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/**
* @copyright
* ====================================================================
* 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.
* ====================================================================
* @endcopyright
*/
package org.apache.subversion.javahl;
import java.util.List;
/**
* This exception is thrown whenever something goes wrong in the
* Subversion JavaHL binding's JNI interface.
*/
public class ClientException extends NativeException
{
// Update the serialVersionUID when there is a incompatible change made to
// this class. See the java documentation for when a change is incompatible.
// http://java.sun.com/javase/7/docs/platform/serialization/spec/version.html#6678
private static final long serialVersionUID = 2L;
/**
* Describes a single error message in a stack of messages
* associated with this exception.
* @since 1.9
*/
public static final class ErrorMessage
{
ErrorMessage(int code, String message, boolean generic)
{
this.code = code;
this.message = message;
this.generic = generic;
}
/** @return The APR error code associated with the message. */
public final int getCode() { return code; }
/** @return The error message text. */
public final String getMessage() { return message; }
/** @return A flag indicating whether this is a generic
message for the APR error code, or a more specific message
generated by the native libraries. */
public final boolean isGeneric() { return generic; }
private final int code;
private final String message;
private final boolean generic;
};
/**
* This constructor is only used by the native library.
*
* @param message A description of the problem.
* @param source The error's source.
* @param aprError Any associated APR error code for a wrapped
* <code>svn_error_t</code>.
* @param messageStack The whole stack of error messages
* @since 1.9
*/
ClientException(String message, Throwable cause, String source,
int aprError, List<ErrorMessage> messageStack)
{
super(message, source, cause, aprError);
this.messageStack = messageStack;
}
/**
* This constructor is only used by the native library.
*
* @param message A description of the problem.
* @param source The error's source.
* @param aprError Any associated APR error code for a wrapped
* <code>svn_error_t</code>.
*/
ClientException(String message, String source, int aprError)
{
this(message, null, source, aprError, null);
}
public List<ErrorMessage> getAllMessages()
{
return messageStack;
}
/**
* A conversion routine for maintaining backwards compatibility.
* @param t The exception to (potentially) convert.
* @return <code>t</code> coerced or converted into a
* <code>ClientException</code>.
*/
static public ClientException fromException(Throwable t)
{
if (t instanceof ClientException)
{
return (ClientException) t;
}
else
{
return new ClientException(t.getMessage(), null, -1);
}
}
private final List<ErrorMessage> messageStack;
}
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