private void handlingExistingClassPathEntry(
final DeploymentUnit deploymentUnit,
final ArrayDeque<RootEntry> resourceRoots,
final DeploymentUnit topLevelDeployment,
final VirtualFile topLevelRoot,
final Map<VirtualFile, ResourceRoot> subDeployments,
final Map<VirtualFile, AdditionalModuleSpecification> additionalModules,
final Set<VirtualFile> existingAccessibleRoots,
final ResourceRoot resourceRoot,
final Attachable target,
final VirtualFile classPathFile)
throws DeploymentUnitProcessingException {
if (existingAccessibleRoots.contains(classPathFile)) {
ServerLogger.DEPLOYMENT_LOGGER.debugf(
"Class-Path entry %s in %s ignored, as target is already accessible",
classPathFile, resourceRoot.getRoot());
} else if (additionalModules.containsKey(classPathFile)) {
final AdditionalModuleSpecification moduleSpecification =
additionalModules.get(classPathFile);
// as class path entries are exported, transitive dependencies will also be available
target.addToAttachmentList(
Attachments.CLASS_PATH_ENTRIES, moduleSpecification.getModuleIdentifier());
} else if (subDeployments.containsKey(classPathFile)) {
// now we need to calculate the sub deployment module identifier
// unfortunately the sub deployment has not been setup yet, so we cannot just
// get it from the sub deployment directly
final ResourceRoot otherRoot = subDeployments.get(classPathFile);
target.addToAttachmentList(
Attachments.CLASS_PATH_ENTRIES,
ModuleIdentifierProcessor.createModuleIdentifier(
otherRoot.getRootName(), otherRoot, topLevelDeployment, topLevelRoot, false));
} else {
ModuleIdentifier identifier =
createAdditionalModule(
resourceRoot,
topLevelDeployment,
topLevelRoot,
additionalModules,
classPathFile,
resourceRoots);
target.addToAttachmentList(Attachments.CLASS_PATH_ENTRIES, identifier);
}
}
/**
* We only allow a single deployment at a time to be run through the class path processor.
*
* <p>This is because if multiple sibling deployments reference the same item we need to make sure
* that they end up with the same external module, and do not both create an external module with
* the same name.
*/
public synchronized void deploy(final DeploymentPhaseContext phaseContext)
throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parent = deploymentUnit.getParent();
final DeploymentUnit topLevelDeployment = parent == null ? deploymentUnit : parent;
final VirtualFile topLevelRoot =
topLevelDeployment.getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
final ExternalModuleService externalModuleService =
topLevelDeployment.getAttachment(Attachments.EXTERNAL_MODULE_SERVICE);
final ResourceRoot deploymentRoot = deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT);
// These are resource roots that are already accessible by default
// such as ear/lib jars an web-inf/lib jars
final Set<VirtualFile> existingAccessibleRoots = new HashSet<VirtualFile>();
final Map<VirtualFile, ResourceRoot> subDeployments = new HashMap<VirtualFile, ResourceRoot>();
for (ResourceRoot root : DeploymentUtils.allResourceRoots(topLevelDeployment)) {
if (SubDeploymentMarker.isSubDeployment(root)) {
subDeployments.put(root.getRoot(), root);
} else if (ModuleRootMarker.isModuleRoot(root)) {
// top level module roots are already accessible, as they are either
// ear/lib jars, or jars that are already part of the deployment
existingAccessibleRoots.add(root.getRoot());
}
}
final ArrayDeque<RootEntry> resourceRoots = new ArrayDeque<RootEntry>();
if (deploymentUnit.getParent() != null) {
// top level deployments already had their exiting roots processed above
for (ResourceRoot root : DeploymentUtils.allResourceRoots(deploymentUnit)) {
