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/*
* Copyright 2014 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
*
* 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.gradle.api.internal.artifacts.configurations;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ProjectDependency;
import org.gradle.api.internal.tasks.TaskDependencyContainerInternal;
import org.gradle.api.internal.tasks.TaskDependencyFactory;
import org.gradle.api.internal.tasks.TaskDependencyResolveContext;
import javax.annotation.Nullable;
import java.util.Set;
class TasksFromDependentProjects implements TaskDependencyContainerInternal {
private final String taskName;
private final String configurationName;
private final TaskDependencyContainerInternal taskDependencyDelegate;
public TasksFromDependentProjects(String taskName, String configurationName, TaskDependencyFactory taskDependencyFactory) {
this(taskName, configurationName, new TaskDependencyChecker(), taskDependencyFactory);
}
public TasksFromDependentProjects(String taskName, String configurationName, TaskDependencyChecker checker, TaskDependencyFactory taskDependencyFactory) {
this.taskName = taskName;
this.configurationName = configurationName;
this.taskDependencyDelegate = taskDependencyFactory.visitingDependencies(context -> {
Project thisProject = context.getTask().getProject();
Set tasksWithName = thisProject.getRootProject().getTasksByName(taskName, true);
for (Task nextTask : tasksWithName) {
if (context.getTask() != nextTask) {
boolean isDependency = checker.isDependent(thisProject, configurationName, nextTask.getProject());
if (isDependency) {
context.add(nextTask);
}
}
}
});
}
@Override
public void visitDependencies(TaskDependencyResolveContext context) {
taskDependencyDelegate.visitDependencies(context);
}
@Override
public Set getDependencies(@Nullable Task task) {
return taskDependencyDelegate.getDependencies(task);
}
@Override
public Set getDependenciesForInternalUse(@Nullable Task task) {
return taskDependencyDelegate.getDependenciesForInternalUse(task);
}
static class TaskDependencyChecker {
//checks if candidate project is dependent of the origin project with given configuration
boolean isDependent(Project originProject, String configurationName, Project candidateProject) {
Configuration configuration = candidateProject.getConfigurations().findByName(configurationName);
return configuration != null && doesConfigurationDependOnProject(configuration, originProject);
}
private static boolean doesConfigurationDependOnProject(Configuration configuration, Project project) {
Set projectDependencies = configuration.getAllDependencies().withType(ProjectDependency.class);
for (ProjectDependency projectDependency : projectDependencies) {
if (projectDependency.getDependencyProject().equals(project)) {
return true;
}
}
return false;
}
}
public String getTaskName() {
return taskName;
}
public String getConfigurationName() {
return configurationName;
}
}