@Test public void testExpandedClasspath() throws Exception { String jar = JarFinder.getJar(TestJarFinder.class); Assert.assertTrue(new File(jar).exists()); }
public static String getJar(Class klass) { Preconditions.checkNotNull(klass, "klass"); ClassLoader loader = klass.getClassLoader(); if (loader != null) { String class_file = klass.getName().replaceAll("\\.", "/") + ".class"; try { for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements(); ) { URL url = (URL) itr.nextElement(); String path = url.getPath(); if (path.startsWith("file:")) { path = path.substring("file:".length()); } path = URLDecoder.decode(path, "UTF-8"); if ("jar".equals(url.getProtocol())) { path = URLDecoder.decode(path, "UTF-8"); return path.replaceAll("!.*$", ""); } else if ("file".equals(url.getProtocol())) { String klassName = klass.getName(); klassName = klassName.replace(".", "/") + ".class"; path = path.substring(0, path.length() - klassName.length()); File baseDir = new File(path); File testDir = new File(System.getProperty("test.build.dir", "target/test-dir")); testDir = testDir.getAbsoluteFile(); if (!testDir.exists()) { testDir.mkdirs(); } File tempJar = File.createTempFile("hadoop-", "", testDir); tempJar = new File(tempJar.getAbsolutePath() + ".jar"); createJar(baseDir, tempJar); return tempJar.getAbsolutePath(); } } } catch (IOException e) { throw new RuntimeException(e); } } return null; }
JarFinder { public static String getJar(Class klass) { Preconditions.checkNotNull(klass, "klass"); ClassLoader loader = klass.getClassLoader(); if (loader != null) { String class_file = klass.getName().replaceAll("\\.", "/") + ".class"; try { for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements(); ) { URL url = (URL) itr.nextElement(); String path = url.getPath(); if (path.startsWith("file:")) { path = path.substring("file:".length()); } path = URLDecoder.decode(path, "UTF-8"); if ("jar".equals(url.getProtocol())) { path = URLDecoder.decode(path, "UTF-8"); return path.replaceAll("!.*$", ""); } else if ("file".equals(url.getProtocol())) { String klassName = klass.getName(); klassName = klassName.replace(".", "/") + ".class"; path = path.substring(0, path.length() - klassName.length()); File baseDir = new File(path); File testDir = new File(System.getProperty("test.build.dir", "target/test-dir")); testDir = testDir.getAbsoluteFile(); if (!testDir.exists()) { testDir.mkdirs(); } File tempJar = File.createTempFile("hadoop-", "", testDir); tempJar = new File(tempJar.getAbsolutePath() + ".jar"); createJar(baseDir, tempJar); return tempJar.getAbsolutePath(); } } } catch (IOException e) { throw new RuntimeException(e); } } return null; } }
JarFinder { public static String getJar(Class klass) { Preconditions.checkNotNull(klass, "klass"); ClassLoader loader = klass.getClassLoader(); if (loader != null) { String class_file = klass.getName().replaceAll("\\.", "/") + ".class"; try { for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements(); ) { URL url = (URL) itr.nextElement(); String path = url.getPath(); if (path.startsWith("file:")) { path = path.substring("file:".length()); } path = URLDecoder.decode(path, "UTF-8"); if ("jar".equals(url.getProtocol())) { path = URLDecoder.decode(path, "UTF-8"); return path.replaceAll("!.*$", ""); } else if ("file".equals(url.getProtocol())) { String klassName = klass.getName(); klassName = klassName.replace(".", "/") + ".class"; path = path.substring(0, path.length() - klassName.length()); File baseDir = new File(path); File testDir = new File(System.getProperty("test.build.dir", "target/test-dir")); testDir = testDir.getAbsoluteFile(); if (!testDir.exists()) { testDir.mkdirs(); } File tempJar = File.createTempFile("hadoop-", "", testDir); tempJar = new File(tempJar.getAbsolutePath() + ".jar"); createJar(baseDir, tempJar); return tempJar.getAbsolutePath(); } } } catch (IOException e) { throw new RuntimeException(e); } } return null; }  }
JarFinder { public static String getJar(Class klass) { Preconditions.checkNotNull(klass, "klass"); ClassLoader loader = klass.getClassLoader(); if (loader != null) { String class_file = klass.getName().replaceAll("\\.", "/") + ".class"; try { for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements(); ) { URL url = (URL) itr.nextElement(); String path = url.getPath(); if (path.startsWith("file:")) { path = path.substring("file:".length()); } path = URLDecoder.decode(path, "UTF-8"); if ("jar".equals(url.getProtocol())) { path = URLDecoder.decode(path, "UTF-8"); return path.replaceAll("!.*$", ""); } else if ("file".equals(url.getProtocol())) { String klassName = klass.getName(); klassName = klassName.replace(".", "/") + ".class"; path = path.substring(0, path.length() - klassName.length()); File baseDir = new File(path); File testDir = new File(System.getProperty("test.build.dir", "target/test-dir")); testDir = testDir.getAbsoluteFile(); if (!testDir.exists()) { testDir.mkdirs(); } File tempJar = File.createTempFile("hadoop-", "", testDir); tempJar = new File(tempJar.getAbsolutePath() + ".jar"); createJar(baseDir, tempJar); return tempJar.getAbsolutePath(); } } } catch (IOException e) { throw new RuntimeException(e); } } return null; }  static void jarDir(File dir, String relativePath, ZipOutputStream zos); static String getJar(Class klass); }
JarFinder { public static String getJar(Class klass) { Preconditions.checkNotNull(klass, "klass"); ClassLoader loader = klass.getClassLoader(); if (loader != null) { String class_file = klass.getName().replaceAll("\\.", "/") + ".class"; try { for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements(); ) { URL url = (URL) itr.nextElement(); String path = url.getPath(); if (path.startsWith("file:")) { path = path.substring("file:".length()); } path = URLDecoder.decode(path, "UTF-8"); if ("jar".equals(url.getProtocol())) { path = URLDecoder.decode(path, "UTF-8"); return path.replaceAll("!.*$", ""); } else if ("file".equals(url.getProtocol())) { String klassName = klass.getName(); klassName = klassName.replace(".", "/") + ".class"; path = path.substring(0, path.length() - klassName.length()); File baseDir = new File(path); File testDir = new File(System.getProperty("test.build.dir", "target/test-dir")); testDir = testDir.getAbsoluteFile(); if (!testDir.exists()) { testDir.mkdirs(); } File tempJar = File.createTempFile("hadoop-", "", testDir); tempJar = new File(tempJar.getAbsolutePath() + ".jar"); createJar(baseDir, tempJar); return tempJar.getAbsolutePath(); } } } catch (IOException e) { throw new RuntimeException(e); } } return null; }  static void jarDir(File dir, String relativePath, ZipOutputStream zos); static String getJar(Class klass);  }