Java Code Examples for org.eclipse.jdt.core.dom.MethodDeclaration#setConstructor()

private void addInitializersToConstructors(ASTRewrite rewrite) throws CoreException {
 	Assert.isTrue(! isDeclaredInAnonymousClass());
 	final AbstractTypeDeclaration declaration= (AbstractTypeDeclaration)getMethodDeclaration().getParent();
 	final MethodDeclaration[] constructors= getAllConstructors(declaration);
 	if (constructors.length == 0) {
 		AST ast= rewrite.getAST();
 		MethodDeclaration newConstructor= ast.newMethodDeclaration();
 		newConstructor.setConstructor(true);
 		newConstructor.modifiers().addAll(ast.newModifiers(declaration.getModifiers() & ModifierRewrite.VISIBILITY_MODIFIERS));
 		newConstructor.setName(ast.newSimpleName(declaration.getName().getIdentifier()));
 		newConstructor.setJavadoc(getNewConstructorComment(rewrite));
 		newConstructor.setBody(ast.newBlock());

 		addFieldInitializationToConstructor(rewrite, newConstructor);

 		int insertionIndex= computeInsertIndexForNewConstructor(declaration);
rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty()).insertAt(newConstructor, insertionIndex, null);
 	} else {
 		for (int index= 0; index < constructors.length; index++) {
             if (shouldInsertTempInitialization(constructors[index]))
                 addFieldInitializationToConstructor(rewrite, constructors[index]);
         }
 	}
 }
 

private void addMethodStubForAbstractMethod(final IMethod sourceMethod, final CompilationUnit declaringCuNode, final AbstractTypeDeclaration typeToCreateStubIn, final ICompilationUnit newCu, final CompilationUnitRewrite rewriter, final Map<IMember, IncomingMemberVisibilityAdjustment> adjustments, final IProgressMonitor monitor, final RefactoringStatus status) throws CoreException {
	final MethodDeclaration methodToCreateStubFor= ASTNodeSearchUtil.getMethodDeclarationNode(sourceMethod, declaringCuNode);
	final AST ast= rewriter.getRoot().getAST();
	final MethodDeclaration newMethod= ast.newMethodDeclaration();
	newMethod.setBody(createMethodStub(methodToCreateStubFor, ast));
	newMethod.setConstructor(false);
	copyExtraDimensions(methodToCreateStubFor, newMethod);
	newMethod.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getModifiersWithUpdatedVisibility(sourceMethod, JdtFlags.clearFlag(Modifier.NATIVE | Modifier.ABSTRACT, methodToCreateStubFor.getModifiers()), adjustments, new SubProgressMonitor(monitor, 1), false, status)));
	newMethod.setName(((SimpleName) ASTNode.copySubtree(ast, methodToCreateStubFor.getName())));
	final TypeVariableMaplet[] mapping= TypeVariableUtil.composeMappings(TypeVariableUtil.subTypeToSuperType(getDeclaringType(), getDestinationType()), TypeVariableUtil.superTypeToInheritedType(getDestinationType(), ((IType) typeToCreateStubIn.resolveBinding().getJavaElement())));
	copyReturnType(rewriter.getASTRewrite(), getDeclaringType().getCompilationUnit(), methodToCreateStubFor, newMethod, mapping);
	copyParameters(rewriter.getASTRewrite(), getDeclaringType().getCompilationUnit(), methodToCreateStubFor, newMethod, mapping);
	copyThrownExceptions(methodToCreateStubFor, newMethod);
	newMethod.setJavadoc(createJavadocForStub(typeToCreateStubIn.getName().getIdentifier(), methodToCreateStubFor, newMethod, newCu, rewriter.getASTRewrite()));
	ImportRewriteContext context= new ContextSensitiveImportRewriteContext(typeToCreateStubIn, rewriter.getImportRewrite());
	ImportRewriteUtil.addImports(rewriter, context, newMethod, new HashMap<Name, String>(), new HashMap<Name, String>(), false);
	rewriter.getASTRewrite().getListRewrite(typeToCreateStubIn, typeToCreateStubIn.getBodyDeclarationsProperty()).insertAt(newMethod, ASTNodes.getInsertionIndex(newMethod, typeToCreateStubIn.bodyDeclarations()), rewriter.createCategorizedGroupDescription(RefactoringCoreMessages.PullUpRefactoring_add_method_stub, SET_PULL_UP));
}
 

@SuppressWarnings("unchecked")
public MethodDeclaration createPrivateConstructorDefinition(AST ast, TypeDeclaration originalType, TypeDeclaration builderType,
        List<BuilderField> builderFields) {

    MethodDeclaration method = ast.newMethodDeclaration();
    method.setConstructor(true);
    method.setName(ast.newSimpleName(originalType.getName().toString()));
    if (preferencesManager.getPreferenceValue(ADD_GENERATED_ANNOTATION)) {
        generatedAnnotationPopulator.addGeneratedAnnotation(ast, method);
    }
    method.modifiers().add(ast.newModifier(ModifierKeyword.PRIVATE_KEYWORD));

