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/**
* *****************************************************************************
*
* Copyright (c) 2011 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials are made
* available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Nikita Levyankov
*
******************************************************************************
*/
package hudson.util;
import hudson.model.AbstractProject;
import hudson.model.Describable;
import hudson.model.Descriptor;
import hudson.model.Hudson;
import hudson.model.Item;
import hudson.model.Job;
import hudson.model.JobPropertyDescriptor;
import hudson.model.ParameterDefinition;
import hudson.model.ParametersDefinitionProperty;
import hudson.model.TopLevelItem;
import hudson.security.AuthorizationMatrixProperty;
import hudson.triggers.Trigger;
import hudson.triggers.TriggerDescriptor;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import net.sf.json.JSONObject;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.hudson.api.model.ICascadingJob;
import org.eclipse.hudson.api.model.IProjectProperty;
import org.eclipse.hudson.model.project.property.AxisListProjectProperty;
import org.eclipse.hudson.model.project.property.BaseProjectProperty;
import org.eclipse.hudson.model.project.property.BooleanProjectProperty;
import org.eclipse.hudson.model.project.property.CopyOnWriteListProjectProperty;
import org.eclipse.hudson.model.project.property.DescribableListProjectProperty;
import org.eclipse.hudson.model.project.property.ExternalProjectProperty;
import org.eclipse.hudson.model.project.property.IntegerProjectProperty;
import org.eclipse.hudson.model.project.property.LogRotatorProjectProperty;
import org.eclipse.hudson.model.project.property.ResultProjectProperty;
import org.eclipse.hudson.model.project.property.SCMProjectProperty;
import org.eclipse.hudson.model.project.property.StringProjectProperty;
import org.eclipse.hudson.model.project.property.TriggerProjectProperty;
import org.kohsuke.stapler.StaplerRequest;
/**
* Utility class for cascading functionality.
*
* Date: 10/25/11
*
* @author Nikita Levyankov
*/
public class CascadingUtil {
/**
* Returns job property by specified key.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return {@link import org.eclipse.hudson.api.model.IProjectProperty}
* instance or null.
* @throws IllegalArgumentException if currentJob is null.
*/
public static IProjectProperty getProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, null);
}
/**
* Returns StringProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.StringProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static StringProjectProperty getStringProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, StringProjectProperty.class);
}
/**
* Returns BaseProjectProperty by specified key. If property doesn't exists,
* it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.BaseProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static BaseProjectProperty getBaseProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, BaseProjectProperty.class);
}
/**
* Returns ExternalProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.ExternalProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static ExternalProjectProperty getExternalProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, ExternalProjectProperty.class);
}
/**
* Returns CopyOnWriteListProjectProperty by specified key. If property
* doesn't exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.CopyOnWriteListProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static CopyOnWriteListProjectProperty getCopyOnWriteListProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, CopyOnWriteListProjectProperty.class);
}
/**
* Returns ResultProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.ResultProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static ResultProjectProperty getResultProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, ResultProjectProperty.class);
}
/**
* Returns BooleanProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.BooleanProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static BooleanProjectProperty getBooleanProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, BooleanProjectProperty.class);
}
/**
* Returns IntegerProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.IntegerProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static IntegerProjectProperty getIntegerProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, IntegerProjectProperty.class);
}
/**
* Returns LogRotatorProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.LogRotatorProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static LogRotatorProjectProperty getLogRotatorProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, LogRotatorProjectProperty.class);
}
/**
* Returns DescribableListProjectProperty by specified key. If property
* doesn't exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.DescribableListProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static DescribableListProjectProperty getDescribableListProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, DescribableListProjectProperty.class);
}
/**
* Returns AxisListProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.AxisListProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static AxisListProjectProperty getAxesListProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, AxisListProjectProperty.class);
}
/**
* Returns SCMProjectProperty by specified key. If property doesn't exists,
* it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.SCMProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static SCMProjectProperty getScmProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, SCMProjectProperty.class);
}
/**
* Returns TriggerProjectProperty by specified key. If property doesn't
* exists, it will be initialized and added to current job.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @return
* {@link org.eclipse.hudson.model.project.property.TriggerProjectProperty}
* instance.
* @throws IllegalArgumentException if currentJob is null.
