本文整理了Java中hudson.Util.intern()方法的一些代码示例，展示了Util.intern()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.intern()方法的具体详情如下：
包路径：hudson.Util
类名称：Util
方法名：intern

Util.intern介绍

[英]Null-safe String intern method.
[中]空安全字符串实习生方法。

代码示例

代码示例来源：origin: jenkinsci/jenkins

/** Returns the input strings, but with all values interned. */
public static String[] internInPlace(String[] input) {
  if (input == null) {
    return null;
  } else if (input.length == 0) {
    return EMPTY_STRING_ARRAY;
  }
  for (int i=0; i<input.length; i++) {
    input[i] = Util.intern(input[i]);
  }
  return input;
}

代码示例来源：origin: jenkinsci/jenkins

public Dependency(String s) {
  int idx = s.indexOf(':');
  if(idx==-1)
    throw new IllegalArgumentException("Illegal dependency specifier "+s);
  this.shortName = Util.intern(s.substring(0,idx));
  String version = Util.intern(s.substring(idx+1));
  boolean isOptional = false;
  String[] osgiProperties = version.split("[;]");
  for (int i = 1; i < osgiProperties.length; i++) {
    String osgiProperty = osgiProperties[i].trim();
    if (osgiProperty.equalsIgnoreCase("resolution:=optional")) {
      isOptional = true;
    }
  }
  this.optional = isOptional;
  if (isOptional) {
    this.version = osgiProperties[0];
  } else {
    this.version = version;
  }
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * @param archive
 *      A .jpi archive file jar file, or a .jpl linked plugin.
 *  @param manifest
 *      The manifest for the plugin
 *  @param baseResourceURL
 *      A URL pointing to the resources for this plugin
 *  @param classLoader
 *      a classloader that loads classes from this plugin and its dependencies
 *  @param disableFile
 *      if this file exists on startup, the plugin will not be activated
 *  @param dependencies a list of mandatory dependencies
 *  @param optionalDependencies a list of optional dependencies
 */
public PluginWrapper(PluginManager parent, File archive, Manifest manifest, URL baseResourceURL, 
    ClassLoader classLoader, File disableFile, 
    List<Dependency> dependencies, List<Dependency> optionalDependencies) {
  this.parent = parent;
  this.manifest = manifest;
  this.shortName = Util.intern(computeShortName(manifest, archive.getName()));
  this.baseResourceURL = baseResourceURL;
  this.classLoader = classLoader;
  this.disableFile = disableFile;
  this.active = !disableFile.exists();
  this.dependencies = dependencies;
  this.optionalDependencies = optionalDependencies;
  this.archive = archive;
}

代码示例来源：origin: jenkinsci/jenkins

public WarningVersionRange(JSONObject o) {
  this.name = Util.fixEmpty(o.optString("name"));
  this.firstVersion = Util.intern(Util.fixEmpty(o.optString("firstVersion")));
  this.lastVersion = Util.intern(Util.fixEmpty(o.optString("lastVersion")));
  Pattern p;
  try {
    p = Pattern.compile(o.getString("pattern"));
  } catch (PatternSyntaxException ex) {
    LOGGER.log(Level.WARNING, "Failed to compile pattern '" + o.getString("pattern") + "', using '.*' instead", ex);
    p = Pattern.compile(".*");
  }
  this.pattern = p;
}

代码示例来源：origin: jenkinsci/jenkins

Entry(String sourceId, JSONObject o, String baseURL) {
  this.sourceId = sourceId;
  this.name = Util.intern(o.getString("name"));
  this.version = Util.intern(o.getString("version"));
  // Trim this to prevent issues when the other end used Base64.encodeBase64String that added newlines
  // to the end in old commons-codec. Not the case on updates.jenkins-ci.org, but let's be safe.
  this.sha1 = Util.fixEmptyAndTrim(o.optString("sha1"));
  this.sha256 = Util.fixEmptyAndTrim(o.optString("sha256"));
  this.sha512 = Util.fixEmptyAndTrim(o.optString("sha512"));
  String url = o.getString("url");
  if (!URI.create(url).isAbsolute()) {
    if (baseURL == null) {
      throw new IllegalArgumentException("Cannot resolve " + url + " without a base URL");
    }
    url = URI.create(baseURL).resolve(url).toString();
  }
  this.url = url;
}

