/*******************************************************************************
* Copyright (c) 2011, 2014 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.orion.server.git.servlets;
import java.io.File;
import java.net.URI;
import java.util.Map.Entry;
import java.util.Set;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.eclipse.orion.internal.server.servlets.ServletResourceHandler;
import org.eclipse.orion.internal.server.servlets.workspace.authorization.AuthorizationService;
import org.eclipse.orion.server.core.ServerStatus;
import org.eclipse.orion.server.git.objects.Status;
import org.eclipse.orion.server.git.servlets.GitUtils.Traverse;
import org.eclipse.orion.server.servlets.JsonURIUnqualificationStrategy;
import org.eclipse.orion.server.servlets.OrionServlet;
import org.eclipse.osgi.util.NLS;
/**
* A handler for Git Status operation.
*/
public class GitStatusHandlerV1 extends ServletResourceHandler<String> {
private ServletResourceHandler<IStatus> statusHandler;
GitStatusHandlerV1(ServletResourceHandler<IStatus> statusHandler) {
this.statusHandler = statusHandler;
}
@Override
public boolean handleRequest(HttpServletRequest request, HttpServletResponse response, String gitPathInfo) throws ServletException {
Repository db = null;
try {
Path path = new Path(gitPathInfo);
if (!path.hasTrailingSeparator()) {
String msg = NLS.bind("Cannot get status on a file: {0}", gitPathInfo);
return statusHandler.handleRequest(request, response, new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, msg, null));
}
if (!AuthorizationService.checkRights(request.getRemoteUser(), "/" + path.toString(), request.getMethod())) {
response.sendError(HttpServletResponse.SC_FORBIDDEN);
return true;
}
Set<Entry<IPath, File>> set = GitUtils.getGitDirs(path, Traverse.GO_UP).entrySet();
File gitDir = set.iterator().next().getValue();
if (gitDir == null)
return false; // TODO: or an error response code, 405?
db = FileRepositoryBuilder.create(gitDir);
Git git = new Git(db);
org.eclipse.jgit.api.Status gitStatus = git.status().call();
URI baseLocation = getURI(request);
String relativePath = GitUtils.getRelativePath(path, set.iterator().next().getKey());
IPath basePath = new Path(relativePath);
Status status = new Status(baseLocation, db, gitStatus, basePath);
OrionServlet.writeJSONResponse(request, response, status.toJSON(), JsonURIUnqualificationStrategy.ALL_NO_GIT);
return true;
} catch (Exception e) {
return statusHandler.handleRequest(request, response, new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"Error generating status response", e));
} finally {
if (db != null) {
// close the git repository
db.close();
}
}
}
}