java.net.URLClassLoader.getURLs()方法的使用及代码示例

x33g5p2x  于2022-01-31 转载在 其他  
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本文整理了Java中java.net.URLClassLoader.getURLs()方法的一些代码示例，展示了URLClassLoader.getURLs()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。URLClassLoader.getURLs()方法的具体详情如下：
包路径：java.net.URLClassLoader
类名称：URLClassLoader
方法名：getURLs

URLClassLoader.getURLs介绍

[英]Returns the search list of this URLClassLoader.
[中]返回此URLClassLoader的搜索列表。

代码示例

代码示例来源：origin: wildfly/wildfly

public static String getClasspathString() {
 StringBuffer classpath = new StringBuffer();
 ClassLoader applicationClassLoader = VersionImpl.class.getClassLoader();
 URL[] urls = ((URLClassLoader) applicationClassLoader).getURLs();
 for (URL url : urls) {
   classpath.append(url.getFile()).append("\r\n");
 }
 return classpath.toString();
}

代码示例来源：origin: apache/incubator-dubbo

public JdkCompiler() {
  options = new ArrayList<String>();
  options.add("-source");
  options.add("1.6");
  options.add("-target");
  options.add("1.6");
  StandardJavaFileManager manager = compiler.getStandardFileManager(diagnosticCollector, null, null);
  final ClassLoader loader = Thread.currentThread().getContextClassLoader();
  if (loader instanceof URLClassLoader
      && (!loader.getClass().getName().equals("sun.misc.Launcher$AppClassLoader"))) {
    try {
      URLClassLoader urlClassLoader = (URLClassLoader) loader;
      List<File> files = new ArrayList<File>();
      for (URL url : urlClassLoader.getURLs()) {
        files.add(new File(url.getFile()));
      }
      manager.setLocation(StandardLocation.CLASS_PATH, files);
    } catch (IOException e) {
      throw new IllegalStateException(e.getMessage(), e);
    }
  }
  classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoaderImpl>() {
    @Override
    public ClassLoaderImpl run() {
      return new ClassLoaderImpl(loader);
    }
  });
  javaFileManager = new JavaFileManagerImpl(manager, classLoader);
}

代码示例来源：origin: jmxtrans/jmxtrans

private String getCurrentClasspath() {
  ClassLoader cl = ClassLoader.getSystemClassLoader();
  URL[] urls = ((URLClassLoader)cl).getURLs();
  return  Joiner.on(File.pathSeparator)
      .join(
          from(asList(urls))
              .transform(new Function<URL, String>() {
                @Nullable
                @Override
                public String apply(URL input) {
                  try {
                    return new File(input.toURI()).getPath();
                  } catch(URISyntaxException e) {
                    return input.getPath();
                  }
                }
              }));
}

代码示例来源：origin: h2oai/h2o-2

public VM(String[] java, String[] args) {
 _args = new ArrayList<String>();
 _args.add(System.getProperty("java.home") + "/bin/java");
 // Iterate on URIs in case jar has been unpacked by Boot
 _args.add("-cp");
 String cp = "";
 for( URL url : ((URLClassLoader) ClassLoader.getSystemClassLoader()).getURLs() ) {
  try {
   cp += new File(new URI(url.toString())) + File.pathSeparator;
  } catch( URISyntaxException e ) {
   throw Log.errRTExcept(e);
  }
 }
 _args.add(cp);
 _args.addAll(Arrays.asList(java));
 if( args != null )
  _args.addAll(Arrays.asList(args));
}

代码示例来源：origin: apache/incubator-dubbo

public JdkCompiler() {
  options = new ArrayList<String>();
  options.add("-source");
  options.add("1.6");
  options.add("-target");
  options.add("1.6");
  StandardJavaFileManager manager = compiler.getStandardFileManager(diagnosticCollector, null, null);
  final ClassLoader loader = Thread.currentThread().getContextClassLoader();
  if (loader instanceof URLClassLoader
      && (!loader.getClass().getName().equals("sun.misc.Launcher$AppClassLoader"))) {
    try {
      URLClassLoader urlClassLoader = (URLClassLoader) loader;
      List<File> files = new ArrayList<File>();
      for (URL url : urlClassLoader.getURLs()) {
        files.add(new File(url.getFile()));
      }
      manager.setLocation(StandardLocation.CLASS_PATH, files);
    } catch (IOException e) {
      throw new IllegalStateException(e.getMessage(), e);
    }
  }
  classLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoaderImpl>() {
    @Override
    public ClassLoaderImpl run() {
      return new ClassLoaderImpl(loader);
    }
  });
  javaFileManager = new JavaFileManagerImpl(manager, classLoader);
}

