Plan/Plan/common/src/main/java/com/djrapitops/plan/utilities/java/ThrowableUtils.java

71 lines
2.3 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.utilities.java;
import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import java.util.stream.Stream;
/**
* Utilities for manipulating different Throwable stack traces.
*
* @author AuroraLS3
*/
public class ThrowableUtils {
private ThrowableUtils() {
/* Static method class */
}
public static void appendEntryPointToCause(Throwable throwable, StackTraceElement[] originPoint) {
Throwable cause = throwable.getCause();
while (cause.getCause() != null) {
cause = cause.getCause();
}
cause.setStackTrace(
combineStackTrace(originPoint, cause.getStackTrace())
);
}
@NotNull
public static StackTraceElement[] combineStackTrace(StackTraceElement[] originPoint, StackTraceElement[] cause) {
if (originPoint == null && cause == null) return new StackTraceElement[0];
if (originPoint == null) return cause;
if (cause == null) return originPoint;
return Stream.concat(
Arrays.stream(cause),
Arrays.stream(originPoint)
).toArray(StackTraceElement[]::new);
}
public static String findCallerAfterClass(StackTraceElement[] stackTrace, Class<?> afterThis) {
boolean found = false;
for (StackTraceElement stackTraceElement : stackTrace) {
if (found) {
return stackTraceElement.getClassName() + "." + stackTraceElement.getMethodName();
}
if (stackTraceElement.getClassName().contains(afterThis.getName())) {
found = true;
}
}
return "Unknown";
}
}