Java tutorial
/******************************************************************************* * Copyright (c) 2011, 2015 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.IOException; import java.net.URI; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.Enumeration; import java.util.concurrent.TimeUnit; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletResponse; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.methods.GetMethod; import org.eclipse.core.internal.preferences.Base64; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jgit.lib.Repository; import org.eclipse.orion.server.core.IOUtilities; import org.eclipse.orion.server.core.PreferenceHelper; import org.eclipse.orion.server.core.ProtocolConstants; import org.eclipse.orion.server.core.ServerStatus; import org.eclipse.orion.server.core.tasks.TaskJob; import org.eclipse.orion.server.git.GitActivator; import org.eclipse.orion.server.git.GitCredentialsProvider; import org.eclipse.orion.server.git.IGitHubTokenProvider; import org.eclipse.orion.server.git.objects.PullRequest; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; /** * A job to perform a clone operation in the background */ @SuppressWarnings("restriction") public class ListPullRequestsJob extends TaskJob { private HttpClient httpClient; private static final String CLIENT_KEY = "orion.oauth.github.client"; private static final String CLIENT_SECRET = "orion.oauth.github.secret"; private String url; private Repository db; private String remote; private URI cloneLocation; private String host; private String hostUser; private String project; private Cookie cookie; private String username; private String password; public ListPullRequestsJob(String userRunningTask, String url, URI cloneLocation, String host, String hostUser, String project, String username, String password, Object cookie) { super(userRunningTask, true); this.cloneLocation = cloneLocation; this.host = host; this.url = url; this.hostUser = hostUser; this.project = project; this.remote = userRunningTask; this.username = username; this.password = password; this.cookie = (Cookie) cookie; setFinalMessage("Getting Pull Requests Complete."); setTaskExpirationTime(TimeUnit.DAYS.toMillis(7)); } private IStatus doList(IProgressMonitor monitor) throws JSONException, URISyntaxException, HttpException, IOException, CoreException { //JSONArray result = callGitHubAPI(url); JSONObject returnRes = new JSONObject(); JSONArray resp = new JSONArray(); String toCall = host + "repos/" + hostUser + "/" + project + "/pulls"; String token = null; Enumeration<IGitHubTokenProvider> providers = GitCredentialsProvider.GetGitHubTokenProviders(); while (providers.hasMoreElements()) { token = providers.nextElement().getToken(this.url, remote); if (token != null) { break; } } GetMethod m; HttpClient hc = getHttpClient(); if (token != null) { toCall += "?access_token=" + token; } else { String client_secret = PreferenceHelper.getString(CLIENT_SECRET); String client_key = PreferenceHelper.getString(CLIENT_KEY); toCall += "?client_id=" + client_key + "&client_secret=" + client_secret + ""; } m = new GetMethod(toCall); if (!this.username.isEmpty() && !this.password.isEmpty()) { String userCredentials = this.username + ":" + this.password; String basicAuth = "Basic " + new String(Base64.encode(userCredentials.getBytes())); m.setRequestHeader("Authorization", basicAuth); } try { hc.executeMethod(m); int statusCode = m.getStatusCode(); if (statusCode == HttpStatus.SC_OK) { String res = IOUtilities.toString(m.getResponseBodyAsStream()); resp = (res.isEmpty()) ? new JSONArray() : new JSONArray(res); } else if (statusCode == HttpServletResponse.SC_UNAUTHORIZED || statusCode == HttpServletResponse.SC_NOT_FOUND) { String msg = "Repository not found, might be a private repository that requires authentication."; if (statusCode == HttpServletResponse.SC_UNAUTHORIZED) { msg = "Not authorized to get the repository information."; } IStatus result = new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_UNAUTHORIZED, msg, new JSONObject(), null); ServerStatus status = ServerStatus.convert(result); JSONObject data = status.getJsonData(); data.put("Url", this.url); //$NON-NLS-1$ try { providers = GitCredentialsProvider.GetGitHubTokenProviders(); while (providers.hasMoreElements()) { String authUrl = providers.nextElement().getAuthUrl(this.url, cookie); if (authUrl != null) { data.put("GitHubAuth", authUrl); //$NON-NLS-1$ return result; } } return result; } catch (Exception ex) { /* fail silently, no GitHub auth url will be returned */ } return result; } } finally { m.releaseConnection(); } ArrayList<JSONObject> list = new ArrayList<JSONObject>(); if (resp != null) { int len = resp.length(); for (int i = 0; i < len; i++) { list.add(new JSONObject(resp.get(i).toString())); } } JSONArray children = new JSONArray(); for (JSONObject prJson : list) { PullRequest pr = new PullRequest(cloneLocation, db, prJson); children.put(pr.toJSON()); } returnRes.put(ProtocolConstants.KEY_CHILDREN, children); returnRes.put(ProtocolConstants.KEY_TYPE, PullRequest.TYPE); return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, returnRes); } private HttpClient getHttpClient() { if (this.httpClient == null) this.httpClient = new HttpClient(); return this.httpClient; } @Override protected IStatus performJob(IProgressMonitor monitor) { IStatus result = Status.OK_STATUS; try { result = doList(monitor); } catch (IOException e) { result = new Status(IStatus.ERROR, GitActivator.PI_GIT, "Error getting pull requests", e); } catch (CoreException e) { result = e.getStatus(); } catch (Exception e) { result = new Status(IStatus.ERROR, GitActivator.PI_GIT, "Error getting pull requests", e); } return result; } }