de.thksystems.util.lang.ExceptionUtils Maven / Gradle / Ivy
/*
* tksCommons
*
* Author : Thomas Kuhlmann (ThK-Systems, http://www.thk-systems.de) License : LGPL (https://www.gnu.org/licenses/lgpl.html)
*/
package de.thksystems.util.lang;
import org.apache.commons.lang3.ClassUtils;
public final class ExceptionUtils {
private ExceptionUtils() {
}
/**
* Returns a {@link String} of the {@link Throwable} like:
*
*
* n.u.l.l.GeneralWorldFailure: You need to pray
* -> n.e.f.OrwellException: Big Brother is watching you
* -> abc.xyz.GoogleStillExistsException: null
*
*/
public static String getMessageList(Throwable t) {
StringBuffer sb = new StringBuffer();
Throwable throwable = t;
int depth = 0;
while (throwable != null) {
if (depth++ > 0) {
sb.append("\n").append("--> ");
}
sb.append(ClassUtils.getAbbreviatedName(throwable.getClass(), 25)).append(": ").append(throwable.getMessage());
throwable = throwable.getCause();
}
return sb.toString();
}
/**
* Returns true, if the given {@link Throwable} or one of its causes {@link Class}es is assignable from the given
* {@link Class}.
*/
public static boolean isOfTypeOrHasCauseWithType(Throwable t, Class expectedClass) {
Throwable throwable = t;
while (throwable != null) {
if (expectedClass.isAssignableFrom(throwable.getClass())) {
return true;
}
throwable = throwable.getCause();
}
return false;
}
}