import org.eclipse.jdt.core.compiler.IProblem;

import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;

	 * Returns the option that can be used to tune the severity of the compiler 

	 * problem identified by problemID if any, null otherwise. Non-null return

	 * values are taken from the constants defined by this class which names 

	 * start with COMPILER_PB and for which the possible values of the option 

	 * are defined by <code>{ "error", "warning", "ignore" }</code>. A null 

	 * return value means that the problemID is unknown or that it matches a 

	 * problem which severity cannot be tuned.

	 * @param problemID one of the problem IDs defined by {@link IProblem}

	 * @return the option that can be used to tune the severity of the compiler 

	 *         problem identified by problemID if any, null otherwise

	 */

	public static String getCompilerProblemSeverityTuningOption(int problemID) {

		return CompilerOptions.optionKeyFromIrritant(ProblemReporter.getIrritant(problemID));

	}

	/**

// compiler problems tuning

// https://bugs.eclipse.org/bugs/show_bug.cgi?id=218603

public void testONLY_012_compiler_problems_tuning() {

	try {

		class ProblemAttributes {

			boolean skip;

			String option;

			ProblemAttributes(String option) {

				this.option = option;

			}

			ProblemAttributes(boolean skip) {

				this.skip = skip;

			}

		}

		ProblemAttributes SKIP = new ProblemAttributes(true);		

		Map expectedProblemAttributes = new HashMap();

		expectedProblemAttributes.put("ObjectHasNoSuperclass", SKIP);

		expectedProblemAttributes.put("UndefinedType", SKIP);

		expectedProblemAttributes.put("NotVisibleType", SKIP);

		expectedProblemAttributes.put("AmbiguousType", SKIP);

		expectedProblemAttributes.put("UsingDeprecatedType", new ProblemAttributes(JavaCore.COMPILER_PB_DEPRECATION));

		expectedProblemAttributes.put("InternalTypeNameProvided", SKIP);

		expectedProblemAttributes.put("UnusedPrivateType", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));

		expectedProblemAttributes.put("IncompatibleTypesInEqualityOperator", SKIP);

		expectedProblemAttributes.put("IncompatibleTypesInConditionalOperator", SKIP);

		expectedProblemAttributes.put("TypeMismatch", SKIP);

		expectedProblemAttributes.put("IndirectAccessToStaticType", new ProblemAttributes(JavaCore.COMPILER_PB_INDIRECT_STATIC_ACCESS));

		expectedProblemAttributes.put("MissingEnclosingInstanceForConstructorCall", SKIP);

		expectedProblemAttributes.put("MissingEnclosingInstance", SKIP);

		expectedProblemAttributes.put("IncorrectEnclosingInstanceReference", SKIP);

		expectedProblemAttributes.put("IllegalEnclosingInstanceSpecification", SKIP);

		expectedProblemAttributes.put("CannotDefineStaticInitializerInLocalType", SKIP);

		expectedProblemAttributes.put("OuterLocalMustBeFinal", SKIP);

		expectedProblemAttributes.put("CannotDefineInterfaceInLocalType", SKIP);

		expectedProblemAttributes.put("IllegalPrimitiveOrArrayTypeForEnclosingInstance", SKIP);

		expectedProblemAttributes.put("EnclosingInstanceInConstructorCall", SKIP);

		expectedProblemAttributes.put("AnonymousClassCannotExtendFinalClass", SKIP);

		expectedProblemAttributes.put("CannotDefineAnnotationInLocalType", SKIP);

		expectedProblemAttributes.put("CannotDefineEnumInLocalType", SKIP);

		expectedProblemAttributes.put("NonStaticContextForEnumMemberType", SKIP);

		expectedProblemAttributes.put("TypeHidingType", new ProblemAttributes(JavaCore.COMPILER_PB_TYPE_PARAMETER_HIDING));

		expectedProblemAttributes.put("UndefinedName", SKIP);

		expectedProblemAttributes.put("UninitializedLocalVariable", SKIP);

