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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-compress.git
The following commit(s) were added to refs/heads/master by this push:
new c88009bad Whitespace
c88009bad is described below
commit c88009bad7393a55169ef22b41e211cbb5037fdc
Author: Gary Gregory <[email protected]>
AuthorDate: Wed Feb 28 13:03:10 2024 -0500
Whitespace
---
.../commons/compress/archivers/tar/TarUtils.java | 40 +---------------------
1 file changed, 1 insertion(+), 39 deletions(-)
diff --git
a/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
b/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
index 2502f0f0b..3030eac39 100644
--- a/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
+++ b/src/main/java/org/apache/commons/compress/archivers/tar/TarUtils.java
@@ -54,6 +54,7 @@ public class TarUtils {
* Encapsulates the algorithms used up to Commons Compress 1.3 as
ZipEncoding.
*/
static final ZipEncoding FALLBACK_ENCODING = new ZipEncoding() {
+
@Override
public boolean canEncode(final String name) {
return true;
@@ -63,14 +64,12 @@ public class TarUtils {
public String decode(final byte[] buffer) {
final int length = buffer.length;
final StringBuilder result = new StringBuilder(length);
-
for (final byte b : buffer) {
if (b == 0) { // Trailing null
break;
}
result.append((char) (b & 0xFF)); // Allow for sign-extension
}
-
return result.toString();
}
@@ -78,7 +77,6 @@ public class TarUtils {
public ByteBuffer encode(final String name) {
final int length = name.length();
final byte[] buf = new byte[length];
-
// copy until end of input or output is reached.
for (int i = 0; i < length; ++i) {
buf[i] = (byte) name.charAt(i);
@@ -95,11 +93,9 @@ public class TarUtils {
*/
public static long computeCheckSum(final byte[] buf) {
long sum = 0;
-
for (final byte element : buf) {
sum += BYTE_MASK & element;
}
-
return sum;
}
@@ -147,13 +143,10 @@ public class TarUtils {
* @throws IllegalArgumentException if the value (and trailer) will not
fit in the buffer
*/
public static int formatCheckSumOctalBytes(final long value, final byte[]
buf, final int offset, final int length) {
-
int idx = length - 2; // for NUL and space
formatUnsignedOctalString(value, buf, offset, idx);
-
buf[offset + idx++] = 0; // Trailing null
buf[offset + idx] = (byte) ' '; // Trailing space
-
return offset + length;
}
@@ -188,12 +181,9 @@ public class TarUtils {
* @throws IllegalArgumentException if the value (and trailer) will not
fit in the buffer
*/
public static int formatLongOctalBytes(final long value, final byte[] buf,
final int offset, final int length) {
-
final int idx = length - 1; // For space
-
formatUnsignedOctalString(value, buf, offset, idx);
buf[offset + idx] = (byte) ' '; // Trailing space
-
return offset + length;
}
@@ -211,21 +201,17 @@ public class TarUtils {
* @since 1.4
*/
public static int formatLongOctalOrBinaryBytes(final long value, final
byte[] buf, final int offset, final int length) {
-
// Check whether we are dealing with UID/GID or SIZE field
final long maxAsOctalChar = length == TarConstants.UIDLEN ?
TarConstants.MAXID : TarConstants.MAXSIZE;
-
final boolean negative = value < 0;
if (!negative && value <= maxAsOctalChar) { // OK to store as octal
chars
return formatLongOctalBytes(value, buf, offset, length);
}
-
if (length < 9) {
formatLongBinary(value, buf, offset, length, negative);
} else {
formatBigIntegerBinary(value, buf, offset, length, negative);
}
-
buf[offset] = (byte) (negative ? 0xff : 0x80);
return offset + length;
}
@@ -274,12 +260,10 @@ public class TarUtils {
}
final int limit = b.limit() - b.position();
System.arraycopy(b.array(), b.arrayOffset(), buf, offset, limit);
-
// Pad any remaining output bytes with NUL
for (int i = limit; i < length; ++i) {
buf[offset + i] = 0;
}
-
return offset + length;
}
@@ -296,13 +280,10 @@ public class TarUtils {
* @throws IllegalArgumentException if the value (and trailer) will not
fit in the buffer
*/
public static int formatOctalBytes(final long value, final byte[] buf,
final int offset, final int length) {
-
int idx = length - 2; // For space and trailing null
formatUnsignedOctalString(value, buf, offset, idx);
-
buf[offset + idx++] = (byte) ' '; // Trailing space
buf[offset + idx] = 0; // Trailing null
-
return offset + length;
}
@@ -395,7 +376,6 @@ public class TarUtils {
if (sparseHeaderStrings.length % 2 == 1) {
throw new IOException("Corrupted TAR archive. Bad format in
GNU.sparse.map PAX Header");
}
-
for (int i = 0; i < sparseHeaderStrings.length; i += 2) {
final long sparseOffset =
ParsingUtils.parseLongValue(sparseHeaderStrings[i]);
if (sparseOffset < 0) {
@@ -407,7 +387,6 @@ public class TarUtils {
}
sparseHeaders.add(new TarArchiveStructSparse(sparseOffset,
sparseNumbytes));
}
-
return Collections.unmodifiableList(sparseHeaders);
}
@@ -444,7 +423,6 @@ public class TarUtils {
* @throws IOException on error
*/
public static String parseName(final byte[] buffer, final int offset,
final int length, final ZipEncoding encoding) throws IOException {
-
int len = 0;
for (int i = offset; len < length && buffer[i] != 0; i++) {
len++;
@@ -482,15 +460,12 @@ public class TarUtils {
long result = 0;
int end = offset + length;
int start = offset;
-
if (length < 2) {
throw new IllegalArgumentException("Length " + length + " must be
at least 2");
}
-
if (buffer[start] == 0) {
return 0L;
}
-
// Skip leading spaces
while (start < end) {
if (buffer[start] != ' ') {
@@ -498,7 +473,6 @@ public class TarUtils {
}
start++;
}
-
// Trim all trailing NULs and spaces.
