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* support for withJson-618 Signed-off-by: Jai2305 <[email protected]> * added code samples and documentation demonstrating the use of withJson Signed-off-by: Jai2305 <[email protected]> --------- Signed-off-by: Jai2305 <[email protected]>
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57 changes: 57 additions & 0 deletions
57
java-client/src/main/java/org/opensearch/client/json/PlainDeserializable.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.client.json; | ||
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import jakarta.json.stream.JsonParser; | ||
import java.io.InputStream; | ||
import java.io.Reader; | ||
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/** Base interface to set JSON properties **/ | ||
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public interface PlainDeserializable<B> { | ||
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B self(); | ||
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/** Updates object with newly provided JSON properties | ||
@param parser the JsonParser parser | ||
@param mapper the JsonpMapper mapper used to deserialize values | ||
@return this object | ||
**/ | ||
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default B withJson(JsonParser parser, JsonpMapper mapper) { | ||
JsonpDeserializer<?> deserializer = JsonpMapperBase.findDeserializer(this.getClass().getEnclosingClass()); | ||
@SuppressWarnings("unchecked") | ||
ObjectDeserializer<B> objectDeserializer = (ObjectDeserializer<B>) DelegatingDeserializer.unwrap(deserializer); | ||
assert objectDeserializer != null; | ||
return objectDeserializer.deserialize(self(), parser, mapper, parser.next()); | ||
} | ||
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/** Updates object with newly provided JSON properties | ||
@param inputStream the stream to read from | ||
@return this object | ||
* **/ | ||
default B withJson(InputStream inputStream) { | ||
JsonpMapper defaultMapper = JsonpUtils.DEFAULT_JSONP_MAPPER; | ||
try (JsonParser parser = defaultMapper.jsonProvider().createParser(inputStream)) { | ||
return withJson(parser, defaultMapper); | ||
} | ||
} | ||
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/** Updates object with newly provided JSON properties | ||
@param reader the stream to read from | ||
@return this object | ||
* **/ | ||
default B withJson(Reader reader) { | ||
JsonpMapper defaultMapper = JsonpUtils.DEFAULT_JSONP_MAPPER; | ||
try (JsonParser parser = defaultMapper.jsonProvider().createParser(reader)) { | ||
return withJson(parser, defaultMapper); | ||
} | ||
} | ||
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} |
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44
java-client/src/test/java/org/opensearch/client/opensearch/json/PlainDeserializableTest.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.client.opensearch.json; | ||
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import static org.junit.Assert.assertEquals; | ||
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import java.io.ByteArrayInputStream; | ||
import java.io.InputStream; | ||
import java.nio.charset.StandardCharsets; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
import org.junit.Test; | ||
import org.opensearch.client.opensearch.indices.PutIndexTemplateRequest; | ||
import org.opensearch.client.opensearch.indices.put_index_template.IndexTemplateMapping; | ||
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public class PlainDeserializableTest { | ||
@Test | ||
public void testWithJsonPutIndexTemplateRequest() { | ||
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String stringTemplate = | ||
"{\"mappings\":{\"properties\":{\"age\":{\"type\":\"integer\"}}},\"settings\":{\"number_of_shards\":\"2\",\"number_of_replicas\":\"1\"}}"; | ||
InputStream inputStream = new ByteArrayInputStream(stringTemplate.getBytes(StandardCharsets.UTF_8)); | ||
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PutIndexTemplateRequest indexTemplateRequest = new PutIndexTemplateRequest.Builder().name("My index") | ||
.indexPatterns("index_pattern1") | ||
.template(new IndexTemplateMapping.Builder().withJson(inputStream).build()) | ||
.build(); | ||
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String expectedName = "My index"; | ||
List<String> expectedIndexPatterns = Arrays.asList("index_pattern1"); | ||
String expectedNumberOfShards = "2"; | ||
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assertEquals(indexTemplateRequest.name(), expectedName); | ||
assertEquals(expectedIndexPatterns, indexTemplateRequest.indexPatterns()); | ||
assertEquals(expectedNumberOfShards, indexTemplateRequest.template().settings().numberOfShards()); | ||
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} | ||
} |
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samples/src/main/java/org/opensearch/client/samples/json/DeserializationBasics.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.client.samples.json; | ||
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import java.io.ByteArrayInputStream; | ||
import java.io.InputStream; | ||
import java.nio.charset.StandardCharsets; | ||
import org.apache.logging.log4j.LogManager; | ||
import org.apache.logging.log4j.Logger; | ||
import org.opensearch.client.opensearch.OpenSearchClient; | ||
import org.opensearch.client.opensearch.indices.PutIndexTemplateRequest; | ||
import org.opensearch.client.opensearch.indices.PutIndexTemplateResponse; | ||
import org.opensearch.client.opensearch.indices.put_index_template.IndexTemplateMapping; | ||
import org.opensearch.client.samples.SampleClient; | ||
import org.opensearch.client.samples.Search; | ||
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public class DeserializationBasics { | ||
private static final Logger LOGGER = LogManager.getLogger(Search.class); | ||
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private static OpenSearchClient client; | ||
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public static void main(String[] args) { | ||
try { | ||
client = SampleClient.create(); | ||
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var version = client.info().version(); | ||
LOGGER.info("Server: {}@{}.", version.distribution(), version.number()); | ||
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final var indexTemplateName = "my-index"; | ||
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// Use Json String/File for storing template. | ||
String stringTemplate = | ||
"{\"mappings\":{\"properties\":{\"age\":{\"type\":\"integer\"}}},\"settings\":{\"number_of_shards\":\"2\",\"number_of_replicas\":\"1\"}}"; | ||
// Create Input Stream for the above json template | ||
InputStream inputStream = new ByteArrayInputStream(stringTemplate.getBytes(StandardCharsets.UTF_8)); | ||
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// Create Index Template Request for index 'my-index'. | ||
PutIndexTemplateRequest putIndexTemplateRequest = new PutIndexTemplateRequest.Builder().name(indexTemplateName) | ||
.template(new IndexTemplateMapping.Builder().withJson(inputStream).build()) // Use the Builder.withJson method to | ||
// deserialize the inputStream into an instance | ||
// of the IndexTemplateMapping class. | ||
.build(); | ||
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LOGGER.info("Creating index template {}.", indexTemplateName); | ||
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// Use toJsonString method to log Request and Response string. | ||
LOGGER.debug("Index Template Request: {}.", putIndexTemplateRequest.toJsonString()); | ||
PutIndexTemplateResponse response = client.indices().putIndexTemplate(putIndexTemplateRequest); | ||
LOGGER.info("Index Template Response: {}.", response.toJsonString()); | ||
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} catch (Exception e) { | ||
LOGGER.error("Exception occurred.", e); | ||
} | ||
} | ||
} |