org.eclipse.jdt.core.dom.FieldDeclaration#setType ( )源码实例Demo

private FieldDeclaration createNewFieldDeclaration(ASTRewrite rewrite) throws CoreException {
	AST ast = fCURewrite.getAST();
	VariableDeclarationFragment fragment = ast.newVariableDeclarationFragment();
	SimpleName variableName = ast.newSimpleName(fFieldName);
	fragment.setName(variableName);
	if (fLinkedProposalModel != null) {
		fLinkedProposalModel.getPositionGroup(KEY_NAME, true).addPosition(rewrite.track(variableName), false);
	}

	if (fInitializeIn == INITIALIZE_IN_FIELD) {
		Expression initializer = getSelectedExpression().createCopyTarget(fCURewrite.getASTRewrite(), true);
		fragment.setInitializer(initializer);
	}
	FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(fragment);
	fieldDeclaration.setType(createFieldType());
	fieldDeclaration.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getModifiers()));
	return fieldDeclaration;
}
 

protected static FieldDeclaration createNewFieldDeclarationNode(final ASTRewrite rewrite, final CompilationUnit unit, final IField field, final VariableDeclarationFragment oldFieldFragment, final TypeVariableMaplet[] mapping, final IProgressMonitor monitor, final RefactoringStatus status, final int modifiers) throws JavaModelException {
	final VariableDeclarationFragment newFragment= rewrite.getAST().newVariableDeclarationFragment();
	copyExtraDimensions(oldFieldFragment, newFragment);
	if (oldFieldFragment.getInitializer() != null) {
		Expression newInitializer= null;
		if (mapping.length > 0)
			newInitializer= createPlaceholderForExpression(oldFieldFragment.getInitializer(), field.getCompilationUnit(), mapping, rewrite);
		else
			newInitializer= createPlaceholderForExpression(oldFieldFragment.getInitializer(), field.getCompilationUnit(), rewrite);
		newFragment.setInitializer(newInitializer);
	}
	newFragment.setName(((SimpleName) ASTNode.copySubtree(rewrite.getAST(), oldFieldFragment.getName())));
	final FieldDeclaration newField= rewrite.getAST().newFieldDeclaration(newFragment);
	final FieldDeclaration oldField= ASTNodeSearchUtil.getFieldDeclarationNode(field, unit);
	copyJavadocNode(rewrite, oldField, newField);
	copyAnnotations(oldField, newField);
	newField.modifiers().addAll(ASTNodeFactory.newModifiers(rewrite.getAST(), modifiers));
	final Type oldType= oldField.getType();
	Type newType= null;
	if (mapping.length > 0) {
		newType= createPlaceholderForType(oldType, field.getCompilationUnit(), mapping, rewrite);
	} else
		newType= createPlaceholderForType(oldType, field.getCompilationUnit(), rewrite);
	newField.setType(newType);
	return newField;
}
 

private void addEnclosingInstanceDeclaration(final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) throws CoreException {
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final AST ast= declaration.getAST();
	final VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
	fragment.setName(ast.newSimpleName(fEnclosingInstanceFieldName));
	final FieldDeclaration newField= ast.newFieldDeclaration(fragment);
	newField.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getEnclosingInstanceAccessModifiers()));
	newField.setType(createEnclosingType(ast));
	final String comment= CodeGeneration.getFieldComment(fType.getCompilationUnit(), declaration.getName().getIdentifier(), fEnclosingInstanceFieldName, StubUtility.getLineDelimiterUsed(fType.getJavaProject()));
	if (comment != null && comment.length() > 0) {
		final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
		newField.setJavadoc(doc);
	}
	rewrite.getListRewrite(declaration, declaration.getBodyDeclarationsProperty()).insertFirst(newField, null);
}
 

private FieldDeclaration createField(ParameterInfo pi, CompilationUnitRewrite cuRewrite) throws CoreException {
	AST ast= cuRewrite.getAST();
	ICompilationUnit unit= cuRewrite.getCu();

	VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
	String lineDelim= StubUtility.getLineDelimiterUsed(unit);
	SimpleName fieldName= ast.newSimpleName(pi.getNewName());
	fragment.setName(fieldName);
	FieldDeclaration declaration= ast.newFieldDeclaration(fragment);
	if (createComments(unit.getJavaProject())) {
		String comment= StubUtility.getFieldComment(unit, pi.getNewTypeName(), pi.getNewName(), lineDelim);
		if (comment != null) {
			Javadoc doc= (Javadoc) cuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JAVADOC);
			declaration.setJavadoc(doc);
		}
	}
	List<Modifier> modifiers= new ArrayList<Modifier>();
	if (fCreateGetter) {
		modifiers.add(ast.newModifier(ModifierKeyword.PRIVATE_KEYWORD));
	} else {
		modifiers.add(ast.newModifier(ModifierKeyword.PUBLIC_KEYWORD));
	}
	declaration.modifiers().addAll(modifiers);
	declaration.setType(importBinding(pi.getNewTypeBinding(), cuRewrite));
	return declaration;
}
 

private void createFieldsForAccessedLocals(CompilationUnitRewrite rewrite, IVariableBinding[] varBindings, String[] fieldNames, List<BodyDeclaration> newBodyDeclarations) throws CoreException {
	final ImportRewrite importRewrite= rewrite.getImportRewrite();
	final ASTRewrite astRewrite= rewrite.getASTRewrite();
	final AST ast= astRewrite.getAST();

