Java StringUtil.emptyIfNull方法代码示例

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
public static <T extends CloudImageDetails> Collection<T> parseImageData(Class<T> clazz, final CloudClientParameters params) {
    Gson gson = new Gson();
    final String imageData = StringUtil.emptyIfNull(params.getParameter(CloudImageParameters.SOURCE_IMAGES_JSON));
    if (StringUtil.isEmpty(imageData)) {
        return Collections.emptyList();
    }

    final ListParametrizedType listType = new ListParametrizedType(clazz);
    final List<T> images = gson.fromJson(imageData, listType);
    if (CloudImagePasswordDetails.class.isAssignableFrom(clazz)) {
        final String passwordData = params.getParameter("secure:passwords_data");
        final Map<String, String> data = gson.fromJson(passwordData, stringStringMapType);
        if (data != null) {
            for (T image : images) {
                final CloudImagePasswordDetails userImage = (CloudImagePasswordDetails) image;
                if (data.get(image.getSourceId()) != null) {
                    userImage.setPassword(data.get(image.getSourceId()));
                }
            }
        }
    }

    return new ArrayList<>(images);
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
@NotNull
@Override
public BuildProcess createBuildProcess(@NotNull final AgentRunningBuild runningBuild,
                                       @NotNull final BuildRunnerContext context) throws RunBuildException {

  final Map<String, String> runnerParameters = context.getRunnerParameters();
  final String username = StringUtil.emptyIfNull(runnerParameters.get(DeployerRunnerConstants.PARAM_USERNAME));
  final String password = StringUtil.emptyIfNull(runnerParameters.get(DeployerRunnerConstants.PARAM_PASSWORD));
  final String target = StringUtil.emptyIfNull(runnerParameters.get(DeployerRunnerConstants.PARAM_TARGET_URL));
  final String sourcePaths = runnerParameters.get(DeployerRunnerConstants.PARAM_SOURCE_PATH);

  final Collection<ArtifactsPreprocessor> preprocessors = myExtensionHolder.getExtensions(ArtifactsPreprocessor.class);

  final ArtifactsBuilder builder = new ArtifactsBuilder();
  builder.setPreprocessors(preprocessors);
  builder.setBaseDir(runningBuild.getCheckoutDirectory());
  builder.setArtifactsPaths(sourcePaths);

  final List<ArtifactsCollection> artifactsCollections = builder.build();

  return getDeployerProcess(context, username, password, target, artifactsCollections);
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
public VmwareCloudImageDetails(@NotNull final CloudImageParameters imageParameters){
  myCustomizationSpec = imageParameters.getParameter(VmwareConstants.CUSTOMIZATION_SPEC);
  myMaxInstances = StringUtil.parseInt(StringUtil.emptyIfNull(imageParameters.getParameter(VmwareConstants.MAX_INSTANCES)), 0);
  mySourceVmName = imageParameters.getParameter(VmwareConstants.SOURCE_VM_NAME);
  myFolderId = imageParameters.getParameter(VmwareConstants.FOLDER);
  myResourcePoolId = imageParameters.getParameter(VmwareConstants.RESOURCE_POOL);
  myCloneBehaviour = CloneBehaviour.valueOf(imageParameters.getParameter(VmwareConstants.BEHAVIOUR));
  mySnapshotName = StringUtil.emptyIfNull(imageParameters.getParameter(VmwareConstants.SNAPSHOT));
  myNickname = StringUtil.nullIfEmpty(imageParameters.getParameter(VmwareConstants.NICKNAME));
  myAgentPoolId = imageParameters.getAgentPoolId();
  if (myCloneBehaviour.isUseOriginal()){
    mySourceId = mySourceVmName;
  } else {
    mySourceId = myNickname == null ? mySourceVmName : myNickname;
  }
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
@Override
protected T checkAndCreateImage(@NotNull D imageDetails) {
  final String profileId = StringUtil.emptyIfNull(myParameters.getParameter("profileId"));
  final String sourceId = imageDetails.getSourceId();
  final T cloudImage = createImage(imageDetails);

  // Try to find existing images
  final T image = (T) myImagesHolder.findImage(profileId, sourceId);
  if (image != null) {
    for (G instance : image.getInstances()) {
      cloudImage.addInstance(instance);
    }
  } else {
    try {
      final Map<String, AbstractInstance> realInstances = myApiConnector.fetchInstances(cloudImage);
      cloudImage.detectNewInstances(realInstances);
    } catch (CheckedCloudException e) {
      final String message = String.format("Failed to get instances for image %s: %s", sourceId, e.getMessage());
      LOG.warnAndDebugDetails(message, e);
      cloudImage.updateErrors(TypedCloudErrorInfo.fromException(e));
    }
  }

  myImagesHolder.addImage(profileId, cloudImage);

  return cloudImage;
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
@NotNull
private String getPatternsForBuild(@NotNull final BuildCleanupContext cleanupContext, @NotNull final SBuild build) {
  if (cleanupContext.getCleanupLevel().isCleanHistoryEntry()) return StringUtil.EMPTY;

  final CleanupPolicy policy = cleanupContext.getCleanupPolicyForBuild(build.getBuildId());
  return StringUtil.emptyIfNull(policy.getParameters().get(HistoryRetentionPolicy.ARTIFACT_PATTERNS_PARAM));
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
@Nullable
@Override
protected ModelAndView doHandle(@NotNull HttpServletRequest request, @NotNull HttpServletResponse response) throws Exception {
  String fileFormat = StringUtil.emptyIfNull(request.getParameter("format"));
  GraphFormat format = myFormats.get(fileFormat.toLowerCase());
  if (format == null) {
    return simpleView("Supported formats: " + myFormats.keySet());
  }

  String result;

  String promoId = request.getParameter("promotionId");
  if (promoId != null) {
    BuildPromotion promotion = myBuildPromotionManager.findPromotionById(Long.parseLong(promoId));
    if (promotion == null) return simpleView("Build promotion does not exist: " + promoId);
    result = format.export(new PromotionNode(promotion));
  } else {
    String buildTypeId = request.getParameter("buildTypeId");
    if (buildTypeId == null) {
      return simpleView("Neither 'promotionId' nor 'buildTypeId' parameters are specified");
    }
    final SBuildType buildType = myProjectManager.findBuildTypeByExternalId(buildTypeId);
    if (buildType == null) {
      return simpleView("Build configuration with id '" + buildTypeId + "' is not found");
    }
    result = format.export(new BuildTypeNode(buildType));
  }

  response.setContentType("text/plain");
  PrintWriter writer = response.getWriter();
  writer.print(result);
  writer.close();
  return null;
}
 

import jetbrains.buildServer.util.StringUtil; //导入方法依赖的package包/类
@NotNull
public static VSONotificationUserSettingsBean createFromUserSettings(@NotNull User user) {
  final String account = StringUtil.emptyIfNull(VSOUserProperties.getAccount(user));
  final String teamRoomName = StringUtil.emptyIfNull(VSOUserProperties.getTeamRoomName(user));
  final String username = StringUtil.emptyIfNull(VSOUserProperties.getUsername(user));
  final String password = StringUtil.emptyIfNull(VSOUserProperties.getPassword(user));
  return new VSONotificationUserSettingsBean(account, teamRoomName, username, password);
}