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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- 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,
 * or the Apache License Version 2.0.
 *
 * 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 com.feilong.lib.javassist;

import com.feilong.lib.javassist.compiler.CompileError;

/**
 * Thrown when bytecode transformation has failed.
 */
public class CannotCompileException extends Exception{

    /** default serialVersionUID */
    private static final long serialVersionUID = 1L;

    private Throwable         myCause;

    /**
     * Gets the cause of this throwable.
     * It is for JDK 1.3 compatibility.
     */
    @Override
    public synchronized Throwable getCause(){
        return (myCause == this ? null : myCause);
    }

    /**
     * Initializes the cause of this throwable.
     * It is for JDK 1.3 compatibility.
     */
    @Override
    public synchronized Throwable initCause(Throwable cause){
        myCause = cause;
        return this;
    }

    private String message;

    /**
     * Gets a long message if it is available.
     */
    public String getReason(){
        if (message != null){
            return message;
        }
        return this.toString();
    }

    /**
     * Constructs a CannotCompileException with a message.
     *
     * @param msg
     *            the message.
     */
    public CannotCompileException(String msg){
        super(msg);
        message = msg;
        initCause(null);
    }

    /**
     * Constructs a CannotCompileException with an Exception
     * representing the cause.
     *
     * @param e
     *            the cause.
     */
    public CannotCompileException(Throwable e){
        super("by " + e.toString());
        message = null;
        initCause(e);
    }

    /**
     * Constructs a CannotCompileException with a detailed message
     * and an Exception representing the cause.
     *
     * @param msg
     *            the message.
     * @param e
     *            the cause.
     */
    public CannotCompileException(String msg, Throwable e){
        this(msg);
        initCause(e);
    }

    /**
     * Constructs a CannotCompileException with a
     * NotFoundException.
     */
    public CannotCompileException(NotFoundException e){
        this("cannot find " + e.getMessage(), e);
    }

    /**
     * Constructs a CannotCompileException with an CompileError.
     */
    public CannotCompileException(CompileError e){
        this("[source error] " + e.getMessage(), e);
    }

    /**
     * Constructs a CannotCompileException
     * with a ClassNotFoundException.
     */
    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);
    }
}