代码示例来源：origin: HotswapProjects/HotswapAgent

private static URL archivePathToURLViaURLClassLoader(URLClassLoader urlClassLoader, String archivePath) {
  URL[] urls = urlClassLoader.getURLs();
  if (urls != null) {
    for (URL url: urls) {
      String fileName = url.getFile();
      String checkedArchivePath = (fileName.endsWith("/") && !archivePath.endsWith("/")) ? (archivePath + "/") : archivePath;
      if (fileName.endsWith(checkedArchivePath)) {
        return archiveFilePathToURL(fileName);
      }
    }
  }
  return null;
}

代码示例来源：origin: redisson/redisson

URL[] urls = ((URLClassLoader) classLoader).getURLs();
  for (URL u : urls) {
    File f = FileUtil.toFile(u);
String[] bootstrapFiles = StringUtil.splitc(bootstrap, File.pathSeparatorChar);
for (String bootstrapFile: bootstrapFiles) {
  File f = new File(bootstrapFile);
  if (f.exists()) {
    try {

代码示例来源：origin: apache/kylin

static File[] extractRoots(ClassLoader loader, boolean recursive) {
  List<ClassLoader> loaders = new ArrayList<>();
  while (loader != null) {
    loaders.add(loader);
    if (!recursive)
      break;
    loader = loader.getParent();
  }
  
  List<File> roots = new ArrayList();
  
  // parent first
  for (int i = loaders.size() - 1; i >= 0; i--) {
    ClassLoader l = loaders.get(i);
    if (l instanceof URLClassLoader) {
      for (URL url : ((URLClassLoader) l).getURLs()) {
        // tricky: space is "%20" in URL
        File f = new File(url.getFile().replace("%20", " "));
        roots.add(f);
      }
    }
  }
  return (File[]) roots.toArray(new File[roots.size()]);
}

代码示例来源：origin: HotswapProjects/HotswapAgent

private static URL archivePathToURLViaURLClassLoader(URLClassLoader urlClassLoader, String archivePath) {
  URL[] urls = urlClassLoader.getURLs();
  if (urls != null) {
    for (URL url: urls) {
      String fileName = url.getFile();
      String checkedArchivePath = (fileName.endsWith("/") && !archivePath.endsWith("/")) ? (archivePath + "/") : archivePath;
      if (fileName.endsWith(checkedArchivePath)) {
        return archiveFilePathToURL(fileName);
      }
    }
  }
  return null;
}

代码示例来源：origin: eclipse-vertx/vert.x

if (extraClasspath != null) {
 for (String pathElement: extraClasspath) {
  File file = new File(pathElement);
  try {
   URL url = file.toURI().toURL();
urls.addAll(Arrays.asList(urlc.getURLs()));

代码示例来源：origin: ltsopensource/light-task-scheduler

URLClassLoader urlClassLoader = (URLClassLoader) loader;
List<File> files = new ArrayList<File>();
for (URL url : urlClassLoader.getURLs()) {
  files.add(new File(url.getFile()));

代码示例来源：origin: uber/NullAway

private void processClassPath() {
 URL[] classLoaderUrls =
   ((URLClassLoader) Thread.currentThread().getContextClassLoader()).getURLs();
 for (URL url : classLoaderUrls) {
  String path = url.getFile();
  if (path.matches(config.getJarInferRegexStripModelJarName())) {
   String name = path.replaceAll(config.getJarInferRegexStripModelJarName(), "$1");
   LOG(DEBUG, "DEBUG", "model jar name: " + name + "\tjar path: " + path);
   if (!mapModelJarLocations.containsKey(name))
    mapModelJarLocations.put(name, new LinkedHashSet<>());
   mapModelJarLocations.get(name).add(path);
  }
 }
}

