Revision 11
Revision 11
| Util.java | ||
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* @author Andrej Cimpersek |
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*/ |
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public class Util {
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public static byte CalcXOR(byte[] data, int offset, int count) |
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{
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public static byte CalcXOR(byte[] data, int offset, int count) {
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byte x = data[offset]; |
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for (int i = 1; i < count; i++) x ^= data[offset + i]; |
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for (int i = 1; i < count; i++) {
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x ^= data[offset + i]; |
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} |
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return x; |
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} |
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private static byte CalcXOR(String data) |
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{
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byte x = (byte)(data.charAt(0)); |
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for (int i = 1; i < data.length(); i++) x ^= (byte)(data.charAt(i)); |
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private static byte CalcXOR(String data) {
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byte x = (byte) (data.charAt(0)); |
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for (int i = 1; i < data.length(); i++) {
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x ^= (byte) (data.charAt(i)); |
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} |
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return x; |
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} |
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|
| ... | ... | |
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} |
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// Create the byte array to hold the data |
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byte[] bytes = new byte[(int)length]; |
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byte[] bytes = new byte[(int) length];
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// Read in the bytes |
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int offset = 0; |
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int numRead = 0; |
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while (offset < bytes.length |
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&& (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
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&& (numRead = is.read(bytes, offset, bytes.length - offset)) >= 0) {
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offset += numRead; |
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} |
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// Ensure all the bytes have been read in |
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if (offset < bytes.length) {
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throw new IOException("Could not completely read file "+file.getName());
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throw new IOException("Could not completely read file " + file.getName());
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} |
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// Close the input stream and return bytes |
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