    SingleVariableDeclaration methodParameterDeclaration = ast.newSingleVariableDeclaration();
    methodParameterDeclaration.setType(ast.newSimpleType(ast.newName(builderType.getName().toString())));
    methodParameterDeclaration.setName(ast.newSimpleName(camelCaseConverter.toLowerCamelCase(builderType.getName().toString())));

    method.parameters().add(methodParameterDeclaration);
    return method;
}
 

private MethodDeclaration createConstructor(CompilationUnitModificationDomain domain) {
    AST ast = domain.getAst();

    Block emptyBody = ast.newBlock();
    MethodDeclaration defaultConstructor = ast.newMethodDeclaration();
    defaultConstructor.setBody(emptyBody);
    defaultConstructor.setConstructor(true);
    defaultConstructor.setName(ast.newSimpleName(domain.getOriginalType().getName().toString()));
    defaultConstructor.modifiers().add(ast.newModifier(ModifierKeyword.PUBLIC_KEYWORD));

    if (preferencesManager.getPreferenceValue(ADD_GENERATED_ANNOTATION)) {
        generatedAnnotationPopulator.addGeneratedAnnotation(ast, defaultConstructor);
    }

    return defaultConstructor;
}
 

private void addNewConstructorToSubclass(AbstractTypeDeclaration subclass, CompilationUnitRewrite cuRewrite) {
	AST ast= subclass.getAST();
	MethodDeclaration newConstructor= ast.newMethodDeclaration();
	newConstructor.setName(ast.newSimpleName(subclass.getName().getIdentifier()));
	newConstructor.setConstructor(true);
	newConstructor.setJavadoc(null);
	newConstructor.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getAccessModifier(subclass)));
	newConstructor.setReturnType2(ast.newPrimitiveType(PrimitiveType.VOID));
	Block body= ast.newBlock();
	newConstructor.setBody(body);
	SuperConstructorInvocation superCall= ast.newSuperConstructorInvocation();
	addArgumentsToNewSuperConstructorCall(superCall, cuRewrite);
	body.statements().add(superCall);

	String msg= RefactoringCoreMessages.ChangeSignatureRefactoring_add_constructor;
	TextEditGroup description= cuRewrite.createGroupDescription(msg);
	cuRewrite.getASTRewrite().getListRewrite(subclass, subclass.getBodyDeclarationsProperty()).insertFirst(newConstructor, description);

	// TODO use AbstractTypeDeclaration
}
 

private MethodDeclaration createNewMethodDeclarationNode(MemberActionInfo info, TypeVariableMaplet[] mapping, CompilationUnitRewrite rewriter, MethodDeclaration oldMethod) throws JavaModelException {
	Assert.isTrue(!info.isFieldInfo());
	IMethod method= (IMethod) info.getMember();
	ASTRewrite rewrite= rewriter.getASTRewrite();
	AST ast= rewrite.getAST();
	MethodDeclaration newMethod= ast.newMethodDeclaration();
	copyBodyOfPushedDownMethod(rewrite, method, oldMethod, newMethod, mapping);
	newMethod.setConstructor(oldMethod.isConstructor());
	copyExtraDimensions(oldMethod, newMethod);
	if (info.copyJavadocToCopiesInSubclasses())
		copyJavadocNode(rewrite, oldMethod, newMethod);
	final IJavaProject project= rewriter.getCu().getJavaProject();
	if (info.isNewMethodToBeDeclaredAbstract() && JavaModelUtil.is50OrHigher(project) && JavaPreferencesSettings.getCodeGenerationSettings(project).overrideAnnotation) {
		final MarkerAnnotation annotation= ast.newMarkerAnnotation();
		annotation.setTypeName(ast.newSimpleName("Override")); //$NON-NLS-1$
		newMethod.modifiers().add(annotation);
	}
	copyAnnotations(oldMethod, newMethod);
	newMethod.modifiers().addAll(ASTNodeFactory.newModifiers(ast, info.getNewModifiersForCopyInSubclass(oldMethod.getModifiers())));
	newMethod.setName(ast.newSimpleName(oldMethod.getName().getIdentifier()));
	copyReturnType(rewrite, method.getCompilationUnit(), oldMethod, newMethod, mapping);
	copyParameters(rewrite, method.getCompilationUnit(), oldMethod, newMethod, mapping);
	copyThrownExceptions(oldMethod, newMethod);
	copyTypeParameters(oldMethod, newMethod);
	return newMethod;
}
 

private MethodDeclaration createPublicConstructor(AST ast, Block body, TypeDeclaration builderType, List<BuilderField> fields) {
    MethodDeclaration publicConstructorMethod = ast.newMethodDeclaration();
    publicConstructorMethod.setBody(body);
    publicConstructorMethod.setConstructor(true);
    publicConstructorMethod.setName(ast.newSimpleName(builderType.getName().toString()));
    publicConstructorMethod.modifiers().add(ast.newModifier(ModifierKeyword.PUBLIC_KEYWORD));

    for (BuilderField field : fields) {
        SingleVariableDeclaration parameter = createParameter(ast, field.getFieldType(), field.getBuilderFieldName());
        publicConstructorMethod.parameters().add(parameter);
    }

    return publicConstructorMethod;

