/** Creates the list with link instances necessary for the query list. */
private void createQueryLinks() {
NetworkInterface.generateAttributeList();
StorageLink.generateAttributeList();
try {
Link storageLink = new Link(null, null);
Set<Kind> storageRelated = new HashSet<Kind>();
storageRelated.add(
new Kind(
null,
null,
null,
null,
"storagelink",
"storagelink",
"http://schemas.ogf.org/occi/infrastructure#link",
StorageLink.attributes));
storageLink.setKind(
new Kind(
null,
storageRelated,
null,
null,
"storagelink",
"storagelink",
"http://schemas.ogf.org/occi/infrastructure#",
StorageLink.attributes));
queryLinks.add(storageLink);
Set<Kind> networkInterfaceRelated = new HashSet<Kind>();
networkInterfaceRelated.add(
new Kind(
null,
null,
null,
null,
"networkinterface",
"networkinterface",
"http://schemas.ogf.org/occi/infrastructure#link",
NetworkInterface.getAttributes()));
Link networkInterface = new Link(null, null);
networkInterface.setKind(
new Kind(
null,
networkInterfaceRelated,
null,
null,
"networkinterface",
"networkinterface",
"http://schemas.ogf.org/occi/infrastructure#",
NetworkInterface.getAttributes()));
queryLinks.add(networkInterface);
} catch (SchemaViolationException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
/**
* Returns all available resources.
*
* @return ComputeResource String
*/
@Get
public String getOCCIRequest() {
// set occi version
getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));
LOGGER.debug("getReference().getLastSegment(): " + getReference().getLastSegment());
// if there is something behind -, set bad request
if (!getReference().getLastSegment().equals("-")) {
getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
return "There are no resources at the query interface.";
}
createQueryKinds();
createQueryLinks();
createQueryMixins();
StringBuffer buffer = new StringBuffer();
/*
* Print all properties of the kind instance
*/
for (Kind kind : queryKinds) {
if (kind != null) {
buffer.append("Category: " + kind.getTerm() + ";");
buffer.append(" scheme=\"" + kind.getScheme() + "\";");
// buffer.append("\r\n");
buffer.append(" class=\"kind\"");
buffer.append("\r\n");
// append related scheme to buffer, if kind has a related kind
if (kind.getRelated() != null) {
for (Kind related : kind.getRelated()) {
if (related != null) {
buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
}
}
}
buffer.append("\t\t attributes=\"");
if (kind.getAttributes() != null) {
for (String attribute : kind.getAttributes()) {
if (attribute != null) {
buffer.append(attribute).append(" ");
}
}
}
buffer.append("\";\n");
buffer.append("\t\t actions=");
for (String actionName : kind.getActionNames()) {
if (actionName != null) {
buffer.append(actionName).append(" ");
}
}
buffer.append(";");
buffer.append("\r\n");
buffer.append("\t\t location=/").append(kind.getTerm()).append("/;");
buffer.append("\r\n");
}
}
/*
* Print all link properties.
*/
for (Link link : queryLinks) {
if (link != null) {
buffer.append("Category: ").append(link.getKind().getTerm()).append(";");
buffer.append("\t\t scheme=\"").append(link.getKind().getScheme()).append("\";");
buffer.append("\r\n");
buffer.append("\t\t class=\"link\";");
buffer.append("\r\n");
// append related scheme to buffer, if kind has a related kind
if (link.getKind().getRelated() != null) {
for (Kind related : link.getKind().getRelated()) {
if (related != null) {
buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
}
}
}
buffer.append("\t\t attributes=\"");
if (link.getKind().getAttributes() != null) {
for (String attribute : link.getKind().getAttributes()) {
if (attribute != null) {
buffer.append(attribute + " ");
}
}
}
buffer.append("\";\n");
buffer.append("\t\t actions=");
for (String actionName : link.getKind().getActionNames()) {
if (actionName != null) {
buffer.append(actionName).append(" ");
}
}
buffer.append(";");
buffer.append("\r\n");
buffer.append("\t\t location=/").append(link.getKind().getTerm()).append("/;");
buffer.append("\r\n");
}
}
/*
* Print all properties of the mixin instance
*/
if (ipNetworkInterface != null) {
