java.util.jar.Manifest.getMainAttributes()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
字(9.2k)|赞(0)|评价(0)|浏览(294)

本文整理了Java中java.util.jar.Manifest.getMainAttributes()方法的一些代码示例，展示了Manifest.getMainAttributes()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。Manifest.getMainAttributes()方法的具体详情如下：
包路径：java.util.jar.Manifest
类名称：Manifest
方法名：getMainAttributes

Manifest.getMainAttributes介绍

[英]Returns the main Attributes of the JarFile.
[中]返回文件的主要属性。

代码示例

代码示例来源：origin: jenkinsci/jenkins

  1. private String getVersionOf(Manifest manifest) {
  2.   String v = manifest.getMainAttributes().getValue("Plugin-Version");
  3.   if(v!=null)      return v;
  4.   // plugins generated before maven-hpi-plugin 1.3 should still have this attribute
  5.   v = manifest.getMainAttributes().getValue("Implementation-Version");
  6.   if(v!=null)      return v;
  7.   return "???";
  8. }

代码示例来源：origin: jenkinsci/jenkins

  1. protected String identifyPluginShortName(File t) {
  2.   try {
  3.     JarFile j = new JarFile(t);
  4.     try {
  5.       String name = j.getManifest().getMainAttributes().getValue("Short-Name");
  6.       if (name!=null) return name;
  7.     } finally {
  8.       j.close();
  9.     }
  10.   } catch (IOException e) {
  11.     LOGGER.log(WARNING, "Failed to identify the short name from "+t,e);
  12.   }
  13.   return FilenameUtils.getBaseName(t.getName());    // fall back to the base name of what's uploaded
  14. }

代码示例来源：origin: gocd/gocd

  1. private static String defaultMainClassName(JarFile jarFile) throws IOException {
  2.     return jarFile.getManifest().getMainAttributes().getValue("GoCD-Main-Class");
  3.   }
  4. }

代码示例来源：origin: skylot/jadx

  1. public static String getVersion() {
  2.     try {
  3.       ClassLoader classLoader = Jadx.class.getClassLoader();
  4.       if (classLoader != null) {
  5.         Enumeration<URL> resources = classLoader.getResources("META-INF/MANIFEST.MF");
  6.         while (resources.hasMoreElements()) {
  7.           Manifest manifest = new Manifest(resources.nextElement().openStream());
  8.           String ver = manifest.getMainAttributes().getValue("jadx-version");
  9.           if (ver != null) {
  10.             return ver;
  11.           }
  12.         }
  13.       }
  14.     } catch (Exception e) {
  15.       LOG.error("Can't get manifest file", e);
  16.     }
  17.     return "dev";
  18.   }
  19. }

代码示例来源：origin: jenkinsci/jenkins

  1. private static void parseClassPath(Manifest manifest, File archive, List<File> paths, String attributeName, String separator) throws IOException {
  2.   String classPath = manifest.getMainAttributes().getValue(attributeName);
  3.   if(classPath==null) return; // attribute not found
  4.   for (String s : classPath.split(separator)) {
  5.     File file = resolve(archive, s);
  6.     if(file.getName().contains("*")) {
  7.       // handle wildcard
  8.       FileSet fs = new FileSet();
  9.       File dir = file.getParentFile();
  10.       fs.setDir(dir);
  11.       fs.setIncludes(file.getName());
  12.       for( String included : fs.getDirectoryScanner(new Project()).getIncludedFiles() ) {
  13.         paths.add(new File(dir,included));
  14.       }
  15.     } else {
  16.       if(!file.exists())
  17.         throw new IOException("No such file: "+file);
  18.       paths.add(file);
  19.     }
  20.   }
  21. }

代码示例来源：origin: stackoverflow.com

  1. Manifest manifest = new Manifest();
  2. manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
  3. JarOutputStream target = new JarOutputStream(new FileOutputStream("output.jar"), manifest);
  4. add(new File("inputDirectory"), target);
  5. target.close();