// The ustar and POSIX tar specs require a trailing NUL or
// space but some implementations use the extra digit for big
@@ -508,7 +482,6 @@ public class TarUtils {
end--;
trailer = buffer[end - 1];
}
-
for (; start < end; start++) {
final byte currentByte = buffer[start];
// CheckStyle:MagicNumber OFF
@@ -518,7 +491,6 @@ public class TarUtils {
result = (result << 3) + (currentByte - '0'); // convert from ASCII
// CheckStyle:MagicNumber ON
}
-
return result;
}
@@ -535,7 +507,6 @@ public class TarUtils {
* @since 1.4
*/
public static long parseOctalOrBinary(final byte[] buffer, final int
offset, final int length) {
-
if ((buffer[offset] & 0x80) == 0) {
return parseOctal(buffer, offset, length);
}
@@ -584,7 +555,6 @@ public class TarUtils {
// for 1.X PAX Headers
final List<TarArchiveStructSparse> sparseHeaders = new ArrayList<>();
long bytesRead = 0;
-
long[] readResult = readLineOfNumberForPax1X(inputStream);
long sparseHeadersCount = readResult[0];
if (sparseHeadersCount < 0) {
@@ -608,7 +578,6 @@ public class TarUtils {
bytesRead += readResult[1];
sparseHeaders.add(new TarArchiveStructSparse(sparseOffset,
sparseNumbytes));
}
-
// skip the rest of this record data
final long bytesToSkip = recordSize - bytesRead % recordSize;
org.apache.commons.io.IOUtils.skip(inputStream, bytesToSkip);
@@ -755,12 +724,10 @@ public class TarUtils {
}
break; // Processed single header
}
-
// COMPRESS-530 : throw if we encounter a non-number while
reading length
if (ch < '0' || ch > '9') {
throw new IOException("Failed to read Paxheader.
Encountered a non-number while reading length");
}
-
len *= 10;
len += ch - '0';
}
@@ -786,7 +753,6 @@ public class TarUtils {
public static TarArchiveStructSparse parseSparse(final byte[] buffer,
final int offset) {
final long sparseOffset = parseOctalOrBinary(buffer, offset,
TarConstants.SPARSE_OFFSET_LEN);
final long sparseNumbytes = parseOctalOrBinary(buffer, offset +
TarConstants.SPARSE_OFFSET_LEN, TarConstants.SPARSE_NUMBYTES_LEN);
-
return new TarArchiveStructSparse(sparseOffset, sparseNumbytes);
}
@@ -802,7 +768,6 @@ public class TarUtils {
int number;
long result = 0;
long bytesRead = 0;
-
while ((number = inputStream.read()) != '\n') {
bytesRead += 1;
if (number == -1) {
@@ -814,7 +779,6 @@ public class TarUtils {
result = result * 10 + (number - '0');
}
bytesRead += 1;
-
return new long[] { result, bytesRead };
}
@@ -827,7 +791,6 @@ public class TarUtils {
try {
final TarArchiveStructSparse sparseHeader = parseSparse(buffer,
offset + i * (TarConstants.SPARSE_OFFSET_LEN +
TarConstants.SPARSE_NUMBYTES_LEN));
-
if (sparseHeader.getOffset() < 0) {
throw new IOException("Corrupted TAR archive, sparse entry
with negative offset");
}
@@ -863,7 +826,6 @@ public class TarUtils {
final long storedSum = parseOctal(header, TarConstants.CHKSUM_OFFSET,
TarConstants.CHKSUMLEN);
long unsignedSum = 0;
long signedSum = 0;
-
for (int i = 0; i < header.length; i++) {
byte b = header[i];
if (TarConstants.CHKSUM_OFFSET <= i && i <
TarConstants.CHKSUM_OFFSET + TarConstants.CHKSUMLEN) {