}
 

private void createConstructor(final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) throws CoreException {
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final AST ast= declaration.getAST();
	final MethodDeclaration constructor= ast.newMethodDeclaration();
	constructor.setConstructor(true);
	constructor.setName(ast.newSimpleName(declaration.getName().getIdentifier()));
	final String comment= CodeGeneration.getMethodComment(fType.getCompilationUnit(), fType.getElementName(), fType.getElementName(), getNewConstructorParameterNames(), new String[0], null, null, StubUtility.getLineDelimiterUsed(fType.getJavaProject()));
	if (comment != null && comment.length() > 0) {
		final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
		constructor.setJavadoc(doc);
	}
	if (fCreateInstanceField) {
		final SingleVariableDeclaration variable= ast.newSingleVariableDeclaration();
		final String name= getNameForEnclosingInstanceConstructorParameter();
		variable.setName(ast.newSimpleName(name));
		variable.setType(createEnclosingType(ast));
		constructor.parameters().add(variable);
		final Block body= ast.newBlock();
		final Assignment assignment= ast.newAssignment();
		if (fCodeGenerationSettings.useKeywordThis || fEnclosingInstanceFieldName.equals(fNameForEnclosingInstanceConstructorParameter)) {
			final FieldAccess access= ast.newFieldAccess();
			access.setExpression(ast.newThisExpression());
			access.setName(ast.newSimpleName(fEnclosingInstanceFieldName));
			assignment.setLeftHandSide(access);
		} else
			assignment.setLeftHandSide(ast.newSimpleName(fEnclosingInstanceFieldName));
		assignment.setRightHandSide(ast.newSimpleName(name));
		final Statement statement= ast.newExpressionStatement(assignment);
		body.statements().add(statement);
		constructor.setBody(body);
	} else
		constructor.setBody(ast.newBlock());
	rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty()).insertFirst(constructor, null);
}
 

private MethodDeclaration createCopyConstructorWithBody(AST ast, TypeDeclaration builderType, TypeDeclaration originalType, String parameterName,
        Block body) {
    MethodDeclaration copyConstructor = ast.newMethodDeclaration();
    copyConstructor.setBody(body);
    copyConstructor.setConstructor(true);
    copyConstructor.setName(ast.newSimpleName(builderType.getName().toString()));
    copyConstructor.modifiers().add(ast.newModifier(PRIVATE_KEYWORD));
    copyConstructor.parameters().add(createParameter(ast, originalType, parameterName));
    return copyConstructor;
}
 

public void addEmptyPrivateConstructor(AST ast, TypeDeclaration builderType) {
    MethodDeclaration privateConstructorMethod = ast.newMethodDeclaration();
    privateConstructorMethod.setBody(ast.newBlock());
    privateConstructorMethod.setConstructor(true);
    privateConstructorMethod.setName(ast.newSimpleName(builderType.getName().toString()));
    privateConstructorMethod.modifiers().add(ast.newModifier(ModifierKeyword.PRIVATE_KEYWORD));
    builderType.bodyDeclarations().add(privateConstructorMethod);
}
 

private MethodDeclaration getStub(ASTRewrite rewrite, ASTNode targetTypeDecl) throws CoreException {
	ImportRewriteContext context=new ContextSensitiveImportRewriteContext(targetTypeDecl, getImportRewrite());

	AST ast= targetTypeDecl.getAST();
	MethodDeclaration decl= ast.newMethodDeclaration();

	SimpleName newNameNode= getNewName(rewrite);

	decl.setConstructor(isConstructor());

	addNewModifiers(rewrite, targetTypeDecl, decl.modifiers());

	ArrayList<String> takenNames= new ArrayList<>();
	addNewTypeParameters(rewrite, takenNames, decl.typeParameters(), context);

	decl.setName(newNameNode);

	IVariableBinding[] declaredFields= fSenderBinding.getDeclaredFields();
	for (int i= 0; i < declaredFields.length; i++) { // avoid to take parameter names that are equal to field names
		takenNames.add(declaredFields[i].getName());
	}

