ClassFormatException.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.classfmt;

import java.io.PrintStream;
import java.io.PrintWriter;

public class ClassFormatException extends Exception {

	public static final int ErrBadMagic= 1;

	public static final int ErrBadMinorVersion= 2;

	public static final int ErrBadMajorVersion= 3;

	public static final int ErrBadConstantClass= 4;

	public static final int ErrBadConstantString= 5;

	public static final int ErrBadConstantNameAndType= 6;

	public static final int ErrBadConstantFieldRef= 7;

	public static final int ErrBadConstantMethodRef= 8;

	public static final int ErrBadConstantInterfaceMethodRef= 9;

	public static final int ErrBadConstantPoolIndex= 10;

	public static final int ErrBadSuperclassName= 11;

	public static final int ErrInterfaceCannotBeFinal= 12;

	public static final int ErrInterfaceMustBeAbstract= 13;

	public static final int ErrBadModifiers= 14;

	public static final int ErrClassCannotBeAbstractFinal= 15;

	public static final int ErrBadClassname= 16;

	public static final int ErrBadFieldInfo= 17;

	public static final int ErrBadMethodInfo= 17;

	public static final int ErrEmptyConstantPool= 18;

	public static final int ErrMalformedUtf8= 19;

	public static final int ErrUnknownConstantTag= 20;

	public static final int ErrTruncatedInput= 21;

	public static final int ErrMethodMustBeAbstract= 22;

	public static final int ErrMalformedAttribute= 23;

	public static final int ErrBadInterface= 24;

	public static final int ErrInterfaceMustSubclassObject= 25;

	public static final int ErrIncorrectInterfaceMethods= 26;

	public static final int ErrInvalidMethodName= 27;

	public static final int ErrInvalidMethodSignature= 28;

	private static final long serialVersionUID= 6667458511042774540L; // backward compatible

	private int errorCode;

	private int bufferPosition;

	private RuntimeException nestedException;

	private char[] fileName;

	public ClassFormatException(RuntimeException e, char[] fileName) {
		this.nestedException= e;
		this.fileName= fileName;
	}

	public ClassFormatException(int code) {
		this.errorCode= code;
	}

	public ClassFormatException(int code, int bufPos) {
		this.errorCode= code;
		this.bufferPosition= bufPos;
	}

	/**
	 * @return int
	 */
	public int getErrorCode() {
		return this.errorCode;
	}

	/**
	 * @return int
	 */
	public int getBufferPosition() {
		return this.bufferPosition;
	}

	/**
	 * Returns the underlying <code>Throwable</code> that caused the failure.
	 * 
	 * @return the wrappered <code>Throwable</code>, or <code>null</code> if the direct case of the
	 *         failure was at the Java model layer
	 */
	public Throwable getException() {
		return this.nestedException;
	}

	public void printStackTrace() {
		printStackTrace(System.err);
	}

	/**
	 * Prints this exception's stack trace to the given print stream.
	 * 
	 * @param output the print stream
	 * @since 3.0
	 */
	public void printStackTrace(PrintStream output) {
		synchronized (output) {
			super.printStackTrace(output);
			Throwable throwable= getException();
			if (throwable != null) {
				if (this.fileName != null) {
					output.print("Caused in "); //$NON-NLS-1$
					output.print(this.fileName);
					output.print(" by: "); //$NON-NLS-1$
				} else {
					output.print("Caused by: "); //$NON-NLS-1$
				}
				throwable.printStackTrace(output);
			}
		}
	}

	/**
	 * Prints this exception's stack trace to the given print writer.
	 * 
	 * @param output the print writer
	 * @since 3.0
	 */
	public void printStackTrace(PrintWriter output) {
		synchronized (output) {
			super.printStackTrace(output);
			Throwable throwable= getException();
			if (throwable != null) {
				if (this.fileName != null) {
					output.print("Caused in "); //$NON-NLS-1$
					output.print(this.fileName);
					output.print(" by: "); //$NON-NLS-1$
				} else {
					output.print("Caused by: "); //$NON-NLS-1$
				}
				throwable.printStackTrace(output);
			}
		}
	}
}