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camel-jackson-avro data format native support
Fixes #2610
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51 changes: 0 additions & 51 deletions
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...src/main/java/org/apache/camel/quarkus/component/jackson/avro/it/JacksonAvroResource.java
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...src/main/java/org/apache/camel/quarkus/component/jackson/avro/it/JacksonAvroResource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* | ||
| * 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.camel.quarkus.component.jackson.avro.it; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.StringJoiner; | ||
|
|
||
| import javax.enterprise.context.ApplicationScoped; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Named; | ||
| import javax.ws.rs.Consumes; | ||
| import javax.ws.rs.POST; | ||
| import javax.ws.rs.Path; | ||
| import javax.ws.rs.PathParam; | ||
| import javax.ws.rs.core.Response; | ||
|
|
||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.module.SimpleModule; | ||
| import com.fasterxml.jackson.dataformat.avro.AvroMapper; | ||
| import com.fasterxml.jackson.dataformat.avro.AvroSchema; | ||
| import org.apache.avro.Schema; | ||
| import org.apache.camel.ProducerTemplate; | ||
| import org.apache.camel.component.jackson.SchemaResolver; | ||
| import org.apache.camel.component.jackson.avro.JacksonAvroDataFormat; | ||
|
|
||
| @Path("/jackson-avro") | ||
| @ApplicationScoped | ||
| public class JacksonAvroResource { | ||
|
|
||
| @Inject | ||
| ProducerTemplate producerTemplate; | ||
|
|
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| @Path("/marshal") | ||
| @POST | ||
| public Response avroJacksonMarshal(String message) { | ||
| Pojo pojo = new Pojo(message); | ||
| byte[] result = producerTemplate.requestBody("direct:marshal-pojo", pojo, byte[].class); | ||
| return Response.ok(result).build(); | ||
| } | ||
|
|
||
| @Path("/marshal/list") | ||
| @POST | ||
| public Response avroJacksonMarshalForList(String message) { | ||
| List<Pojo> pojos = new ArrayList<>(); | ||
| for (String text : message.split(" ")) { | ||
| pojos.add(new Pojo(text)); | ||
| } | ||
| byte[] result = producerTemplate.requestBody("direct:marshal-pojo-list", pojos, byte[].class); | ||
| return Response.ok(result).build(); | ||
| } | ||
|
|
||
| @Path("/unmarshal/{type}") | ||
| @POST | ||
| @Consumes("application/octet-stream") | ||
| @SuppressWarnings("unchecked") | ||
| public Response avroJacksonUnMarshal(@PathParam("type") String type, byte[] message) { | ||
| Response.ResponseBuilder builder = Response.ok(); | ||
| String directUri = "direct:unmarshal-" + type; | ||
|
|
||
| if (type.equals("pojo") || type.equals("defined-dataformat")) { | ||
| Pojo result = producerTemplate.requestBody(directUri, message, Pojo.class); | ||
| builder.entity(result.getText()); | ||
| } else if (type.equals("json-node")) { | ||
| JsonNode result = producerTemplate.requestBody(directUri, message, JsonNode.class); | ||
| builder.entity(result.at("/text").asText()); | ||
| } else if (type.equals("pojo-list")) { | ||
| List<Pojo> result = producerTemplate.requestBody(directUri, message, List.class); | ||
| StringJoiner joiner = new StringJoiner(" "); | ||
| result.stream() | ||
| .map(Pojo::getText) | ||
| .forEach(joiner::add); | ||
| builder.entity(joiner.toString()); | ||
| } else { | ||
| throw new IllegalArgumentException("Unknown unmarshal type: " + type); | ||
| } | ||
|
|
||
| return builder.build(); | ||
| } | ||
|
|
||
| @Named | ||
| public SchemaResolver avroSchemaResolver() throws IOException { | ||
| return createSchemaResolver("/pojo.avsc"); | ||
| } | ||
|
|
||
| @Named | ||
| public JacksonAvroDataFormat jacksonAvroDataFormat() { | ||
| JacksonAvroDataFormat dataFormat = new JacksonAvroDataFormat(); | ||
| dataFormat.setAutoDiscoverObjectMapper(true); | ||
| dataFormat.setAutoDiscoverSchemaResolver(true); | ||
| dataFormat.setUnmarshalType(Pojo.class); | ||
| return dataFormat; | ||
| } | ||
|
|
||
| @Named | ||
| public JacksonAvroDataFormat jacksonAvroDataFormatForList() throws IOException { | ||
| SchemaResolver schemaResolver = createSchemaResolver("/pojo-list.avsc"); | ||
| JacksonAvroDataFormat dataFormat = new JacksonAvroDataFormat(); | ||
| dataFormat.setUnmarshalType(Pojo.class); | ||
| dataFormat.setUseList(true); | ||
| dataFormat.setSchemaResolver(schemaResolver); | ||
| return dataFormat; | ||
| } | ||
|
|
||
| @Named | ||
| public AvroMapper avroMapper() { | ||
| AvroMapper avroMapper = new AvroMapper(); | ||
| SimpleModule module = new SimpleModule(); | ||
| module.addDeserializer(Pojo.class, new StringAppendingDeserializer()); | ||
| avroMapper.registerModule(module); | ||
| return avroMapper; | ||
| } | ||
|
|
||
| private SchemaResolver createSchemaResolver(String schemaPath) throws IOException { | ||
| InputStream resource = JacksonAvroResource.class.getResourceAsStream(schemaPath); | ||
| Schema raw = new Schema.Parser().setValidate(true).parse(resource); | ||
| AvroSchema schema = new AvroSchema(raw); | ||
| return ex -> schema; | ||
| } | ||
| } |
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