blob: 1aff70e92621ef9d8c384e7e6059d13dfe73c487 [file] [log] [blame]
/*
* 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.
*/
package java.lang;
/**
* {@code Exception} is the superclass of all classes that represent recoverable
* exceptions. When exceptions are thrown, they may be caught by application
* code.
*
* @see Throwable
* @see Error
* @see RuntimeException
*/
public class Exception extends Throwable {
private static final long serialVersionUID = -3387516993124229948L;
private transient Class[] classContext = sm.getThrowableContext(this);
/**
* Constructs a new {@code Exception} that includes the current stack trace.
*/
public Exception() {
super();
}
/**
* Constructs a new {@code Exception} with the current stack trace and the
* specified detail message.
*
* @param detailMessage
* the detail message for this exception.
*/
public Exception(String detailMessage) {
super(detailMessage);
}
/**
* Constructs a new {@code Exception} with the current stack trace, the
* specified detail message and the specified cause.
*
* @param detailMessage
* the detail message for this exception.
* @param throwable
* the cause of this exception.
*/
public Exception(String detailMessage, Throwable throwable) {
super(detailMessage, throwable);
}
/**
* Constructs a new {@code Exception} with the current stack trace and the
* specified cause.
*
* @param throwable
* the cause of this exception.
*/
public Exception(Throwable throwable) {
super(throwable);
}
public Class[] getClassContext() {
return classContext;
}
private static final SecurityManagerEx sm = new SecurityManagerEx();
static class SecurityManagerEx extends SecurityManager
{
public Class[] getClassContext()
{
return super.getClassContext();
}
public Class[] getThrowableContext(Throwable t) {
try {
Class[] context = getClassContext();
int nb = 0;
for (;;) {
if (context[context.length - 1 - nb] == t.getClass()) {
break;
}
nb++;
}
Class[] nc = new Class[nb];
System.arraycopy(context, context.length - nb, nc, 0, nb);
return nc;
} catch (Exception e) {
return null;
}
}
}
}