/*
* The MIT License
*
* Copyright (c) 2010, InfraDNA, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.model.queue;
import hudson.model.Queue.Item;
import hudson.model.Queue.Task;
import hudson.security.ACL;
import org.acegisecurity.Authentication;
import java.util.Collection;
import java.util.Collections;
import javax.annotation.Nonnull;
import jenkins.security.QueueItemAuthenticator;
import jenkins.security.QueueItemAuthenticatorConfiguration;
/**
* Convenience methods around {@link Task} and {@link SubTask}.
*
* @author Kohsuke Kawaguchi
* @since 1.377
*/
public class Tasks {
public static Collection<? extends SubTask> getSubTasksOf(Task task) {
try {
return task.getSubTasks();
} catch (AbstractMethodError e) {
return Collections.singleton(task);
}
}
public static Object getSameNodeConstraintOf(SubTask t) {
try {
return t.getSameNodeConstraint();
} catch (AbstractMethodError e) {
return null;
}
}
public static @Nonnull Task getOwnerTaskOf(@Nonnull SubTask t) {
try {
return t.getOwnerTask();
} catch (AbstractMethodError e) {
return (Task)t;
}
}
/**
* Helper method to safely invoke {@link Task#getDefaultAuthentication()} on classes that may come
* from plugins compiled against an earlier version of Jenkins.
*
* @param t the task
* @return {@link Task#getDefaultAuthentication()}, or {@link ACL#SYSTEM}
* @since 1.520
*/
@Nonnull
public static Authentication getDefaultAuthenticationOf(Task t) {
try {
return t.getDefaultAuthentication();
} catch (AbstractMethodError e) {
return ACL.SYSTEM;
}
}
/**
* Helper method to safely invoke {@link Task#getDefaultAuthentication(Item)} on classes that may come
* from plugins compiled against an earlier version of Jenkins.
*
* @param t the task
* @param item the item
* @return {@link Task#getDefaultAuthentication(hudson.model.Queue.Item)},
* or {@link Task#getDefaultAuthentication()}, or {@link ACL#SYSTEM}
* @since 1.592
*/
@Nonnull
public static Authentication getDefaultAuthenticationOf(Task t, Item item) {
try {
return t.getDefaultAuthentication(item);
} catch (AbstractMethodError e) {
return getDefaultAuthenticationOf(t);
}
}
/**
* Finds what authentication a task is likely to be run under when scheduled.
* The actual authentication after scheduling ({@link hudson.model.Queue.Item#authenticate}) might differ,
* in case some {@link QueueItemAuthenticator#authenticate(hudson.model.Queue.Item)} takes (for example) actions into consideration.
* @param t a task
* @return an authentication as specified by some {@link QueueItemAuthenticator#authenticate(hudson.model.Queue.Task)}; else {@link #getDefaultAuthenticationOf}
* @since 1.560
*/
public static @Nonnull Authentication getAuthenticationOf(@Nonnull Task t) {
for (QueueItemAuthenticator qia : QueueItemAuthenticatorConfiguration.get().getAuthenticators()) {
Authentication a = qia.authenticate(t);
if (a != null) {
return a;
}
}
return getDefaultAuthenticationOf(t);
}
}