org.aspectj.lang.SoftException Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aspectjweaver Show documentation

The AspectJ weaver applies aspects to Java classes. It can be used as a Java agent in order to apply load-time weaving (LTW) during class-loading and also contains the AspectJ runtime classes.

There is a newer version: 1.9.22.1

Show newest version

/* *******************************************************************
 * Copyright (c) 1999-2001 Xerox Corporation,
 *               2002 Palo Alto Research Center, Incorporated (PARC),
 *               2004 Contributors.
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     Xerox/PARC     initial implementation
 * ******************************************************************/


package org.aspectj.lang;

import java.io.PrintStream;
import java.io.PrintWriter;

/**
 * Wrapper for checked exceptions matched by a 'declare soft'.
 * You can soften checked exceptions at join points by using
 * the form declare soft: TypePattern: Pointcut.
 * At the join points, any exceptions thrown which match
 * TypePattern will be wrapped in SoftException
 * and rethrown. You can get the original exception using
 * getWrappedThrowable() or
 * getCause().
 */
public class SoftException extends RuntimeException {

    private static final boolean HAVE_JAVA_14;

    static {
        boolean java14 = false;
        try {
            Class.forName("java.nio.Buffer");
            java14 = true;
        } catch (Throwable t) {
            // still false;
        }
        HAVE_JAVA_14 = java14;
    }

    // shouldn't field be private final, constructor default or private?
    // but either would be a binary incompatible change.

    Throwable inner;

    public SoftException(Throwable inner) {
        super();
        this.inner = inner;
    }

    public Throwable getWrappedThrowable() { return inner; }
    public Throwable getCause() { return inner; }

    public void printStackTrace() {
        printStackTrace(System.err);
    }

    public void printStackTrace(PrintStream stream) {
        super.printStackTrace(stream);
        final Throwable _inner = this.inner;
        if (!HAVE_JAVA_14 && (null != _inner)) {
            stream.print("Caused by: ");
            _inner.printStackTrace(stream);
        }
    }

    public void printStackTrace(PrintWriter stream) {
        super.printStackTrace(stream);
        final Throwable _inner = this.inner;
        if (!HAVE_JAVA_14 && (null != _inner)) {
            stream.print("Caused by: ");
            _inner.printStackTrace(stream);
        }
    }
}