/*******************************************************************************
* Copyright (c) 2012, 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.jobs;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.util.Set;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.LogCommand;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.lib.ConfigConstants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
import org.eclipse.orion.server.core.ProtocolConstants;
import org.eclipse.orion.server.core.ServerStatus;
import org.eclipse.orion.server.git.GitActivator;
import org.eclipse.orion.server.git.GitConstants;
import org.eclipse.orion.server.git.objects.Log;
import org.eclipse.orion.server.git.objects.Remote;
import org.eclipse.orion.server.git.servlets.GitUtils;
import org.eclipse.osgi.util.NLS;
import org.json.JSONArray;
import org.json.JSONObject;
public class RemoteDetailsJob extends GitJob {
private IPath path;
private URI cloneLocation;
private int commitsSize;
private int pageNo;
private int pageSize;
private String baseLocation;
private String configName;
private String nameFilter;
/**
* Creates job with given page range and adding <code>commitsSize</code> commits to every branch.
*
* @param userRunningTask
* @param repositoryPath
* @param cloneLocation
* @param commitsSize
* user 0 to omit adding any log, only CommitLocation will be attached
* @param pageNo
* @param pageSize
* use negative to indicate that all commits need to be returned
* @param baseLocation
* URI used as a base for generating next and previous page links. Should not contain any parameters.
*/
public RemoteDetailsJob(String userRunningTask, String configName, IPath repositoryPath, URI cloneLocation, int commitsSize, int pageNo, int pageSize,
String baseLocation, String filter) {
super(userRunningTask, false);
this.path = repositoryPath;
this.cloneLocation = cloneLocation;
this.commitsSize = commitsSize;
this.pageNo = pageNo;
this.pageSize = pageSize;
this.baseLocation = baseLocation;
this.configName = configName;
this.nameFilter = filter;
}
/**
* Creates job returning list of all branches.
*
* @param userRunningTask
* @param repositoryPath
* @param cloneLocation
*/
public RemoteDetailsJob(String userRunningTask, String configName, IPath repositoryPath, URI cloneLocation) {
this(userRunningTask, configName, repositoryPath, cloneLocation, 0, 0, -1, null, "");
}
/**
* Creates job returning list of all branches adding <code>commitsSize</code> commits to every branch.
*
* @param userRunningTask
* @param repositoryPath
* @param cloneLocation
* @param commitsSize
* @param filterParm
*/
public RemoteDetailsJob(String userRunningTask, String configName, IPath repositoryPath, URI cloneLocation, int commitsSize, String filterParm) {
this(userRunningTask, configName, repositoryPath, cloneLocation, commitsSize, 0, -1, null, filterParm);
}
private ObjectId getCommitObjectId(Repository db, ObjectId oid) throws MissingObjectException, IncorrectObjectTypeException, IOException {
RevWalk walk = new RevWalk(db);
try {
return walk.parseCommit(oid);
} finally {
walk.release();
}
}
@Override
protected IStatus performJob(IProgressMonitor monitor) {
Repository db = null;
try {
File gitDir = GitUtils.getGitDir(path);
db = FileRepositoryBuilder.create(gitDir);
Git git = new Git(db);
Set<String> configNames = db.getConfig().getSubsections(ConfigConstants.CONFIG_REMOTE_SECTION);
for (String configN : configNames) {
if (configN.equals(configName)) {
Remote remote = new Remote(cloneLocation, db, configN);
JSONObject result = remote.toJSON();
if (!result.has(ProtocolConstants.KEY_CHILDREN)) {
return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result);
}
JSONArray children = result.getJSONArray(ProtocolConstants.KEY_CHILDREN);
JSONArray filteredChildren = new JSONArray();
if (children.length() == 0 || (commitsSize == 0 && pageSize < 0)) {
if (nameFilter != null && !nameFilter.equals("")) {
for (int i = 0; i < children.length(); i++) {
JSONObject test = (JSONObject) children.get(i);
String name = (String) test.get("Name");
if (name.toLowerCase().contains(nameFilter.toLowerCase())) {
filteredChildren.put(test);
}
}
result.put(ProtocolConstants.KEY_CHILDREN, filteredChildren);
}
return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result);
}
int firstChild = pageSize > 0 ? pageSize * (pageNo - 1) : 0;
int lastChild = pageSize > 0 ? firstChild + pageSize - 1 : children.length() - 1;
lastChild = lastChild > children.length() - 1 ? children.length() - 1 : lastChild;
if (pageNo > 1 && baseLocation != null) {
String prev = baseLocation + "?page=" + (pageNo - 1) + "&pageSize=" + pageSize;
if (commitsSize > 0) {
prev += "&" + GitConstants.KEY_TAG_COMMITS + "=" + commitsSize;
}
result.put(ProtocolConstants.KEY_PREVIOUS_LOCATION, prev);
}
if (lastChild < children.length() - 1) {
String next = baseLocation + "?page=" + (pageNo + 1) + "&pageSize=" + pageSize;
if (commitsSize > 0) {
next += "&" + GitConstants.KEY_TAG_COMMITS + "=" + commitsSize;
}
result.put(ProtocolConstants.KEY_NEXT_LOCATION, next);
}
JSONArray newChildren = new JSONArray();
for (int i = firstChild; i <= lastChild; i++) {
if (monitor.isCanceled()) {
return new Status(IStatus.CANCEL, GitActivator.PI_GIT, "Cancelled");
}
JSONObject branch = children.getJSONObject(i);
if (commitsSize == 0) {
newChildren.put(branch);
} else {
LogCommand lc = git.log();
String branchName = branch.getString(ProtocolConstants.KEY_ID);
ObjectId toObjectId = db.resolve(branchName);
Ref toRefId = db.getRef(branchName);
if (toObjectId == null) {
String msg = NLS.bind("No ref or commit found: {0}", branchName);
return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null);
}
toObjectId = getCommitObjectId(db, toObjectId);
// set the commit range
lc.add(toObjectId);
lc.setMaxCount(this.commitsSize);
Iterable<RevCommit> commits = lc.call();
Log log = new Log(cloneLocation, db, commits, null, null, toRefId);
log.setPaging(1, commitsSize);
branch.put(GitConstants.KEY_TAG_COMMIT, log.toJSON());
newChildren.put(branch);
}
}
result.put(ProtocolConstants.KEY_CHILDREN, newChildren);
return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result);
}
}
String msg = NLS.bind("Couldn't find remote : {0}", configName);
return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null);
} catch (Exception e) {
String msg = NLS.bind("Couldn't get remote details : {0}", configName);
return new Status(IStatus.ERROR, GitActivator.PI_GIT, msg, e);
} finally {
if (db != null) {
// close the git repository
db.close();
}
}
}
}