/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.core.types;
import java.util.Arrays;
import org.teiid.core.util.Assertion;
import org.teiid.core.util.PropertiesUtils;
public final class BinaryType implements Comparable<BinaryType> {
private byte[] bytes;
public BinaryType(byte[] bytes) {
Assertion.isNotNull(bytes);
//to be truly immutable we should clone here
this.bytes = bytes;
}
/**
*
* @return the actual bytes - no modifications should be performed
*/
public byte[] getBytesDirect() {
return this.bytes;
}
/**
*
* @return a copy of the bytes
*/
public byte[] getBytes() {
return Arrays.copyOf(bytes, bytes.length);
}
/**
* Get the byte value at a given index
* @param index
* @return
*/
public byte getByte(int index) {
return bytes[index];
}
public int getLength() {
return bytes.length;
}
@Override
public int compareTo(BinaryType o) {
int len1 = getLength();
int len2 = o.getLength();
int n = Math.min(len1, len2);
for (int i = 0; i < n; i++) {
//unsigned comparison
int b1 = bytes[i] & 0xff;
int b2 = o.bytes[i] & 0xff;
if (b1 != b2) {
return b1 - b2;
}
}
return len1 - len2;
}
@Override
public int hashCode() {
return Arrays.hashCode(bytes);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof BinaryType)) {
return false;
}
BinaryType other = (BinaryType)obj;
return Arrays.equals(this.bytes, other.bytes);
}
/**
* Returns the hex string representing the binary value.
*/
@Override
public String toString() {
return PropertiesUtils.toHex(bytes);
}
public BlobType toBlob() {
return new BlobType(BlobType.createBlob(bytes));
}
}