Examples of org.restlet.ext.jaxrs.internal.wrappers.ResourceObject

Package org.restlet.ext.jaxrs.internal.wrappers

Examples of org.restlet.ext.jaxrs.internal.wrappers.ResourceObject

org.restlet.ext.jaxrs.internal.wrappers.ResourceObject
An instance wraps a JAX-RS resource object. See section 3 of JAX-RS specification. @author Stephan Koops

     *            The {@link Response} to update.
     */
    @Override
    public void handle(Request request, Response response) {
        super.handle(request, response);
        ResourceObject resourceObject = null;
        final Reference baseRef = request.getResourceRef().getBaseRef();
        request.setRootRef(new Reference(baseRef.toString()));
        // NICE Normally, the "rootRef" property is set by the VirtualHost, each
        // time a request is handled by one of its routes.
        // Email from Jerome, 2008-09-22

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        CallContext callContext = tlContext.get();
        org.restlet.data.Method httpMethod = callContext.getRequest()
                .getMethod();
        // 3. Identify the method that will handle the request:
        // (a)
        ResourceObject resObj = resObjAndRemPath.resourceObject;
        RemainingPath u = resObjAndRemPath.u;
        // (a) 1
        ResourceClass resourceClass = resObj.getResourceClass();
        Collection<ResourceMethod> resourceMethods = resourceClass
                .getMethodsForPath(u);
        if (resourceMethods.isEmpty())
            excHandler.resourceMethodNotFound();// NICE (resourceClass, u);
        // (a) 2: remove methods not support the given method
        boolean alsoGet = httpMethod.equals(Method.HEAD);
        removeNotSupportedHttpMethod(resourceMethods, httpMethod, alsoGet);
        if (resourceMethods.isEmpty()) {
            Set<Method> allowedMethods = resourceClass.getAllowedMethods(u);
            if (httpMethod.equals(Method.OPTIONS)) {
                callContext.getResponse().getAllowedMethods()
                        .addAll(allowedMethods);
                throw new RequestHandledException();
            }
            excHandler.methodNotAllowed(allowedMethods);
        }
        // (a) 3
        if (givenMediaType != null) {
            Collection<ResourceMethod> supporting = resourceMethods;
            resourceMethods = new ArrayList<ResourceMethod>();
            for (ResourceMethod resourceMethod : supporting) {
                if (resourceMethod.isGivenMediaTypeSupported(givenMediaType))
                    resourceMethods.add(resourceMethod);
            }
            if (resourceMethods.isEmpty())
                excHandler.unsupportedMediaType(supporting);
        }
        // (a) 4
        SortedMetadata<MediaType> accMediaTypes = callContext
                .getAccMediaTypes();
        Collection<ResourceMethod> supporting = resourceMethods;
        resourceMethods = new ArrayList<ResourceMethod>();
        for (ResourceMethod resourceMethod : supporting) {
            if (resourceMethod.isAcceptedMediaTypeSupported(accMediaTypes))
                resourceMethods.add(resourceMethod);
        }
        if (resourceMethods.isEmpty()) {
            excHandler.noResourceMethodForAccMediaTypes(supporting);
        }
        // (b) and (c)
        ResourceMethod bestResourceMethod = getBestMethod(resourceMethods,
                givenMediaType, accMediaTypes, httpMethod);
        MatchingResult mr = bestResourceMethod.getPathRegExp().match(u);
        addPathVarsToMap(mr, callContext);
        String matchedUriPart = mr.getMatched();
        if (matchedUriPart.length() > 0) {
            Object jaxRsResObj = resObj.getJaxRsResourceObject();
            callContext.addForMatched(jaxRsResObj, matchedUriPart);
        }
        return new ResObjAndMeth(resObj, bestResourceMethod);
    }

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        // (f)
        PathRegExp rMatch = tClass.getPathRegExp();
        MatchingResult matchResult = rMatch.match(u);
        u = matchResult.getFinalCapturingGroup();
        addPathVarsToMap(matchResult, tlContext.get());
        ResourceObject o = instantiateRrc(tClass);
        return new RroRemPathAndMatchedPath(o, u, matchResult.getMatched());
    }

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     *             If an Exception was thrown and the request is already
     *             handeled.
     */
    private ResourceObject instantiateRrc(RootResourceClass rrc)
            throws WebApplicationException, RequestHandledException {
        ResourceObject o;
        try {
            o = rrc.getInstance(this.objectFactory);
        } catch (WebApplicationException e) {
            throw e;
        } catch (RuntimeException e) {

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     * @throws RuntimeException
     */
    private ResObjAndRemPath obtainObject(
            RroRemPathAndMatchedPath rroRemPathAndMatchedPath)
            throws WebApplicationException, RequestHandledException {
        ResourceObject o = rroRemPathAndMatchedPath.rootResObj;
        RemainingPath u = rroRemPathAndMatchedPath.u;
        ResourceClass resClass = o.getResourceClass();
        CallContext callContext = tlContext.get();
        callContext.addForMatched(o.getJaxRsResourceObject(),
                rroRemPathAndMatchedPath.matchedUriPath);
        // Part 2
        for (;;) // (j)
        {
            // (a) If U is null or '/' go to step 3
            if (u.isEmptyOrSlash()) {
                return new ResObjAndRemPath(o, u);
            }
            // (b) Set C = class ofO,E = {}
            Collection<ResourceMethodOrLocator> eWithMethod = new ArrayList<ResourceMethodOrLocator>();
            // (c) and (d) Filter E: remove members do not match U or final
            // match not empty
            for (ResourceMethodOrLocator methodOrLocator : resClass
                    .getResourceMethodsAndLocators()) {
                PathRegExp pathRegExp = methodOrLocator.getPathRegExp();
                MatchingResult matchingResult = pathRegExp.match(u);
                if (matchingResult == null)
                    continue;
                if (matchingResult.getFinalCapturingGroup().isEmptyOrSlash())
                    eWithMethod.add(methodOrLocator);
                // the following is added by Stephan (is not in spec 2008-03-06)
                else if (methodOrLocator instanceof SubResourceLocator)
                    eWithMethod.add(methodOrLocator);
            }
            // (e) If E is empty -> HTTP 404
            if (eWithMethod.isEmpty())
                excHandler.resourceNotFound();// NICE (o.getClass(), u);
            // (f) and (g) sort E, use first member of E
            ResourceMethodOrLocator firstMeth = getFirstByNoOfLiteralCharsNoOfCapturingGroups(eWithMethod);


            PathRegExp rMatch = firstMeth.getPathRegExp();
            MatchingResult matchingResult = rMatch.match(u);


            addPathVarsToMap(matchingResult, callContext);


            // (h) When Method is resource method
            if (firstMeth instanceof ResourceMethod)
                return new ResObjAndRemPath(o, u);
            String matchedUriPart = matchingResult.getMatched();
            Object jaxRsResObj = o.getJaxRsResourceObject();
            callContext.addForMatched(jaxRsResObj, matchedUriPart);


            // (g) and (i)
            u = matchingResult.getFinalCapturingGroup();
            SubResourceLocator subResourceLocator = (SubResourceLocator) firstMeth;
            o = createSubResource(o, subResourceLocator, callContext);
            resClass = o.getResourceClass();
            // (j) Go to step 2a (repeat for)
        }
    }

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org.restlet.ext.jaxrs.JaxRsRestlet

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