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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* 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 io.fd.honeycomb.yang;
import static java.lang.String.format;
import java.nio.file.Path;
import javax.annotation.Nonnull;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
public class YangModuleWhitelistReader extends JAXBContextHolder {
public YangModuleWhitelistReader() {
super(YangModuleWhitelist.class);
}
@Nonnull
public YangModuleWhitelist read(@Nonnull final Path path) {
final Unmarshaller unmarshaller = createUnmarshaller();
return YangModuleWhitelist.class.cast(readWhitelist(path, unmarshaller));
}
private static Object readWhitelist(final Path path, final Unmarshaller unmarshaller) {
try {
return unmarshaller.unmarshal(path.toFile());
} catch (JAXBException e) {
throw new IllegalStateException(format("Unable to read whitelist from %s", path), e);
}
}
private Unmarshaller createUnmarshaller() {
try {
return getCtx().createUnmarshaller();
} catch (JAXBException e) {
throw new IllegalStateException("Unable to create unmarshaller", e);
}
}
}
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