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feat: allow to configure value schema using Avro
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62 changes: 62 additions & 0 deletions
62
...file-pulse-api/src/main/java/io/streamthoughts/kafka/connect/filepulse/internal/Pair.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Copyright 2023 StreamThoughts. | ||
| * | ||
| * 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 io.streamthoughts.kafka.connect.filepulse.internal; | ||
| import java.util.Objects; | ||
|
|
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| public class Pair<K, V> { | ||
| private final K key; | ||
| private final V value; | ||
|
|
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| public Pair(K key, V value) { | ||
| this.key = key; | ||
| this.value = value; | ||
| } | ||
|
|
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| public K getKey() { | ||
| return key; | ||
| } | ||
|
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| public V getValue() { | ||
| return value; | ||
| } | ||
|
|
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| /** {@inheritDoc} **/ | ||
| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| Pair<?, ?> pair = (Pair<?, ?>) o; | ||
| return Objects.equals(key, pair.key) && Objects.equals(value, pair.value); | ||
| } | ||
|
|
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| /** {@inheritDoc} **/ | ||
| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(key, value); | ||
| } | ||
|
|
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| /** {@inheritDoc} **/ | ||
| @Override | ||
| public String toString() { | ||
| return "Pair{" | ||
| + "key=" + key | ||
| + ", value=" + value | ||
| + '}'; | ||
| } | ||
| } |
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78 changes: 78 additions & 0 deletions
78
...mat/src/main/java/io/streamthoughts/kafka/connect/filepulse/avro/AvroSchemaConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * Copyright 2023 StreamThoughts. | ||
| * | ||
| * 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 io.streamthoughts.kafka.connect.filepulse.avro; | ||
|
|
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| import io.streamthoughts.kafka.connect.filepulse.avro.internal.ConnectSchemaConverter; | ||
| import io.streamthoughts.kafka.connect.filepulse.avro.internal.ConnectSchemaConverters; | ||
| import io.streamthoughts.kafka.connect.filepulse.internal.StringUtils; | ||
| import org.apache.kafka.connect.data.Schema; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
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| /** | ||
| * Utilities for converting between Connect runtime data format and Avro. | ||
| */ | ||
| public final class AvroSchemaConverter { | ||
|
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| private final Map<org.apache.avro.Schema, Schema> toConnectSchemaCache; | ||
|
|
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| /** | ||
| * Creates a new {@link AvroSchemaConverter} instance. | ||
| */ | ||
| public AvroSchemaConverter() { | ||
| toConnectSchemaCache = new HashMap<>(); | ||
| } | ||
|
|
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| /** | ||
| * Convert the given {@link org.apache.avro.Schema} into connect one. | ||
| * | ||
| * @param schema the string avro schema to be converted. | ||
| * @return {@link Schema}. | ||
| */ | ||
| public Schema toConnectSchema(final String schema) { | ||
| if (StringUtils.isBlank(schema)) { | ||
| return null; | ||
| } | ||
| org.apache.avro.Schema.Parser parser = new org.apache.avro.Schema.Parser(); | ||
| return toConnectSchema(parser.parse(schema)); | ||
| } | ||
|
|
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| /** | ||
| * Convert the given {@link org.apache.avro.Schema} into connect one. | ||
| * | ||
| * @param schema the avro schema to be converted. | ||
| * @return {@link Schema}. | ||
| */ | ||
| public Schema toConnectSchema(final org.apache.avro.Schema schema) { | ||
| Schema cachedSchema = toConnectSchemaCache.get(schema); | ||
| if (cachedSchema != null) { | ||
| return cachedSchema; | ||
| } | ||
|
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| ConnectSchemaConverter converter = ConnectSchemaConverters.forType(schema.getType()); | ||
| org.apache.kafka.connect.data.Schema resultSchema = converter.toConnectSchema( | ||
| schema, | ||
| new ConnectSchemaConverter.Options().forceOptional(false), | ||
| new ConnectSchemaConverter.CyclicContext() | ||
| ); | ||
| toConnectSchemaCache.put(schema, resultSchema); | ||
| return resultSchema; | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
...ain/java/io/streamthoughts/kafka/connect/filepulse/avro/UnsupportedAvroTypeException.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Copyright 2023 StreamThoughts. | ||
| * | ||
| * 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 io.streamthoughts.kafka.connect.filepulse.avro; | ||
|
|
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| import io.streamthoughts.kafka.connect.filepulse.errors.ConnectFilePulseException; | ||
|
|
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| public class UnsupportedAvroTypeException extends ConnectFilePulseException { | ||
|
|
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| public UnsupportedAvroTypeException(final String message) { | ||
| super(message); | ||
| } | ||
|
|
||
| } |
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