com.google.common.reflect.ClassPath.getTopLevelClasses()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中com.google.common.reflect.ClassPath.getTopLevelClasses()方法的一些代码示例，展示了ClassPath.getTopLevelClasses()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。ClassPath.getTopLevelClasses()方法的具体详情如下：
包路径：com.google.common.reflect.ClassPath
类名称：ClassPath
方法名：getTopLevelClasses

ClassPath.getTopLevelClasses介绍

[英]Returns all top level classes loadable from the current class path.
[中]返回可从当前类路径加载的所有顶级类。

代码示例

代码示例来源：origin: google/guava

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: google/guava

/**
 * Returns all top level classes whose package name is {@code packageName} or starts with {@code
 * packageName} followed by a '.'.
 */
public ImmutableSet<ClassInfo> getTopLevelClassesRecursive(String packageName) {
 checkNotNull(packageName);
 String packagePrefix = packageName + '.';
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getName().startsWith(packagePrefix)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: google/guava

private List<Class<?>> loadClassesInPackage() throws IOException {
 List<Class<?>> classes = Lists.newArrayList();
 String packageName = getClass().getPackage().getName();
 for (ClassPath.ClassInfo classInfo :
   ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(packageName)) {
  Class<?> cls;
  try {
   cls = classInfo.load();
  } catch (NoClassDefFoundError e) {
   // In case there were linking problems, this is probably not a class we care to test anyway.
   logger.log(Level.SEVERE, "Cannot load class " + classInfo + ", skipping...", e);
   continue;
  }
  if (!cls.isInterface()) {
   classes.add(cls);
  }
 }
 return classes;
}

代码示例来源：origin: google/j2objc

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: google/j2objc

/**
 * Returns all top level classes whose package name is {@code packageName} or starts with {@code
 * packageName} followed by a '.'.
 */
public ImmutableSet<ClassInfo> getTopLevelClassesRecursive(String packageName) {
 checkNotNull(packageName);
 String packagePrefix = packageName + '.';
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getName().startsWith(packagePrefix)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: wildfly/wildfly

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: wildfly/wildfly

/**
 * Returns all top level classes whose package name is {@code packageName} or starts with {@code
 * packageName} followed by a '.'.
 */
public ImmutableSet<ClassInfo> getTopLevelClassesRecursive(String packageName) {
 checkNotNull(packageName);
 String packagePrefix = packageName + '.';
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getName().startsWith(packagePrefix)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: checkstyle/checkstyle

/**
 * Gets checkstyle's modules (directly, not recursively) in the given packages.
 * @param packages the collection of package names to use
 * @param loader the class loader used to load Checkstyle package names
 * @return the set of checkstyle's module classes
 * @throws IOException if the attempt to read class path resources failed
 * @see #isCheckstyleModule(Class)
 */
public static Set<Class<?>> getCheckstyleModules(
    Collection<String> packages, ClassLoader loader) throws IOException {
  final ClassPath classPath = ClassPath.from(loader);
  return packages.stream()
      .flatMap(pkg -> classPath.getTopLevelClasses(pkg).stream())
      .map(ClassPath.ClassInfo::load)
      .filter(ModuleReflectionUtil::isCheckstyleModule)
      .collect(Collectors.toSet());
}

代码示例来源：origin: Netflix/zuul

.map(String::trim)
.filter(blank.negate())
.flatMap(packageName -> cp.getTopLevelClasses(packageName).stream())
.map(ClassPath.ClassInfo::load)
.filter(ZuulFilter.class::isAssignableFrom)

代码示例来源：origin: google/guava

@AndroidIncompatible // Android forbids null parent ClassLoader
// https://github.com/google/guava/issues/2152
public void testJarFileWithSpaces() throws Exception {
 URL url = makeJarUrlWithName("To test unescaped spaces in jar file name.jar");
 URLClassLoader classloader = new URLClassLoader(new URL[] {url}, null);
 assertThat(ClassPath.from(classloader).getTopLevelClasses()).isNotEmpty();
}

代码示例来源：origin: Netflix/zuul

.map(String::trim)
.filter(blank.negate())
.flatMap(packageName -> cp.getTopLevelClasses(packageName).stream())
.map(ClassPath.ClassInfo::load)
.filter(ZuulFilter.class::isAssignableFrom)

