Examples with ServiceTreeNode org.ovirt.engine.api.rsdl.ServiceTreeNode used on opensource projects

Example 1 with ServiceTreeNode

use of org.ovirt.engine.api.rsdl.ServiceTreeNode in project ovirt-engine by oVirt.

the class ResourceLocator method locateResource.

/**
 * Get the Resource class corresponding to the provided href
 * Assumption: href is of a location, not an action
 * (e.g: .../vms/{id} - good, .../vms/{id}/start - bad).
 * Another assumption is that href is not empty.
 */
public BaseBackendResource locateResource(String href) throws Exception {
    href = removePrefix(href);
    ServiceTreeCrawler crawler = new ServiceTreeCrawler(Arrays.asList(href.split("/")));
    BaseBackendResource resource = BackendApiResource.getInstance();
    ServiceTreeNode node = null;
    while (crawler.hasNext()) {
        node = crawler.next();
        if (node.isCollection()) {
            // collection context
            // getSubResource()
            Method method = resource.getClass().getMethod(node.getGetter());
            resource = (BaseBackendResource) method.invoke(resource);
        } else {
            // single entity context
            // getSubResource(String id)
            Method method = resource.getClass().getMethod(node.getGetter(), String.class);
            resource = (BaseBackendResource) method.invoke(resource, crawler.getCurrentPathSegment());
        }
    }
    return resource;
}

Example 2 with ServiceTreeNode

use of org.ovirt.engine.api.rsdl.ServiceTreeNode in project ovirt-engine by oVirt.

the class UsageFinder method getUsageLink.

private String getUsageLink(UriInfo uriInfo, String httpMethod) {
    List<PathSegment> pathSegments = uriInfo.getPathSegments();
    ServiceTreeNode node = ServiceTree.getTree();
    // step into the Service tree according to the URL.
    for (PathSegment pathSegment : pathSegments) {
        node = step(node, pathSegment);
    }
    // check whether the last step in the URL represent an 'action'.
    PathSegment lastPathSegment = pathSegments.get(pathSegments.size() - 1);
    // Get the prefix of the link, with or without 's' appended to the
    // entity name, according to whether this action is on a single entity
    // or on the collection context, e.g:
    // .../apidoc#services/vm/methods/start    //action on *vm*
    // .../apidoc#services/vms/methods/add     //action on *vms*
    // .../apidoc#services/vm/methods/update   //action on *vm*
    // .../apidoc#services/vm/methods/remove   //action on *vm*
    String link = getLinkPrefix(node);
    if (isAction(node, lastPathSegment.getPath())) {
        link += camelCaseToUnderscore(getAction(node, lastPathSegment.getPath()));
    } else {
        link += getMethodName(httpMethod);
    }
    return link;
}

Example 3 with ServiceTreeNode

use of org.ovirt.engine.api.rsdl.ServiceTreeNode in project ovirt-engine by oVirt.

the class AbstractBackendResource method getSubCollections.

/**
 * Returns an array with the names of subcollections of this resource,
 * e.g, for BackendVmResource: ["affinitylabels", "applications", "cdroms",
 * "diskattachments", "graphicsconsoles", "hostdevices", "katelloerrata"...]
 */
protected String[] getSubCollections() {
    Set<Class<?>> interfaces = getInterfaces();
    List<String> subCollections = new ArrayList<>();
    for (Class<?> clazz : interfaces) {
        ServiceTreeNode node = getRequiredNode(clazz);
        if (node != null) {
            addSubCollections(node, subCollections);
        }
    }
    return subCollections.toArray(new String[0]);
}