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JDK 1.6
  java.security.cert. CertPathValidatorException View Javadoc
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/*
 * @(#)CertPathValidatorException.java	1.12 06/04/06
 *
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.security.cert;

import java.security.GeneralSecurityException;

/**
 * An exception indicating one of a variety of problems encountered when 
 * validating a certification path. 
 * <p>
 * A <code>CertPathValidatorException</code> provides support for wrapping
 * exceptions. The {@link #getCause getCause} method returns the throwable, 
 * if any, that caused this exception to be thrown. 
 * <p>
 * A <code>CertPathValidatorException</code> may also include the 
 * certification path that was being validated when the exception was thrown 
 * and the index of the certificate in the certification path that caused the 
 * exception to be thrown. Use the {@link #getCertPath getCertPath} and
 * {@link #getIndex getIndex} methods to retrieve this information.
 * 
 * <p>
 * <b>Concurrent Access</b>
 * <p>
 * Unless otherwise specified, the methods defined in this class are not
 * thread-safe. Multiple threads that need to access a single
 * object concurrently should synchronize amongst themselves and
 * provide the necessary locking. Multiple threads each manipulating
 * separate objects need not synchronize.
 *
 * @see CertPathValidator
 *
 * @version 	1.12 04/06/06
 * @since	1.4
 * @author 	Yassir Elley
 */
public class CertPathValidatorException extends GeneralSecurityException {

    private static final long serialVersionUID = -3083180014971893139L;

    /**
     * @serial the index of the certificate in the certification path  
     * that caused the exception to be thrown
     */
    private int index = -1;

    /**
     * @serial the <code>CertPath</code> that was being validated when 
     * the exception was thrown
     */
    private CertPath certPath;

    /**
     * Creates a <code>CertPathValidatorException</code> with 
     * no detail message. 
     */
    public CertPathValidatorException() {
        super();
    }

    /**
     * Creates a <code>CertPathValidatorException</code> with the given
     * detail message. A detail message is a <code>String</code> that 
     * describes this particular exception.
     *
     * @param msg the detail message
     */
    public CertPathValidatorException(String msg) {
        super(msg);
    }

    /**
     * Creates a <code>CertPathValidatorException</code> that wraps the 
     * specified throwable. This allows any exception to be converted into a 
     * <code>CertPathValidatorException</code>, while retaining information 
     * about the wrapped exception, which may be useful for debugging. The 
     * detail message is set to (<code>cause==null ? null : cause.toString()
     * </code>) (which typically contains the class and detail message of 
     * cause).
     *
     * @param cause the cause (which is saved for later retrieval by the 
     * {@link #getCause getCause()} method). (A <code>null</code> value is 
     * permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public CertPathValidatorException(Throwable cause) {
	super(cause);
    }

    /**
     * Creates a <code>CertPathValidatorException</code> with the specified
     * detail message and cause.
     *
     * @param msg the detail message 
     * @param cause the cause (which is saved for later retrieval by the 
     * {@link #getCause getCause()} method). (A <code>null</code> value is 
     * permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public CertPathValidatorException(String msg, Throwable cause) {
        super(msg, cause);
    }

    /**
     * Creates a <code>CertPathValidatorException</code> with the specified
     * detail message, cause, certification path, and index.
     *
     * @param msg the detail message (or <code>null</code> if none)
     * @param cause the cause (or <code>null</code> if none)
     * @param certPath the certification path that was in the process of
     * being validated when the error was encountered
     * @param index the index of the certificate in the certification path
     * that caused the error (or -1 if not applicable). Note that 
     * the list of certificates in a <code>CertPath</code> is zero based.
     * @throws IndexOutOfBoundsException if the index is out of range
     * <code>(index < -1 || (certPath != null && index >=
     * certPath.getCertificates().size())</code>
     * @throws IllegalArgumentException if <code>certPath</code> is 
     * <code>null</code> and <code>index</code> is not -1
     */
    public CertPathValidatorException(String msg, Throwable cause, 
	    CertPath certPath, int index) {
        super(msg, cause);
	if (certPath == null && index != -1) {
	    throw new IllegalArgumentException();
	}
	if (index < -1 || 
	    (certPath != null && index >= certPath.getCertificates().size())) {
	    throw new IndexOutOfBoundsException();
	}
	this.certPath = certPath;
	this.index = index;
    }

    /**
     * Returns the certification path that was being validated when
     * the exception was thrown.
     *
     * @return the <code>CertPath</code> that was being validated when
     * the exception was thrown (or <code>null</code> if not specified)
     */
    public CertPath getCertPath() {
        return this.certPath;
    }

    /**
     * Returns the index of the certificate in the certification path 
     * that caused the exception to be thrown. Note that the list of
     * certificates in a <code>CertPath</code> is zero based. If no 
     * index has been set, -1 is returned.
     *
     * @return the index that has been set, or -1 if none has been set
     */
    public int getIndex() {
	return this.index;
    }

}

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