Examples with Envelope i5.las2peer.api.persistency.Envelope used on opensource projects

Example 16 with Envelope

use of i5.las2peer.api.persistency.Envelope in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleAgentService method subscribeToSpace.

@Override
public SpaceSubscription subscribeToSpace(String spaceId, String spaceSecret) throws ServiceInvocationException {
    Agent mainAgent = Context.get().getMainAgent();
    if (spaceId == null || spaceId.isEmpty()) {
        throw new InvocationBadArgumentException("No space id given");
    } else if (mainAgent instanceof AnonymousAgent) {
        throw new ServiceAccessDeniedException("You have to be logged in to subscribe to a space");
    }
    Context.get().invoke(new ServiceNameVersion(NoracleSpaceService.class.getCanonicalName(), NoracleService.API_VERSION), "joinSpace", spaceId, spaceSecret);
    SpaceSubscription subscription = new SpaceSubscription(spaceId, spaceSecret);
    String envIdentifier = buildSubscriptionId(mainAgent.getIdentifier());
    Envelope env;
    SpaceSubscriptionList subscriptionList;
    try {
        try {
            env = Context.get().requestEnvelope(envIdentifier);
            subscriptionList = (SpaceSubscriptionList) env.getContent();
        } catch (EnvelopeNotFoundException e) {
            env = Context.get().createEnvelope(envIdentifier);
            subscriptionList = new SpaceSubscriptionList();
        }
    } catch (EnvelopeAccessDeniedException e) {
        throw new ServiceAccessDeniedException("Envelope Access Denied");
    } catch (EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Could not create envelope for space subscription", e);
    }
    subscriptionList.add(subscription);
    env.setContent(subscriptionList);
    try {
        Context.get().storeEnvelope(env, mainAgent);
    } catch (EnvelopeAccessDeniedException e) {
        throw new ServiceAccessDeniedException("Envelope Access Denied");
    } catch (EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Could not store space subscription envelope", e);
    }
    return subscription;
}

Example 17 with Envelope

use of i5.las2peer.api.persistency.Envelope in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleAgentService method updateAgentProfile.

@Override
public NoracleAgentProfile updateAgentProfile(String agentName) throws ServiceInvocationException {
    Agent mainAgent = Context.get().getMainAgent();
    String envIdentifier = buildAgentProfileId(mainAgent.getIdentifier());
    Envelope env;
    NoracleAgentProfile profile;
    // look for existing profile, otherwise create one
    try {
        try {
            env = Context.get().requestEnvelope(envIdentifier);
            profile = (NoracleAgentProfile) env.getContent();
        } catch (EnvelopeNotFoundException e) {
            env = Context.get().createEnvelope(envIdentifier);
            profile = new NoracleAgentProfile();
        }
    } catch (EnvelopeAccessDeniedException e) {
        throw new ServiceAccessDeniedException("Envelope access denied");
    } catch (EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Could not create new envelope for noracle agent profile", e);
    }
    profile.setName(agentName);
    env.setContent(profile);
    env.setPublic();
    try {
        Context.get().storeEnvelope(env, mainAgent);
    } catch (EnvelopeAccessDeniedException e) {
        throw new ServiceAccessDeniedException("Envelope access denied");
    } catch (EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Storing envelope with noracle agent profile failed", e);
    }
    return profile;
}

Example 18 with Envelope

use of i5.las2peer.api.persistency.Envelope in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleQuestionService method retrieveQuestion.

private boolean retrieveQuestion(QuestionList result, String spaceId, int questionNumber) throws EnvelopeNotFoundException {
    try {
        Envelope spaceQuestionEnv = Context.get().requestEnvelope(buildSpaceQuestionNumberId(spaceId, questionNumber));
        String questionId = (String) spaceQuestionEnv.getContent();
        Envelope questionEnv = Context.get().requestEnvelope(getQuestionEnvelopeIdentifier(questionId));
        Question question = (Question) questionEnv.getContent();
        // TODO check if author is a member of this space?
        // String authorId = question.getAuthorId();
        // if (authorId == null || authorId.isEmpty()) {
        // return false;
        // }
        result.add(question);
        return true;
    } catch (EnvelopeNotFoundException e) {
        throw e;
    } catch (Exception e) {
    // XXX logging
    }
    return false;
}

Example 19 with Envelope

use of i5.las2peer.api.persistency.Envelope in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleSpaceService method getSpace.

