/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#add(org.eclipse.californium.core.server.resources.Resource)
*/
@Override
public synchronized void add(Resource child) {
if (child.getName() == null) throw new NullPointerException("Child must have a name");
if (child.getParent() != null) child.getParent().delete(child);
children.put(child.getName(), child);
child.setParent(this);
for (ResourceObserver obs : observers) obs.addedChild(child);
}
/**
* Delete this resource from its parents and notify all observing CoAP clients that this resource
* is no longer accessible.
*/
public synchronized void delete() {
Resource parent = getParent();
if (parent != null) {
parent.delete(this);
}
if (isObservable()) {
clearAndNotifyObserveRelations(ResponseCode.NOT_FOUND);
}
}
/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#delete(org.eclipse.californium.core.server.resources.Resource)
*/
@Override
public synchronized boolean delete(Resource child) {
Resource deleted = delete(child.getName());
if (deleted == child) {
child.setParent(null);
child.setPath(null);
for (ResourceObserver obs : observers) obs.removedChild(child);
return true;
}
return false;
}
@Override
public void handlePOST(CoapExchange exchange) {
String payload = exchange.getRequestText();
String[] parts = payload.split("\\?");
String[] path = parts[0].split("/");
Resource resource = create(new LinkedList<String>(Arrays.asList(path)));
Response response = new Response(ResponseCode.CREATED);
response.getOptions().setLocationPath(resource.getURI());
exchange.respond(response);
}
/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#setName(java.lang.String)
*/
public synchronized void setName(String name) {
if (name == null) throw new NullPointerException();
String old = this.name;
// adjust parent if in tree
Resource parent = getParent();
if (parent != null) {
synchronized (parent) {
parent.delete(this);
this.name = name;
parent.add(this);
}
} else {
this.name = name;
}
adjustChildrenPath();
for (ResourceObserver obs : observers) obs.changedName(old);
}
/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#getEndpoints()
*/
public List<Endpoint> getEndpoints() {
if (parent == null) return Collections.emptyList();
else return parent.getEndpoints();
}
/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#getExecutor()
*/
public ExecutorService getExecutor() {
return parent != null ? parent.getExecutor() : null;
}
/**
* Adjust the path of all children. This method is invoked when the URI of this resource has
* changed, e.g., if its name or the name of an ancestor has changed.
*/
private void adjustChildrenPath() {
String childpath = path + name + /*since 23.7.2013*/ "/";
for (Resource child : children.values()) child.setPath(childpath);
}
/* (non-Javadoc)
* @see org.eclipse.californium.core.server.resources.Resource#setParent(org.eclipse.californium.core.server.resources.Resource)
*/
public void setParent(Resource parent) {
this.parent = parent;
if (parent != null) this.path = parent.getPath() + parent.getName() + "/";
adjustChildrenPath();
}