if (ModuleRootMarker.isModuleRoot(root)) {
// if this is a sub deployment of an ear we need to make sure we don't
// re-add existing module roots as class path entries
// this will mainly be WEB-INF/(lib|classes) entries
existingAccessibleRoots.add(root.getRoot());
}
}
}
for (ResourceRoot root : DeploymentUtils.allResourceRoots(deploymentUnit)) {
// add this to the list of roots to be processed
resourceRoots.add(new RootEntry(deploymentUnit, root));
}
// build a map of the additional module locations
// note that if a resource root has been added to two different additional modules
// and is then referenced via a Class-Path entry the behaviour is undefined
final Map<VirtualFile, AdditionalModuleSpecification> additionalModules =
new HashMap<VirtualFile, AdditionalModuleSpecification>();
for (AdditionalModuleSpecification module :
topLevelDeployment.getAttachmentList(Attachments.ADDITIONAL_MODULES)) {
for (ResourceRoot additionalModuleResourceRoot : module.getResourceRoots()) {
additionalModules.put(additionalModuleResourceRoot.getRoot(), module);
}
}
// additional resource roots may be added as
while (!resourceRoots.isEmpty()) {
final RootEntry entry = resourceRoots.pop();
final ResourceRoot resourceRoot = entry.resourceRoot;
final Attachable target = entry.target;
// if this is a top level deployment we do not want to process sub deployments
if (SubDeploymentMarker.isSubDeployment(resourceRoot) && resourceRoot != deploymentRoot) {
continue;
}
final String[] items = getClassPathEntries(resourceRoot);
for (final String item : items) {
if (item.isEmpty()) {
continue;
}
// first try and resolve relative to the manifest resource root
final VirtualFile classPathFile = resourceRoot.getRoot().getParent().getChild(item);
// then resolve relative to the deployment root
final VirtualFile topLevelClassPathFile =
deploymentRoot.getRoot().getParent().getChild(item);
if (item.startsWith("/")) {
if (externalModuleService.isValid(item)) {
final ModuleIdentifier moduleIdentifier = externalModuleService.addExternalModule(item);
target.addToAttachmentList(Attachments.CLASS_PATH_ENTRIES, moduleIdentifier);
ServerLogger.DEPLOYMENT_LOGGER.debugf(
"Resource %s added as external jar %s", classPathFile, resourceRoot.getRoot());
} else {
ServerLogger.DEPLOYMENT_LOGGER.classPathEntryNotValid(
item, resourceRoot.getRoot().getPathName());
}
} else {
if (classPathFile.exists()) {
// we need to check that this class path item actually lies within the deployment
boolean found = false;
VirtualFile file = classPathFile.getParent();
while (file != null) {
if (file.equals(topLevelRoot)) {
found = true;
}
file = file.getParent();
}
if (!found) {
ServerLogger.DEPLOYMENT_LOGGER.classPathEntryNotValid(
item, resourceRoot.getRoot().getPathName());
} else {
handlingExistingClassPathEntry(
deploymentUnit,
resourceRoots,
topLevelDeployment,
topLevelRoot,
subDeployments,
additionalModules,
existingAccessibleRoots,
resourceRoot,
target,
classPathFile);
}
} else if (topLevelClassPathFile.exists()) {
boolean found = false;
VirtualFile file = topLevelClassPathFile.getParent();
while (file != null) {
if (file.equals(topLevelRoot)) {
found = true;
}
file = file.getParent();
}
if (!found) {
ServerLogger.DEPLOYMENT_LOGGER.classPathEntryNotValid(
item, resourceRoot.getRoot().getPathName());
} else {
handlingExistingClassPathEntry(
deploymentUnit,
resourceRoots,
topLevelDeployment,
topLevelRoot,
subDeployments,
additionalModules,
existingAccessibleRoots,
resourceRoot,
target,
topLevelClassPathFile);
}
} else {
ServerLogger.DEPLOYMENT_LOGGER.classPathEntryNotValid(
item, resourceRoot.getRoot().getPathName());
}
}
}
}
}