	String bodyStatement= ""; //$NON-NLS-1$
	boolean isAbstractMethod= Modifier.isAbstract(decl.getModifiers()) || (fSenderBinding.isInterface() && !Modifier.isStatic(decl.getModifiers()) && !Modifier.isDefault(decl.getModifiers()));
	if (!isConstructor()) {
		Type returnType= getNewMethodType(rewrite, context);
		decl.setReturnType2(returnType);

		boolean isVoid= returnType instanceof PrimitiveType && PrimitiveType.VOID.equals(((PrimitiveType)returnType).getPrimitiveTypeCode());
		if (!isAbstractMethod && !isVoid) {
			ReturnStatement returnStatement= ast.newReturnStatement();
			returnStatement.setExpression(ASTNodeFactory.newDefaultExpression(ast, returnType, 0));
			bodyStatement= ASTNodes.asFormattedString(returnStatement, 0, String.valueOf('\n'), getCompilationUnit().getJavaProject().getOptions(true));
		}
	}

	addNewParameters(rewrite, takenNames, decl.parameters(), context);
	addNewExceptions(rewrite, decl.thrownExceptionTypes(), context);

	Block body= null;
	if (!isAbstractMethod && !Flags.isAbstract(decl.getModifiers())) {
		body= ast.newBlock();
		if (bodyStatement.length() > 0) {
			ReturnStatement todoNode = (ReturnStatement) rewrite.createStringPlaceholder(bodyStatement,
					ASTNode.RETURN_STATEMENT);
			body.statements().add(todoNode);
		}
	}
	decl.setBody(body);

	CodeGenerationSettings settings = PreferenceManager.getCodeGenerationSettings(getCompilationUnit().getResource());
	if (settings.createComments && !fSenderBinding.isAnonymous()) {
		String string = CodeGeneration.getMethodComment(getCompilationUnit(), fSenderBinding.getName(), decl, null,
				String.valueOf('\n'));
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

private MethodDeclaration createNewMethodDeclaration(AST ast, IMethodBinding binding, ASTRewrite rewrite, ImportRewriteContext importRewriteContext, CodeGenerationSettings commentSettings) throws CoreException {
	String name= fTypeNode.getName().getIdentifier();
	MethodDeclaration decl= ast.newMethodDeclaration();
	decl.setConstructor(true);
	decl.setName(ast.newSimpleName(name));
	Block body= ast.newBlock();
	decl.setBody(body);

	SuperConstructorInvocation invocation= null;

	List<SingleVariableDeclaration> parameters= decl.parameters();
	String[] paramNames= getArgumentNames(binding);

	ITypeBinding enclosingInstance= getEnclosingInstance();
	if (enclosingInstance != null) {
		invocation= addEnclosingInstanceAccess(rewrite, importRewriteContext, parameters, paramNames, enclosingInstance);
	}

	if (binding == null) {
		decl.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.PUBLIC_KEYWORD));
	} else {
		decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, binding.getModifiers()));

		ITypeBinding[] params= binding.getParameterTypes();
		for (int i= 0; i < params.length; i++) {
			SingleVariableDeclaration var= ast.newSingleVariableDeclaration();
			var.setType(getImportRewrite().addImport(params[i], ast, importRewriteContext, TypeLocation.LOCAL_VARIABLE));
			var.setName(ast.newSimpleName(paramNames[i]));
			parameters.add(var);
		}

		List<Type> thrownExceptions= decl.thrownExceptionTypes();
		ITypeBinding[] excTypes= binding.getExceptionTypes();
		for (int i= 0; i < excTypes.length; i++) {
			Type excType= getImportRewrite().addImport(excTypes[i], ast, importRewriteContext, TypeLocation.EXCEPTION);
			thrownExceptions.add(excType);
		}

		if (invocation == null) {
			invocation= ast.newSuperConstructorInvocation();
		}

		List<Expression> arguments= invocation.arguments();
		for (int i= 0; i < paramNames.length; i++) {
			Name argument= ast.newSimpleName(paramNames[i]);
			arguments.add(argument);
			addLinkedPosition(rewrite.track(argument), false, "arg_name_" + paramNames[i]); //$NON-NLS-1$
		}
	}

	String bodyStatement = (invocation == null) ? "" : ASTNodes.asFormattedString(invocation, 0, String.valueOf('\n'), getCompilationUnit().getJavaProject().getOptions(true)); //$NON-NLS-1$
	String placeHolder= CodeGeneration.getMethodBodyContent(getCompilationUnit(), name, name, true, bodyStatement, String.valueOf('\n'));
	if (placeHolder != null) {
		ASTNode todoNode= rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
		body.statements().add(todoNode);
	}
	if (commentSettings != null) {
		String string= CodeGeneration.getMethodComment(getCompilationUnit(), name, decl, null, String.valueOf('\n'));
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

private void copyMethodToDestination(IMethod method, CompilationUnitRewrite targetRewriter, CompilationUnit sourceCuNode, CompilationUnit targetCuNode) throws JavaModelException {
	MethodDeclaration newMethod= (MethodDeclaration) targetRewriter.getASTRewrite().createStringPlaceholder(getUnindentedSource(method), ASTNode.METHOD_DECLARATION);
	newMethod.setConstructor(method.isConstructor());
	copyMemberToDestination(method, targetRewriter, sourceCuNode, targetCuNode, newMethod);
}
 

private MethodDeclaration getStub(ASTRewrite rewrite, ASTNode targetTypeDecl) throws CoreException {
	AST ast= targetTypeDecl.getAST();
	MethodDeclaration decl= ast.newMethodDeclaration();

