com.ebmwebsourcing.easycommons.lang.ExceptionHelper Maven / Gradle / Ivy

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package com.ebmwebsourcing.easycommons.lang;

import java.io.PrintWriter;
import java.io.StringWriter;

/**
 * @author Adrien Ruffie - EBM WebSourcing
 */
public final class ExceptionHelper {

    private ExceptionHelper() {      
    }
    
    public static final String getMessageFromRootCause(final Throwable exception) {
        assert exception != null;
        
        final Throwable cause = exception.getCause();
        if(cause == null) {
            return exception.getMessage();
        } else {
            return getMessageFromRootCause(cause);
        }
    }

    /**
     * Return the stacktrace as a string
     * 
     * @param throwable
     * @return
     */
    public static final String getStackTrace(final Throwable throwable) {
        assert throwable != null;

        final StringWriter sw = new StringWriter();
        throwable.printStackTrace(new PrintWriter(sw));
        sw.flush();
        return sw.toString();
    }
}