package org.apereo.cas.authentication;
/**
* Generic CAS exception that sits at the top of the exception hierarchy. Provides
* unified logic around retrieval and configuration of exception codes that may be
* mapped inside an external resource bundle for internationalization of error messages.
*
* @author Misagh Moayyed
* @since 4.0.0
*/
public abstract class RootCasException extends RuntimeException {
private static final long serialVersionUID = -2384466176716541689L;
/**
* The code description of the exception.
*/
private final String code;
/**
* Constructor that takes a {@code code} description of the error along with the exception
* {@code msg} generally for logging purposes. These codes normally have a corresponding
* entries in the messages file for the internationalization of error messages.
*
* @param code the code to describe what type of exception this is.
*/
public RootCasException(final String code) {
this.code = code;
}
/**
* Constructs a new exception with the code identifying the exception
* and the error message.
*
* @param code the code to describe what type of exception this is.
* @param msg The error message associated with this exception for additional logging purposes.
*/
public RootCasException(final String code, final String msg) {
super(msg);
this.code = code;
}
/**
* Constructs a new exception with the code identifying the exception
* and the original throwable.
*
* @param code the code to describe what type of exception this is.
* @param throwable the original exception we are chaining.
*/
public RootCasException(final String code, final Throwable throwable) {
super(throwable);
this.code = code;
}
/**
* @return Returns the code. If there is a chained exception it recursively
* calls {@code getCode()} on the cause of the chained exception rather than the returning
* the code itself.
*/
public String getCode() {
final Throwable cause = this.getCause();
if (cause instanceof RootCasException) {
return ((RootCasException) cause).getCode();
}
return this.code;
}
@Override
public String toString() {
return this.getCode();
}
}