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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-18 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.setup;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.io.IOUtils;
import org.onap.aai.edges.JsonIngestor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Converts the contents of the schema config file
* (which lists which schema files to be loaded) to
* the format the Ingestors can work with.
*
*/
public abstract class ConfigTranslator extends Translator {
private static final Logger LOGGER = LoggerFactory.getLogger(ConfigTranslator.class);
protected SchemaLocationsBean bean;
@Autowired
public ConfigTranslator(SchemaLocationsBean schemaLocationbean, SchemaConfigVersions schemaVersions) {
super(schemaVersions);
this.bean = schemaLocationbean;
}
/**
* Translates the contents of the schema config file
* into the input for the NodeIngestor
*
* @return Map of Version to the list of (string) filenames to be
* ingested for that version
*/
public abstract Map<SchemaVersion, List<String>> getNodeFiles();
public List<InputStream> getVersionNodeStream(SchemaVersion version) {
Map<SchemaVersion, List<String>> filesToIngest = getNodeFiles();
List<InputStream> streams = new ArrayList<>();
if (!filesToIngest.containsKey(version)) {
return streams;
}
List<String> versionFiles = filesToIngest.get(version);
for (String name : versionFiles) {
try {
InputStream stream = new FileInputStream(new File(name));
String value = IOUtils.toString(stream, Charset.defaultCharset());
InputStream bis = (IOUtils.toInputStream(value, Charset.defaultCharset()));
streams.add(bis);
} catch (FileNotFoundException e) {
// TODO This may have to be cascaded
LOGGER.warn("File Not Found" + e.getMessage());
} catch (IOException e) {
LOGGER.warn("IOException while reading files" + e.getMessage());
}
}
return streams;
}
@Override
public List<String> getJsonPayload(SchemaVersion version) {
Map<SchemaVersion, List<String>> filesToIngest = getEdgeFiles();
List<String> jsonPayloads = new ArrayList<>();
if (!filesToIngest.containsKey(version)) {
return jsonPayloads;
}
List<String> versionFiles = filesToIngest.get(version);
JsonIngestor ji = new JsonIngestor();
for (String rulesFilename : versionFiles) {
jsonPayloads.add(ji.readInJsonFile(rulesFilename));
}
return jsonPayloads;
}
/**
* Translates the contents of the schema config file
* into the input for the EdgeIngestor
*
* @return Map of Version to the List of (String) filenames to be
* ingested for that version
*/
public abstract Map<SchemaVersion, List<String>> getEdgeFiles();
}
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