src/org/eclipse/jdt/internal/compiler/classfmt/ClassFormatException.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others. All rights reserved.
   3  * This program and the accompanying materials are made available under the
   4  * terms of the Common Public License v1.0 which accompanies this distribution,
   5  * and is available at http://www.eclipse.org/legal/cpl-v10.html
   6  *
   7  * Contributors: IBM Corporation - initial API and implementation
   8  ******************************************************************************/
   9 package org.eclipse.jdt.internal.compiler.classfmt;
  10 import java.io.PrintStream;
  11 import java.io.PrintWriter;
  12 public class ClassFormatException extends Exception {
  13         public static final int ErrBadMagic = 1;
  14         public static final int ErrBadMinorVersion = 2;
  15         public static final int ErrBadMajorVersion = 3;
  16         public static final int ErrBadConstantClass = 4;
  17         public static final int ErrBadConstantString = 5;
  18         public static final int ErrBadConstantNameAndType = 6;
  19         public static final int ErrBadConstantFieldRef = 7;
  20         public static final int ErrBadConstantMethodRef = 8;
  21         public static final int ErrBadConstantInterfaceMethodRef = 9;
  22         public static final int ErrBadConstantPoolIndex = 10;
  23         public static final int ErrBadSuperclassName = 11;
  24         public static final int ErrInterfaceCannotBeFinal = 12;
  25         public static final int ErrInterfaceMustBeAbstract = 13;
  26         public static final int ErrBadModifiers = 14;
  27         public static final int ErrClassCannotBeAbstractFinal = 15;
  28         public static final int ErrBadClassname = 16;
  29         public static final int ErrBadFieldInfo = 17;
  30         public static final int ErrBadMethodInfo = 17;
  31         public static final int ErrEmptyConstantPool = 18;
  32         public static final int ErrMalformedUtf8 = 19;
  33         public static final int ErrUnknownConstantTag = 20;
  34         public static final int ErrTruncatedInput = 21;
  35         public static final int ErrMethodMustBeAbstract = 22;
  36         public static final int ErrMalformedAttribute = 23;
  37         public static final int ErrBadInterface = 24;
  38         public static final int ErrInterfaceMustSubclassObject = 25;
  39         public static final int ErrIncorrectInterfaceMethods = 26;
  40         public static final int ErrInvalidMethodName = 27;
  41         public static final int ErrInvalidMethodSignature = 28;
  42
  43         private static final long serialVersionUID = 6667458511042774540L; // backward compatible
  44
  45         private int errorCode;
  46         private int bufferPosition;
  47         private RuntimeException nestedException;
  48         private char[] fileName;
  49
  50         public ClassFormatException(RuntimeException e, char[] fileName) {
  51                 this.nestedException = e;
  52         }
  53         public ClassFormatException(int code) {
  54                 errorCode = code;
  55         }
  56         public ClassFormatException(int code, int bufPos) {
  57                 errorCode = code;
  58                 bufferPosition = bufPos;
  59         }
  60         /**
  61          * @return int
  62          */
  63         public int getErrorCode() {
  64                 return errorCode;
  65         }
  66         /**
  67          * @return int
  68          */
  69         public int getBufferPosition() {
  70                 return bufferPosition;
  71         }
  72         /**
  73          * Returns the underlying <code>Throwable</code> that caused the failure.
  74          *
  75          * @return the wrappered <code>Throwable</code>, or <code>null</code>
  76          *         if the direct case of the failure was at the Java model layer
  77          */
  78         public Throwable getException() {
  79                 return this.nestedException;
  80         }
  81         public void printStackTrace() {
  82                 printStackTrace(System.err);
  83         }
  84         /**
  85          * Prints this exception's stack trace to the given print stream.
  86          *
  87          * @param output
  88          *            the print stream
  89          * @since 3.0
  90          */
  91         public void printStackTrace(PrintStream output) {
  92                 synchronized (output) {
  93                         super.printStackTrace(output);
  94                         Throwable throwable = getException();
  95                         if (throwable != null) {
  96                                 if (this.fileName != null) {
  97                                         output.print("Caused in "); //$NON-NLS-1$
  98                                         output.print(this.fileName);
  99                                         output.print(" by: "); //$NON-NLS-1$
 100                                 } else {
 101                                         output.print("Caused by: "); //$NON-NLS-1$
 102                                 }
 103                                 throwable.printStackTrace(output);
 104                         }
 105                 }
 106         }
 107         /**
 108          * Prints this exception's stack trace to the given print writer.
 109          *
 110          * @param output
 111          *            the print writer
 112          * @since 3.0
 113          */
 114         public void printStackTrace(PrintWriter output) {
 115                 synchronized (output) {
 116                         super.printStackTrace(output);
 117                         Throwable throwable = getException();
 118                         if (throwable != null) {
 119                                 if (this.fileName != null) {
 120                                         output.print("Caused in "); //$NON-NLS-1$
 121                                         output.print(this.fileName);
 122                                         output.print(" by: "); //$NON-NLS-1$
 123                                 } else {
 124                                         output.print("Caused by: "); //$NON-NLS-1$
 125                                 }
 126                                 throwable.printStackTrace(output);
 127                         }
 128                 }
 129         }
 130 }