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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.sparky.sync;
import java.io.IOException;
import org.onap.aai.sparky.dal.exception.ElasticSearchOperationException;
import org.onap.aai.sparky.sync.config.ElasticSearchSchemaConfig;
import org.onap.aai.sparky.util.ConfigHelper;
import org.onap.aai.sparky.viewandinspect.config.SparkyConstants;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
public class ElasticSearchSchemaFactory {
private static final String SETTINGS = "settings";
private static final String MAPPINGS = "mappings";
private static ObjectMapper mapper = new ObjectMapper();
protected static String getConfigAsString(String configItem, String configFileName)
throws ElasticSearchOperationException {
String indexConfig = null;
try {
indexConfig = ConfigHelper.getFileContents(configFileName);
} catch (IOException exc) {
throw new ElasticSearchOperationException(
"Failed to read index " + configItem + " from file = " + configFileName + ".", exc);
}
if (indexConfig == null) {
throw new ElasticSearchOperationException(
"Failed to load index " + configItem + " with filename = " + configFileName + ".");
}
return indexConfig;
}
public static String getIndexSchema(ElasticSearchSchemaConfig schemaConfig)
throws ElasticSearchOperationException {
JsonNode esSettingsNode = null;
JsonNode esMappingsNodes = null;
try {
if (schemaConfig.getIndexSettingsFileName() != null) {
esSettingsNode = mapper.readTree(getConfigAsString(SETTINGS,
SparkyConstants.getConfigPath(schemaConfig.getIndexSettingsFileName())));
}
if (schemaConfig.getIndexMappingsFileName() != null) {
esMappingsNodes = mapper.readTree(getConfigAsString(MAPPINGS,
SparkyConstants.getConfigPath(schemaConfig.getIndexMappingsFileName())));
}
} catch (IOException e1) {
throw new ElasticSearchOperationException("Caught an exception building initial ES index. Error: " + e1.getMessage());
}
ObjectNode esConfig = null;
ObjectNode mappings =
(ObjectNode) mapper.createObjectNode().set(schemaConfig.getIndexDocType(), esMappingsNodes);
if (esSettingsNode == null) {
esConfig = (ObjectNode) mapper.createObjectNode().set(MAPPINGS, mappings);
} else {
esConfig = (ObjectNode) mapper.createObjectNode().set(SETTINGS, esSettingsNode);
esConfig.set(MAPPINGS, mappings);
}
try {
return mapper.writeValueAsString(esConfig);
} catch (JsonProcessingException exc) {
throw new ElasticSearchOperationException("Error getting object node as string", exc);
}
}
}
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