		expectedProblemAttributes.put("VariableTypeCannotBeVoid", SKIP);

		expectedProblemAttributes.put("VariableTypeCannotBeVoidArray", SKIP);

		expectedProblemAttributes.put("CannotAllocateVoidArray", SKIP);

		expectedProblemAttributes.put("RedefinedLocal", SKIP);

		expectedProblemAttributes.put("RedefinedArgument", SKIP);

		expectedProblemAttributes.put("DuplicateFinalLocalInitialization", SKIP);

		expectedProblemAttributes.put("NonBlankFinalLocalAssignment", SKIP);

		expectedProblemAttributes.put("ParameterAssignment", new ProblemAttributes(JavaCore.COMPILER_PB_PARAMETER_ASSIGNMENT));

		expectedProblemAttributes.put("FinalOuterLocalAssignment", SKIP);

		expectedProblemAttributes.put("LocalVariableIsNeverUsed", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_LOCAL));

		expectedProblemAttributes.put("ArgumentIsNeverUsed", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PARAMETER));

		expectedProblemAttributes.put("BytecodeExceeds64KLimit", SKIP);

		expectedProblemAttributes.put("BytecodeExceeds64KLimitForClinit", SKIP);

		expectedProblemAttributes.put("TooManyArgumentSlots", SKIP);

		expectedProblemAttributes.put("TooManyLocalVariableSlots", SKIP);

		expectedProblemAttributes.put("TooManySyntheticArgumentSlots", SKIP);

		expectedProblemAttributes.put("TooManyArrayDimensions", SKIP);

		expectedProblemAttributes.put("BytecodeExceeds64KLimitForConstructor", SKIP);

		expectedProblemAttributes.put("UndefinedField", SKIP);

		expectedProblemAttributes.put("NotVisibleField", SKIP);

		expectedProblemAttributes.put("AmbiguousField", SKIP);

		expectedProblemAttributes.put("UsingDeprecatedField", new ProblemAttributes(JavaCore.COMPILER_PB_DEPRECATION));

		expectedProblemAttributes.put("NonStaticFieldFromStaticInvocation", SKIP);

		expectedProblemAttributes.put("ReferenceToForwardField", SKIP);

		expectedProblemAttributes.put("NonStaticAccessToStaticField", new ProblemAttributes(JavaCore.COMPILER_PB_STATIC_ACCESS_RECEIVER));

		expectedProblemAttributes.put("UnusedPrivateField", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));

		expectedProblemAttributes.put("IndirectAccessToStaticField", new ProblemAttributes(JavaCore.COMPILER_PB_INDIRECT_STATIC_ACCESS));

		expectedProblemAttributes.put("UnqualifiedFieldAccess", new ProblemAttributes(JavaCore.COMPILER_PB_UNQUALIFIED_FIELD_ACCESS));

		expectedProblemAttributes.put("FinalFieldAssignment", SKIP);

		expectedProblemAttributes.put("UninitializedBlankFinalField", SKIP);

		expectedProblemAttributes.put("DuplicateBlankFinalFieldInitialization", SKIP);

		expectedProblemAttributes.put("LocalVariableHidingLocalVariable", new ProblemAttributes(JavaCore.COMPILER_PB_LOCAL_VARIABLE_HIDING));

		expectedProblemAttributes.put("LocalVariableHidingField", new ProblemAttributes(JavaCore.COMPILER_PB_LOCAL_VARIABLE_HIDING));

		expectedProblemAttributes.put("FieldHidingLocalVariable", new ProblemAttributes(JavaCore.COMPILER_PB_FIELD_HIDING));

		expectedProblemAttributes.put("FieldHidingField", new ProblemAttributes(JavaCore.COMPILER_PB_FIELD_HIDING));

		expectedProblemAttributes.put("ArgumentHidingLocalVariable", new ProblemAttributes(JavaCore.COMPILER_PB_LOCAL_VARIABLE_HIDING));

