/**
* Closes the current {@code ZipEntry}. Any entry terminal data is written
* to the underlying stream.
*
* @throws IOException
* If an error occurs closing the entry.
*/
public void closeEntry()
{
// throws IOException {
if (cDir == null) {
throw new java.io.IOException("Stream is closed"); //$NON-NLS-1$
}
if (currentEntry == null) {
return;
}
if (currentEntry.getMethod() == DEFLATED) {
base.finish();
}
// Verify values for STORED types
if (currentEntry.getMethod() == STORED) {
if (crc.getValue() != currentEntry.crc) {
throw new ZipException("Crc mismatch"); //$NON-NLS-1$
}
if (currentEntry.size != crc.tbytes) {
throw new ZipException("Size mismatch"); //$NON-NLS-1$
}
}
curOffset = ZipFile.LOCHDR;
// Write the DataDescriptor
if (currentEntry.getMethod() != STORED) {
curOffset += ZipFile.EXTHDR;
writeLong(outJ, ZipFile.EXTSIG);
writeLong(outJ, currentEntry.crc = crc.getValue());
writeLong(outJ, currentEntry.compressedSize = def.getTotalOut());
writeLong(outJ, currentEntry.size = def.getTotalIn());
}
// Update the CentralDirectory
writeLong(cDir, ZipFile.CENSIG);
writeShort(cDir, ZIPLocalHeaderVersionNeeded); // Version created
writeShort(cDir, ZIPLocalHeaderVersionNeeded); // Version to extract
writeShort(cDir, currentEntry.getMethod() == STORED ? 0
: ZIPDataDescriptorFlag);
writeShort(cDir, currentEntry.getMethod());
writeShort(cDir, currentEntry.time);
writeShort(cDir, currentEntry.modDate);
writeLong(cDir, crc.getValue());
if (currentEntry.getMethod() == DEFLATED) {
curOffset += (int) writeLong(cDir, def.getTotalOut());
writeLong(cDir, def.getTotalIn());
} else {
curOffset += (int) writeLong(cDir, crc.tbytes);
writeLong(cDir, crc.tbytes);
}
curOffset += writeShort(cDir, nameLength);
if (currentEntry.extra != null) {
curOffset += (int) writeShort(cDir, currentEntry.extra.Length);
} else {
writeShort(cDir, 0);
}
String c;
if ((c = currentEntry.getComment()) != null) {
writeShort(cDir, c.length());
} else {
writeShort(cDir, 0);
}
writeShort(cDir, 0); // Disk Start
writeShort(cDir, 0); // Internal File Attributes
writeLong(cDir, 0); // External File Attributes
writeLong(cDir, offset);
cDir.write(nameBytes);
nameBytes = null;
if (currentEntry.extra != null) {
cDir.write(currentEntry.extra);
}
offset += curOffset;
if (c != null) {
cDir.write(c.getBytes());
}
currentEntry = null;
crc.reset();
def.reset();
done = false;
}
/**
* Writes entry information to the underlying stream. Data associated with
* the entry can then be written using {@code write()}. After data is
* written {@code closeEntry()} must be called to complete the writing of
* the entry to the underlying stream.
*
* @param ze
* the {@code ZipEntry} to store.
* @throws IOException
* If an error occurs storing the entry.
