org.rajivprab.cava.CheckedExceptionWrapper Maven / Gradle / Ivy

Go to download
package org.rajivprab.cava;

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

/**
 * Wrapper for checked exceptions, that looks just like the underlying exception.
 *
 * Any stack-traces will show the stack-trace for where the underlying exception was thrown from,
 * and not where the CheckedExceptionWrapper was thrown from.
 * 
 * Created by rprabhakar on 12/15/15.
 */
public class CheckedExceptionWrapper extends RuntimeException {
    private final Throwable e;

    public CheckedExceptionWrapper(Throwable e) {
        this.e = e;
    }

    public Throwable getUnderlying() {
        return e;
    }

    // Returns the underlying exception's cause, not the underlying exception itself
    // To get the underlying exception, use getUnderlying()
    @Override
    public Throwable getCause() {
        return e.getCause();
    }

    @Override
    public String getLocalizedMessage() {
        return e.getLocalizedMessage();
    }

    @Override
    public String getMessage() {
        return e.getMessage();
    }

    @Override
    public StackTraceElement[] getStackTrace() {
        return e.getStackTrace();
    }

    @Override
    public void printStackTrace() {
        e.printStackTrace();
    }

    @Override
    public void printStackTrace(PrintStream s) {
        e.printStackTrace(s);
    }

    @Override
    public void printStackTrace(PrintWriter s) {
        e.printStackTrace(s);
    }

    @Override
    public String toString() {
        return getClass() + " around {\n" + e.toString() + "\n}";
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o instanceof CheckedExceptionWrapper) {
            CheckedExceptionWrapper that = (CheckedExceptionWrapper) o;
            return getUnderlying().equals(that.getUnderlying());
        } else {
            return getUnderlying().equals(o);
        }
    }

    @Override
    public int hashCode() {
        return e.hashCode();
    }
}