*/
public static TriggerProjectProperty getTriggerProjectProperty(Job currentJob, String key) {
return getProjectProperty(currentJob, key, TriggerProjectProperty.class);
}
/**
* Returns project property by specified key.
*
* @param currentJob job that should be analyzed.
* @param key key.
* @param clazz required property class. If class is not null and property
* was not found, property of given class will be created.
* @return {@link org.eclipse.hudson.api.model.IProjectProperty} instance or
* null.
* @throws IllegalArgumentException if currentJob is null.
*/
@SuppressWarnings("unchecked")
public static T getProjectProperty(ICascadingJob currentJob, String key, Class clazz) {
if (currentJob == null) {
throw new IllegalArgumentException("Job cannot be null");
}
IProjectProperty t = (IProjectProperty) currentJob.getProjectProperties().get(key);
if (null == t && null != clazz) {
try {
t = clazz.getConstructor(ICascadingJob.class).newInstance(currentJob);
t.setKey(key);
currentJob.putProjectProperty(key, t);
} catch (InstantiationException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
return (T) t;
}
/**
* Checks whether cascadingCandidate project can produce cycle cascading
* dependencies.
*
* @param cascadingCandidate candidate.
* @param cascadingChildren children of given job.
* @return false - if cyclic cascading dependency is not possible, true -
* otherwise.
*/
@SuppressWarnings("unchecked")
public static boolean hasCyclicCascadingLink(Job cascadingCandidate, Set cascadingChildren) {
if (null != cascadingCandidate && CollectionUtils.isNotEmpty(cascadingChildren)) {
if (cascadingChildren.contains(cascadingCandidate.getName())) {
return true;
}
for (String childName : cascadingChildren) {
TopLevelItem item = Hudson.getInstance().getItem(childName);
if (item instanceof Job) {
Job job = (Job) item;
if (hasCyclicCascadingLink(cascadingCandidate, job.getCascadingChildrenNames())) {
return true;
}
}
}
}
return false;
}
/**
* Recursively unlink specified project from cascading hierarchy.
*
* @param cascadingProject cascading project to start from.
* @param projectToUnlink project that should be unlinked.
* @return true if project was unlinked, false - if cascadingProject or
* projectToUnlink is Null
* @throws java.io.IOException if cascading project couldn't be saved.
*/
public static boolean unlinkProjectFromCascadingParents(ICascadingJob cascadingProject, String projectToUnlink)
throws IOException {
if (null != cascadingProject && null != projectToUnlink) {
TopLevelItem item = Hudson.getInstance().getItem(projectToUnlink);
if (item instanceof Job) {
Job job = (Job) item;
Set set = new HashSet(job.getCascadingChildrenNames());
set.add(projectToUnlink);
return unlinkProjectFromCascadingParents(cascadingProject, set);
}
}
return false;
}
/**
* Recursively unlink set of projects from cascading hierarchy.
*
* @param cascadingProject cascading project to start from.
* @param projectsToUnlink projects that should be unlinked.
* @return if project was unlinked
* @throws java.io.IOException if cascading project couldn't be saved.
*/
private static boolean unlinkProjectFromCascadingParents(ICascadingJob cascadingProject, Set projectsToUnlink)
throws IOException {
if (null != cascadingProject && null != projectsToUnlink) {
for (String toUnlink : projectsToUnlink) {
cascadingProject.removeCascadingChild(toUnlink);
}
if (cascadingProject.hasCascadingProject()) {
unlinkProjectFromCascadingParents(cascadingProject.getCascadingProject(), projectsToUnlink);
}
return true;
}
return false;
}
/**
* Links cascading project to children project. Method updates all parent
* cascading projects starting from the specified cascadingProject.
*
* @param cascadingProject cascadingProject.
* @param childProjectName the name of child project name.
* @throws java.io.IOException if cascading project couldn't be saved.
*/
public static void linkCascadingProjectsToChild(ICascadingJob cascadingProject, String childProjectName) throws IOException {
if (cascadingProject != null) {
cascadingProject.addCascadingChild(childProjectName);
if (cascadingProject.hasCascadingProject()) {
linkCascadingProjectsToChild(cascadingProject.getCascadingProject(), childProjectName);
}
}
}
/**
* Updates the name of the project in all children cascading references. If
* this project uses some cascading parent, the name of this project will be
* renamed in the cascading children collection of the cascading parent
* project.
