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/*
* ================================================================================
* Copyright (c) 2018 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.dcae.analytics.model.util.function;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Optional;
import java.util.function.Function;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Converts String to URL if possible
*
* @author Rajiv Singla
*/
public class StringToURLFunction implements Function<String, Optional<URL>> {
private static final Logger logger = LoggerFactory.getLogger(StringToURLFunction.class);
@Override
public Optional<URL> apply(final String urlString) {
try {
return Optional.of(new URL(urlString));
} catch (MalformedURLException e) {
logger.error("Unable to convert given String: {} to URL" + urlString, e);
}
return Optional.empty();
}
}
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