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/*============LICENSE_START=======================================================
* oom-truststore-merger
* ================================================================================
* Copyright (C) 2020 Nokia. 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.oom.certservice.postprocessor.configuration;
import static org.onap.oom.certservice.postprocessor.configuration.model.EnvVariable.KEYSTORE_DESTINATION_PATHS;
import static org.onap.oom.certservice.postprocessor.configuration.model.EnvVariable.KEYSTORE_SOURCE_PATHS;
import static org.onap.oom.certservice.postprocessor.configuration.model.EnvVariable.TRUSTSTORES_PASSWORDS_PATHS;
import static org.onap.oom.certservice.postprocessor.configuration.model.EnvVariable.TRUSTSTORES_PATHS;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import org.onap.oom.certservice.postprocessor.configuration.path.env.EnvReader;
import org.onap.oom.certservice.postprocessor.configuration.exception.CertificatesPathsValidationException;
import org.onap.oom.certservice.postprocessor.configuration.exception.ConfigurationException;
import org.onap.oom.certservice.postprocessor.configuration.model.AppConfiguration;
import org.onap.oom.certservice.postprocessor.configuration.model.EnvVariable;
import org.onap.oom.certservice.postprocessor.configuration.path.DelimitedPathsSplitter;
public class AppConfigurationProvider {
private final EnvReader envReader;
private final DelimitedPathsSplitter pathsSplitter;
public AppConfigurationProvider(DelimitedPathsSplitter pathsSplitter, EnvReader envReader) {
this.envReader = envReader;
this.pathsSplitter = pathsSplitter;
}
public AppConfiguration createConfiguration()
throws ConfigurationException, CertificatesPathsValidationException {
List<String> truststoresPaths = getPaths(TRUSTSTORES_PATHS);
List<String> truststoresPasswordsPaths = getPaths(TRUSTSTORES_PASSWORDS_PATHS);
List<String> sourceKeystorePaths = getPaths(KEYSTORE_SOURCE_PATHS);
List<String> destinationKeystorePaths = getPaths(KEYSTORE_DESTINATION_PATHS);
ensureSameSize(truststoresPaths, truststoresPasswordsPaths, TRUSTSTORES_PATHS.name(),
TRUSTSTORES_PASSWORDS_PATHS.name());
ensureSameSize(sourceKeystorePaths, destinationKeystorePaths, KEYSTORE_SOURCE_PATHS.name(),
KEYSTORE_DESTINATION_PATHS.name());
return new AppConfiguration(truststoresPaths, truststoresPasswordsPaths, sourceKeystorePaths,
destinationKeystorePaths);
}
private List<String> getPaths(EnvVariable envVariable) throws ConfigurationException {
Optional<String> envValue = envReader.getEnv(envVariable.name());
isMandatoryEnvPresent(envVariable, envValue);
return envValue.isPresent() ? pathsSplitter.getValidatedPaths(envVariable, envValue) : Collections.emptyList();
}
private void isMandatoryEnvPresent(EnvVariable envVariable, Optional<String> envValue) {
if (envVariable.isMandatory() && envValue.isEmpty()) {
throw new ConfigurationException(envVariable + " mandatory environment variable is not defined");
}
}
private void ensureSameSize(List<String> firstList, List<String> secondList, String firstListEnvName,
String secondListEnvName) throws ConfigurationException {
if (firstList.size() != secondList.size()) {
throw new ConfigurationException(
"Size of " + firstListEnvName
+ " does not match size of " + secondListEnvName + " environment variables");
}
}
}
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