// Copyright (c) 2003-2012, Jodd Team (jodd.org). All Rights Reserved.
package jodd.exception;
import java.io.PrintWriter;
import java.io.PrintStream;
/**
* Unchecked exception and also a wrapper for checked exceptions.
*/
@SuppressWarnings({"SynchronizationOnLocalVariableOrMethodParameter"})
public class UncheckedException extends RuntimeException {
protected final Throwable cause;
/**
* Divider between causes printouts.
*/
protected static final String CAUSE_DIV = "---[cause]------------------------------------------------------------------------";
/**
* If set to <code>true</code> stack trace will be enhanced with cause's stack traces.
*/
protected final boolean showCauseDetails;
// ---------------------------------------------------------------- constructors
public UncheckedException(Throwable t) {
super(t.getMessage());
cause = t;
this.showCauseDetails = true;
}
public UncheckedException(Throwable t, boolean showCauseDetails) {
super(t.getMessage());
cause = t;
this.showCauseDetails = showCauseDetails;
}
public UncheckedException() {
super();
cause = null;
this.showCauseDetails = false;
}
public UncheckedException(String message) {
super(message);
cause = null;
this.showCauseDetails = false;
}
public UncheckedException(String message, Throwable t) {
super(message, t);
cause = t;
this.showCauseDetails = true;
}
public UncheckedException(String message, Throwable t, boolean showCauseDetails) {
super(message, t);
cause = t;
this.showCauseDetails = showCauseDetails;
}
// ---------------------------------------------------------------- stack trace
@Override
public void printStackTrace() {
printStackTrace(System.err);
}
@Override
public void printStackTrace(PrintStream ps) {
synchronized (ps) {
super.printStackTrace(ps);
if ((cause != null) && showCauseDetails) {
Throwable rootCause = ExceptionUtil.getRootCause(cause);
ps.println(CAUSE_DIV);
rootCause.printStackTrace(ps);
}
}
}
@Override
public void printStackTrace(PrintWriter pw) {
synchronized (pw) {
super.printStackTrace(pw);
if ((cause != null) && showCauseDetails) {
Throwable rootCause = ExceptionUtil.getRootCause(cause);
pw.println(CAUSE_DIV);
rootCause.printStackTrace(pw);
}
}
}
// ---------------------------------------------------------------- txt
/**
* Returns the detail message, including the message from the nested exception if there is one.
*/
@Override
public String getMessage() {
return ExceptionUtil.buildMessage(super.getMessage(), cause);
}
// ---------------------------------------------------------------- wrap
/**
* Wraps checked exceptions in a <code>UncheckedException</code>.
* Unchecked exceptions are not wrapped.
*/
public static RuntimeException wrapChecked(Throwable t) {
if (t instanceof RuntimeException) {
return (RuntimeException) t;
}
return new UncheckedException(t);
}
/**
* Wraps all exceptions in a <code>UncheckedException</code>
*/
public static RuntimeException wrap(Throwable t) {
return new UncheckedException(t);
}
/**
* Wraps all exceptions in a <code>UncheckedException</code>
*/
public static RuntimeException wrap(Throwable t, String message) {
return new UncheckedException(message, t);
}
// ---------------------------------------------------------------- cause
/**
* Re-throws cause if exists.
*/
public void rethrow() throws Throwable {
if (cause == null) {
return;
}
throw cause;
}
/**
* Returns exception cause.
*/
@Override
public Throwable getCause() {
return cause;
}
}
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