本文整理了Java中hudson.Util.fixNull()方法的一些代码示例，展示了Util.fixNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.fixNull()方法的具体详情如下：
包路径：hudson.Util
类名称：Util
方法名：fixNull

Util.fixNull介绍

暂无

代码示例

代码示例来源：origin: jenkinsci/jenkins

/**
 * Gets the upstream projects.
 * 
 * @return Upstream projects or empty("") if upstream projects is null.
 */
public String getUpstreamProjects() {
  return Util.fixNull(upstreamProjects);
}

代码示例来源：origin: jenkinsci/jenkins

public String getLabelString() {
  return fixNull(label).trim();
}

代码示例来源：origin: jenkinsci/jenkins

public String getLabelString() {
  return Util.fixNull(label).trim();
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Convert null to "".
 */
@Nonnull
public static String fixNull(@CheckForNull String s) {
  return fixNull(s, "");
}

代码示例来源：origin: jenkinsci/jenkins

/**
 *
 * @param l collection to check.
 * @param <T>
 *     Type of the collection.
 * @return
 *     {@code l} if l is not {@code null}.
 *     An empty <b>immutable set</b> if l is {@code null}.
 */
@Nonnull
public static <T> Collection<T> fixNull(@CheckForNull Collection<T> l) {
  return fixNull(l, Collections.<T>emptySet());
}

代码示例来源：origin: jenkinsci/jenkins

/**
 *
 * @param l iterable to check.
 * @param <T>
 *     Type of the iterable.
 * @return
 *     {@code l} if l is not {@code null}.
 *     An empty <b>immutable set</b> if l is {@code null}.
 */
@Nonnull
public static <T> Iterable<T> fixNull(@CheckForNull Iterable<T> l) {
  return fixNull(l, Collections.<T>emptySet());
}

代码示例来源：origin: jenkinsci/jenkins

/**
 *
 * @param l list to check.
 * @param <T>
 *     Type of the list.
 * @return
 *     {@code l} if l is not {@code null}.
 *     An empty <b>immutable list</b> if l is {@code null}.
 */
@Nonnull
public static <T> List<T> fixNull(@CheckForNull List<T> l) {
  return fixNull(l, Collections.<T>emptyList());
}

代码示例来源：origin: jenkinsci/jenkins

/**
 *
 * @param l set to check.
 * @param <T>
 *     Type of the set.
 * @return
 *     {@code l} if l is not {@code null}.
 *     An empty <b>immutable set</b> if l is {@code null}.
 */
@Nonnull
public static <T> Set<T> fixNull(@CheckForNull Set<T> l) {
  return fixNull(l, Collections.<T>emptySet());
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Gets the parameter as a file.
 */
protected final File getFileParameter(String paramName) {
  return new File(Util.fixNull(request.getParameter(paramName)));
}

代码示例来源：origin: jenkinsci/jenkins

public String getValue() {
  return Util.fixNull(current().node.value);
}

代码示例来源：origin: jenkinsci/jenkins

protected List<Action> createTransientActions() {
  Vector<Action> ta = new Vector<Action>();
  for (JobProperty<? super P> p : Util.fixNull(properties))
    ta.addAll(p.getJobActions((P)this));
  for (TransientProjectActionFactory tpaf : TransientProjectActionFactory.all()) {
    try {
      ta.addAll(Util.fixNull(tpaf.createFor(this))); // be defensive against null
    } catch (Exception e) {
      LOGGER.log(Level.SEVERE, "Could not load actions from " + tpaf + " for " + this, e);
    }
  }
  return ta;
}

代码示例来源：origin: jenkinsci/jenkins

@Override
@DataBoundSetter
public void setLabelString(String labelString) throws IOException {
  this.label = Util.fixNull(labelString).trim();
  // Compute labels now.
  getAssignedLabels();
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * 
 * @return original or trimmed defaultValue (depending on trim)
 */
@Restricted(DoNotUse.class) // Jelly
public String getDefaultValue4Build() {
  if (isTrim()) {
    return Util.fixNull(defaultValue).trim();
  }
  return defaultValue;
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Attempts to treat the given string first as a cipher text, and if it doesn't work,
 * treat the given string as the unencrypted secret value.
 *
 * <p>
 * Useful for recovering a value from a form field.
 */
@Nonnull
public static Secret fromString(@CheckForNull String data) {
  data = Util.fixNull(data);
  Secret s = decrypt(data);
  if(s==null) s=new Secret(data);
  return s;
}