*
* @param cascadingProject cascading project.
* @param oldName old project name.
* @param newName new project name.
* @throws java.io.IOException if cascading project couldn't be saved.
*/
public static void renameCascadingChildLinks(ICascadingJob cascadingProject, String oldName, String newName)
throws IOException {
if (cascadingProject != null) {
cascadingProject.renameCascadingChildName(oldName, newName);
if (cascadingProject.hasCascadingProject()) {
renameCascadingChildLinks(cascadingProject.getCascadingProject(), oldName, newName);
}
}
}
/**
* Updates the name of the project in all parent cascading references. If
* this project is used as cascading parent, it's name will be renamed in
* all children projects.
*
* @param oldName old project name.
* @param newName new project name.
*/
public static void renameCascadingParentLinks(final String oldName, final String newName) throws IOException {
if (StringUtils.isBlank(newName) || StringUtils.isBlank(oldName)) {
return;
}
for (Job job : Hudson.getInstance().getAllItems(Job.class)) {
if (oldName.equals(job.getCascadingProjectName())) {
job.renameCascadingProjectNameTo(newName);
}
}
}
/**
* Returns possible cascading parents for current job, which are filtered by
* type and checked for avoidness cyclic dependency
*
* @param type project type.
* @param currentJob current job instance
* @param Item
* @return list of cascading parents.
*/
@SuppressWarnings("unchecked")
public static List getCascadingParents(Class type, Job currentJob) {
Job currentParent = currentJob.getCascadingProject();
if (type.isInstance(currentParent) && !currentParent.hasPermission(Item.READ)) {
return Collections.EMPTY_LIST; // user can't see parent so don't let them change it
}
List allItems = Hudson.getInstance().getAllItems(type);
List result = new ArrayList(allItems.size());
for (T item : allItems) {
Job job = (Job) item;
if (!StringUtils.equals(currentJob.getName(), job.getName())
&& !hasCyclicCascadingLink(job, currentJob.getCascadingChildrenNames())) {
result.add(job);
}
}
return result;
}
/**
* Creates
* {@link org.eclipse.hudson.model.project.property.ExternalProjectProperty}
* based on Descriptors collection, StaplerRequest and JSON resonse.
*
* @param req StaplerRequest
* @param json JSONObject
* @param descriptors list of descriptors
* @param owner job to be updated.
* @param Describable
* @throws Descriptor.FormException if any.
*/
@SuppressWarnings("unchecked")
public static > void buildExternalProperties(StaplerRequest req, JSONObject json,
List> descriptors, Job owner)
throws Descriptor.FormException {
for (Descriptor d : descriptors) {
String name = d.getJsonSafeClassName();
ExternalProjectProperty baseProperty = getExternalProjectProperty(owner, name);
Describable describable = null;
if (json.has(name)) {
describable = d.newInstance(req, json.getJSONObject(name));
}
baseProperty.setValue(describable);
}
}
/**
* Sets trigger for job and all its children if necessary.
*
* @param job parentJob
* @param descriptor trigger descriptor
* @param key trigger property key
* @param req stapler request
* @param json submited json
* @throws hudson.model.Descriptor.FormException if incorrect parameters
*/
@SuppressWarnings("unchecked")
public static void setChildrenTrigger(Job job, TriggerDescriptor descriptor, String key, StaplerRequest req,
JSONObject json) throws Descriptor.FormException {
TriggerProjectProperty property = CascadingUtil.getTriggerProjectProperty(job, key);
if (property.getValue() != null) {
property.getValue().stop();
}
Trigger trigger = null;
if (json.has(key)) {
trigger = descriptor.newInstance(req, json.getJSONObject(key));
trigger.start(job, true);
}
property.setValue(trigger);
if (property.isOverridden()) {
//Trigger value is overriden, so remove the job from the cascading parent trigger (see 457650)
Trigger parentTrigger = findCascadingParentTrigger(job.getCascadingProject(), key);
if (parentTrigger != null) {
parentTrigger.removeJob(job);
}
} else {
//Make sure the job is in the parent job trigger (if exists) (see 457654)
Trigger parentTrigger = findCascadingParentTrigger(job.getCascadingProject(), key);
if (parentTrigger != null) {
if (!parentTrigger.hasJob(job)) {
parentTrigger.addJob(job);
