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/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999-2005 Shigeru Chiba. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist;
import javassist.compiler.CompileError;
/**
* Thrown when bytecode transformation has failed.
*/
public class CannotCompileException extends Exception {
private String message;
private Throwable cause;
public String getReason() {
if (message != null)
return message;
else
return this.toString();
}
/**
* Constructs a CannotCompileException with a message.
*
* @param msg the message.
*/
public CannotCompileException(String msg) {
super(msg);
message = msg;
cause = null;
}
/**
* Constructs a CannotCompileException with an <code>Exception</code>
* representing the cause.
*
* @param e the cause.
*/
public CannotCompileException(Throwable e) {
super("by " + e.toString());
message = null;
cause = e;
}
/**
* Constructs a CannotCompileException with a detailed message
* and an <code>Exception</code> representing the cause.
*
* @param msg the message.
* @param e the cause.
*/
public CannotCompileException(String msg, Throwable e) {
this(msg);
cause = e;
}
/**
* Constructs a CannotCompileException with a
* <code>NotFoundException</code>.
*/
public CannotCompileException(NotFoundException e) {
this("cannot find " + e.getMessage(), e);
}
/**
* Constructs a CannotCompileException with an <code>CompileError</code>.
*/
public CannotCompileException(CompileError e) {
this("[source error] " + e.getMessage(), e);
}
/**
* Constructs a CannotCompileException
* with a <code>ClassNotFoundException</code>.
*/
public CannotCompileException(ClassNotFoundException e, String name) {
this("cannot find " + name, e);
}
/**
* Constructs a CannotCompileException with a ClassFormatError.
*/
public CannotCompileException(ClassFormatError e, String name) {
this("invalid class format: " + name, e);
}
/**
* Prints this exception and its backtrace.
*/
public void printStackTrace(java.io.PrintWriter w) {
super.printStackTrace(w);
if (cause != null) {
w.println("Caused by:");
cause.printStackTrace(w);
}
}
/**
* Prints this exception and its backtrace.
*/
public void printStackTrace(java.io.PrintStream w) {
super.printStackTrace(w);
if (cause != null) {
w.println("Caused by:");
cause.printStackTrace(w);
}
}
}
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