Java tutorial
/* * Copyright 2000-2015 JetBrains s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.rutarget.UpsourceReviewStatsExtension; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonObject; import com.google.gson.JsonParser; import jetbrains.buildServer.vcs.SVcsModification; import jetbrains.buildServer.web.openapi.ChangeDetailsExtension; import jetbrains.buildServer.web.openapi.PagePlaces; import jetbrains.buildServer.web.openapi.PlaceId; import jetbrains.buildServer.web.openapi.PluginDescriptor; import org.apache.commons.codec.binary.Base64; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.StringUtils; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import org.springframework.web.util.HtmlUtils; import javax.servlet.http.HttpServletRequest; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.Proxy; import java.net.URL; import java.text.MessageFormat; import java.util.Map; @SuppressWarnings("UnusedDeclaration") public class PageExtension extends ChangeDetailsExtension { private static final Proxy PROXY = null;//new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 8888)); private static final String UPSOURCE_API_URL = "http://0.0.0.0:8081/~rpc/"; // TODO private static final String UPSOURCE_REVIEW_PUBLIC_URL = "https://0.0.0.0/{0}/review/{1}"; // TODO private static final String UPSOURCE_USERNAME = ""; // TODO private static final String UPSOURCE_PASSWORD = ""; // TODO private static final String REPO = ""; // TODO private static final int REVIEW_OPEN = 1; private static final int REVIEW_CLOSED = 2; private static final Gson GSON = new GsonBuilder().create(); public PageExtension(PagePlaces pagePlaces, PluginDescriptor descriptor) { super(pagePlaces, PlaceId.CHANGE_DETAILS_BLOCK, "upsource", descriptor.getPluginResourcesPath("upsourceInfo.jsp")); register(); } @Override public void fillModel(@NotNull Map<String, Object> model, @NotNull HttpServletRequest request) { SVcsModification modification = findVcsModification(request); assert modification != null; String version = modification.getVersion(); String upsourceProjectId = getUpsourceProjectId(modification); if (upsourceProjectId == null) { model.put("reviewExists", false); return; } RevisionInProjectDTO revisionInProject = new RevisionInProjectDTO(upsourceProjectId, modification.getVersion()); try { // second call to workaround https://youtrack.jetbrains.com/issue/UP-5059 RevisionDescriptorDTO revisionInfo = request("getRevisionInfo", revisionInProject, RevisionDescriptorDTO.class); ReviewDescriptorDTO reviewInfo = revisionInfo != null ? revisionInfo.reviewInfo : null; if (reviewInfo != null) { reviewInfo = request("getReviewDetails", reviewInfo.reviewId, ReviewDescriptorDTO.class); model.put("reviewExists", true); model.put("reviewId", reviewInfo.reviewId.reviewId); model.put("reviewClosed", reviewInfo.state == REVIEW_CLOSED); model.put("reviewTitle", reviewInfo.title); model.put("reviewLink", MessageFormat.format(UPSOURCE_REVIEW_PUBLIC_URL, upsourceProjectId, reviewInfo.reviewId.reviewId)); } else { model.put("reviewExists", false); } } catch (Exception e) { model.put("error", true); model.put("errorText", e.getMessage()); } } @Nullable private static String getUpsourceProjectId(SVcsModification modification) { String url = modification.getVcsRoot().getProperties().get("url"); if (REPO.equals(url)) { return "RT"; } return null; } private static <T> T request(String method, @Nullable Object parameter, Class<T> clazz) throws IOException { String address = UPSOURCE_API_URL + method; URL url = new URL(address); @SuppressWarnings("ConstantConditions") HttpURLConnection c = (HttpURLConnection) (PROXY != null ? url.openConnection(PROXY) : url.openConnection()); String authString = UPSOURCE_USERNAME + ":" + UPSOURCE_PASSWORD; //Base64 doesn't look thread safe, therefore we create new instance for each occasion c.setRequestProperty("Authorization", "Basic " + new String(new Base64().encode(authString.getBytes()))); if (parameter != null) { String output = GSON.toJson(parameter); c.setDoOutput(true); c.setRequestMethod("POST"); c.setRequestProperty("Content-Type", "application/json"); c.setRequestProperty("Content-Length", String.valueOf(output.length())); c.getOutputStream().write(output.getBytes("UTF-8")); } InputStream inputStream = c.getInputStream(); String response = IOUtils.toString(inputStream); try { JsonObject element = (JsonObject) new JsonParser().parse(response); return GSON.fromJson(element.get("result"), clazz); } catch (Exception e) { throw new IOException( "Failed to parse response " + escapeToHtmlAttribute(response) + ": " + e.getMessage()); } } private static String escapeToHtmlAttribute(String s) { return StringUtils.replaceEach(s, new String[] { "&", "<", ">", "\"", "'", "/" }, new String[] { "&", "<", ">", """, "'", "/" }); } private static class ProjectIdDTO { public String projectId; private ProjectIdDTO(String projectId) { this.projectId = projectId; } } private static class RevisionDescriptorDTO { public String revisionId; public long revisionDate; public long effectiveRevisionDate; public String revisionCommitMessage; public String state; // RevisionStateEnum really public String revisionIdShort; public String revisionProblemMessage; public String authorId; public String[] branchHeadLabel; public String[] parentRevisions; public String[] childRevisions; public ReviewDescriptorDTO reviewInfo; private String[] tags; } private static class ReviewDescriptorDTO { public ReviewIdDTO reviewId; public String title; public ParticipantInReviewDTO[] participants; public int state; public boolean unread; public int priority; public String branch; public IssueInfoDTO issue; public boolean canCreateIssue; } private static class ReviewIdDTO { public String projectId; public String reviewId; } private static class ParticipantInReviewDTO { } // private enum PriorityClassEnum { // @SerializedName("1") // ReadyToClose, // @SerializedName("2") // ToReview, // @SerializedName("3") // Authored, // @SerializedName("4") // None // } private static class IssueInfoDTO { } private static class ProjectListDTO { public ProjectInfoDTO[] project; } private static class ProjectInfoDTO { public String projectName; public String projectId; public String headHash; public String codeReviewIdPattern; public long lastCommitDate; public String lastCommitAuthorName; public ExternalLinkDTO[] externalLinks; public String projectModelType; } private static class ExternalLinkDTO { public String url; public String prefix; } private class RevisionInProjectDTO { public String projectId; public String revisionId; public RevisionInProjectDTO(String projectId, String revisionId) { this.projectId = projectId; this.revisionId = revisionId; } } }