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/*
* Copyright 2004-2023 the original author or authors.
*
* 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
*
* https://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 org.grails.plugins.codecs
import java.nio.charset.StandardCharsets
import java.security.MessageDigest
abstract class DigestUtils {
// Digest byte[], any list/array or string into a byte[]
static digest(String algorithm, Object data) {
if (data == null) {
return null
}
MessageDigest md = MessageDigest.getInstance(algorithm)
def src
if (data instanceof Byte[] || data instanceof byte[]) {
src = data
}
else if (data instanceof List || data.getClass().isArray()) {
src = new byte[data.size()]
data.eachWithIndex { v, i -> src[i] = v }
}
else {
src = data.toString().getBytes(StandardCharsets.UTF_8)
}
md.update(src) // This probably needs to use the thread's Locale encoding
md.digest()
}
}
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