代码示例来源：origin: jamesagnew/hapi-fhir

/**
 * This is really only useful for unit tests, do not call otherwise
 */
public static void scanEntities(String packageName) throws IOException, ClassNotFoundException {
  ImmutableSet<ClassInfo> classes = ClassPath.from(TestUtil.class.getClassLoader()).getTopLevelClasses(packageName);
  Set<String> names = new HashSet<String>();
  if (classes.size() <= 1) {
    throw new InternalErrorException("Found no classes");
  }
  for (ClassInfo classInfo : classes) {
    Class<?> clazz = Class.forName(classInfo.getName());
    Entity entity = clazz.getAnnotation(Entity.class);
    if (entity == null) {
      continue;
    }
    scanClass(names, clazz, false);
  }
}

代码示例来源：origin: apache/accumulo

.getTopLevelClasses(IteratorTestCase.class.getPackage().getName());

代码示例来源：origin: jamesagnew/hapi-fhir

ImmutableSet<ClassInfo> tlc = ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(StringDt.class.getPackage().getName());
for (ClassInfo classInfo : tlc) {
  DatatypeDef def = Class.forName(classInfo.getName()).getAnnotation(DatatypeDef.class);
ImmutableSet<ClassInfo> tlc = ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(thePackageBase + ".composite");
for (ClassInfo classInfo : tlc) {
  DatatypeDef def = Class.forName(classInfo.getName()).getAnnotation(DatatypeDef.class);

代码示例来源：origin: jamesagnew/hapi-fhir

components = ClassPath
  .from(VersionPropertyFileGeneratorMojo.class.getClassLoader())
  .getTopLevelClasses()
  .stream()
  .filter(t -> {

代码示例来源：origin: google/bundletool

@Test
public void eachSubValidatorIsRegistered() throws Exception {
 // Load sub-classes of SubValidator that live within the same package as top-level classes.
 ImmutableSet<Class<?>> existingSubValidators =
   ClassPath.from(SubValidator.class.getClassLoader())
     .getTopLevelClasses(Reflection.getPackageName(SubValidator.class))
     .stream()
     .map(ClassInfo::load)
     .filter(clazz -> isConcreteSubValidator(clazz))
     .collect(toImmutableSet());
 ImmutableSet<Class<?>> registeredSubValidators =
   ImmutableSet.<Class<?>>builder()
     .addAll(toClasses(AppBundleValidator.BUNDLE_FILE_SUB_VALIDATORS))
     .addAll(toClasses(AppBundleValidator.BUNDLE_SUB_VALIDATORS))
     .addAll(toClasses(BundleModulesValidator.MODULE_FILE_SUB_VALIDATORS))
     .addAll(toClasses(BundleModulesValidator.MODULES_SUB_VALIDATORS))
     .build();
 assertThat(existingSubValidators).containsExactlyElementsIn(registeredSubValidators);
}

代码示例来源：origin: stackoverflow.com

public static void main(String[] args) throws IOException {
  ClassPath p = ClassPath.from(ClassLoader.getSystemClassLoader()); // might need to provide different ClassLoader
  ImmutableSet<ClassInfo> classes = p.getTopLevelClasses("com.example");

  for (ClassInfo classInfo : classes) {
    Class clazz = classInfo.load();
    int modifiers = clazz.getModifiers();
    if (Modifier.isAbstract(modifiers)) {
      System.out.println("Class '" + clazz.getName() + "' is abstract.");
    }
  }
}

代码示例来源：origin: org.hudsonci.lib.guava/guava

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

代码示例来源：origin: at.bestsolution.efxclipse.eclipse/com.google.guava

/** Returns all top level classes whose package name is {@code packageName}. */
public ImmutableSet<ClassInfo> getTopLevelClasses(String packageName) {
 checkNotNull(packageName);
 ImmutableSet.Builder<ClassInfo> builder = ImmutableSet.builder();
 for (ClassInfo classInfo : getTopLevelClasses()) {
  if (classInfo.getPackageName().equals(packageName)) {
   builder.add(classInfo);
  }
 }
 return builder.build();
}

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