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Commons JXPath example source code file (JXPathException.java)

This example Commons JXPath source code file (JXPathException.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons JXPath tags/keywords

jxpathexception, jxpathexception, runtimeexception, string, string, stringbuffer, stringbuffer, throwable, throwable

The Commons JXPath JXPathException.java source code

/*
 * 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.
 */
package org.apache.commons.jxpath;

/**
 * Thrown in various situations by JXPath; may contain a nested exception.
 *
 * @author Dmitri Plotnikov
 * @version $Revision: 618149 $ $Date: 2008-02-03 20:04:13 -0600 (Sun, 03 Feb 2008) $
 */

public class JXPathException extends RuntimeException {
    private static final long serialVersionUID = 4306409701468017766L;

    /** @serial */
    private Throwable exception;

    /**
     * Create a new <code>JXPathException with no
     * detail mesage.
     */

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

    /**
     * Create a new <code>JXPathException with
     * the <code>String  specified as an error message.
     *
     * @param msg The error message for the exception.
     */
    public JXPathException(String msg) {
        super(msg);
        this.exception = null;
    }


    /**
     * Create a new <code>JXPathException with a
     * given <code>Throwable base cause of the error.
     *
     * @param e The exception to be encapsulated in a
     * JXPathException.
     */
    public JXPathException(Throwable e) {
        super(e.toString());
        this.exception = e;
    }

    /**
     * Create a new <code>JXPathException with the
     * given <code>Exception base cause and detail message.
     *
     * @param msg The detail message.
     * @param e The exception to be encapsulated in a JXPathException
     */
    public JXPathException(String msg, Throwable e) {
        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 will be returned.
     *
     * @return The error message.
     */
    public String getMessage() {
        String message = super.getMessage();
        if (exception == null) {
            return message;
        }
        StringBuffer buf = new StringBuffer();
        if (message != null) {
            buf.append(message).append("; ");
        }
        String eMsg = exception.getMessage();
        buf.append(eMsg == null ? exception.getClass().getName() : eMsg);
        return buf.toString();
    }

    /**
     * Return the actual exception (if any) that caused this exception to
     * be raised.
     *
     * @return The encapsulated exception, or null if there is none.
     */
    public Throwable getException() {
        return exception;
    }

    /**
     * Same as {@link #getException() getException()}
     * @return The encapsulated exception, or null if there is none.
     */
    public Throwable getCause() {
        return exception;
    }

}

Other Commons JXPath examples (source code examples)

Here is a short list of links related to this Commons JXPath JXPathException.java source code file:

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