代码示例来源：origin: apache/hive

  1. /**
  2.  * Loads the manifest attributes from the jar.
  3.  *
  4.  * @throws java.net.MalformedURLException
  5.  * @throws IOException
  6.  */
  7. private static synchronized void loadManifestAttributes() throws IOException {
  8.  if (manifestAttributes != null) {
  9.   return;
  10.  }
  11.  Class<?> clazz = HiveDriver.class;
  12.  String classContainer = clazz.getProtectionDomain().getCodeSource()
  13.    .getLocation().toString();
  14.  URL manifestUrl = new URL("jar:" + classContainer
  15.    + "!/META-INF/MANIFEST.MF");
  16.  Manifest manifest = new Manifest(manifestUrl.openStream());
  17.  manifestAttributes = manifest.getMainAttributes();
  18. }

代码示例来源：origin: aws/aws-sdk-java

  1. private static String kotlinVersionByJar() {
  2.   StringBuilder kotlinVersion = new StringBuilder("");
  3.   JarInputStream kotlinJar = null;
  4.   try {
  5.     Class<?> kotlinUnit = Class.forName("kotlin.Unit");
  6.     kotlinVersion.append("kotlin");
  7.     kotlinJar = new JarInputStream(kotlinUnit.getProtectionDomain().getCodeSource().getLocation().openStream());
  8.     String version = kotlinJar.getManifest().getMainAttributes().getValue("Implementation-Version");
  9.     concat(kotlinVersion, version, "/");
  10.   } catch (ClassNotFoundException e) {
  11.     //Ignore
  12.   } catch (Exception e) {
  13.     if (log.isTraceEnabled()) {
  14.       log.trace("Exception attempting to get Kotlin version.", e);
  15.     }
  16.   } finally {
  17.     closeQuietly(kotlinJar, log);
  18.   }
  19.   return kotlinVersion.toString();
  20. }

代码示例来源：origin: scouter-project/scouter

  1. public static void print() throws IOException {
  2.   InputStream manifestStream = Thread.currentThread().getContextClassLoader()
  3.       .getResourceAsStream("META-INF/MANIFEST.MF");
  4.   try {
  5.     Manifest manifest = new Manifest(manifestStream);
  6.     Attributes attributes = manifest.getMainAttributes();
  7.     String impVersion = attributes.getValue("Implementation-Version");
  8.     System.out.println(attributes);
  9.   } catch (IOException ex) {
  10.     ex.printStackTrace();
  11.   }
  12. }

代码示例来源：origin: redisson/redisson

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. public File toJar(File file) throws IOException {
  5.   Manifest manifest = new Manifest();
  6.   manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, MANIFEST_VERSION);
  7.   return toJar(file, manifest);
  8. }

代码示例来源：origin: pxb1988/dex2jar

  1. Manifest input = jar.getManifest();
  2. Manifest output = new Manifest();
  3. Attributes main = output.getMainAttributes();
  4. if (input != null) {
  5.   main.putAll(input.getMainAttributes());

代码示例来源：origin: robovm/robovm

  1. /**
  2.    * Gets all attributes of the manifest file referenced by this {@code
  3.    * JarURLConnection}. If this instance refers to a JAR-file rather than a
  4.    * JAR-file entry, {@code null} will be returned.
  5.    *
  6.    * @return the attributes of the manifest file or {@code null}.
  7.    * @throws IOException
  8.    *                if an I/O exception occurs while retrieving the {@code
  9.    *                JarFile}.
  10.    */
  11.   public Attributes getMainAttributes() throws java.io.IOException {
  12.     Manifest m = getJarFile().getManifest();
  13.     return (m == null) ? null : m.getMainAttributes();
  14.   }
  15. }

代码示例来源：origin: stackoverflow.com

  1. Class clazz = MyClass.class;
  2. String className = clazz.getSimpleName() + ".class";
  3. String classPath = clazz.getResource(className).toString();
  4. if (!classPath.startsWith("jar")) {
  5.  // Class not from JAR
  6.  return;
  7. }
  8. String manifestPath = classPath.substring(0, classPath.lastIndexOf("!") + 1) + 
  9.   "/META-INF/MANIFEST.MF";
  10. Manifest manifest = new Manifest(new URL(manifestPath).openStream());
  11. Attributes attr = manifest.getMainAttributes();
  12. String value = attr.getValue("Manifest-Version");

代码示例来源：origin: gocd/gocd

  1. public static String getCruiseVersion(String jar) {
  2.   String version = null;
  3.   try {
  4.     JarFile jarFile = new JarFile(jar);
  5.     Manifest manifest = jarFile.getManifest();
  6.     if (manifest != null) {
  7.       Attributes attributes = manifest.getMainAttributes();
  8.       version = attributes.getValue("Go-Version");
  9.     }
  10.   } catch (IOException e) {
  11.   }
  12.   return version;
  13. }