* @see #write
*/
public void putNextEntry(ZipEntry ze)
{
//throws java.io.IOException {
if (currentEntry != null) {
closeEntry();
}
if (ze.getMethod() == STORED
|| (compressMethod == STORED && ze.getMethod() == -1)) {
if (ze.crc == -1) {
/* [MSG "archive.20", "Crc mismatch"] */
throw new ZipException("Crc mismatch"); //$NON-NLS-1$
}
if (ze.size == -1 && ze.compressedSize == -1) {
/* [MSG "archive.21", "Size mismatch"] */
throw new ZipException("Size mismatch"); //$NON-NLS-1$
}
if (ze.size != ze.compressedSize && ze.compressedSize != -1
&& ze.size != -1) {
/* [MSG "archive.21", "Size mismatch"] */
throw new ZipException("Size mismatch"); //$NON-NLS-1$
}
}
/* [MSG "archive.1E", "Stream is closed"] */
if (cDir == null) {
throw new java.io.IOException("Stream is closed"); //$NON-NLS-1$
}
if (entries.contains(ze.name)) {
/* [MSG "archive.29", "Entry already exists: {0}"] */
throw new ZipException("Entry already exists: "+ ze.name); //$NON-NLS-1$
}
nameLength = utf8Count(ze.name);
if (nameLength > 0xffff) {
/* [MSG "archive.2A", "Name too long: {0}"] */
throw new java.lang.IllegalArgumentException("Name too long: "+ ze.name); //$NON-NLS-1$
}
def.setLevel(compressLevel);
currentEntry = ze;
entries.add(currentEntry.name);
if (currentEntry.getMethod() == -1) {
currentEntry.setMethod(compressMethod);
}
writeLong(outJ, ZipFile.LOCSIG); // Entry header
writeShort(outJ, ZIPLocalHeaderVersionNeeded); // Extraction version
writeShort(outJ, currentEntry.getMethod() == STORED ? 0
: ZIPDataDescriptorFlag);
writeShort(outJ, currentEntry.getMethod());
if (currentEntry.getTime() == -1) {
currentEntry.setTime(java.lang.SystemJ.currentTimeMillis());
}
writeShort(outJ, currentEntry.time);
writeShort(outJ, currentEntry.modDate);
if (currentEntry.getMethod() == STORED) {
if (currentEntry.size == -1) {
currentEntry.size = currentEntry.compressedSize;
} else if (currentEntry.compressedSize == -1) {
currentEntry.compressedSize = currentEntry.size;
}
writeLong(outJ, currentEntry.crc);
writeLong(outJ, currentEntry.size);
writeLong(outJ, currentEntry.size);
} else {
writeLong(outJ, 0);
writeLong(outJ, 0);
writeLong(outJ, 0);
}
writeShort(outJ, nameLength);
if (currentEntry.extra != null) {
writeShort(outJ, currentEntry.extra.Length);
} else {
writeShort(outJ, 0);
}
nameBytes = toUTF8Bytes(currentEntry.name, nameLength);
outJ.write(nameBytes);
if (currentEntry.extra != null) {
outJ.write(currentEntry.extra);
}
}
/**
* Constructs a new {@code ZipEntry} using the values obtained from {@code
* ze}.
*
* @param ze
* the {@code ZipEntry} from which to obtain values.
*/
public ZipEntry(ZipEntry ze)
{
name = ze.name;
comment = ze.comment;
time = ze.time;
size = ze.size;
compressedSize = ze.compressedSize;
crc = ze.crc;
compressionMethod = ze.compressionMethod;
modDate = ze.modDate;
extra = ze.extra;
nameLen = ze.nameLen;
mLocalHeaderRelOffset = ze.mLocalHeaderRelOffset;
}
/**
* Reads the next entry from this {@code ZipInputStream} or {@code null} if
* no more entries are present.
*
* @return the next {@code ZipEntry} contained in the input stream.
* @throws IOException
* if an {@code IOException} occurs.
* @see ZipEntry
*/
public ZipEntry getNextEntry()
{
//throws IOException {
closeEntry();
if (entriesEnd) {
return null;
}
int x = 0, count = 0;
while (count != 4) {
count += x = inJ.read(hdrBuf, count, 4 - count);
if (x == -1) {
return null;
}
}
long hdr = getLong(hdrBuf, 0);
if (hdr == ZipFile.CENSIG) {
entriesEnd = true;
return null;
}
if (hdr != ZipFile.LOCSIG) {
return null;
}
// Read the local header
count = 0;
while (count != (ZipFile.LOCHDR - ZipFile.LOCVER)) {
count += x = inJ.read(hdrBuf, count, (ZipFile.LOCHDR - ZipFile.LOCVER) - count);
if (x == -1) {
throw new java.io.EOFException();
}
}
int version = getShort(hdrBuf, 0) & 0xff;