代码示例来源：origin: jenkinsci/jenkins

@DataBoundConstructor
public Plugin(String sourceId, JSONObject o) {
  super(sourceId, o, UpdateSite.this.url);
  this.wiki = get(o,"wiki");
  this.title = get(o,"title");
  this.excerpt = get(o,"excerpt");
  this.compatibleSinceVersion = Util.intern(get(o,"compatibleSinceVersion"));
  this.minimumJavaVersion = Util.intern(get(o, "minimumJavaVersion"));
  this.requiredCore = Util.intern(get(o,"requiredCore"));
  this.categories = o.has("labels") ? internInPlace((String[])o.getJSONArray("labels").toArray(EMPTY_STRING_ARRAY)) : null;
  JSONArray ja = o.getJSONArray("dependencies");
  int depCount = (int)(ja.stream().filter(IS_DEP_PREDICATE.and(IS_NOT_OPTIONAL)).count());
  int optionalDepCount = (int)(ja.stream().filter(IS_DEP_PREDICATE.and(IS_NOT_OPTIONAL.negate())).count());
  dependencies = getPresizedMutableMap(depCount);
  optionalDependencies = getPresizedMutableMap(optionalDepCount);
  for(Object jo : o.getJSONArray("dependencies")) {
    JSONObject depObj = (JSONObject) jo;
    // Make sure there's a name attribute and that the optional value isn't true.
    String depName = Util.intern(get(depObj,"name"));
    if (depName!=null) {
      if (get(depObj, "optional").equals("false")) {
        dependencies.put(depName, Util.intern(get(depObj, "version")));
      } else {
        optionalDependencies.put(depName, Util.intern(get(depObj, "version")));
      }
    }
  }
}

代码示例来源：origin: jenkinsci/jenkins

/**
 *
 * @param o the {@link JSONObject} representing the warning
 * @throws JSONException if the argument does not match the expected format
 */
@Restricted(NoExternalUse.class)
public Warning(JSONObject o) {
  try {
    this.type = Type.valueOf(o.getString("type").toUpperCase(Locale.US));
  } catch (IllegalArgumentException ex) {
    this.type = Type.UNKNOWN;
  }
  this.id = o.getString("id");
  this.component = Util.intern(o.getString("name"));
  this.message = o.getString("message");
  this.url = o.getString("url");
  if (o.has("versions")) {
    JSONArray versions = o.getJSONArray("versions");
    List<WarningVersionRange> ranges = new ArrayList<>(versions.size());
    for (int i = 0; i < versions.size(); i++) {
      WarningVersionRange range = new WarningVersionRange(versions.getJSONObject(i));
      ranges.add(range);
    }
    this.versionRanges = Collections.unmodifiableList(ranges);
  } else {
    this.versionRanges = Collections.emptyList();
  }
}

代码示例来源：origin: jenkinsci/jenkins

Data(JSONObject o) {
  this.sourceId = Util.intern((String)o.get("id"));
  JSONObject c = o.optJSONObject("core");
  if (c!=null) {
    plugins.put(Util.intern(e.getKey()), p);

代码示例来源：origin: org.jvnet.hudson.main/maven-plugin

/**
 * Lots of {@link ExecutedMojo}s tend to have the same groupId, artifactId, etc., so interning them help
 * with memory consumption.
 *
 * TODO: better if XStream has a declarative way of marking fields as "target for intern".
 */
ExecutedMojo readResolve() {
  return new ExecutedMojo(intern(groupId),intern(artifactId),intern(version),intern(goal),intern(executionId),duration,intern(digest));
}

代码示例来源：origin: jenkinsci/maven-plugin

/**
 * Lots of {@link ExecutedMojo}s tend to have the same groupId, artifactId, etc., so interning them help
 * with memory consumption.
 *
 * TODO: better if XStream has a declarative way of marking fields as "target for intern".
 */
protected Object readResolve() {
  return new ExecutedMojo(intern(groupId),intern(artifactId),intern(version),intern(goal),intern(executionId),duration,intern(digest));
}

代码示例来源：origin: jenkinsci/maven-plugin

public void setMavenVersionUsed( String mavenVersionUsed ) throws IOException {
  this.mavenVersionUsed = Util.intern(mavenVersionUsed);
  save();
}