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99 changes: 99 additions & 0 deletions
99
src/main/java/io/github/eocqrs/kafka/json/KfJsonFlexible.java
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| /* | ||
| * Copyright (c) 2023 Aliaksei Bialiauski, EO-CQRS | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package io.github.eocqrs.kafka.json; | ||
|
|
||
| import com.jcabi.xml.XMLDocument; | ||
| import io.github.eocqrs.eokson.JsonOf; | ||
| import io.github.eocqrs.eokson.JsonXML; | ||
| import io.github.eocqrs.kafka.ConsumerSettings; | ||
| import io.github.eocqrs.kafka.ProducerSettings; | ||
| import io.github.eocqrs.kafka.xml.ConsumerXmlMapParams; | ||
| import io.github.eocqrs.kafka.xml.ProducerXmlMapParams; | ||
| import lombok.SneakyThrows; | ||
| import org.apache.kafka.clients.consumer.KafkaConsumer; | ||
| import org.apache.kafka.clients.producer.KafkaProducer; | ||
| import org.cactoos.io.ResourceOf; | ||
|
|
||
| /** | ||
| * Allow creating custom Consumer/Producer from JSON. | ||
| * | ||
| * @param <K> The key | ||
| * @param <X> The value | ||
| * @author Aliaksei Bialiauski (abialiauski.dev@gmail.com) | ||
| * @since 0.4.6 | ||
| */ | ||
| public final class KfJsonFlexible<K, X> | ||
| implements ConsumerSettings<K, X>, ProducerSettings<K, X> { | ||
|
|
||
| /** | ||
| * JSON name. | ||
| */ | ||
| private final String name; | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * | ||
| * @param nm JSON name | ||
| */ | ||
| public KfJsonFlexible(final String nm) { | ||
| this.name = nm; | ||
| } | ||
|
|
||
| @Override | ||
| @SneakyThrows | ||
| public KafkaConsumer<K, X> consumer() { | ||
| return new KafkaConsumer<>( | ||
| new ConsumerXmlMapParams( | ||
| new XMLDocument( | ||
| new JsonXML( | ||
| new JsonOf( | ||
| new ResourceOf( | ||
| this.name | ||
| ).stream() | ||
| ), | ||
| "consumer" | ||
| ).asString() | ||
| ) | ||
| ).value() | ||
| ); | ||
| } | ||
|
|
||
| @Override | ||
| @SneakyThrows | ||
| public KafkaProducer<K, X> producer() { | ||
| return new KafkaProducer<>( | ||
| new ProducerXmlMapParams( | ||
| new XMLDocument( | ||
| new JsonXML( | ||
| new JsonOf( | ||
| new ResourceOf( | ||
| this.name | ||
| ).stream() | ||
| ), | ||
| "producer" | ||
| ).asString() | ||
| ) | ||
| ).value() | ||
| ); | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
src/main/java/io/github/eocqrs/kafka/json/package-info.java
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| /* | ||
| * Copyright (c) 2023 Aliaksei Bialiauski, EO-CQRS | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| /** | ||
| * JSON. | ||
| * | ||
| * @author Aliaksei Bialiauski (abialiauski.dev@gmail.com) | ||
| * @since 0.4.6 | ||
| */ | ||
| package io.github.eocqrs.kafka.json; |
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69 changes: 69 additions & 0 deletions
69
src/test/java/io/github/eocqrs/kafka/json/KfJsonFlexibleTest.java
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| /* | ||
| * Copyright (c) 2023 Aliaksei Bialiauski, EO-CQRS | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package io.github.eocqrs.kafka.json; | ||
|
|
||
| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
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| /** | ||
| * Test case for {@link KfJsonFlexible}. | ||
| * | ||
| * @author Aliaksei Bialiauski (abialiauski.dev@gmail.com) | ||
| * @since 0.4.6 | ||
| */ | ||
| final class KfJsonFlexibleTest { | ||
|
|
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| @Test | ||
| void createsCustomConsumer() { | ||
| Assertions.assertDoesNotThrow( | ||
| () -> new KfJsonFlexible<String, String>("consumer.json") | ||
| .consumer() | ||
| ); | ||
| } | ||
|
|
||
| @Test | ||
| void createsCustomProducer() { | ||
| Assertions.assertDoesNotThrow( | ||
| () -> new KfJsonFlexible<String, String>("producer.json") | ||
| .producer() | ||
| ); | ||
| } | ||
|
|
||
| @Test | ||
| void throwsOnNonExistingProducerFile() { | ||
| Assertions.assertThrows( | ||
| Exception.class, | ||
| () -> new KfJsonFlexible<String, String>("abc.json") | ||
| .producer() | ||
| ); | ||
| } | ||
|
|
||
| @Test | ||
| void throwsOnNonExistingConsumerFile() { | ||
| Assertions.assertThrows( | ||
| Exception.class, | ||
| () -> new KfJsonFlexible<String, String>("cdf.json") | ||
| .consumer() | ||
| ); | ||
| } | ||
| } |
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| { | ||
| "bootstrapServers": "localhost:9092", | ||
| "groupId": "1", | ||
| "keyDeserializer": "org.apache.kafka.common.serialization.StringDeserializer", | ||
| "valueDeserializer": "org.apache.kafka.common.serialization.StringDeserializer" | ||
| } |
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| { | ||
| "bootstrapServers": "localhost:9092", | ||
| "keySerializer": "org.apache.kafka.common.serialization.StringSerializer", | ||
| "valueSerializer": "org.apache.kafka.common.serialization.StringSerializer" | ||
| } |