/**
* Add Mixin definition.
*
* @param representation
* @return added mixin definition and status
*/
@Put
public String putOCCIRequest() {
// set occi version info
getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));
LOGGER.debug("Analyzing header information");
StringBuffer buffer = new StringBuffer();
Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");
LOGGER.info("Request header: " + requestHeaders);
String categoryCase = OcciCheck.checkCaseSensitivity(requestHeaders.toString()).get("category");
String[] header;
// if there is no category in header, its a bad request
if (requestHeaders.getFirstValue(categoryCase) != null) {
header = requestHeaders.getFirstValue(categoryCase).split(";");
} else {
getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST, buffer.toString());
return " ";
}
String scheme = "";
for (int i = 0; i < header.length; i++) {
header[i] = header[i].trim();
if (header[i].contains("scheme=")) {
if (header[i].contains("\"")) {
scheme = header[i].substring(8, header[i].length() - 1);
} else {
scheme = header[i].substring(7, header[i].length());
}
LOGGER.info("scheme: " + scheme);
}
}
Set<Mixin> related = new HashSet<Mixin>();
try {
// iterate through all mixins to find the related
for (Mixin mixin : Mixin.getMixins()) {
if (mixin.getScheme().toString() == requestHeaders.getFirstValue("rel")) {
related.add(mixin);
}
}
String term = header[0];
String title = header[0];
LOGGER.debug("term: " + term);
LOGGER.debug("title: " + title);
// create new mixin instance
new Mixin(related, term, title, scheme, null);
LOGGER.debug("Created mixin");
} catch (Exception e) {
getResponse().setStatus(Status.CLIENT_ERROR_NOT_ACCEPTABLE, buffer.toString());
return "Exception caught " + e.getMessage();
}
// access the request headers and get the Accept attribute
Representation representation =
OcciCheck.checkContentType(requestHeaders, buffer.append(" "), getResponse());
getResponse().setEntity(representation);
// getResponse().setStatus(Status.SUCCESS_OK);
return " ";
}
/**
* 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 " ";
}
/**
* Delete a existing mixin definition. If it does not exist 404 Not Found Exception.
*
* @param representation
* @return removed mixin defintion and status
*/
@Delete
public String deleteOCCIRequest(Representation representation) {
// set occi version info
getServerInfo().setAgent(OcciConfig.getInstance().config.getString("occi.version"));
StringBuffer buffer = new StringBuffer();
// save header information
Form requestHeaders = (Form) getRequest().getAttributes().get("org.restlet.http.headers");
String requestCategory = "";
String categoryCase = OcciCheck.checkCaseSensitivity(requestHeaders.toString()).get("category");
// match category and Category
if (requestHeaders.getFirstValue(categoryCase) != null) {
// get header values
requestCategory = requestHeaders.getFirstValue(categoryCase);
} else {
// set status code bad request
getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST);
return " ";
}
requestCategory = OcciCheck.addWhitespaceAfterSemicolonAndTrim(requestCategory);
// print header information
LOGGER.debug("Request Header: " + requestCategory);
StringTokenizer categoryList = new StringTokenizer(requestCategory);
HashMap<String, Object> categoryMap = new HashMap<String, Object>();
// fill category map with header information
while (categoryList.hasMoreTokens()) {
// store header information in seperate array fields
String[] temp = categoryList.nextToken().split("\\=");
LOGGER.debug("Category List: " + temp[0]);
if (temp.length > 1) {
LOGGER.debug("Category List: " + temp[0] + "\t" + temp[1]);
if (temp[0] != null && temp[1] != null) {
// remove leading, trailing whitespaces and add whitespaces
// between semicolons
temp[0] = OcciCheck.addWhitespaceAfterSemicolonAndTrim(temp[0]);
temp[1] = OcciCheck.addWhitespaceAfterSemicolonAndTrim(temp[1]);
categoryMap.put(temp[0], temp[1]);
}
} else {
if (temp[0].contains(";")) {
temp[0] = temp[0].replace(";", "");
}
categoryMap.put(categoryCase, temp[0]);
}
}
// iterate through all mixin instances
for (Mixin mixin : Mixin.getMixins()) {
// if the request parameter match a existing mixin definition,
// delete the definition
LOGGER.info(
"Category Map: " + categoryMap.get(categoryCase) + "\t mixin title: " + mixin.getTitle());
if (mixin.getTitle().equals(categoryMap.get(categoryCase))) {
Mixin.getMixins().remove(mixin);
mixin = null;
// access the request headers and get the Accept attribute
representation =
OcciCheck.checkContentType(requestHeaders, buffer.append(" "), getResponse());
// set representation
getResponse().setEntity(representation);
// getResponse().setStatus(Status.SUCCESS_OK,
// buffer.toString());
return " ";
}
}
buffer.append("Mixin definition not found");
getResponse().setStatus(Status.CLIENT_ERROR_PRECONDITION_FAILED, buffer.toString());
return buffer.toString();
}
