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46 changes: 46 additions & 0 deletions
46
src/main/java/io/confluent/connect/elasticsearch/util/ScriptParser.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * Copyright 2018 Confluent Inc. | ||
| * | ||
| * Licensed under the Confluent Community License (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.confluent.io/confluent-community-license | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
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| package io.confluent.connect.elasticsearch.util; | ||
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| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.core.type.TypeReference; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import org.elasticsearch.script.Script; | ||
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| import java.util.Map; | ||
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| public class ScriptParser { | ||
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| public static Script parseScript(String scriptJson) throws JsonProcessingException { | ||
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| Map<String, Object> map = ScriptParser.parseSchemaStringAsJson(scriptJson); | ||
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| return Script.parse(map); | ||
| } | ||
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| private static Map<String, Object> parseSchemaStringAsJson(String scriptJson) | ||
| throws JsonProcessingException { | ||
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| ObjectMapper objectMapper = new ObjectMapper(); | ||
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| Map<String, Object> scriptConverted; | ||
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| scriptConverted = objectMapper.readValue( | ||
| scriptJson, new TypeReference<Map<String, Object>>(){}); | ||
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| return scriptConverted; | ||
| } | ||
| } |
74 changes: 74 additions & 0 deletions
74
src/main/java/io/confluent/connect/elasticsearch/validator/ScriptValidator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * Copyright 2018 Confluent Inc. | ||
| * | ||
| * Licensed under the Confluent Community License (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.confluent.io/confluent-community-license | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| */ | ||
|
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| package io.confluent.connect.elasticsearch.validator; | ||
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| import static io.confluent.connect.elasticsearch.ElasticsearchSinkConnectorConfig.WRITE_METHOD_CONFIG; | ||
| import static io.confluent.connect.elasticsearch.ElasticsearchSinkConnectorConfig.WriteMethod.SCRIPTED_UPSERT; | ||
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| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import io.confluent.connect.elasticsearch.util.ScriptParser; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.apache.kafka.common.config.ConfigDef; | ||
| import org.apache.kafka.common.config.ConfigException; | ||
| import org.elasticsearch.script.Script; | ||
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| public class ScriptValidator implements ConfigDef.Validator, ConfigDef.Recommender { | ||
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public void ensureValid(String name, Object value) { | ||
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| if (value == null) { | ||
| return; | ||
| } | ||
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| String script = (String) value; | ||
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| try { | ||
| Script parsedScript = ScriptParser.parseScript(script); | ||
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| if (parsedScript.getIdOrCode() == null) { | ||
| throw new ConfigException(name, script, "The specified script is missing code"); | ||
| } else if (parsedScript.getLang() == null) { | ||
| throw new ConfigException(name, script, "The specified script is missing lang"); | ||
| } | ||
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| } catch (JsonProcessingException jsonProcessingException) { | ||
| throw new ConfigException( | ||
| name, script, "The specified script is not a valid Elasticsearch painless script"); | ||
| } | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "A valid script that is able to be parsed"; | ||
| } | ||
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| @Override | ||
| public List<Object> validValues(String name, Map<String, Object> parsedConfig) { | ||
| if (!parsedConfig.get(WRITE_METHOD_CONFIG).equals(SCRIPTED_UPSERT)) { | ||
| return new ArrayList<>(); | ||
| } | ||
| return null; | ||
| } | ||
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| @Override | ||
| public boolean visible(String name, Map<String, Object> parsedConfig) { | ||
| return parsedConfig.get(WRITE_METHOD_CONFIG).equals(SCRIPTED_UPSERT.name()); | ||
| } | ||
| } |
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