buffer.append("Category: ").append(ipNetworkInterface.getTitle()).append(";");
buffer.append("\t\t scheme=\"").append(ipNetworkInterface.getScheme()).append("\";");
buffer.append("\r\n");
buffer.append("\t\t class=\"mixin\"");
buffer.append("\r\n");
// append related scheme to buffer, if kind has a related
// kind
if (ipNetworkInterface.getRelated() != null) {
for (Mixin related : ipNetworkInterface.getRelated()) {
if (related != null) {
buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
}
}
}
buffer.append("\t\t attributes=\"");
if (ipNetworkInterface.getAttributes() != null) {
for (String attribute : ipNetworkInterface.getAttributes()) {
if (attribute != null) {
buffer.append(attribute).append(" ");
}
}
}
buffer.append("\";\n");
buffer.append("\t\t location=/").append(ipNetworkInterface.getTerm()).append("/;");
buffer.append("\r\n");
}
/*
* Print all properties of the mixin instance
*/
for (Mixin mixin : Mixin.getMixins()) {
if (mixin != null && !mixin.getTerm().equals("ipnetwork")) {
buffer.append("Category: " + mixin.getTitle()).append(";");
buffer.append("\r\n");
buffer.append("\t\t class=\"mixin\"");
buffer.append("\r\n");
// append related scheme to buffer, if kind has a related
// kind
if (mixin.getRelated() != null) {
for (Mixin related : mixin.getRelated()) {
if (related != null) {
buffer.append("\t\t rel=").append(related.getScheme()).append(";\n");
}
}
}
buffer.append("\t\t scheme=").append(mixin.getScheme()).append(";");
buffer.append("\r\n");
buffer.append("\t\t location=/").append(mixin.getTerm()).append("/;");
buffer.append("\r\n");
}
}
buffer.append("\r\n");
// Generate all action names list
Network.generateActionNames();
Storage.generateActionNames();
Compute.generateActionNames();
/*
* Print all action names.
*/
for (String computeAction : Compute.getActionNames()) {
if (computeAction.contains("#")) {
buffer
.append("Category: " + computeAction.substring(computeAction.lastIndexOf("#") + 1))
.append(";");
} else {
buffer.append("Cagegory: action;");
}
buffer
.append(" scheme=\"" + computeAction.substring(0, computeAction.lastIndexOf("#") + 1))
.append("\"\n");
if (computeAction.contains("#start")) {
// buffer.append(" attributes: ");
} else if (computeAction.contains("#stop")) {
// buffer.append(" attributes: "
// + StopAction.getStopAttributesAsString() + " ");
} else if (computeAction.contains("#restart")) {
// buffer.append(" attributes: "
// + RestartAction.getRestartAttributesAsString()
// + " ");
} else if (computeAction.contains("#suspend")) {
// buffer.append(" attributes: "
// + SuspendAction.getSuspendAttributesAsString()
// + " ");
}
}
for (String storageAction : Storage.getActionNames()) {
if (storageAction.contains("#")) {
buffer
.append("Category: ")
.append(storageAction.substring(storageAction.lastIndexOf("#") + 1))
.append(";");
} else {
buffer.append("Cagegory: action;");
}
buffer
.append("\t\t scheme=\"")
.append(storageAction.substring(0, storageAction.lastIndexOf("#") + 1))
.append("\"\n");
}
for (String networkAction : Network.getActionNames()) {
if (networkAction.contains("#")) {
buffer
.append("Category: " + networkAction.substring(networkAction.lastIndexOf("#") + 1))
.append(";");
} else {
buffer.append("Cagegory: action;");
}
buffer
.append("\t\t scheme=\"" + networkAction.substring(0, networkAction.lastIndexOf("#") + 1))
.append("\"\n");
}
// access the request headers and get the Accept attribute of the
// Content-Type
Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");
Representation representation =
OcciCheck.checkContentType(requestHeaders, buffer, getResponse());
LOGGER.debug("Raw Request headers: " + requestHeaders.toString());
/*
* if content type equals text/occi, render query information in the
* header and NOT in the body
*/
if (representation.getMediaType().toString().equals("text/occi")) {
// Generate the header rendering if media-type equals text/occi
OcciCheck occiCheck = new OcciCheck();
occiCheck.setHeaderRendering((LinkedList<Kind>) queryKinds);
getResponse().setEntity(representation);
return " ";
}
// add content type and status to client response
getResponse().setEntity(representation);
return " ";
}