private void setSizesAndOffsetFromZip64Extra(
final ZipEntry ze, final OffsetEntry offset, final int diskStart) throws IOException {
final Zip64ExtendedInformationExtraField z64 =
(Zip64ExtendedInformationExtraField)
ze.getExtraField(Zip64ExtendedInformationExtraField.HEADER_ID);
if (z64 != null) {
final boolean hasUncompressedSize = ze.getSize() == 4294967295L;
final boolean hasCompressedSize = ze.getCompressedSize() == 4294967295L;
final boolean hasRelativeHeaderOffset = offset.headerOffset == 4294967295L;
z64.reparseCentralDirectoryData(
hasUncompressedSize, hasCompressedSize, hasRelativeHeaderOffset, diskStart == 65535);
if (hasUncompressedSize) {
ze.setSize(z64.getSize().getLongValue());
} else if (hasCompressedSize) {
z64.setSize(new ZipEightByteInteger(ze.getSize()));
}
if (hasCompressedSize) {
ze.setCompressedSize(z64.getCompressedSize().getLongValue());
} else if (hasUncompressedSize) {
z64.setCompressedSize(new ZipEightByteInteger(ze.getCompressedSize()));
}
if (hasRelativeHeaderOffset) {
offset.headerOffset = z64.getRelativeHeaderOffset().getLongValue();
}
}
}
private void addDirectoryToZipEntryList(
File directory, String currentPath, ImmutableMap.Builder<File, ZipEntry> zipEntriesBuilder)
throws IOException {
Preconditions.checkNotNull(currentPath);
for (File inputFile : directory.listFiles()) {
String childPath = currentPath + (currentPath.isEmpty() ? "" : "/") + inputFile.getName();
if (inputFile.isDirectory()) {
addDirectoryToZipEntryList(inputFile, childPath, zipEntriesBuilder);
} else {
ZipEntry nextEntry = new ZipEntry(childPath);
long fileLength = inputFile.length();
if (fileLength > maxDeflatedBytes
|| EXTENSIONS_NOT_TO_DEFLATE.contains(Files.getFileExtension(inputFile.getName()))) {
nextEntry.setMethod(ZipEntry.STORED);
nextEntry.setCompressedSize(inputFile.length());
nextEntry.setSize(inputFile.length());
HashCode crc = ByteStreams.hash(Files.newInputStreamSupplier(inputFile), Hashing.crc32());
nextEntry.setCrc(crc.padToLong());
}
zipEntriesBuilder.put(inputFile, nextEntry);
}
}
}
private void readDataDescr() throws IOException {
if (readLeInt() != EXTSIG) throw new ZipException("Data descriptor signature not found");
entry.setCrc(readLeInt() & 0xffffffffL);
csize = readLeInt();
size = readLeInt();
entry.setSize(size & 0xffffffffL);
entry.setCompressedSize(csize & 0xffffffffL);
}
/**
* Open the next entry from the zip archive, and return its description. If the previous entry
* wasn't closed, this method will close it.
*/
public ZipEntry getNextEntry() throws IOException {
if (crc == null) throw new IOException("Stream closed.");
if (entry != null) closeEntry();
int header = readLeInt();
if (header == CENSIG) {
/* Central Header reached. */
close();
return null;
}
if (header != LOCSIG)
throw new ZipException("Wrong Local header signature: " + Integer.toHexString(header));
/* skip version */
readLeShort();
flags = readLeShort();
method = readLeShort();
int dostime = readLeInt();
int crc = readLeInt();
csize = readLeInt();
size = readLeInt();
int nameLen = readLeShort();
int extraLen = readLeShort();
if (method == ZipOutputStream.STORED && csize != size)
throw new ZipException("Stored, but compressed != uncompressed");
byte[] buffer = new byte[nameLen];
readFully(buffer);
String name;
try {
name = new String(buffer, "UTF-8");
} catch (UnsupportedEncodingException uee) {
throw new AssertionError(uee);
}
entry = createZipEntry(name);
entryAtEOF = false;
entry.setMethod(method);
if ((flags & 8) == 0) {
entry.setCrc(crc & 0xffffffffL);
entry.setSize(size & 0xffffffffL);
entry.setCompressedSize(csize & 0xffffffffL);
}
entry.setDOSTime(dostime);
if (extraLen > 0) {
byte[] extra = new byte[extraLen];
readFully(extra);
entry.setExtra(extra);
}
if (method == ZipOutputStream.DEFLATED && avail > 0) {
System.arraycopy(buf, len - avail, buf, 0, avail);
len = avail;
avail = 0;
inf.setInput(buf, 0, len);
}
return entry;
}
public AesZipEntry(ZipEntry zipEntry) {
super(zipEntry.getName());
super.setMethod(zipEntry.getMethod());
super.setSize(zipEntry.getSize());
super.setCompressedSize(zipEntry.getCompressedSize() + 28);
super.setTime(zipEntry.getTime());
flag |= 1; // bit0 - encrypted
// flag |= 8; // bit3 - use data descriptor
}
/**
* Warning this method is not thread safe!