代码示例来源：origin: redisson/redisson

  1. Attributes attributes = manifest.getMainAttributes();
  2. if (attributes == null) {
  3.   return;
  4. String s = attributes.getValue(Attributes.Name.CLASS_PATH);
  5. if (s == null) {
  6.   return;
  7.     file = new File(base, t);
  8.     file = file.getCanonicalFile();
  9.     if (!file.exists()) {
  10.       file = new File(t);
  11.       file = file.getCanonicalFile();
  12.       if (!file.exists()) {
  13.       URL url = new URL(t);
  14.       file = new File(url.getFile());
  15.       file = file.getCanonicalFile();
  16.       if (!file.exists()) {

代码示例来源：origin: apache/geode

  1. Path locationPath = new File(location).getCanonicalFile().toPath();
  2. Files.createDirectories(locationPath);
  3. Manifest manifest = new Manifest();
  4. Attributes global = manifest.getMainAttributes();
  5. global.put(Attributes.Name.MANIFEST_VERSION, "1.0.0");
  6. global.put(new Attributes.Name("Class-Path"), String.join(" ", manifestEntries));

代码示例来源：origin: chewiebug/GCViewer

  1. /**
  2.  * Returns Manifest-Attributes for MANIFEST.MF, if running for a .jar file
  3.  *
  4.  * @return Manifest Attributes (may be empty but never null)
  5.  * @throws IOException If something went wrong finding the MANIFEST file
  6.  * @see <a href="http://stackoverflow.com/a/1273432">stackoverflow article</a>
  7.  */
  8. private static Attributes getAttributes() throws IOException {
  9.   Class clazz = BuildInfoReader.class;
  10.   String className = clazz.getSimpleName() + ".class";
  11.   String classPath = clazz.getResource(className).toString();
  12.   if (!classPath.startsWith("jar")) {
  13.     // Class not from JAR
  14.     return new Attributes(0);
  15.   }
  16.   String manifestPath = classPath.substring(0, classPath.lastIndexOf("!") + 1) + FILE_NAME;
  17.   Manifest manifest = new Manifest(new URL(manifestPath).openStream());
  18.   return manifest.getMainAttributes();
  19. }

代码示例来源：origin: jenkinsci/jenkins

  1. static String computeShortName(Manifest manifest, String fileName) {
  2.   // use the name captured in the manifest, as often plugins
  3.   // depend on the specific short name in its URLs.
  4.   String n = manifest.getMainAttributes().getValue("Short-Name");
  5.   if(n!=null)     return n;
  6.   // maven seems to put this automatically, so good fallback to check.
  7.   n = manifest.getMainAttributes().getValue("Extension-Name");
  8.   if(n!=null)     return n;
  9.   // otherwise infer from the file name, since older plugins don't have
  10.   // this entry.
  11.   return getBaseName(fileName);
  12. }

代码示例来源：origin: scouter-project/scouter

  1. public static void print() throws IOException {
  2.   InputStream manifestStream = Thread.currentThread().getContextClassLoader()
  3.       .getResourceAsStream("META-INF/MANIFEST.MF");
  4.   try {
  5.     Manifest manifest = new Manifest(manifestStream);
  6.     Attributes attributes = manifest.getMainAttributes();
  7.     String impVersion = attributes.getValue("Implementation-Version");
  8.     System.out.println(attributes);
  9.   } catch (IOException ex) {
  10.     ex.printStackTrace();
  11.   }
  12. }

代码示例来源：origin: gocd/gocd

  1. private static String getManifestKey(JarFile jarFile, String key) {
  2.   try {
  3.     Manifest manifest = jarFile.getManifest();
  4.     if (manifest != null) {
  5.       Attributes attributes = manifest.getMainAttributes();
  6.       return attributes.getValue(key);
  7.     }
  8.   } catch (IOException e) {
  9.     LOG.error("Exception while trying to read key {} from manifest of {}", key, jarFile.getName(), e);
  10.   }
  11.   return null;
  12. }

内容来源于网络，如有侵权，请联系作者删除！

Manifest

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com