public void PutArchiveEntry(IArchiveEntry pEntry)
{
if (finished)
{
throw new IOException("Stream has already been finished");
}
ArArchiveEntry pArEntry = (ArArchiveEntry)pEntry;
if (prevEntry == null)
{
WriteArchiveHeader();
}
else
{
if (prevEntry.GetLength() != entryOffset)
{
throw new IOException("length does not match entry (" + prevEntry.GetLength() + " != " + entryOffset);
}
if (haveUnclosedEntry)
{
CloseArchiveEntry();
}
}
prevEntry = pArEntry;
WriteEntryHeader(pArEntry);
entryOffset = 0;
haveUnclosedEntry = true;
}
public override bool Equals(Object obj)
{
if (this == obj)
{
return(true);
}
if (obj == null || this.GetType() != obj.GetType())
{
return(false);
}
ArArchiveEntry other = (ArArchiveEntry)obj;
if (Name == null)
{
if (other.Name != null)
{
return(false);
}
}
else if (!Name.Equals(other.Name))
{
return(false);
}
return(true);
}
/**
* Calls finish if necessary, and then closes the OutputStream
*/
public override void Close()
{
if(!finished) {
Finish();
}
@out.Close();
prevEntry = null;
}
/*
* (non-Javadoc)
*
* @see java.io.InputStream#close()
*/
public override void Close()
{
if (!closed)
{
closed = true;
input.Close();
}
currentEntry = null;
}
/**
* Calls finish if necessary, and then closes the OutputStream
*/
public override void Close()
{
if (!finished)
{
Finish();
}
@out.Close();
prevEntry = null;
}
/**
* Returns the next AR entry in this stream.
*
* @return the next AR entry.
* @throws IOException
* if the entry could not be read
*/
public ArArchiveEntry GetNextArEntry()
{
if (currentEntry != null)
{
long entryEnd = entryOffset + currentEntry.GetLength();
//IOUtils.skip(this, entryEnd - offset);
Seek(entryEnd - offset, SeekOrigin.Current);
currentEntry = null;
}
if (offset == 0)
{
byte[] expected = Encoding.ASCII.GetBytes(ArArchiveEntry.HEADER);
byte[] realized = new byte[expected.Length];
//int read = IOUtils.readFully(this, realized);
int read = Read(realized, 0, expected.Length);
if (read != expected.Length)
{
throw new IOException("failed to read header. Occured at byte: " + GetBytesRead());
}
for (int i = 0; i < expected.Length; i++)
{
if (expected[i] != realized[i])
{
throw new IOException("invalid header " + System.Text.Encoding.ASCII.GetString(realized));
}
}
}
if (offset % 2 != 0 && Read() < 0)
{
// hit eof
return(null);
}
if (input.available() == 0)
{
return(null);
}
Read(NAME_BUF, 0, NAME_BUF.Length);
Read(LAST_MODIFIED_BUF, 0, LAST_MODIFIED_BUF.Length);
Read(ID_BUF, 0, ID_BUF.Length);
int userId = AsInt(ID_BUF, true);
Read(ID_BUF, 0, ID_BUF.Length);
Read(FILE_MODE_BUF, 0, FILE_MODE_BUF.Length);
Read(LENGTH_BUF, 0, LENGTH_BUF.Length);
{
byte[] expected = Encoding.ASCII.GetBytes(ArArchiveEntry.TRAILER);
byte[] realized = new byte[expected.Length];
int read = Read(realized, 0, realized.Length);
if (read != expected.Length)
{
throw new IOException("failed to read entry trailer. Occured at byte: " + GetBytesRead());
}
for (int i = 0; i < expected.Length; i++)
{
if (expected[i] != realized[i])
{
throw new IOException("invalid entry trailer. not read the content? Occured at byte: " + GetBytesRead());
}
}
}
entryOffset = offset;
// GNU ar uses a '/' to mark the end of the filename; this allows for the use of spaces without the use of an extended filename.
// entry name is stored as ASCII string
String temp = System.Text.Encoding.ASCII.GetString(NAME_BUF).Trim();
if (IsGNUStringTable(temp))
{
// GNU extended filenames entry
currentEntry = ReadGNUStringTable(LENGTH_BUF);
return(GetNextArEntry());
}
long len = AsLong(LENGTH_BUF);
if (temp.EndsWith("/"))
{
// GNU terminator
temp = temp.Substring(0, temp.Length - 1);
}
else if (IsGNULongName(temp))
{
int off = int.Parse(temp.Substring(1)); // get the offset
temp = GetExtendedName(off); // convert to the long name
}
else if (IsBSDLongName(temp))
{
temp = GetBSDLongName(temp);
// entry length contained the length of the file name in
// addition to the real length of the entry.