	SimpleName newNameNode= getNewName(rewrite);

	decl.setConstructor(isConstructor());

	addNewModifiers(rewrite, targetTypeDecl, decl.modifiers());

	ArrayList<String> takenNames= new ArrayList<String>();
	addNewTypeParameters(rewrite, takenNames, decl.typeParameters());

	decl.setName(newNameNode);

	IVariableBinding[] declaredFields= fSenderBinding.getDeclaredFields();
	for (int i= 0; i < declaredFields.length; i++) { // avoid to take parameter names that are equal to field names
		takenNames.add(declaredFields[i].getName());
	}

	String bodyStatement= ""; //$NON-NLS-1$
	if (!isConstructor()) {
		Type returnType= getNewMethodType(rewrite);
		decl.setReturnType2(returnType);

		boolean isVoid= returnType instanceof PrimitiveType && PrimitiveType.VOID.equals(((PrimitiveType)returnType).getPrimitiveTypeCode());
		if (!fSenderBinding.isInterface() && !isVoid) {
			ReturnStatement returnStatement= ast.newReturnStatement();
			returnStatement.setExpression(ASTNodeFactory.newDefaultExpression(ast, returnType, 0));
			bodyStatement= ASTNodes.asFormattedString(returnStatement, 0, String.valueOf('\n'), getCompilationUnit().getJavaProject().getOptions(true));
		}
	}

	addNewParameters(rewrite, takenNames, decl.parameters());
	addNewExceptions(rewrite, decl.thrownExceptionTypes());

	Block body= null;
	if (!fSenderBinding.isInterface()) {
		body= ast.newBlock();
		String placeHolder= CodeGeneration.getMethodBodyContent(getCompilationUnit(), fSenderBinding.getName(), newNameNode.getIdentifier(), isConstructor(), bodyStatement, String.valueOf('\n'));
		if (placeHolder != null) {
			ReturnStatement todoNode= (ReturnStatement)rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
			body.statements().add(todoNode);
		}
	}
	decl.setBody(body);

	CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(getCompilationUnit().getJavaProject());
	if (settings.createComments && !fSenderBinding.isAnonymous()) {
		String string= CodeGeneration.getMethodComment(getCompilationUnit(), fSenderBinding.getName(), decl, null, String.valueOf('\n'));
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

private MethodDeclaration createNewMethodDeclaration(AST ast, IMethodBinding binding, ASTRewrite rewrite, ImportRewriteContext importRewriteContext, CodeGenerationSettings commentSettings) throws CoreException {
	String name= fTypeNode.getName().getIdentifier();
	MethodDeclaration decl= ast.newMethodDeclaration();
	decl.setConstructor(true);
	decl.setName(ast.newSimpleName(name));
	Block body= ast.newBlock();
	decl.setBody(body);

	SuperConstructorInvocation invocation= null;

	List<SingleVariableDeclaration> parameters= decl.parameters();
	String[] paramNames= getArgumentNames(binding);

	ITypeBinding enclosingInstance= getEnclosingInstance();
	if (enclosingInstance != null) {
		invocation= addEnclosingInstanceAccess(rewrite, importRewriteContext, parameters, paramNames, enclosingInstance);
	}

	if (binding == null) {
		decl.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.PUBLIC_KEYWORD));
	} else {
		decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, binding.getModifiers()));

		ITypeBinding[] params= binding.getParameterTypes();
		for (int i= 0; i < params.length; i++) {
			SingleVariableDeclaration var= ast.newSingleVariableDeclaration();
			var.setType(getImportRewrite().addImport(params[i], ast, importRewriteContext));
			var.setName(ast.newSimpleName(paramNames[i]));
			parameters.add(var);
		}

		List<Type> thrownExceptions= decl.thrownExceptionTypes();
		ITypeBinding[] excTypes= binding.getExceptionTypes();
		for (int i= 0; i < excTypes.length; i++) {
			Type excType= getImportRewrite().addImport(excTypes[i], ast, importRewriteContext);
			thrownExceptions.add(excType);
		}

		if (invocation == null) {
			invocation= ast.newSuperConstructorInvocation();
		}