		expectedProblemAttributes.put("ArgumentHidingField", new ProblemAttributes(JavaCore.COMPILER_PB_LOCAL_VARIABLE_HIDING));

		expectedProblemAttributes.put("MissingSerialVersion", new ProblemAttributes(JavaCore.COMPILER_PB_MISSING_SERIAL_VERSION));

		expectedProblemAttributes.put("UndefinedMethod", SKIP);

		expectedProblemAttributes.put("NotVisibleMethod", SKIP);

		expectedProblemAttributes.put("AmbiguousMethod", SKIP);

		expectedProblemAttributes.put("UsingDeprecatedMethod", new ProblemAttributes(JavaCore.COMPILER_PB_DEPRECATION));

		expectedProblemAttributes.put("DirectInvocationOfAbstractMethod", SKIP);

		expectedProblemAttributes.put("VoidMethodReturnsValue", SKIP);

		expectedProblemAttributes.put("MethodReturnsVoid", SKIP);

		expectedProblemAttributes.put("MethodRequiresBody", SKIP);

		expectedProblemAttributes.put("ShouldReturnValue", SKIP);

		expectedProblemAttributes.put("MethodButWithConstructorName", new ProblemAttributes(JavaCore.COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME));

		expectedProblemAttributes.put("MissingReturnType", SKIP);

		expectedProblemAttributes.put("BodyForNativeMethod", SKIP);

		expectedProblemAttributes.put("BodyForAbstractMethod", SKIP);

		expectedProblemAttributes.put("NoMessageSendOnBaseType", SKIP);

		expectedProblemAttributes.put("ParameterMismatch", SKIP);

		expectedProblemAttributes.put("NoMessageSendOnArrayType", SKIP);

		expectedProblemAttributes.put("NonStaticAccessToStaticMethod", new ProblemAttributes(JavaCore.COMPILER_PB_STATIC_ACCESS_RECEIVER));

		expectedProblemAttributes.put("UnusedPrivateMethod", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));

		expectedProblemAttributes.put("IndirectAccessToStaticMethod", new ProblemAttributes(JavaCore.COMPILER_PB_INDIRECT_STATIC_ACCESS));

		expectedProblemAttributes.put("MissingTypeInMethod", SKIP);

		expectedProblemAttributes.put("MissingTypeInConstructor", SKIP);

		expectedProblemAttributes.put("UndefinedConstructor", SKIP);

		expectedProblemAttributes.put("NotVisibleConstructor", SKIP);

		expectedProblemAttributes.put("AmbiguousConstructor", SKIP);

		expectedProblemAttributes.put("UsingDeprecatedConstructor", new ProblemAttributes(JavaCore.COMPILER_PB_DEPRECATION));

		expectedProblemAttributes.put("UnusedPrivateConstructor", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));

		expectedProblemAttributes.put("InstanceFieldDuringConstructorInvocation", SKIP);

		expectedProblemAttributes.put("InstanceMethodDuringConstructorInvocation", SKIP);

		expectedProblemAttributes.put("RecursiveConstructorInvocation", SKIP);

		expectedProblemAttributes.put("ThisSuperDuringConstructorInvocation", SKIP);

		expectedProblemAttributes.put("InvalidExplicitConstructorCall", SKIP);

		expectedProblemAttributes.put("UndefinedConstructorInDefaultConstructor", SKIP);

		expectedProblemAttributes.put("NotVisibleConstructorInDefaultConstructor", SKIP);

		expectedProblemAttributes.put("AmbiguousConstructorInDefaultConstructor", SKIP);

		expectedProblemAttributes.put("UndefinedConstructorInImplicitConstructorCall", SKIP);

		expectedProblemAttributes.put("NotVisibleConstructorInImplicitConstructorCall", SKIP);

		expectedProblemAttributes.put("AmbiguousConstructorInImplicitConstructorCall", SKIP);

		expectedProblemAttributes.put("UnhandledExceptionInDefaultConstructor", SKIP);

