/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.engine.rest.impl;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.RepositoryService;
import org.camunda.bpm.engine.repository.CaseDefinition;
import org.camunda.bpm.engine.repository.CaseDefinitionQuery;
import org.camunda.bpm.engine.rest.CaseDefinitionRestService;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.repository.CaseDefinitionDto;
import org.camunda.bpm.engine.rest.dto.repository.CaseDefinitionQueryDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.rest.exception.RestException;
import org.camunda.bpm.engine.rest.sub.repository.CaseDefinitionResource;
import org.camunda.bpm.engine.rest.sub.repository.impl.CaseDefinitionResourceImpl;
import org.codehaus.jackson.map.ObjectMapper;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriInfo;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author Roman Smirnov
*
*/
public class CaseDefinitionRestServiceImpl extends AbstractRestProcessEngineAware implements CaseDefinitionRestService {
public CaseDefinitionRestServiceImpl(String engineName, ObjectMapper objectMapper) {
super(engineName, objectMapper);
}
@Override
public CaseDefinitionResource getCaseDefinitionByKey(String caseDefinitionKey) {
if(caseDefinitionKey == null) {
throw new InvalidRequestException(Status.BAD_REQUEST, "Query parameter 'caseDefinitionKey' cannot be null");
}
ProcessEngine engine = getProcessEngine();
RepositoryService repositoryService = engine.getRepositoryService();
CaseDefinitionQuery query = repositoryService.createCaseDefinitionQuery();
query
.caseDefinitionKey(caseDefinitionKey)
.latestVersion();
CaseDefinition caseDefinition = query.singleResult();
if (caseDefinition == null) {
String errorMessage = String.format("No matching case definition with key: %s ", caseDefinitionKey);
throw new RestException(Status.NOT_FOUND, errorMessage);
}
return getCaseDefinitionById(caseDefinition.getId());
}
@Override
public CaseDefinitionResource getCaseDefinitionById(String caseDefinitionId) {
return new CaseDefinitionResourceImpl(getProcessEngine(), caseDefinitionId, relativeRootResourcePath, getObjectMapper());
}
@Override
public List<CaseDefinitionDto> getCaseDefinitions(UriInfo uriInfo, Integer firstResult, Integer maxResults) {
CaseDefinitionQueryDto queryDto = new CaseDefinitionQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
List<CaseDefinitionDto> definitions = new ArrayList<CaseDefinitionDto>();
ProcessEngine engine = getProcessEngine();
CaseDefinitionQuery query = queryDto.toQuery(engine);
List<CaseDefinition> matchingDefinitions = null;
if (firstResult != null || maxResults != null) {
matchingDefinitions = executePaginatedQuery(query, firstResult, maxResults);
} else {
matchingDefinitions = query.list();
}
for (CaseDefinition definition : matchingDefinitions) {
CaseDefinitionDto def = CaseDefinitionDto.fromCaseDefinition(definition);
definitions.add(def);
}
return definitions;
}
private List<CaseDefinition> executePaginatedQuery(CaseDefinitionQuery query, Integer firstResult, Integer maxResults) {
if (firstResult == null) {
firstResult = 0;
}
if (maxResults == null) {
maxResults = Integer.MAX_VALUE;
}
return query.listPage(firstResult, maxResults);
}
@Override
public CountResultDto getCaseDefinitionsCount(UriInfo uriInfo) {
CaseDefinitionQueryDto queryDto = new CaseDefinitionQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
ProcessEngine engine = getProcessEngine();
CaseDefinitionQuery query = queryDto.toQuery(engine);
long count = query.count();
CountResultDto result = new CountResultDto();
result.setCount(count);
return result;
}
}