io.spring.initializr.generator.buildsystem.maven.MavenResourceContainer 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 io.spring.initializr.generator.buildsystem.maven;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Consumer;
import java.util.stream.Stream;
/**
* A container for {@link MavenResource}s.
*
* @author Stephane Nicoll
*/
public class MavenResourceContainer {
private final Map resources = new LinkedHashMap<>();
/**
* Specify if this container is empty.
* @return {@code true} if no {@link MavenResource} is added
*/
public boolean isEmpty() {
return this.resources.isEmpty();
}
/**
* Specify if this container has a resource the specified {@code directory}.
* @param directory the resource directory
* @return {@code true} if an item for the specified {@code directory} exists
*/
public boolean has(String directory) {
return this.resources.containsKey(directory);
}
/**
* Returns a {@link Stream} of registered {@link MavenResource}s.
* @return a stream of {@link MavenResource}s
*/
public Stream values() {
return this.resources.values().stream().map(MavenResource.Builder::build);
}
/**
* Add a resource with default settings for the specified {@code directory}.
* @param directory the directory to add
*/
public void add(String directory) {
this.resources.computeIfAbsent(directory, (key) -> new MavenResource.Builder(directory));
}
/**
* Add a resource with default settings for the specified {@code directory} and
* {@link Consumer} to customize the resource. If the resource has already been added,
* the consumer can be used to further tune the existing resource configuration.
* @param directory the directory to add
* @param resource a {@link Consumer} to customize the {@link MavenResource}
*/
public void add(String directory, Consumer resource) {
resource.accept(this.resources.computeIfAbsent(directory, (key) -> new MavenResource.Builder(directory)));
}
/**
* Remove the resource with the specified {@code directory}.
* @param directory the directory to remove
* @return {@code true} if such a resource was registered, {@code false} otherwise
*/
public boolean remove(String directory) {
return this.resources.remove(directory) != null;
}
}