		expectedProblemAttributes.put("UnhandledExceptionInImplicitConstructorCall", SKIP);

		expectedProblemAttributes.put("ArrayReferenceRequired", SKIP);

		expectedProblemAttributes.put("NoImplicitStringConversionForCharArrayExpression", new ProblemAttributes(JavaCore.COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION));

		expectedProblemAttributes.put("StringConstantIsExceedingUtf8Limit", SKIP);

		expectedProblemAttributes.put("NonConstantExpression", SKIP);

		expectedProblemAttributes.put("NumericValueOutOfRange", SKIP);

		expectedProblemAttributes.put("IllegalCast", SKIP);

		expectedProblemAttributes.put("InvalidClassInstantiation", SKIP);

		expectedProblemAttributes.put("CannotDefineDimensionExpressionsWithInit", SKIP);

		expectedProblemAttributes.put("MustDefineEitherDimensionExpressionsOrInitializer", SKIP);

		expectedProblemAttributes.put("InvalidOperator", SKIP);

		expectedProblemAttributes.put("CodeCannotBeReached", SKIP);

		expectedProblemAttributes.put("CannotReturnInInitializer", SKIP);

		expectedProblemAttributes.put("InitializerMustCompleteNormally", SKIP);

		expectedProblemAttributes.put("InvalidVoidExpression", SKIP);

		expectedProblemAttributes.put("MaskedCatch", new ProblemAttributes(JavaCore.COMPILER_PB_HIDDEN_CATCH_BLOCK));

		expectedProblemAttributes.put("DuplicateDefaultCase", SKIP);

		expectedProblemAttributes.put("UnreachableCatch", SKIP);

		expectedProblemAttributes.put("UnhandledException", SKIP);

		expectedProblemAttributes.put("IncorrectSwitchType", SKIP);

		expectedProblemAttributes.put("DuplicateCase", SKIP);

		expectedProblemAttributes.put("DuplicateLabel", SKIP);

		expectedProblemAttributes.put("InvalidBreak", SKIP);

		expectedProblemAttributes.put("InvalidContinue", SKIP);

		expectedProblemAttributes.put("UndefinedLabel", SKIP);

		expectedProblemAttributes.put("InvalidTypeToSynchronized", SKIP);

		expectedProblemAttributes.put("InvalidNullToSynchronized", SKIP);

		expectedProblemAttributes.put("CannotThrowNull", SKIP);

		expectedProblemAttributes.put("AssignmentHasNoEffect", new ProblemAttributes(JavaCore.COMPILER_PB_NO_EFFECT_ASSIGNMENT));

		expectedProblemAttributes.put("PossibleAccidentalBooleanAssignment", new ProblemAttributes(JavaCore.COMPILER_PB_POSSIBLE_ACCIDENTAL_BOOLEAN_ASSIGNMENT));

		expectedProblemAttributes.put("SuperfluousSemicolon", new ProblemAttributes(JavaCore.COMPILER_PB_EMPTY_STATEMENT));

		expectedProblemAttributes.put("UnnecessaryCast", new ProblemAttributes(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK));

		expectedProblemAttributes.put("UnnecessaryArgumentCast", SKIP);

		expectedProblemAttributes.put("UnnecessaryInstanceof", new ProblemAttributes(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK));

		expectedProblemAttributes.put("FinallyMustCompleteNormally", new ProblemAttributes(JavaCore.COMPILER_PB_FINALLY_BLOCK_NOT_COMPLETING));

		expectedProblemAttributes.put("UnusedMethodDeclaredThrownException", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_WHEN_OVERRIDING));

		expectedProblemAttributes.put("UnusedConstructorDeclaredThrownException", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_WHEN_OVERRIDING));

		expectedProblemAttributes.put("InvalidCatchBlockSequence", SKIP);

		expectedProblemAttributes.put("EmptyControlFlowStatement", new ProblemAttributes(JavaCore.COMPILER_PB_EMPTY_STATEMENT));