/**
* Unzip all the projects contained by the zip.
*
* @param bundleName the bundle name
* @param zipLocation the zip location inside of the bundle
* @param monitor the progress monitor
* @throws IOException if there is an issue copying a file from the zip
* @throws CoreException if there is an issue creating one of the projects
*/
public static void unzipAllProjects(
String bundleName, String zipLocation, IProgressMonitor monitor)
throws IOException, CoreException {
final URL interpreterZipUrl =
FileLocator.find(Platform.getBundle(bundleName), new Path(zipLocation), null);
final ZipInputStream zipFileStream = new ZipInputStream(interpreterZipUrl.openStream());
ZipEntry zipEntry = zipFileStream.getNextEntry();
Set<IProject> projects = new HashSet<IProject>();
while (zipEntry != null) {
String projectName = zipEntry.getName().split("/")[0];
IProject project = createProject(projectName, monitor);
projects.add(project);
final File file =
new File(
project.getLocation().toString(),
zipEntry
.getName()
.replaceFirst(projectName + "/", "")); // $NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
if (!zipEntry.isDirectory()) {
/*
* Copy files (and make sure parent directory exist)
*/
final File parentFile = file.getParentFile();
if (null != parentFile && !parentFile.exists()) {
parentFile.mkdirs();
}
OutputStream os = null;
try {
os = new FileOutputStream(file);
final int bufferSize = 102400;
final byte[] buffer = new byte[bufferSize];
while (true) {
final int len = zipFileStream.read(buffer);
if (zipFileStream.available() == 0) {
break;
}
os.write(buffer, 0, len);
}
} finally {
if (null != os) {
os.close();
}
}
}
zipFileStream.closeEntry();
zipEntry = zipFileStream.getNextEntry();
}
ResourcesPlugin.getWorkspace().getRoot().refreshLocal(IResource.DEPTH_INFINITE, monitor);
}
/**
* Reads data for the <em>current</em> entry from the zip input stream.
*
* @param zis The Zip input stream
* @param entrySize The entry size. -1 if unknown.
* @return The new data for the <em>current</em> entry.
* @throws IOException If ZipInputStream.read() fails.
*/
private byte[] readZipData(ZipInputStream zis, int entrySize) throws IOException {
int block_size = 1024;
int data_size = entrySize < 1 ? block_size : entrySize;
int offset = 0;
byte[] data = new byte[data_size];
while (zis.available() != 0) {
int count = zis.read(data, offset, data_size - offset);
if (count < 0) { // read data is done
break;
}
offset += count;
if (entrySize >= 1 && offset >= entrySize) { // we know the size and we're done
break;
}
// if we don't know the entry size and we're not done reading,
// expand the data buffer some more.
if (offset >= data_size) {
byte[] temp = new byte[data_size + block_size];
System.arraycopy(data, 0, temp, 0, data_size);
data_size += block_size;
data = temp;
block_size *= 2;
}
}
if (offset < data_size) {
// buffer was allocated too large, trim it
byte[] temp = new byte[offset];
if (offset > 0) {
System.arraycopy(data, 0, temp, 0, offset);
}
data = temp;
}
return data;
}
/** {@inheritDoc} */
@Override
public final void prepareWrite(final int recordCount, final int inputSize, final int idealSize) {
this.inputCount = inputSize;
this.idealCount = idealSize;
ZipInputStream zis = null;
try {
this.fos = new FileOutputStream(this.file);
this.zos = new ZipOutputStream(this.fos);
final InputStream is =
ResourceInputStream.openResourceInputStream("org/encog/data/blank.xlsx");
zis = new ZipInputStream(is);
ZipEntry theEntry;
while (zis.available() > 0) {
theEntry = zis.getNextEntry();
if ((entry != null) && !"xl/worksheets/sheet1.xml".equals(entry.getName())) {
final ZipEntry entry2 = new ZipEntry(theEntry);
entry2.setCompressedSize(-1);
this.zos.putNextEntry(entry2);
final byte[] theBuffer = new byte[(int) entry.getSize()];
zis.read(theBuffer);
this.zos.write(theBuffer);
this.zos.closeEntry();
}
}
zis.close();
zis = null;
this.buffer = new ByteArrayOutputStream();
this.xmlOut = new WriteXML(this.buffer);
this.xmlOut.beginDocument();
this.xmlOut.addAttribute(
"xmlns", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
this.xmlOut.addAttribute(
"xmlns:r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");
this.xmlOut.beginTag("worksheet");
final StringBuilder d = new StringBuilder();
d.append(toColumn(this.inputCount + this.idealCount));
d.append("" + recordCount);
this.xmlOut.addAttribute("ref", "A1:" + d.toString());
this.xmlOut.beginTag("dimension");
this.xmlOut.endTag();
this.xmlOut.beginTag("sheetViews");
this.xmlOut.addAttribute("tabSelected", "1");
this.xmlOut.addAttribute("workbookViewId", "0");
this.xmlOut.beginTag("sheetView");
this.xmlOut.endTag();
this.xmlOut.endTag();
this.xmlOut.addAttribute("defaultRowHeight", "15");
this.xmlOut.beginTag("sheetFormatPtr");
this.xmlOut.endTag();
this.row = 1;
this.xmlOut.beginTag("sheetData");
} catch (final IOException ex) {
throw new BufferedDataError(ex);
} finally {
if (zis != null) {
try {
zis.close();
} catch (IOException e) {
EncogLogging.log(e);
}
}
}
}
@Override
public int available() throws IOException {
return zipInputStream.available();
}