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Reformat whole codebase using Android Studio

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This commit is contained in:
Manuel Fuhr 2022-07-11 06:30:17 +02:00
parent d5322667d5
commit c15913c1ab
161 changed files with 15124 additions and 18537 deletions
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47
brouter-util/src/main/java/btools/util/ByteArrayUnifier.java
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@ -1,60 +1,53 @@
package btools.util;
public final class ByteArrayUnifier implements IByteArrayUnifier
{
public final class ByteArrayUnifier implements IByteArrayUnifier {
private byte[][] byteArrayCache;
private int[] crcCrosscheck;
private int size;
public ByteArrayUnifier( int size, boolean validateImmutability )
{
public ByteArrayUnifier(int size, boolean validateImmutability) {
this.size = size;
byteArrayCache = new byte[size][];
if ( validateImmutability ) crcCrosscheck = new int[size];
if (validateImmutability) crcCrosscheck = new int[size];
}
/**
* Unify a byte array in order to reuse instances when possible.
* The byte arrays are assumed to be treated as immutable,
* allowing the reuse
* @param ab the byte array to unify
*
* @param ab the byte array to unify
* @return the cached instance or the input instanced if not cached
*/
public byte[] unify( byte[] ab )
{
return unify( ab, 0, ab.length );
public byte[] unify(byte[] ab) {
return unify(ab, 0, ab.length);
}
public byte[] unify( byte[] ab, int offset, int len )
{
int crc = Crc32.crc( ab, offset, len );
int idx = ( crc & 0xfffffff ) % size;
public byte[] unify(byte[] ab, int offset, int len) {
int crc = Crc32.crc(ab, offset, len);
int idx = (crc & 0xfffffff) % size;
byte[] abc = byteArrayCache[idx];
if ( abc != null && abc.length == len )
{
if (abc != null && abc.length == len) {
int i = 0;
while (i < len)
{
if ( ab[offset + i] != abc[i] )
while (i < len) {
if (ab[offset + i] != abc[i])
break;
i++;
}
if ( i == len )
if (i == len)
return abc;
}
if ( crcCrosscheck != null )
{
if ( byteArrayCache[idx] != null )
{
if (crcCrosscheck != null) {
if (byteArrayCache[idx] != null) {
byte[] abold = byteArrayCache[idx];
int crcold = Crc32.crc( abold, 0, abold.length );
if ( crcold != crcCrosscheck[idx] )
throw new IllegalArgumentException( "ByteArrayUnifier: immutablity validation failed!" );
int crcold = Crc32.crc(abold, 0, abold.length);
if (crcold != crcCrosscheck[idx])
throw new IllegalArgumentException("ByteArrayUnifier: immutablity validation failed!");
}
crcCrosscheck[idx] = crc;
}
byte[] nab = new byte[len];
System.arraycopy( ab, offset, nab, 0, len );
System.arraycopy(ab, offset, nab, 0, len);
byteArrayCache[idx] = nab;
return nab;
}