/* 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 static org.camunda.bpm.engine.authorization.Authorization.ANY;
import static org.camunda.bpm.engine.authorization.Permissions.CREATE;
import static org.camunda.bpm.engine.authorization.Resources.GROUP;
import java.net.URI;
import java.util.List;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import org.camunda.bpm.engine.IdentityService;
import org.camunda.bpm.engine.identity.Group;
import org.camunda.bpm.engine.identity.GroupQuery;
import org.camunda.bpm.engine.rest.GroupRestService;
import org.camunda.bpm.engine.rest.dto.CountResultDto;
import org.camunda.bpm.engine.rest.dto.ResourceOptionsDto;
import org.camunda.bpm.engine.rest.dto.identity.GroupDto;
import org.camunda.bpm.engine.rest.dto.identity.GroupQueryDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.rest.sub.identity.GroupResource;
import org.camunda.bpm.engine.rest.sub.identity.impl.GroupResourceImpl;
import org.camunda.bpm.engine.rest.util.PathUtil;
import org.codehaus.jackson.map.ObjectMapper;
/**
* @author Daniel Meyer
*
*/
public class GroupRestServiceImpl extends AbstractAuthorizedRestResource implements GroupRestService {
public GroupRestServiceImpl(String engineName, final ObjectMapper objectMapper) {
super(engineName, GROUP, ANY, objectMapper);
}
public GroupResource getGroup(String id) {
id = PathUtil.decodePathParam(id);
return new GroupResourceImpl(getProcessEngine().getName(), id, relativeRootResourcePath, getObjectMapper());
}
public List<GroupDto> queryGroups(UriInfo uriInfo, Integer firstResult, Integer maxResults) {
GroupQueryDto queryDto = new GroupQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
return queryGroups(queryDto, firstResult, maxResults);
}
public List<GroupDto> queryGroups(GroupQueryDto queryDto, Integer firstResult, Integer maxResults) {
queryDto.setObjectMapper(getObjectMapper());
GroupQuery query = queryDto.toQuery(getProcessEngine());
List<Group> resultList;
if(firstResult != null || maxResults != null) {
resultList = executePaginatedQuery(query, firstResult, maxResults);
} else {
resultList = query.list();
}
return GroupDto.fromGroupList(resultList);
}
public CountResultDto getGroupCount(UriInfo uriInfo) {
GroupQueryDto queryDto = new GroupQueryDto(getObjectMapper(), uriInfo.getQueryParameters());
return getGroupCount(queryDto);
}
protected CountResultDto getGroupCount(GroupQueryDto queryDto) {
GroupQuery query = queryDto.toQuery(getProcessEngine());
long count = query.count();
return new CountResultDto(count);
}
public void createGroup(GroupDto groupDto) {
final IdentityService identityService = getIdentityService();
if(identityService.isReadOnly()) {
throw new InvalidRequestException(Status.FORBIDDEN, "Identity service implementation is read-only.");
}
Group newGroup = identityService.newGroup(groupDto.getId());
groupDto.update(newGroup);
identityService.saveGroup(newGroup);
}
public ResourceOptionsDto availableOperations(UriInfo context) {
final IdentityService identityService = getIdentityService();
UriBuilder baseUriBuilder = context.getBaseUriBuilder()
.path(relativeRootResourcePath)
.path(GroupRestService.PATH);
ResourceOptionsDto resourceOptionsDto = new ResourceOptionsDto();
// GET /
URI baseUri = baseUriBuilder.build();
resourceOptionsDto.addReflexiveLink(baseUri, HttpMethod.GET, "list");
// GET /count
URI countUri = baseUriBuilder.clone().path("/count").build();
resourceOptionsDto.addReflexiveLink(countUri, HttpMethod.GET, "count");
// POST /create
if(!identityService.isReadOnly() && isAuthorized(CREATE)) {
URI createUri = baseUriBuilder.clone().path("/create").build();
resourceOptionsDto.addReflexiveLink(createUri, HttpMethod.POST, "create");
}
return resourceOptionsDto;
}
// utility methods //////////////////////////////////////
protected List<Group> executePaginatedQuery(GroupQuery query, Integer firstResult, Integer maxResults) {
if (firstResult == null) {
firstResult = 0;
}
if (maxResults == null) {
maxResults = Integer.MAX_VALUE;
}
return query.listPage(firstResult, maxResults);
}
protected IdentityService getIdentityService() {
return getProcessEngine().getIdentityService();
}
}