org.springframework.boot.DefaultApplicationArguments Maven / Gradle / Ivy
/*
* Copyright 2012-2019 the original author or authors.
*
* 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
*
* https://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.springframework.boot;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.springframework.core.env.SimpleCommandLinePropertySource;
import org.springframework.util.Assert;
/**
* Default implementation of {@link ApplicationArguments}.
*
* @author Phillip Webb
* @since 1.4.1
*/
public class DefaultApplicationArguments implements ApplicationArguments {
private final Source source;
private final String[] args;
public DefaultApplicationArguments(String... args) {
Assert.notNull(args, "Args must not be null");
this.source = new Source(args);
this.args = args;
}
@Override
public String[] getSourceArgs() {
return this.args;
}
@Override
public Set getOptionNames() {
String[] names = this.source.getPropertyNames();
return Collections.unmodifiableSet(new HashSet<>(Arrays.asList(names)));
}
@Override
public boolean containsOption(String name) {
return this.source.containsProperty(name);
}
@Override
public List getOptionValues(String name) {
List values = this.source.getOptionValues(name);
return (values != null) ? Collections.unmodifiableList(values) : null;
}
@Override
public List getNonOptionArgs() {
return this.source.getNonOptionArgs();
}
private static class Source extends SimpleCommandLinePropertySource {
Source(String[] args) {
super(args);
}
@Override
public List getNonOptionArgs() {
return super.getNonOptionArgs();
}
@Override
public List getOptionValues(String name) {
return super.getOptionValues(name);
}
}
}