javax.xml.stream.FactoryConfigurationError.java Source code

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Here is the source code for javax.xml.stream.FactoryConfigurationError.java

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/*
 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package javax.xml.stream;

/**
 * An error class for reporting factory configuration errors.
 *
 * @version 1.0
 * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
 * @since 1.6
 */
public class FactoryConfigurationError extends Error {
    private static final long serialVersionUID = -2994412584589975744L;

    Exception nested;

    /**
     * Default constructor
     */
    public FactoryConfigurationError() {
    }

    /**
     * Construct an exception with a nested inner exception
     *
     * @param e the exception to nest
     */
    public FactoryConfigurationError(java.lang.Exception e) {
        nested = e;
    }

    /**
     * Construct an exception with a nested inner exception
     * and a message
     *
     * @param e the exception to nest
     * @param msg the message to report
     */
    public FactoryConfigurationError(java.lang.Exception e, java.lang.String msg) {
        super(msg);
        nested = e;
    }

    /**
     * Construct an exception with a nested inner exception
     * and a message
     *
     * @param msg the message to report
     * @param e the exception to nest
     */
    public FactoryConfigurationError(java.lang.String msg, java.lang.Exception e) {
        super(msg);
        nested = e;
    }

    /**
     * Construct an exception with associated message
     *
     * @param msg the message to report
     */
    public FactoryConfigurationError(java.lang.String msg) {
        super(msg);
    }

    /**
     * Return the nested exception (if any)
     *
     * @return the nested exception or null
     */
    public Exception getException() {
        return nested;
    }

    /**
     * use the exception chaining mechanism of JDK1.4
    */
    @Override
    public Throwable getCause() {
        return nested;
    }

    /**
     * Report the message associated with this error
     *
     * @return the string value of the message
     */
    public String getMessage() {
        String msg = super.getMessage();
        if (msg != null)
            return msg;
        if (nested != null) {
            msg = nested.getMessage();
            if (msg == null)
                msg = nested.getClass().toString();
        }
        return msg;
    }

}