Example usage for org.springframework.hateoas.client Traverson Traverson

Introduction

In this page you can find the example usage for org.springframework.hateoas.client Traverson Traverson.

Prototype

public Traverson(URI baseUri, List<MediaType> mediaTypes) 

Source Link

Document

Creates a new Traverson interacting with the given base URI and using the given MediaType s to interact with the service.

Usage

From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

public String getRubricEvaluationObjectId(String associationId, String userId, String toolId) {
    try {/*w w  w .  j  a  v  a  2  s .c  o m*/
        URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
        Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);

        Traverson.TraversalBuilder builder = traverson.follow("evaluations", "search",
                "by-association-and-user");

        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", String.format("Bearer %s", generateJsonWebToken(toolId)));
        builder.withHeaders(headers);

        Map<String, Object> parameters = new HashMap<>();
        parameters.put("associationId", associationId);
        parameters.put("userId", userId);

        String response = builder.withTemplateParameters(parameters).toObject(String.class);
        if (StringUtils.isNotEmpty(response)) {
            return response.replace("\"", "");
        }
    } catch (Exception e) {
        log.warn("Error {} while getting a rubric evaluation in assignment {} for user {}", e.getMessage(),
                associationId, userId);
    }
    return null;
}

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From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

/**
 * Delete all the rubric associations starting with itemId.
 * @param itemId The formatted item id./*from   w  w  w  .ja  va  2 s .co m*/
 */
public void deleteRubricAssociationsByItemIdPrefix(String itemId, String toolId) {
    try {
        TypeReferences.ResourcesType<Resource<ToolItemRubricAssociation>> resourceParameterizedTypeReference = new TypeReferences.ResourcesType<Resource<ToolItemRubricAssociation>>() {
        };

        URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
        Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);

        Traverson.TraversalBuilder builder = traverson.follow("rubric-associations", "search",
                "by-item-id-prefix");

        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", String.format("Bearer %s", generateJsonWebToken(toolId)));
        builder.withHeaders(headers);

        Map<String, Object> parameters = new HashMap<>();
        parameters.put("toolId", toolId);
        parameters.put("itemId", itemId);

        Resources<Resource<ToolItemRubricAssociation>> associationResources = builder
                .withTemplateParameters(parameters).toObject(resourceParameterizedTypeReference);

        for (Resource<ToolItemRubricAssociation> associationResource : associationResources) {
            String associationHref = associationResource.getLink(Link.REL_SELF).getHref();
            deleteRubricEvaluationsForAssociation(associationHref, toolId);
            deleteRubricResource(associationHref, toolId, null);
            hasAssociatedRubricCache.remove(toolId + "#" + itemId);
        }
    } catch (Exception e) {
        log.warn("Error deleting rubric association for id {} : {}", itemId, e.getMessage());
    }
}

---

From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

protected Collection<Resource<Evaluation>> getRubricEvaluationsByAssociation(Long associationId)
        throws Exception {
    TypeReferences.ResourcesType<Resource<Evaluation>> resourceParameterizedTypeReference = new TypeReferences.ResourcesType<Resource<Evaluation>>() {
    };// ww  w .  j av  a 2 s.c  o  m

    URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
    Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);
    Traverson.TraversalBuilder builder = traverson.follow("evaluations", "search", "by-association-id");

    HttpHeaders headers = new HttpHeaders();
    headers.add("Authorization", String.format("Bearer %s", generateJsonWebToken(RubricsConstants.RBCS_TOOL)));
    builder.withHeaders(headers);

    Map<String, Object> parameters = new HashMap<>();
    parameters.put("toolItemRubricAssociationId", associationId);
    Resources<Resource<Evaluation>> evaluationResources = builder.withTemplateParameters(parameters)
            .toObject(resourceParameterizedTypeReference);

    return evaluationResources.getContent();
}

---

From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

@Override
public Map<String, String> transferCopyEntities(String fromContext, String toContext, List<String> ids,
        List<String> options) {

    Map<String, String> transversalMap = new HashMap<>();
    try {/*from w  ww.  ja v a  2 s  .  c  o m*/
        TypeReferences.ResourcesType<Resource<Rubric>> resourceParameterizedTypeReference = new TypeReferences.ResourcesType<Resource<Rubric>>() {
        };
        URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
        Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);
        Traverson.TraversalBuilder builder = traverson.follow("rubrics", "search", "rubrics-from-site");

        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization",
                String.format("Bearer %s", generateJsonWebToken(RubricsConstants.RBCS_TOOL, toContext)));
        builder.withHeaders(headers);

        Map<String, Object> parameters = new HashMap<>();
        parameters.put("siteId", fromContext);

