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package javax.xml.parsers;

Thrown when a problem with configuration with the Parser Factories
exists. This error will typically be thrown when the class of a
parser factory specified in the system properties cannot be found
or instantiated.
Author:
Jeff Suttor
Since:
1.4/**
 * Thrown when a problem with configuration with the Parser Factories
 * exists. This error will typically be thrown when the class of a
 * parser factory specified in the system properties cannot be found
 * or instantiated.
 *
 * @author Jeff Suttor
 * @since 1.4
 */

public class FactoryConfigurationError extends Error {
    private static final long serialVersionUID = -827108682472263355L;

    
Exception that represents the error.
/**
     *<code>Exception</code> that represents the error.
     */
    private Exception exception;

    
Create a new FactoryConfigurationError with no
detail message.
/**
     * Create a new <code>FactoryConfigurationError</code> with no
     * detail message.
     */

    public FactoryConfigurationError() {
        super();
        this.exception = null;
    }

    
Create a new FactoryConfigurationError with
the String  specified as an error message.
Params:
msg – The error message for the exception./**
     * Create a new <code>FactoryConfigurationError</code> with
     * the <code>String </code> specified as an error message.
     *
     * @param msg The error message for the exception.
     */

    public FactoryConfigurationError(String msg) {
        super(msg);
        this.exception = null;
    }


    
Create a new FactoryConfigurationError with a
given Exception base cause of the error.
Params:
e – The exception to be encapsulated in a
FactoryConfigurationError./**
     * Create a new <code>FactoryConfigurationError</code> with a
     * given <code>Exception</code> base cause of the error.
     *
     * @param e The exception to be encapsulated in a
     * FactoryConfigurationError.
     */

    public FactoryConfigurationError(Exception e) {
        super(e.toString());
        this.exception = e;
    }

    
Create a new FactoryConfigurationError with the
given Exception base cause and detail message.
Params:
e – The exception to be encapsulated in a
FactoryConfigurationError
msg – The detail message./**
     * Create a new <code>FactoryConfigurationError</code> with the
     * given <code>Exception</code> base cause and detail message.
     *
     * @param e The exception to be encapsulated in a
     * FactoryConfigurationError
     * @param msg The detail message.
     */

    public FactoryConfigurationError(Exception e, String msg) {
        super(msg);
        this.exception = e;
    }


    
Return the message (if any) for this error . If there is no
message for the exception and there is an encapsulated
exception then the message of that exception, if it exists will be
returned. Else the name of the encapsulated exception will be
returned.
Returns:
The error message./**
     * Return the message (if any) for this error . If there is no
     * message for the exception and there is an encapsulated
     * exception then the message of that exception, if it exists will be
     * returned. Else the name of the encapsulated exception will be
     * returned.
     *
     * @return The error message.
     */

    public String getMessage () {
        String message = super.getMessage ();

        if (message == null && exception != null) {
            return exception.getMessage();
        }

        return message;
    }

    
Return the actual exception (if any) that caused this exception to
be raised.
Returns:
The encapsulated exception, or null if there is none./**
     * Return the actual exception (if any) that caused this exception to
     * be raised.
     *
     * @return The encapsulated exception, or null if there is none.
     */

    public Exception getException () {
        return exception;
    }

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