spring ApplicationArguments 源码
springboot ApplicationArguments 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ApplicationArguments.java
/*
* 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.List;
import java.util.Set;
/**
* Provides access to the arguments that were used to run a {@link SpringApplication}.
*
* @author Phillip Webb
* @since 1.3.0
*/
public interface ApplicationArguments {
/**
* Return the raw unprocessed arguments that were passed to the application.
* @return the arguments
*/
String[] getSourceArgs();
/**
* Return the names of all option arguments. For example, if the arguments were
* "--foo=bar --debug" would return the values {@code ["foo", "debug"]}.
* @return the option names or an empty set
*/
Set<String> getOptionNames();
/**
* Return whether the set of option arguments parsed from the arguments contains an
* option with the given name.
* @param name the name to check
* @return {@code true} if the arguments contain an option with the given name
*/
boolean containsOption(String name);
/**
* Return the collection of values associated with the arguments option having the
* given name.
* <ul>
* <li>if the option is present and has no argument (e.g.: "--foo"), return an empty
* collection ({@code []})</li>
* <li>if the option is present and has a single value (e.g. "--foo=bar"), return a
* collection having one element ({@code ["bar"]})</li>
* <li>if the option is present and has multiple values (e.g. "--foo=bar --foo=baz"),
* return a collection having elements for each value ({@code ["bar", "baz"]})</li>
* <li>if the option is not present, return {@code null}</li>
* </ul>
* @param name the name of the option
* @return a list of option values for the given name
*/
List<String> getOptionValues(String name);
/**
* Return the collection of non-option arguments parsed.
* @return the non-option arguments or an empty list
*/
List<String> getNonOptionArgs();
}
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- 本文标签： Spring Boot Spring Java
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