// assume file name was ASCII, there is no "standard" otherwise
int nameLen = temp.Length;
len -= nameLen;
entryOffset += nameLen;
}
currentEntry = new ArArchiveEntry(temp, len, userId,
AsInt(ID_BUF, true),
AsInt(FILE_MODE_BUF, 8),
AsLong(LAST_MODIFIED_BUF));
return(currentEntry);
}
/**
* Returns the next AR entry in this stream.
*
* @return the next AR entry.
* @throws IOException
* if the entry could not be read
*/
public ArArchiveEntry GetNextArEntry()
{
if (currentEntry != null)
{
long entryEnd = entryOffset + currentEntry.GetLength();
//IOUtils.skip(this, entryEnd - offset);
Seek(entryEnd - offset, SeekOrigin.Current);
currentEntry = null;
}
if (offset == 0)
{
byte[] expected = Encoding.ASCII.GetBytes(ArArchiveEntry.HEADER);
byte[] realized = new byte[expected.Length];
//int read = IOUtils.readFully(this, realized);
int read = Read(realized, 0, expected.Length);
if (read != expected.Length) {
throw new IOException("failed to read header. Occured at byte: " + GetBytesRead());
}
for (int i = 0; i < expected.Length; i++)
{
if (expected[i] != realized[i])
{
throw new IOException("invalid header " + System.Text.Encoding.ASCII.GetString(realized));
}
}
}
if (offset % 2 != 0 && Read() < 0)
{
// hit eof
return null;
}
if (input.available() == 0) {
return null;
}
Read(NAME_BUF, 0, NAME_BUF.Length);
Read(LAST_MODIFIED_BUF, 0, LAST_MODIFIED_BUF.Length);
Read(ID_BUF, 0, ID_BUF.Length);
int userId = AsInt(ID_BUF, true);
Read(ID_BUF, 0, ID_BUF.Length);
Read(FILE_MODE_BUF, 0, FILE_MODE_BUF.Length);
Read(LENGTH_BUF, 0, LENGTH_BUF.Length);
{
byte[] expected = Encoding.ASCII.GetBytes(ArArchiveEntry.TRAILER);
byte[] realized = new byte[expected.Length];
int read = Read(realized, 0, realized.Length);
if (read != expected.Length)
{
throw new IOException("failed to read entry trailer. Occured at byte: " + GetBytesRead());
}
for (int i = 0; i < expected.Length; i++)
{
if (expected[i] != realized[i])
{
throw new IOException("invalid entry trailer. not read the content? Occured at byte: " + GetBytesRead());
}
}
}
entryOffset = offset;
// GNU ar uses a '/' to mark the end of the filename; this allows for the use of spaces without the use of an extended filename.
// entry name is stored as ASCII string
String temp = System.Text.Encoding.ASCII.GetString(NAME_BUF).Trim();
if (IsGNUStringTable(temp)) {
// GNU extended filenames entry
currentEntry = ReadGNUStringTable(LENGTH_BUF);
return GetNextArEntry();
}
long len = AsLong(LENGTH_BUF);
if (temp.EndsWith("/"))
{
// GNU terminator
temp = temp.Substring(0, temp.Length - 1);
}
else if (IsGNULongName(temp))
{
int off = int.Parse(temp.Substring(1));// get the offset
temp = GetExtendedName(off); // convert to the long name
}
else if (IsBSDLongName(temp))
{
temp = GetBSDLongName(temp);
// entry length contained the length of the file name in
// addition to the real length of the entry.
