Example usage for com.liferay.portal.kernel.json JSONFactoryUtil looseSerialize

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.json JSONFactoryUtil looseSerialize.

Prototype

public static String looseSerialize(Object object, JSONTransformer jsonTransformer, Class<?> clazz) 

Source Link

Usage

From source file:com.marcelmika.lims.portal.controller.ConversationController.java

License:Open Source License

/**
 * Reads Single User Conversation messages
 *
 * @param request  ResourceRequest//from   ww w.j  av a2 s  . c  o  m
 * @param response ResourceResponse
 */
public void readSingleUserConversation(ResourceRequest request, ResourceResponse response) {

    Buddy buddy; // Authorized user
    ReadConversationParameters parameters; // Request parameters

    // Deserialize
    try {
        // Buddy from request
        buddy = Buddy.fromResourceRequest(request);

        // Parameters
        parameters = JSONFactoryUtil.looseDeserialize(request.getParameter(RequestParameterKeys.KEY_PARAMETERS),
                ReadConversationParameters.class);
    }
    // Failure
    catch (Exception exception) {
        // Bad request
        ResponseUtil.writeResponse(HttpStatus.BAD_REQUEST, response);
        // Log
        log.debug(exception);
        // End here
        return;
    }

    // Create objects from parameters
    Conversation conversation = new Conversation();
    conversation.setConversationId(parameters.getConversationId());
    Pagination pagination = parameters.getPagination();

    // Read conversations
    ReadSingleUserConversationResponseEvent responseEvent = conversationCoreService
            .readConversation(new ReadSingleUserConversationRequestEvent(buddy.toBuddyDetails(), // Buddy is participant
                    conversation.toConversationDetails(), // Read proper conversation
                    pagination.toPaginationDetails()) // Pagination request
    );

    // Success
    if (responseEvent.isSuccess()) {
        conversation = Conversation.fromConversationDetails(responseEvent.getConversation());

        // Client has fresh copy so there is no need to send it
        if (conversation.getEtag().equals(parameters.getEtag())) {
            ResponseUtil.writeResponse(HttpStatus.NOT_MODIFIED, response);
            return;
        }

        // Serialize
        String serialized = JSONFactoryUtil.looseSerialize(conversation, "messages", "messages.from");

        // Write success to response
        ResponseUtil.writeResponse(serialized, HttpStatus.OK, response);
    }
    // Failure
    else {
        ReadSingleUserConversationResponseEvent.Status status = responseEvent.getStatus();
        // Not found
        if (status == ReadSingleUserConversationResponseEvent.Status.ERROR_NOT_FOUND) {
            ResponseUtil.writeResponse(HttpStatus.NOT_FOUND, response);
        }
        // Forbidden
        else if (status == ReadSingleUserConversationResponseEvent.Status.ERROR_FORBIDDEN) {
            ResponseUtil.writeResponse(HttpStatus.FORBIDDEN, response);
        }
        // Unauthorized
        else if (status == ReadSingleUserConversationResponseEvent.Status.ERROR_NO_SESSION) {
            ResponseUtil.writeResponse(HttpStatus.UNAUTHORIZED, response);
        }
        // Bad request
        else if (status == ReadSingleUserConversationResponseEvent.Status.ERROR_WRONG_PARAMETERS) {
            ResponseUtil.writeResponse(HttpStatus.BAD_REQUEST, response);
        }
        // Everything else is server fault
        else {
            ResponseUtil.writeResponse(HttpStatus.INTERNAL_SERVER_ERROR, response);
            // Log
            log.error(responseEvent.getException());
        }
    }
}

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From source file:com.marcelmika.lims.portal.controller.GroupController.java

License:Open Source License

/**
 * Fetches all groups related to the buddy.
 *
 * @param request  ResourceRequest//from   ww  w.  java 2 s .co  m
 * @param response ResourceResponse
 */
public void getGroupList(ResourceRequest request, ResourceResponse response) {

    Buddy buddy; // Authorized user
    GetGroupListParameters parameters; // Parameters for the request

    // Deserialize
    try {
        // Parameters
        parameters = JSONFactoryUtil.looseDeserialize(request.getParameter(RequestParameterKeys.KEY_PARAMETERS),
                GetGroupListParameters.class);

        // Create buddy from request
        buddy = Buddy.fromResourceRequest(request);
    }
    // Failure
    catch (Exception exception) {
        // Bad request
        ResponseUtil.writeResponse(HttpStatus.BAD_REQUEST, response);
        // Log
        log.debug(exception);
        // End here
        return;
    }

    // Get groups
    GetGroupsResponseEvent responseEvent = groupCoreService
            .getGroups(new GetGroupsRequestEvent(buddy.toBuddyDetails()));

    // Success
    if (responseEvent.isSuccess()) {
        // Map groups from group details
        GroupCollection groupCollection = GroupCollection
                .fromGroupCollectionDetails(responseEvent.getGroupCollection());

        // ... and compare it with group collection etag
        // Cached
        if (parameters.getEtag().equals(groupCollection.getEtag())) {
            // Etags equal which means that nothing has changed.
            // Write only the group collection without groups and buddies (no extra traffic needed)
            ResponseUtil.writeResponse(HttpStatus.NOT_MODIFIED, response);
        }
        // Not cached
        else {
            // Serialize
            String serialized = JSONFactoryUtil.looseSerialize(groupCollection, "groups", "groups.buddies");
            // Etags are different which means that groups were modified
            // Send the whole package to the client
            ResponseUtil.writeResponse(serialized, HttpStatus.OK, response);
        }
    }
    // Failure
    else {
        GetGroupsResponseEvent.Status status = responseEvent.getStatus();
        // Bad request
        if (status == GetGroupsResponseEvent.Status.ERROR_WRONG_PARAMETERS) {
            ResponseUtil.writeResponse(HttpStatus.BAD_REQUEST, response);
        }
        // Everything else is server fault
        else {
            ResponseUtil.writeResponse(HttpStatus.INTERNAL_SERVER_ERROR, response);
            // Log
            log.error(responseEvent.getException());
        }
    }
}

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