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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.crypto.transformer.value;
/**
* Converts between double and byte[]
*
* @since 4.0
*/
public class DoubleConverter implements BytesConverter<Double> {
public static final BytesConverter<Double> INSTANCE = new DoubleConverter();
private static final int BYTES = 8;
static double getDouble(byte[] bytes) {
if (bytes.length > BYTES) {
throw new IllegalArgumentException("byte[] is too large for a single double value: " + bytes.length);
}
return Double.longBitsToDouble(LongConverter.getLong(bytes));
}
static byte[] getBytes(Double d) {
return LongConverter.getBytes(Double.doubleToLongBits(d));
}
@Override
public Double fromBytes(byte[] bytes) {
return getDouble(bytes);
}
@Override
public byte[] toBytes(Double value) {
return getBytes(value);
}
}