String
crc(String tempStr) Gnerate CRC String for tempStr
java.util.zip.Adler32 inChecker = new java.util.zip.Adler32();
java.util.zip.CheckedInputStream in = null;
in = new java.util.zip.CheckedInputStream(new java.io.ByteArrayInputStream(tempStr.getBytes()), inChecker);
@SuppressWarnings("unused")
int c;
while ((c = in.read()) != -1)
c = 0;
String myCheckSum = "" + inChecker.getValue();
...
long
crc32(File f) crc
CheckedInputStream cis = new CheckedInputStream(new BufferedInputStream(new FileInputStream(f)),
new CRC32());
try {
while (cis.read() != -1) {
return cis.getChecksum().getValue();
} finally {
cis.close();
...
long
crc32(final InputStream input) crc
byte[] buffer = new byte[4096];
CRC32 crc = new CRC32();
crc.reset();
int n = 0;
while (EOF != (n = input.read(buffer))) {
crc.update(buffer, 0, n);
return crc.getValue();
...
long
crc32(String data) Generates a CRC 32 Value of String passed
if (data == null) {
return -1;
try {
byte bytes[] = data.getBytes("UTF-8");
Checksum checksum = new CRC32();
checksum.update(bytes, 0, bytes.length);
return checksum.getValue();
...
long
crcFromStream(InputStream stream) crc From Stream
CRC32 crc = new CRC32();
byte[] buffer = new byte[1024];
int length;
while ((length = stream.read(buffer)) != -1)
crc.update(buffer, 0, length);
return crc.getValue();