org.tomitribe.util.reflect.StackTraceElements Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.tomitribe.util.reflect;
import java.util.Arrays;
import java.util.Iterator;
public class StackTraceElements {
private StackTraceElements() {
}
public static StackTraceElement getCurrentMethod() {
final Iterator stackTrace = seek(StackTraceElements.class, "getCurrentMethod");
return stackTrace.next();
}
public static StackTraceElement getCallingMethod() {
final Iterator stackTrace = seek(StackTraceElements.class, "getCallingMethod");
stackTrace.next();
return stackTrace.next();
}
private static Iterator seek(final Class clazz, final String method) {
final Iterator stackTrace = Arrays.asList(new Exception().fillInStackTrace().getStackTrace()).iterator();
while (stackTrace.hasNext()) {
final StackTraceElement next = stackTrace.next();
if (next.getClassName().equals(clazz.getName()) && next.getMethodName().equals(method)) {
break;
}
}
return stackTrace;
}
public static Class asClass(final StackTraceElement stackTraceElement) throws ClassNotFoundException {
return asClass(stackTraceElement, Thread.currentThread().getContextClassLoader());
}
public static Class asClass(final StackTraceElement stackTraceElement, final ClassLoader classLoader) throws ClassNotFoundException {
return classLoader.loadClass(stackTraceElement.getClassName());
}
}