if (version > ZIPLocalHeaderVersionNeeded) {
throw new ZipException("Cannot read version"); //$NON-NLS-1$
}
int flags = getShort(hdrBuf, ZipFile.LOCFLG - ZipFile.LOCVER);
hasDD = ((flags & ZIPDataDescriptorFlag) == ZIPDataDescriptorFlag);
int cetime = getShort(hdrBuf, ZipFile.LOCTIM - ZipFile.LOCVER);
int cemodDate = getShort(hdrBuf, ZipFile.LOCTIM - ZipFile.LOCVER + 2);
int cecompressionMethod = getShort(hdrBuf, ZipFile.LOCHOW - ZipFile.LOCVER);
long cecrc = 0, cecompressedSize = 0, cesize = -1;
if (!hasDD) {
cecrc = getLong(hdrBuf, ZipFile.LOCCRC - ZipFile.LOCVER);
cecompressedSize = getLong(hdrBuf, ZipFile.LOCSIZ - ZipFile.LOCVER);
cesize = getLong(hdrBuf, ZipFile.LOCLEN - ZipFile.LOCVER);
}
int flen = getShort(hdrBuf,ZipFile.LOCNAM - ZipFile.LOCVER);
if (flen == 0) {
throw new ZipException("Entry is not named"); //$NON-NLS-1$
}
int elen = getShort(hdrBuf, ZipFile.LOCEXT - ZipFile.LOCVER);
count = 0;
if (flen > nameBuf.Length) {
nameBuf = new byte[flen];
charBuf = new char[flen];
}
while (count != flen) {
count += x = inJ.read(nameBuf, count, flen - count);
if (x == -1) {
throw new java.io.EOFException();
}
}
currentEntry = createZipEntry(org.apache.harmony.luni.util.Util.convertUTF8WithBuf(nameBuf, charBuf,
0, flen));
currentEntry.time = cetime;
currentEntry.modDate = cemodDate;
currentEntry.setMethod(cecompressionMethod);
if (cesize != -1) {
currentEntry.setCrc(cecrc);
currentEntry.setSize(cesize);
currentEntry.setCompressedSize(cecompressedSize);
}
if (elen > 0) {
count = 0;
byte[] e = new byte[elen];
while (count != elen) {
count += x = inJ.read(e, count, elen - count);
if (x == -1) {
throw new java.io.EOFException();
}
}
currentEntry.setExtra(e);
}
return currentEntry;
}
/**
* Closes the current ZIP entry and positions to read the next entry.
*
* @throws IOException
* if an {@code IOException} occurs.
*/
public void closeEntry()
{
// throws IOException {
if (closed) {
throw new java.io.IOException("Stream is closed"); //$NON-NLS-1$
}
if (currentEntry == null) {
return;
}
if (currentEntry is java.util.jar.JarEntry) {
java.util.jar.Attributes temp = ((java.util.jar.JarEntry) currentEntry).getAttributes();
if (temp != null && temp.containsKey("hidden")) { //$NON-NLS-1$
return;
}
}
/*
* The following code is careful to leave the ZipInputStream in a
* consistent state, even when close() results in an exception. It does
* so by:
* - pushing bytes back into the source stream
* - reading a data descriptor footer from the source stream
* - resetting fields that manage the entry being closed
*/
// Ensure all entry bytes are read
java.lang.Exception failure = null;
try {
skip(java.lang.Long.MAX_VALUE);
} catch (java.lang.Exception e) {
failure = e;
}
int inB, outJ;
if (currentEntry.compressionMethod == DEFLATED) {
inB = inf.getTotalIn();
outJ = inf.getTotalOut();
} else {
inB = inRead;
outJ = inRead;
}
int diff = entryIn - inB;
// Pushback any required bytes
if (diff != 0) {
((java.io.PushbackInputStream) inJ).unread(buf, len - diff, diff);
}
try {
readAndVerifyDataDescriptor(inB, outJ);
} catch (java.lang.Exception e) {
if (failure == null) { // otherwise we're already going to throw
failure = e;
}
}
inf.reset();
lastRead = inRead = entryIn = len = 0;
crc.reset();
currentEntry = null;
if (failure != null) {
if (failure is java.io.IOException) {
throw (java.io.IOException) failure;
} else if (failure is java.lang.RuntimeException) {
throw (java.lang.RuntimeException) failure;
}
java.lang.AssertionError error = new java.lang.AssertionError();
error.initCause(failure);
throw error;
}
}
/**
* Reads the next entry from this {@code ZipInputStream} or {@code null} if
* no more entries are present.
*
* @return the next {@code ZipEntry} contained in the input stream.
* @throws IOException
* if an {@code IOException} occurs.
