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Xerces2 is the next generation of high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces introduces the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program. The Apache Xerces2 parser is the reference implementation of XNI but other parser components, configurations, and parsers can be written using the Xerces Native Interface. For complete design and implementation documents, refer to the XNI Manual. Xerces2 is a fully conforming XML Schema 1.0 processor. A partial experimental implementation of the XML Schema 1.1 Structures and Datatypes Working Drafts (December 2009) and an experimental implementation of the XML Schema Definition Language (XSD): Component Designators (SCD) Candidate Recommendation (January 2010) are provided for evaluation. For more information, refer to the XML Schema page. Xerces2 also provides a complete implementation of the Document Object Model Level 3 Core and Load/Save W3C Recommendations and provides a complete implementation of the XML Inclusions (XInclude) W3C Recommendation. It also provides support for OASIS XML Catalogs v1.1. Xerces2 is able to parse documents written according to the XML 1.1 Recommendation, except that it does not yet provide an option to enable normalization checking as described in section 2.13 of this specification. It also handles namespaces according to the XML Namespaces 1.1 Recommendation, and will correctly serialize XML 1.1 documents if the DOM level 3 load/save APIs are in use.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// $Id: FactoryConfigurationError.java 569980 2007-08-27 03:58:15Z mrglavas $

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
 * @version $Revision: 569980 $, $Date: 2007-08-26 23:58:15 -0400 (Sun, 26 Aug 2007) $
 */

public class FactoryConfigurationError extends Error {

    /**
     *Exception that represents the error.
     */
    private Exception exception;

    /**
     * Create a new FactoryConfigurationError with no
     * detail message.
     */

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

    /**
     * Create a new FactoryConfigurationError with
     * the String  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.
     *
     * @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.
     *
     * @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.
     *
     * @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.
     *
     * @return The encapsulated exception, or null if there is none.
     */
    
    public Exception getException () {
        return exception;
    }
}