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Backport of JSR-310 from JDK 8 to JDK 7 and JDK 6. NOT an implementation of the JSR.
There is a newer version: 1.7.0
/*
 * Copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.threeten.bp.format;

import org.threeten.bp.DateTimeException;

/**
 * An exception thrown when an error occurs during parsing.
 * 
 * This exception includes the text being parsed and the error index.
 *
 * 
Specification for implementors
 * This class is intended for use in a single thread.
 */
public class DateTimeParseException extends DateTimeException {

    /**
     * Serialization version.
     */
    private static final long serialVersionUID = 4304633501674722597L;

    /**
     * The text that was being parsed.
     */
    private final String parsedString;
    /**
     * The error index in the text.
     */
    private final int errorIndex;

    /**
     * Constructs a new exception with the specified message.
     *
     * @param message  the message to use for this exception, may be null
     * @param parsedData  the parsed text, should not be null
     * @param errorIndex  the index in the parsed string that was invalid, should be a valid index
     */
    public DateTimeParseException(String message, CharSequence parsedData, int errorIndex) {
        super(message);
        this.parsedString = parsedData.toString();
        this.errorIndex = errorIndex;
    }

    /**
     * Constructs a new exception with the specified message and cause.
     *
     * @param message  the message to use for this exception, may be null
     * @param parsedData  the parsed text, should not be null
     * @param errorIndex  the index in the parsed string that was invalid, should be a valid index
     * @param cause  the cause exception, may be null
     */
    public DateTimeParseException(String message, CharSequence parsedData, int errorIndex, Throwable cause) {
        super(message, cause);
        this.parsedString = parsedData.toString();
        this.errorIndex = errorIndex;
    }

    //-----------------------------------------------------------------------
    /**
     * Returns the string that was being parsed.
     *
     * @return the string that was being parsed, should not be null.
     */
    public String getParsedString() {
        return parsedString;
    }

    /**
     * Returns the index where the error was found.
     *
     * @return the index in the parsed string that was invalid, should be a valid index
     */
    public int getErrorIndex() {
        return errorIndex;
    }

}