代码示例来源：origin: jenkinsci/jenkins

/**
   * Performs syntax check.
   */
  public FormValidation doCheck(@QueryParameter String value) {
    try {
      String msg = CronTabList.create(fixNull(value)).checkSanity();
      if (msg != null)
        return FormValidation.warning(msg);
      return FormValidation.ok();
    } catch (ANTLRException e) {
      return FormValidation.error(e.getMessage());
    }
  }
}

代码示例来源：origin: jenkinsci/jenkins

public RenderOnDemandClosure(JellyContext context, String attributesToCapture) {
  List<Script> bodyStack = new ArrayList<Script>();
  for (JellyContext c = context; c!=null; c=c.getParent()) {
    Script script = (Script) c.getVariables().get("org.apache.commons.jelly.body");
    if(script!=null) bodyStack.add(script);
  }
  this.bodyStack = bodyStack.toArray(new Script[bodyStack.size()]);
  assert !bodyStack.isEmpty();    // there must be at least one, which is the direct child of <l:renderOnDemand>
  Map<String,Object> variables = new HashMap<String, Object>();
  for (String v : Util.fixNull(attributesToCapture).split(","))
    variables.put(v.intern(),context.getVariable(v));
  // capture the current base of context for descriptors
  currentDescriptorByNameUrl = Descriptor.getCurrentDescriptorByNameUrl();
  this.variables = PackedMap.of(variables);
  Set<String> _adjuncts = AdjunctsInPage.get().getIncluded();
  this.adjuncts = new String[_adjuncts.size()];
  int i = 0;
  for (String adjunct : _adjuncts) {
    this.adjuncts[i++] = adjunct.intern();
  }
}

代码示例来源：origin: jenkinsci/jenkins

@RequirePOST
public HttpResponse doSubmit(StaplerRequest req) throws IOException {
  String whitelist = Util.fixNull(req.getParameter("whitelist"));
  if (!whitelist.endsWith("\n"))
    whitelist+="\n";
  Enumeration e = req.getParameterNames();
  while (e.hasMoreElements()) {
    String name = (String) e.nextElement();
    if (name.startsWith("class:")) {
      whitelist += name.substring(6)+"\n";
    }
  }
  whitelisted.set(whitelist);
  String newRules = Util.fixNull(req.getParameter("filePathRules"));
  filePathRules.parseTest(newRules);  // test first before writing a potentially broken rules
  filePathRules.set(newRules);
  return HttpResponses.redirectToDot();
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Performs syntax check.
 */
public FormValidation doCheckSpec(@QueryParameter String value, @AncestorInPath Item item) {
  try {
    CronTabList ctl = CronTabList.create(fixNull(value), item != null ? Hash.from(item.getFullName()) : null);
    Collection<FormValidation> validations = new ArrayList<>();
    updateValidationsForSanity(validations, ctl);
    updateValidationsForNextRun(validations, ctl);
    return FormValidation.aggregate(validations);
  } catch (ANTLRException e) {
    if (value.trim().indexOf('\n')==-1 && value.contains("**"))
      return FormValidation.error(Messages.TimerTrigger_MissingWhitespace());
    return FormValidation.error(e.getMessage());
  }
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Convert a whitespace-separate list of tokens into a set of {@link Label}s.
 *
 * @param labels
 *      Strings like "abc def ghi". Can be empty or null.
 * @return
 *      Can be empty but never null. A new writable set is always returned,
 *      so that the caller can add more to the set.
 * @since 1.308
 */
public static Set<LabelAtom> parse(String labels) {
  final Set<LabelAtom> r = new TreeSet<>();
  labels = fixNull(labels);
  if(labels.length()>0) {
    final QuotedStringTokenizer tokenizer = new QuotedStringTokenizer(labels);
    while (tokenizer.hasMoreTokens())
      r.add(Jenkins.getInstance().getLabelAtom(tokenizer.nextToken()));
    }
  return r;
}

代码示例来源：origin: jenkinsci/jenkins

public void marshal(Object source, HierarchicalStreamWriter w, MarshallingContext context) {
  XStreamDOM dom = (XStreamDOM)source;
  w.startNode(unescape(dom.tagName));
  for (int i=0; i<dom.attributes.length; i+=2)
    w.addAttribute(unescape(dom.attributes[i]),dom.attributes[i+1]);
  if (dom.value!=null)
    w.setValue(dom.value);
  else {
    for (XStreamDOM c : Util.fixNull(dom.children)) {
      marshal(c, w, context);
    }
  }
  w.endNode();
}