// assume file name was ASCII, there is no "standard" otherwise
int nameLen = temp.Length;
len -= nameLen;
entryOffset += nameLen;
}
currentEntry = new ArArchiveEntry(temp, len, userId,
AsInt(ID_BUF, true),
AsInt(FILE_MODE_BUF, 8),
AsLong(LAST_MODIFIED_BUF));
return currentEntry;
}
/*
* (non-Javadoc)
*
* @see java.io.InputStream#close()
*/
public override void Close()
{
if (!closed) {
closed = true;
input.Close();
}
currentEntry = null;
}
private long WriteEntryHeader( ArArchiveEntry pEntry )
{
long offset = 0;
bool mustAppendName = false;
string n = pEntry.GetName();
if (LONGFILE_ERROR == longFileMode && n.Length > 16)
{
throw new IOException("filename too long, > 16 chars: "+n);
}
if (LONGFILE_BSD == longFileMode &&
(n.Length > 16 || n.IndexOf(" ") > -1))
{
mustAppendName = true;
offset += Write(ArArchiveInputStream.BSD_LONGNAME_PREFIX
+ string.ValueOf(n.Length));
} else {
offset += Write(n);
}
offset = Fill(offset, 16, ' ');
string m = "" + pEntry.GetLastModifiedDate();
if (m.Length > 12)
{
throw new IOException("modified too long");
}
offset += Write(m);
offset = Fill(offset, 28, ' ');
String u = "" + pEntry.GetUserId();
if (u.Length > 6)
{
throw new IOException("userid too long");
}
offset += Write(u);
offset = Fill(offset, 34, ' ');
String g = "" + pEntry.GetGroupId();
if (g.Length > 6)
{
throw new IOException("groupid too long");
}
offset += Write(g);
offset = Fill(offset, 40, ' ');
string fm = "" + int.ToString(pEntry.GetMode(), 8);
if (fm.Length > 8)
{
throw new IOException("filemode too long");
}
offset += Write(fm);
offset = Fill(offset, 48, ' ');
string s =
string.ValueOf(pEntry.GetLength()
+ (mustAppendName ? n.Length : 0));
if (s.Length > 10)
{
throw new IOException("size too long");
}
offset += Write(s);
offset = Fill(offset, 58, ' ');
offset += Write(ArArchiveEntry.TRAILER);
if (mustAppendName) {
offset += Write(n);
}
return offset;
}
public void PutArchiveEntry(IArchiveEntry pEntry )
{
if(finished) {
throw new IOException("Stream has already been finished");
}
ArArchiveEntry pArEntry = (ArArchiveEntry)pEntry;
if (prevEntry == null)
{
WriteArchiveHeader();
} else
{
if (prevEntry.GetLength() != entryOffset)
{
throw new IOException("length does not match entry (" + prevEntry.GetLength() + " != " + entryOffset);
}
if (haveUnclosedEntry)
{
CloseArchiveEntry();
}
}
prevEntry = pArEntry;
WriteEntryHeader(pArEntry);
entryOffset = 0;
haveUnclosedEntry = true;
}
private long WriteEntryHeader(ArArchiveEntry pEntry)
{
long offset = 0;
bool mustAppendName = false;
string n = pEntry.GetName();
if (LONGFILE_ERROR == longFileMode && n.Length > 16)
{
throw new IOException("filename too long, > 16 chars: " + n);
}
if (LONGFILE_BSD == longFileMode &&
(n.Length > 16 || n.IndexOf(" ") > -1))
{
mustAppendName = true;
offset += Write(ArArchiveInputStream.BSD_LONGNAME_PREFIX
+ string.ValueOf(n.Length));
}
else
{
offset += Write(n);
}
offset = Fill(offset, 16, ' ');
string m = "" + pEntry.GetLastModifiedDate();
if (m.Length > 12)
{
throw new IOException("modified too long");
}
offset += Write(m);
offset = Fill(offset, 28, ' ');
String u = "" + pEntry.GetUserId();
if (u.Length > 6)
{
throw new IOException("userid too long");
}
offset += Write(u);
offset = Fill(offset, 34, ' ');
String g = "" + pEntry.GetGroupId();
if (g.Length > 6)
{
throw new IOException("groupid too long");
}
offset += Write(g);
offset = Fill(offset, 40, ' ');
string fm = "" + int.ToString(pEntry.GetMode(), 8);
if (fm.Length > 8)
{
throw new IOException("filemode too long");
}
offset += Write(fm);
offset = Fill(offset, 48, ' ');
string s =
string.ValueOf(pEntry.GetLength()
+ (mustAppendName ? n.Length : 0));
if (s.Length > 10)
{
throw new IOException("size too long");
}
offset += Write(s);
offset = Fill(offset, 58, ' ');
offset += Write(ArArchiveEntry.TRAILER);
if (mustAppendName)
{
offset += Write(n);
}
return(offset);
}
