JavaPackage.java
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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.
*/
package org.onlab.jdvue;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Simple abstraction of a Java package for the purpose of tracking
* dependencies and requirements.
*
* @author Thomas Vachuska
*/
public class JavaPackage extends JavaEntity {
private final Set<JavaSource> sources = new HashSet<>();
private Set<JavaPackage> dependencies;
/**
* Creates a new Java package.
*
* @param name java package file name
*/
JavaPackage(String name) {
super(name);
}
/**
* Returns the set of sources contained in this Java package.
*
* @return set of Java sources
*/
public Set<JavaSource> getSources() {
return Collections.unmodifiableSet(sources);
}
/**
* Adds the specified Java source to the package. Only possible if the
* Java package of the source is the same as this Java package.
*
* @param source Java source to be added
*/
void addSource(JavaSource source) {
if (source.getPackage().equals(this)) {
sources.add(source);
}
}
/**
* Returns the set of packages directly required by this package.
*
* @return set of Java package dependencies
*/
Set<JavaPackage> getDependencies() {
return dependencies;
}
/**
* Sets the set of resolved Java packages on which this package dependens.
*
* @param dependencies set of resolved Java packages
*/
void setDependencies(Set<JavaPackage> dependencies) {
if (this.dependencies == null) {
this.dependencies = Collections.unmodifiableSet(new HashSet<>(dependencies));
}
}
@Override
public String toString() {
return toStringHelper(this)
.add("name", name())
.add("sources", sources.size())
.add("dependencies", (dependencies != null ? dependencies.size() : 0))
.toString();
}
}