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
  14         public static final int ErrBadMagic = 1;
  15         public static final int ErrBadMinorVersion = 2;
  16         public static final int ErrBadMajorVersion = 3;
  17         public static final int ErrBadConstantClass = 4;
  18         public static final int ErrBadConstantString = 5;
  19         public static final int ErrBadConstantNameAndType = 6;
  20         public static final int ErrBadConstantFieldRef = 7;
  21         public static final int ErrBadConstantMethodRef = 8;
  22         public static final int ErrBadConstantInterfaceMethodRef = 9;
  23         public static final int ErrBadConstantPoolIndex = 10;
  24         public static final int ErrBadSuperclassName = 11;
  25         public static final int ErrInterfaceCannotBeFinal = 12;
  26         public static final int ErrInterfaceMustBeAbstract = 13;
  27         public static final int ErrBadModifiers = 14;
  28         public static final int ErrClassCannotBeAbstractFinal = 15;
  29         public static final int ErrBadClassname = 16;
  30         public static final int ErrBadFieldInfo = 17;
  31         public static final int ErrBadMethodInfo = 17;
  32         public static final int ErrEmptyConstantPool = 18;
  33         public static final int ErrMalformedUtf8 = 19;
  34         public static final int ErrUnknownConstantTag = 20;
  35         public static final int ErrTruncatedInput = 21;
  36         public static final int ErrMethodMustBeAbstract = 22;
  37         public static final int ErrMalformedAttribute = 23;
  38         public static final int ErrBadInterface = 24;
  39         public static final int ErrInterfaceMustSubclassObject = 25;
  40         public static final int ErrIncorrectInterfaceMethods = 26;
  41         public static final int ErrInvalidMethodName = 27;
  42         public static final int ErrInvalidMethodSignature = 28;
  43
  44         private static final long serialVersionUID = 6667458511042774540L; // backward compatible
  45
  46         private int errorCode;
  47         private int bufferPosition;
  48         private RuntimeException nestedException;
  49         private char[] fileName;
  50
  51         public ClassFormatException(RuntimeException e, char[] fileName) {
  52                 this.nestedException = e;
  53         }
  54         public ClassFormatException(int code) {
  55                 errorCode = code;
  56         }
  57         public ClassFormatException(int code, int bufPos) {
  58                 errorCode = code;
  59                 bufferPosition = bufPos;
  60         }
  61         /**
  62          * @return int
  63          */
  64         public int getErrorCode() {
  65                 return errorCode;
  66         }
  67         /**
  68          * @return int
  69          */
  70         public int getBufferPosition() {
  71                 return bufferPosition;
  72         }
  73         /**
  74          * Returns the underlying <code>Throwable</code> that caused the failure.
  75          *
  76          * @return the wrappered <code>Throwable</code>, or <code>null</code>
  77          *         if the direct case of the failure was at the Java model layer
  78          */
  79         public Throwable getException() {
  80                 return this.nestedException;
  81         }
  82         public void printStackTrace() {
  83                 printStackTrace(System.err);
  84         }
  85         /**
  86          * Prints this exception's stack trace to the given print stream.
  87          *
  88          * @param output
  89          *            the print stream
  90          * @since 3.0
  91          */
  92         public void printStackTrace(PrintStream output) {
  93                 synchronized (output) {
  94                         super.printStackTrace(output);
  95                         Throwable throwable = getException();
  96                         if (throwable != null) {
  97                                 if (this.fileName != null) {
  98                                         output.print("Caused in "); //$NON-NLS-1$
  99                                         output.print(this.fileName);
 100                                         output.print(" by: "); //$NON-NLS-1$
 101                                 } else {
 102                                         output.print("Caused by: "); //$NON-NLS-1$
 103                                 }
 104                                 throwable.printStackTrace(output);
 105                         }
 106                 }
 107         }
 108         /**
 109          * Prints this exception's stack trace to the given print writer.
 110          *
 111          * @param output
 112          *            the print writer
 113          * @since 3.0
 114          */
 115         public void printStackTrace(PrintWriter output) {
 116                 synchronized (output) {
 117                         super.printStackTrace(output);
 118                         Throwable throwable = getException();
 119                         if (throwable != null) {
 120                                 if (this.fileName != null) {
 121                                         output.print("Caused in "); //$NON-NLS-1$
 122                                         output.print(this.fileName);
 123                                         output.print(" by: "); //$NON-NLS-1$
 124                                 } else {
 125                                         output.print("Caused by: "); //$NON-NLS-1$
 126                                 }
 127                                 throwable.printStackTrace(output);
 128                         }
 129                 }
 130         }
 131 }