代码示例来源：origin: rapidoid/rapidoid

public static synchronized Set<String> getClasspath() {
  if (CLASSPATH.isEmpty()) {
    String classpathProp = System.getProperty("java.class.path");
    if (classpathProp != null) {
      String[] classpathEntries = classpathProp.split(File.pathSeparator);
      for (String cpe : classpathEntries) {
        cpe = Str.trimr(cpe, '/');
        CLASSPATH.add(new File(cpe).getAbsolutePath());
      }
    }
    ClassLoader cl = ClassLoader.getSystemClassLoader();
    if (cl instanceof URLClassLoader) {
      URL[] urls = ((URLClassLoader) cl).getURLs();
      for (URL url : urls) {
        String path = URIs.urlDecode(Str.trimr(url.getPath(), '/'));
        CLASSPATH.add(new File(path).getAbsolutePath());
      }
    }
    if (U.isEmpty(appJar)) {
      inferAppJarFromClasspath();
    }
  }
  return CLASSPATH;
}

代码示例来源：origin: alibaba/yugong

private JavaFileManagerImpl buildFileManager(JdkCompilerClassLoader classLoader, ClassLoader loader,
                       DiagnosticCollector<JavaFileObject> diagnostics) {
  StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
  if (loader instanceof URLClassLoader
    && (!"sun.misc.Launcher$AppClassLoader".equalsIgnoreCase(loader.getClass().getName()))) {
    try {
      URLClassLoader urlClassLoader = (URLClassLoader) loader;
      List<File> paths = new ArrayList<File>();
      for (URL url : urlClassLoader.getURLs()) {
        File file = new File(url.getFile());
        paths.add(file);
      }
      fileManager.setLocation(StandardLocation.CLASS_PATH, paths);
    } catch (Throwable e) {
      throw new YuGongException(e);
    }
  }
  return new JavaFileManagerImpl(fileManager, classLoader);
}

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

URL[] urls = u.getURLs();
for(int i = 0; urls!=null && i<urls.length ; i++){
  try {
    cp.appendClassPath(urls[i].getFile());
  } catch (NotFoundException e) {
    Logger.println("S229", "[Error]" + e.getMessage());

代码示例来源：origin: org.codehaus.groovy/groovy

if (target == null) target = new File(".");
  while (cl != null) {
    if (cl instanceof URLClassLoader) {
      for (URL u : ((URLClassLoader) cl).getURLs()) {
        try {
          paths.add(new File(u.toURI()).getPath());
        } catch (URISyntaxException e) {
      paths.add(new File(codeSource.getLocation().toURI()).getPath());

代码示例来源：origin: ltsopensource/light-task-scheduler

URLClassLoader urlClassLoader = (URLClassLoader) loader;
List<File> files = new ArrayList<File>();
for (URL url : urlClassLoader.getURLs()) {
  files.add(new File(url.getFile()));

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

URL[] urls = u.getURLs();
for(int i = 0; urls!=null && i<urls.length ; i++){
    cp.appendClassPath(urls[i].getFile());
  } catch (NotFoundException e) {
    Logger.println("S219", "[Error]" + e.getMessage());

代码示例来源：origin: apache/incubator-druid

@Test
public void test06GetClassLoaderForExtension() throws IOException
{
 final File some_extension_dir = temporaryFolder.newFolder();
 final File a_jar = new File(some_extension_dir, "a.jar");
 final File b_jar = new File(some_extension_dir, "b.jar");
 final File c_jar = new File(some_extension_dir, "c.jar");
 a_jar.createNewFile();
 b_jar.createNewFile();
 c_jar.createNewFile();
 final URLClassLoader loader = Initialization.getClassLoaderForExtension(some_extension_dir, false);
 final URL[] expectedURLs = new URL[]{a_jar.toURI().toURL(), b_jar.toURI().toURL(), c_jar.toURI().toURL()};
 final URL[] actualURLs = loader.getURLs();
 Arrays.sort(actualURLs, Comparator.comparing(URL::getPath));
 Assert.assertArrayEquals(expectedURLs, actualURLs);
}

代码示例来源：origin: jOOQ/jOOR

for (URL url : ((URLClassLoader) cl).getURLs()) {
  if (classpath.length() > 0)
    classpath.append(separator);
    classpath.append(new File(url.getFile()));

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