create Exception Message - Java java.lang

Java examples for java.lang:Throwable

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Description

create Exception Message

Demo Code

/*******************************************************************************
 * Copyright 2012, The Infinit.e Open Source Project.
 * /*from w ww  .  j  a  v  a 2 s  .  c  o m*/
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
//package com.java2s;

public class Main {
    public static StringBuffer createExceptionMessage(Exception e) {
        return createExceptionMessage(null, e);
    }

    public static StringBuffer createExceptionMessage(String prefix,
            Exception e) {
        StackTraceElement[] st = e.getStackTrace();
        StringBuffer errMessage = new StringBuffer();
        if (null != prefix) {
            errMessage.append(prefix).append(':');
        }
        errMessage.append(
                (e.getMessage() == null ? "NullPointerException" : e
                        .getMessage())).append(':');
        if (st.length > 0) {
            errMessage.append(st[0].getClassName()).append('.')
                    .append(st[0].getMethodName()).append(':')
                    .append(st[0].getLineNumber());
        }
        return errMessage;
    }
}

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