org.testifyproject.tukaani.xz.check.Check Maven / Gradle / Ivy
/*
* Check
*
* Author: Lasse Collin
*
* This file has been put into the public domain.
* You can do whatever you want with this file.
*/
package org.testifyproject.tukaani.xz.check;
import org.testifyproject.tukaani.xz.XZ;
import org.testifyproject.tukaani.xz.UnsupportedOptionsException;
public abstract class Check {
int size;
String name;
public abstract void update(byte[] buf, int off, int len);
public abstract byte[] finish();
public void update(byte[] buf) {
update(buf, 0, buf.length);
}
public int getSize() {
return size;
}
public String getName() {
return name;
}
public static Check getInstance(int checkType)
throws UnsupportedOptionsException {
switch (checkType) {
case XZ.CHECK_NONE:
return new None();
case XZ.CHECK_CRC32:
return new CRC32();
case XZ.CHECK_CRC64:
return new CRC64();
case XZ.CHECK_SHA256:
try {
return new SHA256();
} catch (java.security.NoSuchAlgorithmException e) {}
break;
}
throw new UnsupportedOptionsException(
"Unsupported Check ID " + checkType);
}
}