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ProjectService.java
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ProjectService.java
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package org.zanata.rest.service;
import static org.zanata.common.EntityStatus.OBSOLETE;
import static org.zanata.common.EntityStatus.READONLY;
import java.net.URI;
import javax.annotation.Nonnull;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriInfo;
import org.apache.commons.lang.StringUtils;
import org.jboss.resteasy.util.HttpHeaderNames;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Transactional;
import org.jboss.seam.security.Identity;
import org.zanata.common.ProjectType;
import org.zanata.dao.AccountDAO;
import org.zanata.dao.ProjectDAO;
import org.zanata.model.HAccount;
import org.zanata.model.HProject;
import org.zanata.model.HProjectIteration;
import org.zanata.rest.MediaTypes;
import org.zanata.rest.NoSuchEntityException;
import org.zanata.rest.dto.Link;
import org.zanata.rest.dto.Project;
import org.zanata.rest.dto.ProjectIteration;
import com.google.common.base.Objects;
@Name("projectService")
@Path(ProjectResource.SERVICE_PATH)
@Transactional
public class ProjectService implements ProjectResource {
/** Project Identifier. */
@PathParam("projectSlug")
String projectSlug;
@HeaderParam(HttpHeaderNames.ACCEPT)
@DefaultValue(MediaType.APPLICATION_XML)
@Context
private MediaType accept;
@Context
private UriInfo uri;
@Context
private Request request;
@In
ProjectDAO projectDAO;
@In
AccountDAO accountDAO;
@In
Identity identity;
@In
ETagUtils eTagUtils;
@SuppressWarnings("null")
@Nonnull
public String getProjectSlug() {
return projectSlug;
}
@Override
public Response head() {
EntityTag etag = eTagUtils.generateTagForProject(projectSlug);
ResponseBuilder response = request.evaluatePreconditions(etag);
if (response != null) {
return response.build();
}
return Response.ok().tag(etag).build();
}
@Override
public Response get() {
try {
EntityTag etag = eTagUtils.generateTagForProject(getProjectSlug());
ResponseBuilder response = request.evaluatePreconditions(etag);
if (response != null) {
return response.build();
}
HProject hProject = projectDAO.getBySlug(getProjectSlug());
Project project = toResource(hProject, accept);
return Response.ok(project).tag(etag).build();
} catch (NoSuchEntityException e) {
return Response.status(Status.NOT_FOUND).build();
}
}
@Override
public Response put(Project project) {
ResponseBuilder response;
EntityTag etag;
HProject hProject = projectDAO.getBySlug(getProjectSlug());
if (hProject == null) { // must be a create operation
response = request.evaluatePreconditions();
if (response != null) {
return response.build();
}
hProject = new HProject();
hProject.setSlug(projectSlug);
// pre-emptive entity permission check
identity.checkPermission(hProject, "insert");
response = Response.created(uri.getAbsolutePath());
}
// Project is obsolete
else if (Objects.equal(hProject.getStatus(), OBSOLETE)) {
return Response.status(Status.FORBIDDEN)
.entity("Project '" + projectSlug + "' is obsolete.")
.build();
}
// Project is ReadOnly
else if (Objects.equal(hProject.getStatus(), READONLY)) {
return Response.status(Status.FORBIDDEN)
.entity("Project '" + projectSlug + "' is read-only.")
.build();
} else {
// must be an update operation
// pre-emptive entity permission check
identity.checkPermission(hProject, "update");
etag = eTagUtils.generateTagForProject(projectSlug);
response = request.evaluatePreconditions(etag);
if (response != null) {
return response.build();
}
response = Response.ok();
}
// null project type accepted for compatibility with old clients
if (project.getDefaultType() != null) {
if (project.getDefaultType().isEmpty()) {
return Response.status(Status.BAD_REQUEST)
.entity("No valid default project type was specified.")
.build();
}
try {
ProjectType.getValueOf(project.getDefaultType());
} catch (Exception e) {
String validTypes =
StringUtils.join(ProjectType.values(), ", ");
return Response
.status(Status.BAD_REQUEST)
.entity("Project type \"" + project.getDefaultType()
+ "\" not valid for this server."
+ " Valid types: [" + validTypes + "]").build();
}
}
transfer(project, hProject);
if (identity != null && hProject.getMaintainers().isEmpty()) {
HAccount hAccount =
accountDAO.getByUsername(identity.getCredentials()
.getUsername());
if (hAccount != null && hAccount.getPerson() != null) {
hProject.getMaintainers().add(hAccount.getPerson());
}
}
projectDAO.makePersistent(hProject);
etag = eTagUtils.generateTagForProject(projectSlug);
return response.tag(etag).build();
}
private static void transfer(Project from, HProject to) {
to.setName(from.getName());
to.setDescription(from.getDescription());
if (from.getDefaultType() != null) {
ProjectType projectType;
try {
projectType = ProjectType.getValueOf(from.getDefaultType());
} catch (Exception e) {
projectType = null;
}
if (projectType != null) {
to.setDefaultProjectType(projectType);
}
}
// TODO Currently all Projects are created as Current
// to.setStatus(from.getStatus());
// keep source URLs unless they are specifically overwritten
if (from.getSourceViewURL() != null) {
to.setSourceViewURL(from.getSourceViewURL());
}
if (from.getSourceCheckoutURL() != null) {
to.setSourceCheckoutURL(from.getSourceCheckoutURL());
}
}
private static void transfer(HProject from, Project to) {
to.setId(from.getSlug());
to.setName(from.getName());
to.setDescription(from.getDescription());
to.setStatus(from.getStatus());
if (from.getDefaultProjectType() != null) {
to.setDefaultType(from.getDefaultProjectType().toString());
}
to.setSourceViewURL(from.getSourceViewURL());
to.setSourceCheckoutURL(from.getSourceCheckoutURL());
}
private static Project toResource(HProject hProject, MediaType mediaType) {
Project project = new Project();
transfer(hProject, project);
for (HProjectIteration pIt : hProject.getProjectIterations()) {
ProjectIteration iteration = new ProjectIteration();
ProjectIterationService.transfer(pIt, iteration);
iteration
.getLinks(true)
.add(new Link(
URI.create("iterations/i/" + pIt.getSlug()),
"self",
MediaTypes
.createFormatSpecificType(
MediaTypes.APPLICATION_ZANATA_PROJECT_ITERATION,
mediaType)));
project.getIterations(true).add(iteration);
}
return project;
}
}