[BUFF_SIZE];
int nRead, nGet;
while ((nRead = inputStream.read(tmpCache)) != -1) {
if (nRead == 0) {
continue;
}
bb.put(tmpCache);
bb.position(0);
bb.limit(nRead);
while (bb.hasRemaining() && remainingBytes > 0) {
nGet = Math.min(bb.remaining(), BUFF_SIZE);
nGet = Math.min(nGet, remainingBytes);
bb.get(buffer, 0, nGet);
outStream.write(buffer, 0, nGet);
remainingBytes -= nGet;
}
bb.clear();
}
} else {
int len;
while ((len = inputStream.read(buffer)) > 0) {
outStream.write(buffer, 0, len);
}
}
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
} finally {
if (inputStream != null) {
inputStream.close();
}
if (outStream != null) {
outStream.close();
}
}
return out;
}
private static int readTarHeader(InputStream inputStream) throws IOException {
// Tar bytes
final int FILE_SIZE_OFFSET = 124;
final int FILE_SIZE_LENGTH = 12;
final int HEADER_LENGTH = 512;
ignoreBytes(inputStream, FILE_SIZE_OFFSET);
String fileSizeLengthOctalString = readString(inputStream, FILE_SIZE_LENGTH).trim();
final int fileSize = Integer.parseInt(fileSizeLengthOctalString, 8);
ignoreBytes(inputStream, HEADER_LENGTH - (FILE_SIZE_OFFSET + FILE_SIZE_LENGTH));
return fileSize;
}
private static void ignoreBytes(InputStream inputStream, int numberOfBytes) throws IOException {
for (int counter = 0; counter < numberOfBytes; counter++) {
inputStream.read();
}
}
private static String readString(InputStream inputStream, int numberOfBytes) throws IOException {
return new String(readBytes(inputStream, numberOfBytes));
}
private static byte[] readBytes(InputStream inputStream, int numberOfBytes) throws IOException {
byte[] readBytes = new byte[numberOfBytes];
inputStream.read(readBytes);
return readBytes;
}
}