Examples with Resource org.structr.rest.resource.Resource used on opensource projects

Example 11 with Resource

use of org.structr.rest.resource.Resource in project structr by structr.

the class ResourceHelper method optimizeNestedResourceChain.

/**
 * Optimize the resource chain by trying to combine two resources to a new one
 *
 * @param securityContext
 * @param request
 * @param resourceMap
 * @param propertyView
 * @return finalResource
 * @throws FrameworkException
 */
public static Resource optimizeNestedResourceChain(final SecurityContext securityContext, final HttpServletRequest request, final Map<Pattern, Class<? extends Resource>> resourceMap, final Value<String> propertyView) throws FrameworkException {
    final List<Resource> resourceChain = ResourceHelper.parsePath(securityContext, request, resourceMap, propertyView);
    ViewFilterResource view = null;
    int num = resourceChain.size();
    boolean found = false;
    do {
        for (Iterator<Resource> it = resourceChain.iterator(); it.hasNext(); ) {
            Resource constr = it.next();
            if (constr instanceof ViewFilterResource) {
                view = (ViewFilterResource) constr;
                it.remove();
            }
        }
        found = false;
        try {
            for (int i = 0; i < num; i++) {
                Resource firstElement = resourceChain.get(i);
                Resource secondElement = resourceChain.get(i + 1);
                Resource combinedConstraint = firstElement.tryCombineWith(secondElement);
                if (combinedConstraint != null) {
                    // remove source constraints
                    resourceChain.remove(firstElement);
                    resourceChain.remove(secondElement);
                    // add combined constraint
                    resourceChain.add(i, combinedConstraint);
                    // signal success
                    found = true;
                }
            }
        } catch (Throwable t) {
        // ignore exceptions thrown here
        }
    } while (found);
    if (resourceChain.size() == 1) {
        Resource finalResource = resourceChain.get(0);
        if (view != null) {
            finalResource = finalResource.tryCombineWith(view);
        }
        if (finalResource == null) {
            // fall back to original resource
            finalResource = resourceChain.get(0);
        }
        return finalResource;
    } else {
        logger.warn("Resource chain evaluation for path {} resulted in {} entries, returning status code 400.", new Object[] { request.getPathInfo(), resourceChain.size() });
    }
    throw new IllegalPathException("Cannot resolve URL path");
}

Example 12 with Resource

use of org.structr.rest.resource.Resource in project structr by structr.

the class WrappedRestCommand method processMessage.

@Override
public void processMessage(final WebSocketMessage webSocketData) throws FrameworkException {
    final Map<String, Object> nodeData = webSocketData.getNodeData();
    final String method = (String) nodeData.get("method");
    if (method == null || !(method.equals("POST") || method.equals("PUT"))) {
        logger.warn("Method not supported: {}", method);
        getWebSocket().send(MessageBuilder.wrappedRest().code(422).message("Method not supported: " + method).build(), true);
        return;
    }
    ResourceProvider resourceProvider;
    try {
        resourceProvider = UiResourceProvider.class.newInstance();
    } catch (Throwable t) {
        logger.error("Couldn't establish a resource provider", t);
        getWebSocket().send(MessageBuilder.wrappedRest().code(422).message("Couldn't establish a resource provider").build(), true);
        return;
    }
    final Map<Pattern, Class<? extends Resource>> resourceMap = new LinkedHashMap<>();
    resourceMap.putAll(resourceProvider.getResources());
    final StructrWebSocket socket = this.getWebSocket();
    final String url = (String) nodeData.get("url");
    // mimic HTTP request
    final HttpServletRequest wrappedRequest = new HttpServletRequestWrapper(socket.getRequest()) {

        @Override
        public Enumeration<String> getParameterNames() {
            return new IteratorEnumeration(getParameterMap().keySet().iterator());
        }

        @Override
        public String getParameter(String key) {
            String[] p = getParameterMap().get(key);
            return p != null ? p[0] : null;
        }

        @Override
        public Map<String, String[]> getParameterMap() {
            String[] parts = StringUtils.split(getQueryString(), "&");
            Map<String, String[]> parameterMap = new HashMap();
            for (String p : parts) {
                String[] kv = StringUtils.split(p, "=");
                if (kv.length > 1) {
                    parameterMap.put(kv[0], new String[] { kv[1] });
                }
            }
            return parameterMap;
        }

        @Override
        public String getQueryString() {
            return StringUtils.substringAfter(url, "?");
        }

        @Override
        public String getPathInfo() {
            return StringUtils.substringBefore(url, "?");
        }

        @Override
        public StringBuffer getRequestURL() {
            return new StringBuffer(url);
        }
    };
    Resource resource;
    final StaticValue fakePropertyView = new StaticValue(PropertyView.Public);
    try {
        resource = ResourceHelper.applyViewTransformation(wrappedRequest, socket.getSecurityContext(), ResourceHelper.optimizeNestedResourceChain(socket.getSecurityContext(), wrappedRequest, resourceMap, fakePropertyView), fakePropertyView);
    } catch (IllegalPathException | NotFoundException e) {
        logger.warn("Illegal path for REST query");
        getWebSocket().send(MessageBuilder.wrappedRest().code(422).message("Illegal path for REST query").build(), true);
        return;
    }
    final String data = (String) nodeData.get("data");
    final Gson gson = new GsonBuilder().create();
    final Map<String, Object> jsonData = gson.fromJson(data, Map.class);
    RestMethodResult result = null;
    switch(method) {
        case "PUT":
            // we want to update data
            result = resource.doPut(jsonData);
            break;
        case "POST":
            // we either want to create data or call a method on an object
            result = resource.doPost(jsonData);
            break;
    }
    // right now we do not send messages
    if (result != null) {
    // getWebSocket().send(MessageBuilder.wrappedRest().code(result.getResponseCode()).message(result.jsonMessage()).build(), true);
    }
}