}
}
}
Set cascadingChildrenNames = job.getCascadingChildrenNames();
if (null != cascadingChildrenNames) {
for (String childName : cascadingChildrenNames) {
Job childJob = (Job) Hudson.getInstance().getItem(childName);
if (null != childJob && StringUtils.equals(job.getName(), childJob.getCascadingProjectName())) {
TriggerProjectProperty childProperty = CascadingUtil.getTriggerProjectProperty(childJob, key);
if (!childProperty.isOverridden()) {
setChildrenTrigger(childJob, descriptor, key, req, json);
} else if (!childProperty.allowOverrideValue(trigger, childProperty.getValue())) {
childProperty.setOverridden(false);
}
if (childJob instanceof AbstractProject) {
((AbstractProject) childJob).updateTransientActions();
}
}
}
}
}
private static Trigger findCascadingParentTrigger(Job parent, String propertyKey) {
Trigger parentTrigger = null;
if (parent != null) {
TriggerProjectProperty parentTriggerProperty = CascadingUtil.getTriggerProjectProperty(parent, propertyKey);
if (parentTriggerProperty.getValue() != null) {
parentTrigger = parentTriggerProperty.getValue();
} else {
parentTrigger = findCascadingParentTrigger(parent.getCascadingProject(), propertyKey);
}
}
return parentTrigger;
}
/**
* Sets parameterDefinitionProperties for current job. This method is
* recursively executed for cascading children for setting valid
* {@link ParametersDefinitionProperty#owner} value.
*
* @param job job.
* @param key parameter key,
* @param parameterDefinitionProperties new properties to set.
*/
@SuppressWarnings("unchecked")
public static void setParameterDefinitionProperties(Job job,
String key,
CopyOnWriteList parameterDefinitionProperties) {
CopyOnWriteListProjectProperty projectProperty = getCopyOnWriteListProjectProperty(job, key);
CopyOnWriteList pdProperties = new CopyOnWriteList();
//Create new instance for each parameter in order to set owner and use in cascading children.
for (ParametersDefinitionProperty pdp : parameterDefinitionProperties) {
ParametersDefinitionProperty copiedDefinitionProperty = new ParametersDefinitionProperty(
new ArrayList(pdp.getParameterDefinitions()));
copiedDefinitionProperty.setOwner((AbstractProject) job);
pdProperties.add(copiedDefinitionProperty);
}
projectProperty.setValue(pdProperties);
Set cascadingChildrenNames = job.getCascadingChildrenNames();
//Iterate through cascading children and recursively update property for each child.
if (null != cascadingChildrenNames) {
for (String childName : cascadingChildrenNames) {
Job childJob = (Job) Hudson.getInstance().getItem(childName);
//Check only direct children in order to avoid deep checking for properties overridden properties.
if (null != childJob && StringUtils.equals(job.getName(), childJob.getCascadingProjectName())) {
CopyOnWriteListProjectProperty childProperty = getCopyOnWriteListProjectProperty(childJob, key);
//If child value is equal to parent - mark this value as unmodified.
if (!childProperty.allowOverrideValue(childProperty.getValue(), pdProperties)) {
childProperty.setOverridden(false);
} else if (!childProperty.isOverridden()) {
//If child property was not overridden, update this property and cascading children if any.
setParameterDefinitionProperties(childJob, key, parameterDefinitionProperties);
}
}
}
}
}
/**
* Checks whether JobProperty supports cascading. Method skips
* {@link AuthorizationMatrixProperty} and
* {@link ParametersDefinitionProperty} classes.
* {@link AuthorizationMatrixProperty} doesn't support cascading for now. As
* for {@link ParametersDefinitionProperty} single instance doesn't support
* cascading, so, classes are grouped into list of
* {@link ParametersDefinitionProperty} and whole list could be inherited or
* overridden.
*
* @param d property descriptor.
* @return true - if JobProperty could be used for cascading, false -
* otherwise.
* @see #setParameterDefinitionProperties(hudson.model.Job, String,
* CopyOnWriteList)
* @see hudson.model.Job#getParameterDefinitionProperties()
*/
public static boolean isCascadableJobProperty(JobPropertyDescriptor d) {
return !(d instanceof AuthorizationMatrixProperty.DescriptorImpl
|| d instanceof ParametersDefinitionProperty.DescriptorImpl);
}
}
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