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/*
* Copyright © 2016-2017 European Support Limited
*
* 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.
*/
package org.openecomp.core.factory;
import org.openecomp.core.factory.api.FactoriesConfiguration;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.sdc.common.errors.SdcConfigurationException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public final class FactoriesConfigImpl implements FactoriesConfiguration {
private static final String FACTORY_CONFIG_FILE_NAME = "factoryConfiguration.json";
private static final Map FACTORY_MAP = new HashMap();
private static boolean initialized = false;
@SuppressWarnings("unchecked")
@Override
public Map<String, String> getFactoriesMap() {
synchronized (this) {
if (!initialized) {
init();
initialized = true;
}
}
return FACTORY_MAP;
}
private void init() {
List<URL> factoryConfigUrlList = FileUtils.getAllLocations(FACTORY_CONFIG_FILE_NAME);
for (URL factoryConfigUrl : factoryConfigUrlList) {
try (InputStream stream = factoryConfigUrl.openStream()) {
FACTORY_MAP.putAll(JsonUtil.json2Object(stream, Map.class));
} catch (IOException e) {
throw new SdcConfigurationException("Failed to initialize Factory from '" + factoryConfigUrl.getPath() +"'", e);
}
}
}
}
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