Android Open Source - dashclock-gerrit Gerrit

From Project

License

The source code is released under:
Apache License
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Java Source Code

package com.plusonelabs.dashclock.gerrit;
/*  w  w w  . j a v a 2 s .c  o  m*/
import static com.plusonelabs.dashclock.gerrit.util.ParamCheck.*;
import static com.plusonelabs.dashclock.gerrit.util.StringUtil.*;
import static java.util.Collections.*;

import java.util.ArrayList;
import java.util.List;

import android.util.Log;

import com.github.kevinsawicki.http.HttpRequest;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.plusonelabs.dashclock.gerrit.auth.AuthenticationProvider;

public class Gerrit {

  private static final String GERRIT_RESPONSE_PREPEND = "\\)\\]\\}\\'\n";

  private final GerritEndpoint server;
  private final Gson gson;
  private List<Change> allChanges;
  private List<Change> assignedChanges;

  public Gerrit(GerritEndpoint server) {
    paramNotNull(server, GerritEndpoint.class.getSimpleName());
    this.server = server;
    gson = new Gson();
    allChanges = emptyList();
    assignedChanges = emptyList();
  }

  public void fetchChanges(AuthenticationProvider authenticationProvider, String project,
      String branch, String reviewer) {
    paramNotNull(authenticationProvider, AuthenticationProvider.class.getSimpleName());
    authenticationProvider.preRequest(server);
    HttpRequest request = createRequest(authenticationProvider, project, branch, reviewer);
    authenticationProvider.supplyCredentials(request, server);
    processRequest(request);
  }

  private HttpRequest createRequest(AuthenticationProvider authProvider, String project,
      String branch, String reviewer) {
    QueryBuilder queryBuilder = new QueryBuilder(server.getUrl(), authProvider.isAnonymous());
    queryBuilder.setProject(project);
    queryBuilder.setBranch(branch);
    queryBuilder.setReviewer(reviewer);
    String queryUrl = queryBuilder.createQueryUrl();
    HttpRequest request = HttpRequest.get(queryUrl);
    request.acceptGzipEncoding().uncompress(true).trustAllCerts().trustAllHosts();
    request.accept(HttpRequest.CONTENT_TYPE_JSON);
    return request;
  }

  private void processRequest(HttpRequest request) {
    if (request.ok()) {
      String json = sanatizeResponse(request.body());
      deserializeToChanges(json);
    } else {
      if (BuildConfig.DEBUG) {
        Log.e(GerritDashClockExtension.class.getSimpleName(),
            "A problem occurred while populating the gerrit changes: "
                + request.message());
      }
    }
  }

  private String sanatizeResponse(String gerritResponse) {
    return gerritResponse.replaceFirst(GERRIT_RESPONSE_PREPEND, EMPTY_STRING);
  }

  private void deserializeToChanges(String json) {
    JsonElement element = new JsonParser().parse(json);
    JsonArray jsonArray = element.getAsJsonArray();
    if (jsonArray.size() > 0) {
      deserializeToChangeLists(jsonArray);
    } else {
      allChanges = emptyList();
      assignedChanges = emptyList();
    }
  }

  private void deserializeToChangeLists(JsonArray jsonArray) {
    if (jsonArray.get(0).isJsonObject()) {
      allChanges = toChangesList(jsonArray);
      assignedChanges = emptyList();
    } else {
      allChanges = toChangesList((JsonArray) jsonArray.get(0));
      assignedChanges = toChangesList((JsonArray) jsonArray.get(1));
    }
  }

  private List<Change> toChangesList(JsonArray jsonArray) {
    List<Change> result = new ArrayList<Change>();
    for (JsonElement jsonElement : jsonArray) {
      Change change = gson.fromJson(jsonElement, Change.class);
      result.add(change);
    }
    return result;
  }

  public List<Change> getAllChanges() {
    return allChanges;
  }

  public List<Change> getAssignedChanges() {
    return assignedChanges;
  }

}
Java Source Code List