*
* @param name file name including path in the zip
* @param data
* @throws IOException
*/
public void writeStoredEntry(String name, byte[] data) throws IOException {
ZipEntry ze = new ZipEntry(name);
ze.setMethod(ZipEntry.STORED);
ze.setCompressedSize(data.length);
ze.setSize(data.length);
crc.reset();
crc.update(data);
ze.setCrc(crc.getValue());
putNextEntry(ze);
write(data);
closeEntry();
}
private static void writeMimeType(ZipOutputStream zip) throws IOException {
byte[] content = EPUB_MIME_CONTENT.getBytes(UTF8_CHARSET);
ZipEntry entry = new ZipEntry(MIMETYPE);
entry.setMethod(ZipEntry.STORED);
entry.setSize(20);
entry.setCompressedSize(20);
entry.setCrc(0x2CAB616F); // pre-computed
zip.putNextEntry(entry);
zip.write(content);
zip.closeEntry();
LOGGER.debug("Successfully wrote mimetype");
}
/** {@inheritDoc} */
@Override
public final void close() {
if (this.readZipFile != null) {
try {
this.readZipFile.close();
this.readZipFile = null;
} catch (final IOException e) {
throw new BufferedDataError(e);
}
}
if (this.zos != null) {
try {
final ZipEntry theEntry = new ZipEntry("xl/worksheets/sheet1.xml");
this.xmlOut.endTag();
this.xmlOut.addAttribute("left", "0.7");
this.xmlOut.addAttribute("right", "0.7");
this.xmlOut.addAttribute("top", "0.75");
this.xmlOut.addAttribute("bottom", "0.75");
this.xmlOut.addAttribute("header", "0.3");
this.xmlOut.addAttribute("footer", "0.3");
this.xmlOut.beginTag("pageMargins");
this.xmlOut.endTag();
this.xmlOut.endTag();
this.xmlOut.endDocument();
final byte[] b = this.buffer.toByteArray();
theEntry.setSize(b.length);
theEntry.setCompressedSize(-1);
theEntry.setMethod(ZipEntry.DEFLATED);
this.zos.putNextEntry(theEntry);
this.zos.write(b);
this.zos.closeEntry();
this.zos.close();
this.zos = null;
} catch (final IOException e) {
throw new BufferedDataError(e);
}
}
if (this.fos != null) {
try {
this.fos.close();
this.fos = null;
} catch (final IOException e) {
throw new BufferedDataError(e);
}
}
}
public ArrayList<ZipEntry> getArchiveItems(String zipFileName) {
final int itemsPerEntry = 2;
String[] in;
synchronized (this) {
in = getArchiveItemsInternal(zipFileName);
}
ArrayList<ZipEntry> list = new ArrayList<ZipEntry>();
for (int i = 0; i <= in.length - itemsPerEntry; i += itemsPerEntry) {
ZipEntry e = new ZipEntry(in[i]);
e.setSize(Integer.valueOf(in[i + 1]));
e.setCompressedSize(Integer.valueOf(in[i + 1]));
list.add(e);
}
return list;
}
public File call() throws IOException {
System.err.println(Thread.currentThread() + ":instrumenting " + path);
String prefix = path.substring(0, path.length() - 4);
int slash = prefix.lastIndexOf("/");
if (slash != -1) prefix = prefix.substring(slash + 1);
prefix += "-";
File zipTmp =
File.createTempFile("instrumented-" + prefix, path.substring(path.length() - 4));
try {
zipTmp.deleteOnExit();
ZipInputStream zin = new ZipInputStream(new FileInputStream(file));
ZipOutputStream zout = new ZipOutputStream(new FileOutputStream(zipTmp));
ZipEntry entry;
while ((entry = zin.getNextEntry()) != null) {
InputStream in;
long size;
if (entry.getName().endsWith(".class")) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
copy(zin, baos);
byte[] bytes = instrumenter.instrumentClass(baos.toByteArray());
size = bytes.length;
in = new ByteArrayInputStream(bytes);
} else {
in = zin;
size = entry.getSize();
}
ZipEntry newEntry = new ZipEntry(entry);
newEntry.setSize(size);
newEntry.setCompressedSize(-1);
zout.putNextEntry(newEntry);
copy(in, zout);
if (entry.getName().endsWith(".class")) {
in.close();
}
}
zout.close();
return zipTmp;
} catch (IOException e) {
zipTmp.delete();
throw e;
}
}
/** {@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);
}
}
}
}
/**
* compress all files with subdirs and content in a zip file
*
* @throws CompressionException
*/
public void zip(boolean useSDcard) throws Exception {
// prepare blacklist for no compression files
HashSet<String> extension = new HashSet<String>();
for (String s : noCompressExt) {
extension.add(s);
}
fileList = FileUtils.getDirList(absolutePath);
try {
BufferedInputStream origin = null;
FileOutputStream dest = null;
if (useSDcard) {
dest = new FileOutputStream(zipFile);
} else {
dest = activity.openFileOutput(zipFile, Context.MODE_WORLD_READABLE);
