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using System;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Pkix
{
/**
* An exception indicating one of a variety of problems encountered when
* validating a certification path. <br />
* <br />
* 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. <br />
* <br />
* 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.<br />
* <br />
* <b>Concurrent Access</b><br />
* <br />
* 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
**/
#if !(NETCF_1_0 || NETCF_2_0 || SILVERLIGHT || PORTABLE)
[Serializable]
#endif
public class PkixCertPathValidatorException
: GeneralSecurityException
{
private Exception cause;
private PkixCertPath certPath;
private int index = -1;
public PkixCertPathValidatorException() : base() { }
/// <summary>
/// Creates a <code>PkixCertPathValidatorException</code> with the given detail
/// message. A detail message is a <code>String</code> that describes this
/// particular exception.
/// </summary>
/// <param name="message">the detail message</param>
public PkixCertPathValidatorException(string message) : base(message) { }
/// <summary>
/// Creates a <code>PkixCertPathValidatorException</code> with the specified
/// detail message and cause.
/// </summary>
/// <param name="message">the detail message</param>
/// <param name="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.)</param>
public PkixCertPathValidatorException(string message, Exception cause) : base(message)
{
this.cause = cause;
}
/// <summary>
/// Creates a <code>PkixCertPathValidatorException</code> with the specified
/// detail message, cause, certification path, and index.
/// </summary>
/// <param name="message">the detail message (or <code>null</code> if none)</param>
/// <param name="cause">the cause (or <code>null</code> if none)</param>
/// <param name="certPath">the certification path that was in the process of being
/// validated when the error was encountered</param>
/// <param name="index">the index of the certificate in the certification path that</param> *
public PkixCertPathValidatorException(
string message,
Exception cause,
PkixCertPath certPath,
int index)
: base(message)
{
if (certPath == null && index != -1)
{
throw new ArgumentNullException(
"certPath = null and index != -1");
}
if (index < -1
|| (certPath != null && index >= certPath.Certificates.Count))
{
throw new IndexOutOfRangeException(
" index < -1 or out of bound of certPath.getCertificates()");
}
this.cause = cause;
this.certPath = certPath;
this.index = index;
}
//
// Prints a stack trace to a <code>PrintWriter</code>, including the
// backtrace of the cause, if any.
//
// @param pw
// the <code>PrintWriter</code> to use for output
//
// public void printStackTrace(PrintWriter pw)
// {
// super.printStackTrace(pw);
// if (getCause() != null)
// {
// getCause().printStackTrace(pw);
// }
// }
//}
// /**
// * 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 PkixCertPathValidatorException(Throwable cause)
// {
// this.cause = cause;
// }
//
/// <summary>
/// Returns the detail message for this <code>CertPathValidatorException</code>.
/// </summary>
/// <returns>the detail message, or <code>null</code> if neither the message nor cause were specified</returns>
public override string Message
{
get
{
string message = base.Message;
if (message != null)
{
return message;
}
if (cause != null)
{
return cause.Message;
}
return null;
}
}
/**
* 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 PkixCertPath CertPath
{
get { return 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 Index
{
get { return index; }
}
// /**
// * Returns the cause of this <code>CertPathValidatorException</code> or
// * <code>null</code> if the cause is nonexistent or unknown.
// *
// * @return the cause of this throwable or <code>null</code> if the cause
// * is nonexistent or unknown.
// */
// public Throwable getCause()
// {
// return cause;
// }
//
// /**
// * Returns a string describing this exception, including a description of
// * the internal (wrapped) cause if there is one.
// *
// * @return a string representation of this
// * <code>CertPathValidatorException</code>
// */
// public String toString()
// {
// StringBuffer sb = new StringBuffer();
// String s = getMessage();
// if (s != null)
// {
// sb.append(s);
// }
// if (getIndex() >= 0)
// {
// sb.append("index in certpath: ").append(getIndex()).append('\n');
// sb.append(getCertPath());
// }
// return sb.toString();
// }
}
}
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