/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.ext.resource;
import org.exoplatform.common.http.HTTPStatus;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.config.RepositoryConfigurationException;
import org.exoplatform.services.jcr.core.ManageableRepository;
import org.exoplatform.services.jcr.ext.app.SessionProviderService;
import org.exoplatform.services.jcr.ext.common.SessionProvider;
import org.exoplatform.services.rest.resource.ResourceContainer;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.jcr.LoginException;
import javax.jcr.NoSuchWorkspaceException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
/**
* Created by The eXo Platform SAS .
*
* REST service to expose JCR node as either sys or doc view
*
* @author Gennady Azarenkov
* @version $Id: $
*/
@Path("/jcr-xml-view")
public class XMLViewNodeRepresentationRenderer implements ResourceContainer
{
protected RepositoryService repoService;
protected SessionProviderService sessionProviderService;
/**
* @param repoService
* @param sessionProviderService
*/
public XMLViewNodeRepresentationRenderer(RepositoryService repoService, SessionProviderService sessionProviderService)
{
this.repoService = repoService;
this.sessionProviderService = sessionProviderService;
}
/**
* @param repoName - repository name
* @param repoPath - node path including workspace name
* @param viewType - either "system" or "document"
* @param uriInfo
* @return XML view of requested node
*/
@GET
@Path("/{viewType}/{repoName}/{repoPath:.*}/")
public Response getXML(@PathParam("repoName") String repoName, @PathParam("repoPath") String repoPath,
@PathParam("viewType") String viewType, @Context UriInfo uriInfo)
{
ByteArrayOutputStream bos;
try
{
ManageableRepository repo = this.repoService.getRepository(repoName);
SessionProvider sp = sessionProviderService.getSessionProvider(null);
if (sp == null)
throw new RepositoryException("SessionProvider is not properly set. Make the application calls"
+ "SessionProviderService.setSessionProvider(..) somewhere before ("
+ "for instance in Servlet Filter for WEB application)");
Session session = sp.getSession(workspaceName(repoPath), repo);
bos = new ByteArrayOutputStream();
if (viewType != null && (viewType.equalsIgnoreCase("system") || viewType.equalsIgnoreCase("sys")))
session.exportSystemView(path(repoPath), bos, false, false);
else
session.exportDocumentView(path(repoPath), bos, false, false);
}
catch (LoginException e)
{
return Response.status(HTTPStatus.FORBIDDEN).entity(e.getMessage()).build();
}
catch (NoSuchWorkspaceException e)
{
return Response.serverError().entity(e.getMessage()).build();
}
catch (RepositoryException e)
{
return Response.serverError().entity(e.getMessage()).build();
}
catch (RepositoryConfigurationException e)
{
return Response.serverError().entity(e.getMessage()).build();
}
catch (IOException e)
{
return Response.serverError().entity(e.getMessage()).build();
}
return Response.ok().entity(bos.toByteArray()).type(MediaType.TEXT_XML).build();
}
protected String workspaceName(String repoPath)
{
return repoPath.split("/")[0];
}
protected String path(String repoPath)
{
String path = repoPath.substring(workspaceName(repoPath).length());
if (!"".equals(path))
{
return path;
}
return "/";
}
}