/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.spi.type;
import com.fasterxml.jackson.annotation.JsonValue;
import java.util.Arrays;
import static java.util.Objects.requireNonNull;
public final class SqlVarbinary
implements Comparable<SqlVarbinary>
{
private static final String BYTE_SEPARATOR = " ";
private static final String WORD_SEPARATOR = " ";
private final byte[] bytes;
public SqlVarbinary(byte[] bytes)
{
this.bytes = requireNonNull(bytes, "bytes is null");
}
@Override
public int compareTo(SqlVarbinary obj)
{
for (int i = 0; i < Math.min(bytes.length, obj.bytes.length); i++) {
if (bytes[i] < obj.bytes[i]) {
return -1;
}
else if (bytes[i] > obj.bytes[i]) {
return 1;
}
}
return bytes.length - obj.bytes.length;
}
@JsonValue
public byte[] getBytes()
{
return bytes;
}
@Override
public int hashCode()
{
return Arrays.hashCode(bytes);
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
SqlVarbinary other = (SqlVarbinary) obj;
return Arrays.equals(bytes, other.bytes);
}
@Override
public String toString()
{
StringBuilder builder = new StringBuilder();
for (int i = 0; i < bytes.length; ++i) {
if (i != 0) {
if (i % 32 == 0) {
builder.append("\n");
}
else if (i % 8 == 0) {
builder.append(WORD_SEPARATOR);
}
else {
builder.append(BYTE_SEPARATOR);
}
}
builder.append(String.format("%02x", bytes[i] & 0xff));
}
return builder.toString();
}
}