		List<Expression> arguments= invocation.arguments();
		for (int i= 0; i < paramNames.length; i++) {
			Name argument= ast.newSimpleName(paramNames[i]);
			arguments.add(argument);
			addLinkedPosition(rewrite.track(argument), false, "arg_name_" + paramNames[i]); //$NON-NLS-1$
		}
	}

	String bodyStatement= (invocation == null) ? "" : ASTNodes.asFormattedString(invocation, 0, String.valueOf('\n'), getCompilationUnit().getJavaProject().getOptions(true)); //$NON-NLS-1$
	String placeHolder= CodeGeneration.getMethodBodyContent(getCompilationUnit(), name, name, true, bodyStatement, String.valueOf('\n'));
	if (placeHolder != null) {
		ASTNode todoNode= rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
		body.statements().add(todoNode);
	}
	if (commentSettings != null) {
		String string= CodeGeneration.getMethodComment(getCompilationUnit(), name, decl, null, String.valueOf('\n'));
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

private MethodDeclaration createHashCodeMethod() throws CoreException {

		MethodDeclaration hashCodeMethod= fAst.newMethodDeclaration();
		hashCodeMethod.modifiers().addAll(ASTNodeFactory.newModifiers(fAst, Modifier.PUBLIC));
		hashCodeMethod.setName(fAst.newSimpleName(METHODNAME_HASH_CODE));
		hashCodeMethod.setConstructor(false);
		hashCodeMethod.setReturnType2(fAst.newPrimitiveType(PrimitiveType.INT));

		Block body= fAst.newBlock();
		hashCodeMethod.setBody(body);

		// PRIME NUMBER
		VariableDeclarationFragment frag= fAst.newVariableDeclarationFragment();
		frag.setName(fAst.newSimpleName(VARIABLE_NAME_PRIME));
		frag.setInitializer(fAst.newNumberLiteral(PRIME_NUMBER));

		VariableDeclarationStatement primeNumberDeclaration= fAst.newVariableDeclarationStatement(frag);
		primeNumberDeclaration.modifiers().add(fAst.newModifier(ModifierKeyword.FINAL_KEYWORD));
		primeNumberDeclaration.setType(fAst.newPrimitiveType(PrimitiveType.INT));
		body.statements().add(primeNumberDeclaration);

		// RESULT
		VariableDeclarationFragment fragment= fAst.newVariableDeclarationFragment();
		fragment.setName(fAst.newSimpleName(VARIABLE_NAME_RESULT));

		VariableDeclarationStatement resultDeclaration= fAst.newVariableDeclarationStatement(fragment);
		resultDeclaration.setType(fAst.newPrimitiveType(PrimitiveType.INT));
		body.statements().add(resultDeclaration);

		if (needsNoSuperCall(fType, METHODNAME_HASH_CODE, new ITypeBinding[0])) {
			fragment.setInitializer(fAst.newNumberLiteral(INITIAL_HASHCODE_VALUE));
		} else {
			SuperMethodInvocation invoc= fAst.newSuperMethodInvocation();
			invoc.setName(fAst.newSimpleName(METHODNAME_HASH_CODE));
			fragment.setInitializer(invoc);
		}

		if (isMemberType()) {
			body.statements().add(createAddOuterHashCode());
		}

		for (int i= 0; i < fFields.length; i++) {
			if (fFields[i].getType().isPrimitive()) {
				Statement[] sts= createAddSimpleHashCode(fFields[i].getType(), new IHashCodeAccessProvider() {

					public Expression getThisAccess(String name) {
						return getThisAccessForHashCode(name);
					}

				}, fFields[i].getName(), false);
				for (int j= 0; j < sts.length; j++) {
					body.statements().add(sts[j]);
				}
			} else if (fFields[i].getType().isArray())
				body.statements().add(createAddArrayHashCode(fFields[i]));
			else
				body.statements().add(createAddQualifiedHashCode(fFields[i]));
		}

		// the last return:
		ReturnStatement endReturn= fAst.newReturnStatement();
		endReturn.setExpression(fAst.newSimpleName(VARIABLE_NAME_RESULT));
		body.statements().add(endReturn);

		// method comment
		if (fSettings != null) {
			ITypeBinding object= fAst.resolveWellKnownType(JAVA_LANG_OBJECT);
			IMethodBinding[] objms= object.getDeclaredMethods();
			IMethodBinding objectMethod= null;
			for (int i= 0; i < objms.length; i++) {
				if (objms[i].getName().equals(METHODNAME_HASH_CODE) && objms[i].getParameterTypes().length == 0)
					objectMethod= objms[i];
			}
			createMethodComment(hashCodeMethod, objectMethod);
		}

		return hashCodeMethod;
	}
 

private void copyMethodToDestination(IMethod method, CompilationUnitRewrite targetRewriter, CompilationUnit sourceCuNode, CompilationUnit targetCuNode) throws JavaModelException {
	MethodDeclaration newMethod= (MethodDeclaration) targetRewriter.getASTRewrite().createStringPlaceholder(getUnindentedSource(method), ASTNode.METHOD_DECLARATION);
	newMethod.setConstructor(method.isConstructor());
	copyMemberToDestination(method, targetRewriter, sourceCuNode, targetCuNode, newMethod);
}
 

