/*
* Copyright (c) OSGi Alliance (2000, 2008). All Rights Reserved.
*
* Licensed 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.osgi.service.http;
/**
* A NamespaceException is thrown to indicate an error with the caller's request to register a servlet or resources into the URI
* namespace of the Http Service. This exception indicates that the requested alias already is in use.
*
* @version $Revision: 6083 $
*/
public class NamespaceException extends Exception {
static final long serialVersionUID = 7235606031147877747L;
/**
* Construct a <code>NamespaceException</code> object with a detail message.
*
* @param message the detail message
*/
public NamespaceException(String message) {
super(message);
}
/**
* Construct a <code>NamespaceException</code> object with a detail message and a nested exception.
*
* @param message The detail message.
* @param cause The nested exception.
*/
public NamespaceException(String message, Throwable cause) {
super(message, cause);
}
/**
* Returns the nested exception.
*
* <p>
* This method predates the general purpose exception chaining mechanism. The <code>getCause()</code> method is now the
* preferred means of obtaining this information.
*
* @return The result of calling <code>getCause()</code>.
*/
public Throwable getException() {
return getCause();
}
/**
* Returns the cause of this exception or <code>null</code> if no cause was set.
*
* @return The cause of this exception or <code>null</code> if no cause was set.
* @since 1.2
*/
public Throwable getCause() {
return super.getCause();
}
/**
* Initializes the cause of this exception to the specified value.
*
* @param cause The cause of this exception.
* @return This exception.
* @throws IllegalArgumentException If the specified cause is this exception.
* @throws IllegalStateException If the cause of this exception has already been set.
* @since 1.2
*/
public Throwable initCause(Throwable cause) {
return super.initCause(cause);
}
}