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Elasticsearch subproject :distribution:archives:integ-test-zip
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.common;
import java.lang.reflect.Modifier;
public class Classes {
/**
* The package separator character '.'
*/
private static final char PACKAGE_SEPARATOR = '.';
/**
* Determine the name of the package of the given class:
* e.g. "java.lang" for the java.lang.String
class.
*
* @param clazz the class
* @return the package name, or the empty String if the class
* is defined in the default package
*/
public static String getPackageName(Class clazz) {
String className = clazz.getName();
int lastDotIndex = className.lastIndexOf(PACKAGE_SEPARATOR);
return (lastDotIndex != -1 ? className.substring(0, lastDotIndex) : "");
}
public static boolean isInnerClass(Class clazz) {
return Modifier.isStatic(clazz.getModifiers()) == false && clazz.getEnclosingClass() != null;
}
public static boolean isConcrete(Class clazz) {
int modifiers = clazz.getModifiers();
return clazz.isInterface() == false && Modifier.isAbstract(modifiers) == false;
}
private Classes() {}
}