public static MethodDeclaration createConstructorStub(ICompilationUnit unit, ASTRewrite rewrite, ImportRewrite imports, ImportRewriteContext context, IMethodBinding binding, String type, int modifiers, boolean omitSuperForDefConst, boolean todo, CodeGenerationSettings settings) throws CoreException {
	AST ast= rewrite.getAST();
	MethodDeclaration decl= ast.newMethodDeclaration();
	decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifiers & ~Modifier.ABSTRACT & ~Modifier.NATIVE));
	decl.setName(ast.newSimpleName(type));
	decl.setConstructor(true);

	createTypeParameters(imports, context, ast, binding, decl);

	List<SingleVariableDeclaration> parameters= createParameters(unit.getJavaProject(), imports, context, ast, binding, null, decl);

	createThrownExceptions(decl, binding, imports, context, ast);

	Block body= ast.newBlock();
	decl.setBody(body);

	String delimiter= StubUtility.getLineDelimiterUsed(unit);
	String bodyStatement= ""; //$NON-NLS-1$
	if (!omitSuperForDefConst || !parameters.isEmpty()) {
		SuperConstructorInvocation invocation= ast.newSuperConstructorInvocation();
		SingleVariableDeclaration varDecl= null;
		for (Iterator<SingleVariableDeclaration> iterator= parameters.iterator(); iterator.hasNext();) {
			varDecl= iterator.next();
			invocation.arguments().add(ast.newSimpleName(varDecl.getName().getIdentifier()));
		}
		bodyStatement= ASTNodes.asFormattedString(invocation, 0, delimiter, unit.getJavaProject().getOptions(true));
	}

	if (todo) {
		String placeHolder= CodeGeneration.getMethodBodyContent(unit, type, binding.getName(), true, bodyStatement, delimiter);
		if (placeHolder != null) {
			ReturnStatement todoNode= (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
			body.statements().add(todoNode);
		}
	} else {
		ReturnStatement statementNode= (ReturnStatement) rewrite.createStringPlaceholder(bodyStatement, ASTNode.RETURN_STATEMENT);
		body.statements().add(statementNode);
	}

	if (settings != null && settings.createComments) {
		String string= CodeGeneration.getMethodComment(unit, type, decl, binding, delimiter);
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

public static MethodDeclaration createConstructorStub(ICompilationUnit unit, ASTRewrite rewrite, ImportRewrite imports, ImportRewriteContext context, ITypeBinding typeBinding, IMethodBinding superConstructor, IVariableBinding[] variableBindings, int modifiers, CodeGenerationSettings settings) throws CoreException {
	AST ast= rewrite.getAST();

	MethodDeclaration decl= ast.newMethodDeclaration();
	decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifiers & ~Modifier.ABSTRACT & ~Modifier.NATIVE));
	decl.setName(ast.newSimpleName(typeBinding.getName()));
	decl.setConstructor(true);

	List<SingleVariableDeclaration> parameters= decl.parameters();
	if (superConstructor != null) {
		createTypeParameters(imports, context, ast, superConstructor, decl);

		createParameters(unit.getJavaProject(), imports, context, ast, superConstructor, null, decl);

		createThrownExceptions(decl, superConstructor, imports, context, ast);
	}

	Block body= ast.newBlock();
	decl.setBody(body);

	String delimiter= StubUtility.getLineDelimiterUsed(unit);

	if (superConstructor != null) {
		SuperConstructorInvocation invocation= ast.newSuperConstructorInvocation();
		SingleVariableDeclaration varDecl= null;
		for (Iterator<SingleVariableDeclaration> iterator= parameters.iterator(); iterator.hasNext();) {
			varDecl= iterator.next();
			invocation.arguments().add(ast.newSimpleName(varDecl.getName().getIdentifier()));
		}
		body.statements().add(invocation);
	}

	List<String> prohibited= new ArrayList<String>();
	for (final Iterator<SingleVariableDeclaration> iterator= parameters.iterator(); iterator.hasNext();)
		prohibited.add(iterator.next().getName().getIdentifier());
	String param= null;
	List<String> list= new ArrayList<String>(prohibited);
	String[] excluded= null;
	for (int i= 0; i < variableBindings.length; i++) {
		SingleVariableDeclaration var= ast.newSingleVariableDeclaration();
		var.setType(imports.addImport(variableBindings[i].getType(), ast, context));
		excluded= new String[list.size()];
		list.toArray(excluded);
		param= suggestParameterName(unit, variableBindings[i], excluded);
		list.add(param);
		var.setName(ast.newSimpleName(param));
		parameters.add(var);
	}