        Resources<Resource<Rubric>> rubricResources = builder.withTemplateParameters(parameters)
                .toObject(resourceParameterizedTypeReference);
        for (Resource<Rubric> rubricResource : rubricResources) {
            RestTemplate restTemplate = new RestTemplate();
            HttpHeaders headers2 = new HttpHeaders();
            headers2.setContentType(MediaType.APPLICATION_JSON);
            headers2.add("Authorization",
                    String.format("Bearer %s", generateJsonWebToken(RubricsConstants.RBCS_TOOL, toContext)));
            HttpEntity<?> requestEntity = new HttpEntity<>(headers2);
            ResponseEntity<Rubric> rubricEntity = restTemplate.exchange(
                    rubricResource.getLink(Link.REL_SELF).getHref() + "?projection=inlineRubric",
                    HttpMethod.GET, requestEntity, Rubric.class);
            Rubric rEntity = rubricEntity.getBody();
            String newId = cloneRubricToSite(String.valueOf(rEntity.getId()), toContext);
            String oldId = String.valueOf(rEntity.getId());
            transversalMap.put(RubricsConstants.RBCS_PREFIX + oldId, RubricsConstants.RBCS_PREFIX + newId);
        }
    } catch (Exception ex) {
        log.info("Exception on duplicateRubricsFromSite: " + ex.getMessage());
    }
    return transversalMap;
}

---

From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

@Override
public Map<String, String> transferCopyEntities(String fromContext, String toContext, List<String> ids,
        List<String> options, boolean cleanup) {

    if (cleanup) {
        try {//w w w .  jav  a  2s  . co  m
            TypeReferences.ResourcesType<Resource<Rubric>> resourceParameterizedTypeReference = new TypeReferences.ResourcesType<Resource<Rubric>>() {
            };
            URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
            Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);
            Traverson.TraversalBuilder builder = traverson.follow("rubrics", "search", "rubrics-from-site");

            HttpHeaders headers = new HttpHeaders();
            headers.add("Authorization",
                    String.format("Bearer %s", generateJsonWebToken(RubricsConstants.RBCS_TOOL, toContext)));
            builder.withHeaders(headers);

            Map<String, Object> parameters = new HashMap<>();
            parameters.put("siteId", toContext);
            Resources<Resource<Rubric>> rubricResources = builder.withTemplateParameters(parameters)
                    .toObject(resourceParameterizedTypeReference);
            for (Resource<Rubric> rubricResource : rubricResources) {
                String[] rubricSplitted = rubricResource.getLink(Link.REL_SELF).getHref().split("/");
                Collection<Resource<ToolItemRubricAssociation>> assocs = getRubricAssociationByRubric(
                        rubricSplitted[rubricSplitted.length - 1], toContext);
                for (Resource<ToolItemRubricAssociation> associationResource : assocs) {
                    String associationHref = associationResource.getLink(Link.REL_SELF).getHref();
                    deleteRubricResource(associationHref, RubricsConstants.RBCS_TOOL, toContext);
                }
                deleteRubricResource(rubricResource.getLink(Link.REL_SELF).getHref(),
                        RubricsConstants.RBCS_TOOL, toContext);
            }
        } catch (Exception e) {
            log.error("Rubrics - transferCopyEntities: error trying to delete rubric -> {}", e.getMessage());
        }
    }
    return transferCopyEntities(fromContext, toContext, ids, null);
}

---

From source file:org.sakaiproject.rubrics.logic.RubricsServiceImpl.java

protected Collection<Resource<ToolItemRubricAssociation>> getRubricAssociationByRubric(String rubricId,
        String toSite) throws Exception {
    TypeReferences.ResourcesType<Resource<ToolItemRubricAssociation>> resourceParameterizedTypeReference = new TypeReferences.ResourcesType<Resource<ToolItemRubricAssociation>>() {
    };//ww w  .  java2 s  . c  o m

    URI apiBaseUrl = new URI(serverConfigurationService.getServerUrl() + RBCS_SERVICE_URL_PREFIX);
    Traverson traverson = new Traverson(apiBaseUrl, MediaTypes.HAL_JSON);
    Traverson.TraversalBuilder builder = traverson.follow("rubric-associations", "search", "by-rubric-id");

    HttpHeaders headers = new HttpHeaders();
    headers.add("Authorization",
            String.format("Bearer %s", generateJsonWebToken(RubricsConstants.RBCS_TOOL, toSite)));
    builder.withHeaders(headers);

    Map<String, Object> parameters = new HashMap<>();
    parameters.put("rubricId", Long.valueOf(rubricId));
    Resources<Resource<ToolItemRubricAssociation>> associationResources = builder
            .withTemplateParameters(parameters).toObject(resourceParameterizedTypeReference);

    return associationResources.getContent();
}

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