/*
* This file is part of Bitsquare.
*
* Bitsquare is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* Bitsquare is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
* License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
*/
package io.bitsquare.util.spring;
import joptsimple.OptionSet;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* Customizes {@link io.bitsquare.util.spring.JOptCommandLinePropertySource#getOptionValues(String)}
* to allow for proper use of {@link joptsimple.ArgumentAcceptingOptionSpec#ofType(Class)}.
* To be removed once https://github.com/spring-projects/spring-framework/pull/693 has
* been merged and made available in a release.
*/
public class JOptCommandLinePropertySource extends org.springframework.core.env.JOptCommandLinePropertySource {
public JOptCommandLinePropertySource(String name, OptionSet options) {
super(name, options);
}
@Override
public List<String> getOptionValues(String name) {
List<?> argValues = this.source.valuesOf(name);
List<String> stringArgValues = argValues.stream().map(argValue -> argValue instanceof String ? (String) argValue : argValue.toString()).collect
(Collectors.toList());
if (stringArgValues.isEmpty()) {
return (this.source.has(name) ? Collections.<String>emptyList() : null);
}
return Collections.unmodifiableList(stringArgValues);
}
}