* @see ZipEntry
*/
public ZipEntry getNextEntry() //throws IOException {
{
closeEntry();
if (entriesEnd)
{
return(null);
}
int x = 0, count = 0;
while (count != 4)
{
count += x = inJ.read(hdrBuf, count, 4 - count);
if (x == -1)
{
return(null);
}
}
long hdr = getLong(hdrBuf, 0);
if (hdr == ZipFile.CENSIG)
{
entriesEnd = true;
return(null);
}
if (hdr != ZipFile.LOCSIG)
{
return(null);
}
// Read the local header
count = 0;
while (count != (ZipFile.LOCHDR - ZipFile.LOCVER))
{
count += x = inJ.read(hdrBuf, count, (ZipFile.LOCHDR - ZipFile.LOCVER) - count);
if (x == -1)
{
throw new java.io.EOFException();
}
}
int version = getShort(hdrBuf, 0) & 0xff;
if (version > ZIPLocalHeaderVersionNeeded)
{
throw new ZipException("Cannot read version"); //$NON-NLS-1$
}
int flags = getShort(hdrBuf, ZipFile.LOCFLG - ZipFile.LOCVER);
hasDD = ((flags & ZIPDataDescriptorFlag) == ZIPDataDescriptorFlag);
int cetime = getShort(hdrBuf, ZipFile.LOCTIM - ZipFile.LOCVER);
int cemodDate = getShort(hdrBuf, ZipFile.LOCTIM - ZipFile.LOCVER + 2);
int cecompressionMethod = getShort(hdrBuf, ZipFile.LOCHOW - ZipFile.LOCVER);
long cecrc = 0, cecompressedSize = 0, cesize = -1;
if (!hasDD)
{
cecrc = getLong(hdrBuf, ZipFile.LOCCRC - ZipFile.LOCVER);
cecompressedSize = getLong(hdrBuf, ZipFile.LOCSIZ - ZipFile.LOCVER);
cesize = getLong(hdrBuf, ZipFile.LOCLEN - ZipFile.LOCVER);
}
int flen = getShort(hdrBuf, ZipFile.LOCNAM - ZipFile.LOCVER);
if (flen == 0)
{
throw new ZipException("Entry is not named"); //$NON-NLS-1$
}
int elen = getShort(hdrBuf, ZipFile.LOCEXT - ZipFile.LOCVER);
count = 0;
if (flen > nameBuf.Length)
{
nameBuf = new byte[flen];
charBuf = new char[flen];
}
while (count != flen)
{
count += x = inJ.read(nameBuf, count, flen - count);
if (x == -1)
{
throw new java.io.EOFException();
}
}
currentEntry = createZipEntry(org.apache.harmony.luni.util.Util.convertUTF8WithBuf(nameBuf, charBuf,
0, flen));
currentEntry.time = cetime;
currentEntry.modDate = cemodDate;
currentEntry.setMethod(cecompressionMethod);
if (cesize != -1)
{
currentEntry.setCrc(cecrc);
currentEntry.setSize(cesize);
currentEntry.setCompressedSize(cecompressedSize);
}
if (elen > 0)
{
count = 0;
byte[] e = new byte[elen];
while (count != elen)
{
count += x = inJ.read(e, count, elen - count);
if (x == -1)
{
throw new java.io.EOFException();
}
}
currentEntry.setExtra(e);
}
return(currentEntry);
}
/**
* Closes the current ZIP entry and positions to read the next entry.
*
* @throws IOException
* if an {@code IOException} occurs.
*/
public void closeEntry() // throws IOException {
{
if (closed)
{
throw new java.io.IOException("Stream is closed"); //$NON-NLS-1$
}
if (currentEntry == null)
{
return;
}
if (currentEntry is java.util.jar.JarEntry)
{
java.util.jar.Attributes temp = ((java.util.jar.JarEntry)currentEntry).getAttributes();
if (temp != null && temp.containsKey("hidden")) //$NON-NLS-1$
{
return;
}
}
/*
* The following code is careful to leave the ZipInputStream in a
* consistent state, even when close() results in an exception. It does
* so by:
* - pushing bytes back into the source stream
* - reading a data descriptor footer from the source stream
* - resetting fields that manage the entry being closed
*/
// Ensure all entry bytes are read
java.lang.Exception failure = null;
try {
skip(java.lang.Long.MAX_VALUE);
} catch (java.lang.Exception e) {
failure = e;
}
int inB, outJ;
if (currentEntry.compressionMethod == DEFLATED)
{
inB = inf.getTotalIn();
outJ = inf.getTotalOut();
}
else
{
inB = inRead;
outJ = inRead;
}
int diff = entryIn - inB;
// Pushback any required bytes
if (diff != 0)
{
((java.io.PushbackInputStream)inJ).unread(buf, len - diff, diff);
}
try {
readAndVerifyDataDescriptor(inB, outJ);
} catch (java.lang.Exception e) {
if (failure == null) // otherwise we're already going to throw
{
failure = e;
}
}
inf.reset();
lastRead = inRead = entryIn = len = 0;
crc.reset();
currentEntry = null;
if (failure != null)
{
if (failure is java.io.IOException)
{
throw (java.io.IOException)failure;
}
else if (failure is java.lang.RuntimeException)
{
throw (java.lang.RuntimeException)failure;
}
java.lang.AssertionError error = new java.lang.AssertionError();
error.initCause(failure);
throw error;
}
}
