| /* |
| * 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 "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.apache.beam.sdk.extensions.sql.impl.udf; |
| |
| import com.google.auto.service.AutoService; |
| import org.apache.beam.sdk.schemas.Schema; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.linq4j.function.Strict; |
| |
| /** Hash Functions. */ |
| @AutoService(BeamBuiltinFunctionProvider.class) |
| public class BuiltinHashFunctions extends BeamBuiltinFunctionProvider { |
| |
| /** |
| * MD5(X) |
| * |
| * <p>Calculates the MD5 digest and returns the value as a 16 element {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "MD5", |
| parameterArray = {Schema.TypeName.STRING}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] md5String(String str) { |
| return org.apache.commons.codec.digest.DigestUtils.md5(str); |
| } |
| |
| /** |
| * MD5(X) |
| * |
| * <p>Calculates the MD5 digest and returns the value as a 16 element {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "MD5", |
| parameterArray = {Schema.TypeName.BYTES}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] md5Bytes(byte[] bytes) { |
| return org.apache.commons.codec.digest.DigestUtils.md5(bytes); |
| } |
| |
| /** |
| * SHA1(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA1", |
| parameterArray = {Schema.TypeName.STRING}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha1String(String str) { |
| return org.apache.commons.codec.digest.DigestUtils.sha1(str); |
| } |
| |
| /** |
| * SHA1(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA1", |
| parameterArray = {Schema.TypeName.BYTES}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha1Bytes(byte[] bytes) { |
| return org.apache.commons.codec.digest.DigestUtils.sha1(bytes); |
| } |
| |
| /** |
| * SHA256(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA256", |
| parameterArray = {Schema.TypeName.STRING}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha256String(String str) { |
| return org.apache.commons.codec.digest.DigestUtils.sha256(str); |
| } |
| |
| /** |
| * SHA256(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA256", |
| parameterArray = {Schema.TypeName.BYTES}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha256Bytes(byte[] bytes) { |
| return org.apache.commons.codec.digest.DigestUtils.sha256(bytes); |
| } |
| |
| /** |
| * SHA512(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA512", |
| parameterArray = {Schema.TypeName.STRING}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha512String(String str) { |
| return org.apache.commons.codec.digest.DigestUtils.sha512(str); |
| } |
| |
| /** |
| * SHA512(X) |
| * |
| * <p>Calculates the SHA-1 digest and returns the value as a {@code byte[]}. |
| */ |
| @UDF( |
| funcName = "SHA512", |
| parameterArray = {Schema.TypeName.BYTES}, |
| returnType = Schema.TypeName.BYTES) |
| @Strict |
| public byte[] sha512Bytes(byte[] bytes) { |
| return org.apache.commons.codec.digest.DigestUtils.sha512(bytes); |
| } |
| } |