@Override
public ResourceList getChildren() throws NotAuthorizedException, BadRequestException {
if (children == null) {
children = new ResourceList();
Set<AnnoResource> set = annoFactory.childrenOfAnnotationHandler.execute(this);
for (AnnoResource r : set) {
children.add(r);
}
// Now add any temp lock resources
for (LockHolder holder : annoFactory.getTempResourcesForParent(this)) {
CommonResource cr = annoFactory.instantiate(holder, this);
children.add(cr);
}
// if there are singly loaded items we must replace their dopple-ganger in children
// because there might already be references to those resource objects elsewhere in code
// and having two objects representing the same resource causes unpredictable chaos!!!
if (singlyLoadedChildItems != null) {
for (CommonResource r : singlyLoadedChildItems) {
children.remove(r.getName());
children.add(r);
}
}
}
return children;
}
@Override
public Resource createNew(
String newName, InputStream inputStream, Long length, String contentType)
throws IOException, ConflictException, NotAuthorizedException, BadRequestException {
Object newChildSource =
annoFactory.putChildAnnotationHandler.execute(
source, newName, inputStream, length, contentType);
AnnoCollectionResource newRes = new AnnoCollectionResource(annoFactory, newChildSource, this);
if (children != null) {
CommonResource oldRes = children.get(newName);
if (oldRes != null) {
children.remove(oldRes);
}
children.add(newRes);
}
return newRes;
}
@Override
public LockToken createAndLock(String name, LockTimeout timeout, LockInfo lockInfo)
throws NotAuthorizedException {
LockHolder r = annoFactory.createLockHolder(this, name, timeout, lockInfo);
if (children != null) {
CommonResource cr = annoFactory.instantiate(r, parent);
children.add(cr);
}
return new LockToken(r.getId().toString(), lockInfo, timeout);
}
@Override
public CollectionResource createCollection(String newName)
throws NotAuthorizedException, ConflictException, BadRequestException {
Object newlyCreatedSource = annoFactory.makCollectionAnnotationHandler.execute(source, newName);
AnnoCollectionResource r = new AnnoCollectionResource(annoFactory, newlyCreatedSource, this);
if (children != null) {
children.add(r);
}
return r;
}
/**
* Reads a line of text. The line of text is passed to the parseText method where it is parsed and
* a Resource object is returned. The Resource object is then added to the list. When a null is
* read from the Resource file the method terminates and returns the list to the caller. A list
* that points to null is an empty list.
*
* @param inputFile
* @return The list of drivers
*/
public ResourceList readResourceListFromFile(String inputFile) {
String text; // Line of text from the file
boolean done; // End of the file - stop processing
// New resorce list object - this will contain all of the resources in
// the file
ResourceList listObject = new ResourceList();
if (openFile(inputFile)) {
done = false;
while (!done) {
try {
text = readLineOfText();
if (text == null) {
done = true;
} else {
listObject.addResource(parseText(text));
} // if
} // try
catch (Exception Error) {
return (null);
} // catch
} // while
} else {
return (null);
} // if
return (listObject);
} // readTeacherListFromFile
void removeLockHolder(String name) {
if (children != null) {
Iterator<CommonResource> it = children.iterator();
while (it.hasNext()) {
Resource r = it.next();
if (r instanceof LockNullResource && r.getName().equals(name)) {
it.remove();
}
}
}
}
@Override
public Resource child(String childName) throws NotAuthorizedException, BadRequestException {
if (children == null) {
// attempt to locate singly, ie without loading entire list of children
// first check if it has already been loaded singly
if (singlyLoadedChildItems != null && singlyLoadedChildItems.hasChild(childName)) {
return singlyLoadedChildItems.get(childName);
}
// try to load singly using ChildOf annotation, if present
// childTriValue can be null, the child source object, or a special value indicating no search
Object childTriValue = annoFactory.childOfAnnotationHandler.execute(this, childName);
if (childTriValue == null) {
// return null; // definitely not found
// well, actually. ChildOf can just apply to a certain sort of child, so if its not found
// that doesnt mean that there might not be some othe child
// so we can't assume in any circumstance that a null means not found. Must always fall
// through to ChildrenOf
} else if (childTriValue.equals(ChildOfAnnotationHandler.NOT_ATTEMPTED)) {
// there is no ChildOf method, so fall through to iterating over all children
} else {
// got one!
AnnoResource r = (AnnoResource) childTriValue;
if (singlyLoadedChildItems == null) {
singlyLoadedChildItems = new ResourceList();
}
singlyLoadedChildItems.add(r);
return r;
}
}
for (Resource r : getChildren()) {
if (r.getName().equals(childName)) {
return r;
}
}
return null;
}
private Collection<String> validateActions(
ResourceList actions, Map<String, String> dimensionMap, String name)
throws CloudWatchException {
Collection<String> actionsCollection = null;
if (actions != null) {
actionsCollection = actions.getMember();
;
}
if (actionsCollection == null) {
return actionsCollection;
}
if (actionsCollection.size() > 5) {
throw new InvalidParameterValueException(
"The collection " + name + " must not have a size greater than 5.");
}
int ctr = 1;
for (String action : actionsCollection) {
validateAction(action, dimensionMap, name + ".member." + ctr);
ctr++;
}
return actionsCollection;
}
