/**
* 解密
*
* @param hexCipher 十六进制字符串形式密文
* @param charset 明文字符编码
* @param hexKey 十六进制字符串形式密钥
* @return 明文
* @throws Exception
*/
public static String decrypt(String cipherHex, String charset, String hexKey) throws Exception {
if (cipherHex == null || charset == null || hexKey == null) {
return null;
}
return new String(
decrypt(ByteFormat.hexToBytes(cipherHex), ByteFormat.hexToBytes(hexKey)), charset);
}
/**
* 加密
*
* @param plain 明文
* @param charset 明文字符编码
* @param hexKey 十六进制字符串形式密钥
* @return 十六进制字符串形式密文
* @throws Exception
*/
public static String encrypt(String plain, String charset, String hexKey) throws Exception {
if (plain == null || charset == null || hexKey == null) {
return null;
}
return ByteFormat.toHex(encrypt(plain.getBytes(charset), ByteFormat.hexToBytes(hexKey)));
}
/**
* Returns the string, showing information for the given file.
*
* @param file the file
* @return the name of the given file
*/
protected String getFileLabel(File file) {
String fileName = file.getName();
long fileSize = file.length();
ByteFormat format = new ByteFormat();
String text = format.format(fileSize);
return fileName + " (" + text + ")";
}
public static void main(String args[]) {
String plainText =
"dffrrereeeeeeeeeeeeeeeeeeeeeeeerererefffrererefffddfdfdfdfdfdfdf343434343434343ffffrerererere;l;l;ll;;l;l;lffffffffff4343434343434343434343ffffffffffffffffffffffffabcdefgddddddddddddddddddddsdssddssdsdsssddsddddddddddddsdsjj111gfgfgfffffff;llklklklklkkhghghghghgkkkkkkkkkkkkkkkkkkhghjffffffffffffffgao";
byte key[] = "GdWb5dnxhUxFKcE4GqdhL23TndZFYXPy".getBytes();
try {
long t1 = System.currentTimeMillis();
String cipherText = XXTea.encrypt(plainText, "UTF-8", ByteFormat.toHex(key));
System.out.println(cipherText);
String pText = XXTea.decrypt(cipherText, "UTF-8", ByteFormat.toHex(key));
System.out.println(pText);
long t2 = System.currentTimeMillis();
System.out.println(t2 - t1);
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* Updates progress bar progress line every time a progress event has been received.
*
* @param event the <tt>FileTransferProgressEvent</tt> that notified us
*/
public void progressChanged(FileTransferProgressEvent event) {
progressBar.setValue((int) event.getProgress());
long transferredBytes = event.getFileTransfer().getTransferedBytes();
long progressTimestamp = event.getTimestamp();
ByteFormat format = new ByteFormat();
String bytesString = format.format(transferredBytes);
if ((progressTimestamp - lastSpeedTimestamp) >= SPEED_CALCULATE_DELAY) {
lastProgressSpeed = Math.round(calculateProgressSpeed(transferredBytes));
this.lastSpeedTimestamp = progressTimestamp;
this.lastTransferredBytes = transferredBytes;
}
if ((progressTimestamp - lastEstimatedTimeTimestamp) >= SPEED_CALCULATE_DELAY
&& lastProgressSpeed > 0) {
lastEstimatedTime =
Math.round(
calculateEstimatedTransferTime(
lastProgressSpeed, transferredFileSize - transferredBytes));
lastEstimatedTimeTimestamp = progressTimestamp;
}
progressBar.setString(getProgressLabel(bytesString));
if (lastProgressSpeed > 0) {
progressSpeedLabel.setText(
resources.getI18NString("service.gui.SPEED") + format.format(lastProgressSpeed) + "/sec");
progressSpeedLabel.setVisible(true);
}
if (lastEstimatedTime > 0) {
estimatedTimeLabel.setText(
resources.getI18NString("service.gui.ESTIMATED_TIME")
+ GuiUtils.formatSeconds(lastEstimatedTime * 1000));
estimatedTimeLabel.setVisible(true);
}
}
/**
* Returns the string, showing information for the given file.
*
* @param fileName the name of the file
* @param fileSize the size of the file
* @return the name of the given file
*/
protected String getFileLabel(String fileName, long fileSize) {
ByteFormat format = new ByteFormat();
String text = format.format(fileSize);
return fileName + " (" + text + ")";
}
