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ClickHouse Native Protocol JDBC implementation
/*
* 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.github.housepower.misc;
public interface BytesHelper {
default byte[] getBytes(int i) {
byte[] memory = new byte[Integer.BYTES];
setInt(memory, 0, i);
return memory;
}
default byte[] getBytesLE(int i) {
byte[] memory = new byte[Integer.BYTES];
setIntLE(memory, 0, i);
return memory;
}
default byte[] getBytes(long l) {
byte[] memory = new byte[Long.BYTES];
setLong(memory, 0, l);
return memory;
}
default byte[] getBytesLE(long l) {
byte[] memory = new byte[Long.BYTES];
setLongLE(memory, 0, l);
return memory;
}
default byte[] getBytes(long[] longArray) {
byte[] memory = new byte[Long.BYTES * longArray.length];
for (int index = 0; index < longArray.length; index++) {
long l = longArray[index];
setLong(memory, index * Long.BYTES, l);
}
return memory;
}
/**
* Below code borrowed from netty HeapByteBufUtil
*/
default byte getByte(byte[] memory, int index) {
return memory[index];
}
default short getShort(byte[] memory, int index) {
return (short) (memory[index] << 8 | memory[index + 1] & 0xFF);
}
default short getShortLE(byte[] memory, int index) {
return (short) (memory[index] & 0xff | memory[index + 1] << 8);
}
default int getUnsignedMedium(byte[] memory, int index) {
// @formatter:off
return (memory[index] & 0xff) << 16 |
(memory[index + 1] & 0xff) << 8 |
memory[index + 2] & 0xff;
// @formatter:on
}
default int getUnsignedMediumLE(byte[] memory, int index) {
// @formatter:off
return memory[index] & 0xff |
(memory[index + 1] & 0xff) << 8 |
(memory[index + 2] & 0xff) << 16;
// @formatter:on
}
default int getInt(byte[] memory, int index) {
// @formatter:off
return (memory[index] & 0xff) << 24 |
(memory[index + 1] & 0xff) << 16 |
(memory[index + 2] & 0xff) << 8 |
memory[index + 3] & 0xff;
// @formatter:on
}
default int getIntLE(byte[] memory, int index) {
// @formatter:off
return memory[index] & 0xff |
(memory[index + 1] & 0xff) << 8 |
(memory[index + 2] & 0xff) << 16 |
(memory[index + 3] & 0xff) << 24;
// @formatter:on
}
default long getLong(byte[] memory, int index) {
// @formatter:off
return ((long) memory[index] & 0xff) << 56 |
((long) memory[index + 1] & 0xff) << 48 |
((long) memory[index + 2] & 0xff) << 40 |
((long) memory[index + 3] & 0xff) << 32 |
((long) memory[index + 4] & 0xff) << 24 |
((long) memory[index + 5] & 0xff) << 16 |
((long) memory[index + 6] & 0xff) << 8 |
(long) memory[index + 7] & 0xff;
// @formatter:on
}
default long getLongLE(byte[] memory, int index) {
// @formatter:off
return (long) memory[index] & 0xff |
((long) memory[index + 1] & 0xff) << 8 |
((long) memory[index + 2] & 0xff) << 16 |
((long) memory[index + 3] & 0xff) << 24 |
((long) memory[index + 4] & 0xff) << 32 |
((long) memory[index + 5] & 0xff) << 40 |
((long) memory[index + 6] & 0xff) << 48 |
((long) memory[index + 7] & 0xff) << 56;
// @formatter:on
}
default void setByte(byte[] memory, int index, int value) {
memory[index] = (byte) value;
}
default void setShort(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) (value >>> 8);
memory[index + 1] = (byte) value;
// @formatter:on
}
default void setShortLE(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) value;
memory[index + 1] = (byte) (value >>> 8);
// @formatter:on
}
default void setMedium(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) (value >>> 16);
memory[index + 1] = (byte) (value >>> 8);
memory[index + 2] = (byte) value;
// @formatter:on
}
default void setMediumLE(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) value;
memory[index + 1] = (byte) (value >>> 8);
memory[index + 2] = (byte) (value >>> 16);
// @formatter:on
}
default void setInt(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) (value >>> 24);
memory[index + 1] = (byte) (value >>> 16);
memory[index + 2] = (byte) (value >>> 8);
memory[index + 3] = (byte) value;
// @formatter:on
}
default void setIntLE(byte[] memory, int index, int value) {
// @formatter:off
memory[index] = (byte) value;
memory[index + 1] = (byte) (value >>> 8);
memory[index + 2] = (byte) (value >>> 16);
memory[index + 3] = (byte) (value >>> 24);
// @formatter:on
}
default void setLong(byte[] memory, int index, long value) {
// @formatter:off
memory[index] = (byte) (value >>> 56);
memory[index + 1] = (byte) (value >>> 48);
memory[index + 2] = (byte) (value >>> 40);
memory[index + 3] = (byte) (value >>> 32);
memory[index + 4] = (byte) (value >>> 24);
memory[index + 5] = (byte) (value >>> 16);
memory[index + 6] = (byte) (value >>> 8);
memory[index + 7] = (byte) value;
// @formatter:on
}
default void setLongLE(byte[] memory, int index, long value) {
// @formatter:off
memory[index] = (byte) value;
memory[index + 1] = (byte) (value >>> 8);
memory[index + 2] = (byte) (value >>> 16);
memory[index + 3] = (byte) (value >>> 24);
memory[index + 4] = (byte) (value >>> 32);
memory[index + 5] = (byte) (value >>> 40);
memory[index + 6] = (byte) (value >>> 48);
memory[index + 7] = (byte) (value >>> 56);
// @formatter:on
}
}