private String getFirstExistNodeAncestor(XcapResource resource, String nodeSelector)
throws XcapException {
XmlResource xmlResource = _dao.getNode(resource, nodeSelector);
if (xmlResource != null) return nodeSelector;
else {
int index = nodeSelector.lastIndexOf('/');
if (index != -1) {
String parent = nodeSelector.substring(0, index);
return getFirstExistNodeAncestor(resource, parent);
} else return null;
}
}
private void checkIfSameNodeSelected(XcapResourceImpl resource) throws XcapException {
if (!resource.getXcapUri().hasNodeSeparator() || resource.isCreation()) return;
try {
// boolean match =
// resource.getSelectedNode().matches(resource.getNodeSelector());
XmlResource xmlResource = _dao.getNode(resource);
boolean valid = false;
if (xmlResource == null) {
valid = resource.getAction().equals(DELETE);
} else {
Node node = xmlResource.getDom();
valid =
node.equals(resource.getSelectedResource().getDom())
&& resource.getAction().equals(PUT);
}
if (!valid) {
XcapException e1 =
new XcapException(
"Request no more select the same node", HttpServletResponse.SC_CONFLICT);
StringBuffer sb = new StringBuffer();
sb.append(XcapException.XCAP_ERROR_HEADER);
sb.append("<cannot-insert/>");
sb.append(XcapException.XCAP_ERROR_FOOTER);
e1.setContent(XcapException.XCAP_ERROR_CONTENT_TYPE, sb.toString().getBytes());
throw e1;
}
} catch (XcapException e) {
throw e;
} catch (Throwable e) {
XcapException e1 =
new XcapException(
"Cannot check if select the same node", HttpServletResponse.SC_CONFLICT, e);
StringBuffer sb = new StringBuffer();
sb.append(XcapException.XCAP_ERROR_HEADER);
sb.append("<cannot-insert/>");
sb.append(XcapException.XCAP_ERROR_FOOTER);
e1.setContent(XcapException.XCAP_ERROR_CONTENT_TYPE, sb.toString().getBytes());
throw e1;
}
}
public XcapResourceImpl getResource(
XcapUri xcapUri,
boolean isPut,
String requestUrlHead,
Map<String, String> requestNamespaceContext)
throws XcapException {
XcapResourceProcessor processor = _processors.get(xcapUri.getAuid());
if (processor == null)
throw new XcapException(
"Not supported auid: " + xcapUri.getAuid() + " in URI: " + xcapUri,
HttpServletResponse.SC_NOT_FOUND);
Document document = null;
XcapResourceImpl resource = new XcapResourceImpl();
resource.setXcapUri(xcapUri);
resource.setProcessor(processor);
XmlResource xmlResource = _dao.getDocument(xcapUri, isPut && !xcapUri.hasNodeSeparator());
if (xmlResource == null) {
if (isPut) {
locatingParent(xcapUri, requestUrlHead);
resource.setCreation(true);
return resource;
} else {
XcapException e =
new XcapException(
"Resource: " + xcapUri.getDocumentSelector() + " not found",
HttpServletResponse.SC_NOT_FOUND);
e.setLevel(Level.INFO);
throw e;
}
}
resource.setDocument(xmlResource);
// TODO check rootDirectory is in parent dir.
// TODO authenticate & authorization
if (_validateOnGet) {
try {
XcapUtil.validate(document, processor.getXsdSchema());
} catch (XcapException e) {
_log.warn("Unable to validated document:" + e.getMessage(), e);
}
}
if (resource.isAllDocument()) return resource;
String nodeSelector =
XcapUtil.insertDefaultNamespace(
xcapUri.getNodeSelector(), processor.getDefaultNamespacePrefix());
if (_log.isDebugEnabled())
_log.debug("select node " + nodeSelector + " in " + xcapUri.getDocumentSelector());
if (requestNamespaceContext == null) requestNamespaceContext = new HashMap<String, String>();
requestNamespaceContext.putAll(processor.getNamespaceContext());
resource.setNamespaceContext(requestNamespaceContext);
XmlResource xmlResource2 = _dao.getNode(resource, nodeSelector);
if (xmlResource2 == null) {
if (isPut) {
// XCAP 8.2.1. Locating the Parent
String parent =
locatingParent(resource, nodeSelector, xcapUri.getDocumentSelector(), requestUrlHead);
resource.setCreation(true);
NodeType nodeType;
String nodeName = nodeSelector.substring(parent.length());
// /@id is an attribute and /service[@id="1"] is an
// element
if (nodeName.indexOf('@') != -1 && nodeName.indexOf('[') == -1) {
nodeType = NodeType.ATTRIBUTE;
nodeName = nodeName.substring(nodeName.indexOf('@') + 1);
} else nodeType = NodeType.ELEMENT;
resource.setParent(parent, nodeType, nodeName);
} else {
XcapException e =
new XcapException(
"Resource: " + xcapUri + " not found (no node selected)",
HttpServletResponse.SC_NOT_FOUND);
e.setLevel(Level.INFO);
throw e;
}
} else {
resource.setCreation(false);
resource.setSelectedResource(xmlResource2);
}
return resource;
}