	list= new ArrayList<String>(prohibited);
	for (int i= 0; i < variableBindings.length; i++) {
		excluded= new String[list.size()];
		list.toArray(excluded);
		final String paramName= suggestParameterName(unit, variableBindings[i], excluded);
		list.add(paramName);
		final String fieldName= variableBindings[i].getName();
		Expression expression= null;
		if (paramName.equals(fieldName) || settings.useKeywordThis) {
			FieldAccess access= ast.newFieldAccess();
			access.setExpression(ast.newThisExpression());
			access.setName(ast.newSimpleName(fieldName));
			expression= access;
		} else
			expression= ast.newSimpleName(fieldName);
		Assignment assignment= ast.newAssignment();
		assignment.setLeftHandSide(expression);
		assignment.setRightHandSide(ast.newSimpleName(paramName));
		assignment.setOperator(Assignment.Operator.ASSIGN);
		body.statements().add(ast.newExpressionStatement(assignment));
	}

	if (settings != null && settings.createComments) {
		String string= CodeGeneration.getMethodComment(unit, typeBinding.getName(), decl, superConstructor, delimiter);
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}
 

public static MethodDeclaration createDelegationStub(ICompilationUnit unit, ASTRewrite rewrite, ImportRewrite imports, ImportRewriteContext context, IMethodBinding delegate, IVariableBinding delegatingField, CodeGenerationSettings settings) throws CoreException {
	Assert.isNotNull(delegate);
	Assert.isNotNull(delegatingField);
	Assert.isNotNull(settings);

	AST ast= rewrite.getAST();

	MethodDeclaration decl= ast.newMethodDeclaration();
	decl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, delegate.getModifiers() & ~Modifier.SYNCHRONIZED & ~Modifier.ABSTRACT & ~Modifier.NATIVE));

	decl.setName(ast.newSimpleName(delegate.getName()));
	decl.setConstructor(false);

	createTypeParameters(imports, context, ast, delegate, decl);

	decl.setReturnType2(imports.addImport(delegate.getReturnType(), ast, context));

	List<SingleVariableDeclaration> params= createParameters(unit.getJavaProject(), imports, context, ast, delegate, null, decl);

	createThrownExceptions(decl, delegate, imports, context, ast);

	Block body= ast.newBlock();
	decl.setBody(body);

	String delimiter= StubUtility.getLineDelimiterUsed(unit);

	Statement statement= null;
	MethodInvocation invocation= ast.newMethodInvocation();
	invocation.setName(ast.newSimpleName(delegate.getName()));
	List<Expression> arguments= invocation.arguments();
	for (int i= 0; i < params.size(); i++)
		arguments.add(ast.newSimpleName(params.get(i).getName().getIdentifier()));
	if (settings.useKeywordThis) {
		FieldAccess access= ast.newFieldAccess();
		access.setExpression(ast.newThisExpression());
		access.setName(ast.newSimpleName(delegatingField.getName()));
		invocation.setExpression(access);
	} else
		invocation.setExpression(ast.newSimpleName(delegatingField.getName()));
	if (delegate.getReturnType().isPrimitive() && delegate.getReturnType().getName().equals("void")) {//$NON-NLS-1$
		statement= ast.newExpressionStatement(invocation);
	} else {
		ReturnStatement returnStatement= ast.newReturnStatement();
		returnStatement.setExpression(invocation);
		statement= returnStatement;
	}
	body.statements().add(statement);

	ITypeBinding declaringType= delegatingField.getDeclaringClass();
	if (declaringType == null) { // can be null for
		return decl;
	}

	String qualifiedName= declaringType.getQualifiedName();
	IPackageBinding packageBinding= declaringType.getPackage();
	if (packageBinding != null) {
		if (packageBinding.getName().length() > 0 && qualifiedName.startsWith(packageBinding.getName()))
			qualifiedName= qualifiedName.substring(packageBinding.getName().length());
	}

	if (settings.createComments) {
		/*
		 * TODO: have API for delegate method comments This is an inlined
		 * version of
		 * {@link CodeGeneration#getMethodComment(ICompilationUnit, String, MethodDeclaration, IMethodBinding, String)}
		 */
		delegate= delegate.getMethodDeclaration();
		String declaringClassQualifiedName= delegate.getDeclaringClass().getQualifiedName();
		String linkToMethodName= delegate.getName();
		String[] parameterTypesQualifiedNames= StubUtility.getParameterTypeNamesForSeeTag(delegate);
		String string= StubUtility.getMethodComment(unit, qualifiedName, decl, delegate.isDeprecated(), linkToMethodName, declaringClassQualifiedName, parameterTypesQualifiedNames, true, delimiter);
		if (string != null) {
			Javadoc javadoc= (Javadoc) rewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
			decl.setJavadoc(javadoc);
		}
	}
	return decl;
}