}
ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest));
out.setLevel(9);
byte data[] = new byte[BUFFER];
CRC32 crc = new CRC32();
for (String fileName : fileList) {
// inputstream needs whole absolute path
FileInputStream fi = new FileInputStream(absolutePath + fileName);
origin = new BufferedInputStream(fi, BUFFER);
// zip contains only path of target folder
File file = new File(absolutePath + fileName);
ZipEntry entry = new ZipEntry(fileName);
if (isUncompressible(fileName, extension)) {
entry.setMethod(ZipEntry.STORED);
entry.setCompressedSize(file.length());
entry.setSize(file.length());
// crc32
int bytesRead;
byte[] buffer = new byte[1024];
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file), 8192);
crc.reset();
while ((bytesRead = bis.read(buffer)) != -1) {
crc.update(buffer, 0, bytesRead);
}
entry.setCrc(crc.getValue());
out.putNextEntry(entry);
} else {
out.putNextEntry(entry);
}
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
out.close();
} catch (Exception e) {
Log.e(TAG, " Errror compressing a file " + e);
throw new Exception();
}
}
private void writeEntry(
JarOutputStream j,
String name,
long mtime,
long lsize,
boolean deflateHint,
ByteBuffer data0,
ByteBuffer data1)
throws IOException {
int size = (int) lsize;
if (size != lsize) throw new IOException("file too large: " + lsize);
CRC32 crc32 = _crc32;
if (_verbose > 1)
Utils.log.fine("Writing entry: " + name + " size=" + size + (deflateHint ? " deflated" : ""));
if (_buf.length < size) {
int newSize = size;
while (newSize < _buf.length) {
newSize <<= 1;
if (newSize <= 0) {
newSize = size;
break;
}
}
_buf = new byte[newSize];
}
assert (_buf.length >= size);
int fillp = 0;
if (data0 != null) {
int size0 = data0.capacity();
data0.get(_buf, fillp, size0);
fillp += size0;
}
if (data1 != null) {
int size1 = data1.capacity();
data1.get(_buf, fillp, size1);
fillp += size1;
}
while (fillp < size) {
// Fill in rest of data from the stream itself.
int nr = in.read(_buf, fillp, size - fillp);
if (nr <= 0) throw new IOException("EOF at end of archive");
fillp += nr;
}
ZipEntry z = new ZipEntry(name);
z.setTime((long) mtime * 1000);
if (size == 0) {
z.setMethod(ZipOutputStream.STORED);
z.setSize(0);
z.setCrc(0);
z.setCompressedSize(0);
} else if (!deflateHint) {
z.setMethod(ZipOutputStream.STORED);
z.setSize(size);
z.setCompressedSize(size);
crc32.reset();
crc32.update(_buf, 0, size);
z.setCrc(crc32.getValue());
} else {
z.setMethod(Deflater.DEFLATED);
z.setSize(size);
}
j.putNextEntry(z);
if (size > 0) j.write(_buf, 0, size);
j.closeEntry();
if (_verbose > 0) Utils.log.info("Writing " + Utils.zeString(z));
}
protected void processJarFile(final File file) throws Exception {
if (verbose) {
log("processing " + file.toURI());
}
final File tempFile =
File.createTempFile(file.getName(), null, new File(file.getAbsoluteFile().getParent()));
try {
final ZipInputStream zip = new ZipInputStream(new FileInputStream(file));
try {
final FileOutputStream fout = new FileOutputStream(tempFile);
try {
final ZipOutputStream out = new ZipOutputStream(fout);
ZipEntry entry;
while ((entry = zip.getNextEntry()) != null) {
byte bytes[] = getBytes(zip);
if (!entry.isDirectory()) {
final DataInputStream din = new DataInputStream(new ByteArrayInputStream(bytes));
if (din.readInt() == CLASS_MAGIC) {
bytes = process(bytes);
} else {
if (verbose) {
log("ignoring " + entry.toString());
}
}
}
final ZipEntry outEntry = new ZipEntry(entry.getName());
outEntry.setMethod(entry.getMethod());
outEntry.setComment(entry.getComment());
outEntry.setSize(bytes.length);
if (outEntry.getMethod() == ZipEntry.STORED) {
final CRC32 crc = new CRC32();
crc.update(bytes);
outEntry.setCrc(crc.getValue());
outEntry.setCompressedSize(bytes.length);
}
out.putNextEntry(outEntry);
out.write(bytes);
out.closeEntry();
zip.closeEntry();
}
out.close();
} finally {
fout.close();
}
} finally {
zip.close();
}
if (file.delete()) {
final File newFile = new File(tempFile.getAbsolutePath());
if (!newFile.renameTo(file)) {
throw new IOException("can not rename " + tempFile + " to " + file);
}
} else {
throw new IOException("can not delete " + file);
}
} finally {
tempFile.delete();
}
}
