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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
package es.iti.wakamiti.api;
import java.util.Arrays;
import static es.iti.wakamiti.api.util.StringUtils.format;
/**
* An exception class specific to Wakamiti, providing additional features for
* formatting messages and handling throwable.
*
* @author Luis Iñesta Gelabert - [email protected]
*/
public class WakamitiException extends RuntimeException {
private static final long serialVersionUID = 3126782976719868151L;
public WakamitiException() {
super();
}
/**
* Constructs a new WakamitiException with the specified detail message and cause.
*
* @param message The detail message (which is saved for later retrieval by the
* {@link #getMessage()} method).
* @param throwable The cause (which is saved for later retrieval by the
* {@link #getCause()} method). (A null value is permitted, and
* indicates that the cause is nonexistent or unknown.)
*/
public WakamitiException(String message, Throwable throwable) {
super(message, throwable);
}
/**
* Constructs a new WakamitiException with the specified detail message.
*
* @param message The detail message (which is saved for later retrieval by the
* {@link #getMessage()} method).
*/
public WakamitiException(String message) {
super(message);
}
/**
* Constructs a new WakamitiException with a formatted detail message.
*
* @param message The detail message format string.
* @param args The arguments referenced by the format specifiers in the format
* string. If there are more arguments than format specifiers, the
* extra arguments are ignored. The number of arguments is variable
* and may be zero.
*/
public WakamitiException(String message, Object... args) {
super(format(message, argsWithoutThrowable(args)), throwable(args));
}
/**
* Constructs a new WakamitiException with the specified cause and a detail
* message of ({@code cause==null ? null : cause.toString()}) (which typically contains
* the class and detail message of cause). This constructor is useful for
* exceptions that are little more than wrappers for other throwable.
*
* @param throwable The cause (which is saved for later retrieval by the
* {@link #getCause()} method). (A null value is permitted, and
* indicates that the cause is nonexistent or unknown.)
*/
public WakamitiException(Throwable throwable) {
super(throwable.getMessage(), throwable);
}
protected static Object[] argsWithoutThrowable(Object[] args) {
return throwable(args) == null ? args : Arrays.copyOf(args, args.length - 1);
}
protected static Throwable throwable(Object... args) {
if (args == null || args.length == 0) {
return null;
}
return args[args.length - 1] instanceof Throwable ? (Throwable) args[args.length - 1] : null;
}
}
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