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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 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.openecomp.sdc.validation.utils;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.core.utilities.CommonMethods;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.core.validation.interfaces.Validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class ValidationConfigurationManager {
private static final String VALIDATION_CONFIGURATION = "validationConfiguration.json";
private static final List<Validator> validators = new ArrayList<>();
private static Logger logger = LoggerFactory.getLogger(ValidationConfigurationManager.class);
/**
* Init validators list.
*
* @return the list
*/
public static List<Validator> initValidators() {
synchronized (validators) {
if (CollectionUtils.isEmpty(validators)) {
InputStream validationConfigurationJson =
FileUtils.getFileInputStream(VALIDATION_CONFIGURATION);
ValidationConfiguration validationConfiguration =
JsonUtil.json2Object(validationConfigurationJson, ValidationConfiguration.class);
List<ValidatorConfiguration> conf = validationConfiguration.getValidatorConfigurationList();
conf.stream().filter(ValidatorConfiguration::isEnableInd).forEachOrdered(
validatorConfiguration -> validators.add(validatorInit(validatorConfiguration)));
}
}
return validators;
}
private static Validator validatorInit(ValidatorConfiguration validatorConf) {
Validator validator = null;
try {
validator =
CommonMethods.newInstance(validatorConf.getImplementationClass(), Validator.class);
} catch (IllegalArgumentException iae) {
logger.error("Validator:" + validatorConf.getName() + " Class:"
+ validatorConf.getImplementationClass() + " failed in initialization. error:"
+ iae.toString() + " trace:" + Arrays.toString(iae.getStackTrace()));
}
return validator;
}
}
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