@Override
public Space getSpace(String spaceId) throws ServiceInvocationException {
    if (spaceId == null || spaceId.isEmpty()) {
        throw new InvocationBadArgumentException("No space id given");
    }
    Envelope env;
    try {
        env = Context.get().requestEnvelope(getSpaceEnvelopeIdentifier(spaceId));
    } catch (EnvelopeAccessDeniedException e) {
        throw new ServiceAccessDeniedException("Access Denied", e);
    } catch (EnvelopeNotFoundException e) {
        throw new ResourceNotFoundException("Space Not Found", e);
    } catch (EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Could not deserialize space object", e);
    }
    Space space = (Space) env.getContent();
    return space;
}

Example 20 with Envelope

use of i5.las2peer.api.persistency.Envelope in project Distributed-Noracle-Backend by Distributed-Noracle.

the class NoracleSpaceService method createSpace.

@Override
public Space createSpace(String name) throws ServiceInvocationException {
    Agent mainAgent = Context.get().getMainAgent();
    if (mainAgent instanceof AnonymousAgent) {
        throw new ServiceNotAuthorizedException("You have to be logged in to create a space");
    }
    String spaceId = buildSpaceId();
    String spaceSecret = generateSpaceSecret();
    SpaceInviteAgent spaceInviteAgent;
    try {
        spaceInviteAgent = new SpaceInviteAgent(spaceSecret);
        spaceInviteAgent.unlock(spaceSecret);
        Context.get().storeAgent(spaceInviteAgent);
    } catch (AgentOperationFailedException | CryptoException e) {
        throw new InternalServiceException("Could not create space invite agent", e);
    } catch (AgentAccessDeniedException | AgentAlreadyExistsException | AgentLockedException e) {
        throw new InternalServiceException("Could not store space invite agent", e);
    }
    try {
        Envelope envInviteMapping = Context.get().createEnvelope(getInviteMappingIdentifier(spaceId));
        envInviteMapping.setPublic();
        envInviteMapping.setContent(spaceInviteAgent.getIdentifier());
        Context.get().storeEnvelope(envInviteMapping);
    } catch (EnvelopeOperationFailedException | EnvelopeAccessDeniedException e) {
        throw new InternalServiceException("Could not store space invite mapping", e);
    }
    GroupAgentImpl spaceMemberGroupAgent;
    try {
        spaceMemberGroupAgent = GroupAgentImpl.createGroupAgent(new Agent[] { spaceInviteAgent, mainAgent });
        spaceMemberGroupAgent.unlock(mainAgent);
        Context.get().storeAgent(spaceMemberGroupAgent);
    } catch (AgentOperationFailedException | CryptoException | SerializationException e) {
        throw new InternalServiceException("Could not create space member group agent", e);
    } catch (AgentAccessDeniedException | AgentAlreadyExistsException | AgentLockedException e) {
        throw new InternalServiceException("Could not store space member group agent", e);
    }
    try {
        Envelope envGroupMapping = Context.get().createEnvelope(getMemberMappingIdentifier(spaceId));
        envGroupMapping.setPublic();
        envGroupMapping.setContent(spaceMemberGroupAgent.getIdentifier());
        Context.get().storeEnvelope(envGroupMapping);
    } catch (EnvelopeOperationFailedException | EnvelopeAccessDeniedException e) {
        throw new InternalServiceException("Could not store space group member mapping", e);
    }
    Envelope env;
    try {
        env = Context.get().createEnvelope(getSpaceEnvelopeIdentifier(spaceId), mainAgent);
    } catch (EnvelopeOperationFailedException | EnvelopeAccessDeniedException e) {
        throw new InternalServiceException("Could not create envelope for space", e);
    }
    env.addReader(spaceMemberGroupAgent);
    Space space = new Space(spaceId, spaceSecret, name, mainAgent.getIdentifier(), spaceMemberGroupAgent.getIdentifier());
    env.setContent(space);
    try {
        Context.get().storeEnvelope(env, mainAgent);
    } catch (EnvelopeAccessDeniedException | EnvelopeOperationFailedException e) {
        throw new InternalServiceException("Could not store space envelope", e);
    }
    return space;
}