	for (int i= 0; i < varBindings.length; i++) {
		VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
		fragment.setInitializer(null);
		fragment.setName(ast.newSimpleName(fieldNames[i]));
		FieldDeclaration field= ast.newFieldDeclaration(fragment);
		ITypeBinding varType= varBindings[i].getType();
		field.setType(importRewrite.addImport(varType, ast));
		field.modifiers().addAll(ASTNodeFactory.newModifiers(ast, Modifier.PRIVATE | Modifier.FINAL));
		if (doAddComments()) {
			String string= CodeGeneration.getFieldComment(rewrite.getCu(), varType.getName(), fieldNames[i], StubUtility.getLineDelimiterUsed(fCu));
			if (string != null) {
				Javadoc javadoc= (Javadoc) astRewrite.createStringPlaceholder(string, ASTNode.JAVADOC);
				field.setJavadoc(javadoc);
			}
		}

		newBodyDeclarations.add(field);

		addLinkedPosition(KEY_FIELD_NAME_EXT + i, fragment.getName(), astRewrite, false);
	}
}
 

private FieldDeclaration createNewFieldDeclaration(ASTRewrite rewrite) {
AST ast= getAST();
VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
SimpleName variableName= ast.newSimpleName(fFieldName);
fragment.setName(variableName);
addLinkedName(rewrite, variableName, false);
List<Dimension> extraDimensions= DimensionRewrite.copyDimensions(fTempDeclarationNode.extraDimensions(), rewrite);
fragment.extraDimensions().addAll(extraDimensions);
if (fInitializeIn == INITIALIZE_IN_FIELD && tempHasInitializer()){
    Expression initializer= (Expression)rewrite.createCopyTarget(getTempInitializer());
    fragment.setInitializer(initializer);
}
FieldDeclaration fieldDeclaration= ast.newFieldDeclaration(fragment);

VariableDeclarationStatement vds= getTempDeclarationStatement();
Type type= (Type)rewrite.createCopyTarget(vds.getType());
fieldDeclaration.setType(type);
fieldDeclaration.modifiers().addAll(ASTNodeFactory.newModifiers(ast, getModifiers()));
return fieldDeclaration;
  }
 

private VariableDeclarationFragment addFieldDeclaration(ASTRewrite rewrite, ASTNode newTypeDecl, int modifiers, Expression expression, ASTNode nodeToAssign, ITypeBinding typeBinding,
		int index) {
	if (fExistingFragment != null) {
		return fExistingFragment;
	}

	ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
	List<BodyDeclaration> decls= ASTNodes.getBodyDeclarations(newTypeDecl);
	AST ast= newTypeDecl.getAST();
	String[] varNames= suggestFieldNames(typeBinding, expression, modifiers, nodeToAssign);
	for (int i= 0; i < varNames.length; i++) {
		addLinkedPositionProposal(KEY_NAME + index, varNames[i]);
	}
	String varName= varNames[0];

	VariableDeclarationFragment newDeclFrag= ast.newVariableDeclarationFragment();
	newDeclFrag.setName(ast.newSimpleName(varName));

	FieldDeclaration newDecl= ast.newFieldDeclaration(newDeclFrag);

	Type type= evaluateType(ast, nodeToAssign, typeBinding, KEY_TYPE + index, TypeLocation.FIELD);
	newDecl.setType(type);
	newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifiers));

	ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(getLinkedProposalModel(), rewrite, newDecl.modifiers(), false, ModifierCorrectionSubProcessor.KEY_MODIFIER + index);

	int insertIndex= findFieldInsertIndex(decls, nodeToAssign.getStartPosition()) + index;
	rewrite.getListRewrite(newTypeDecl, property).insertAt(newDecl, insertIndex, null);

	return newDeclFrag;
}
 

private FieldDeclaration createNewFieldDeclarationNode(MemberActionInfo info, CompilationUnit declaringCuNode, TypeVariableMaplet[] mapping, ASTRewrite rewrite, VariableDeclarationFragment oldFieldFragment) throws JavaModelException {
	Assert.isTrue(info.isFieldInfo());
	IField field= (IField) info.getMember();
	AST ast= rewrite.getAST();
	VariableDeclarationFragment newFragment= ast.newVariableDeclarationFragment();
	copyExtraDimensions(oldFieldFragment, newFragment);
	Expression initializer= oldFieldFragment.getInitializer();
	if (initializer != null) {
		Expression newInitializer= null;
		if (mapping.length > 0)
			newInitializer= createPlaceholderForExpression(initializer, field.getCompilationUnit(), mapping, rewrite);
		else
			newInitializer= createPlaceholderForExpression(initializer, field.getCompilationUnit(), rewrite);
		newFragment.setInitializer(newInitializer);
	}
	newFragment.setName(ast.newSimpleName(oldFieldFragment.getName().getIdentifier()));
	FieldDeclaration newField= ast.newFieldDeclaration(newFragment);
	FieldDeclaration oldField= ASTNodeSearchUtil.getFieldDeclarationNode(field, declaringCuNode);
	if (info.copyJavadocToCopiesInSubclasses())
		copyJavadocNode(rewrite, oldField, newField);
	copyAnnotations(oldField, newField);
	newField.modifiers().addAll(ASTNodeFactory.newModifiers(ast, info.getNewModifiersForCopyInSubclass(oldField.getModifiers())));
	Type oldType= oldField.getType();
	ICompilationUnit cu= field.getCompilationUnit();
	Type newType= null;
	if (mapping.length > 0) {
		newType= createPlaceholderForType(oldType, cu, mapping, rewrite);
	} else
		newType= createPlaceholderForType(oldType, cu, rewrite);
	newField.setType(newType);
	return newField;
}
 

private FieldDeclaration getNewFinalStringFieldDeclaration(String name) {
	VariableDeclarationFragment variableDeclarationFragment= fAst.newVariableDeclarationFragment();
	variableDeclarationFragment.setName(fAst.newSimpleName(name));

	FieldDeclaration fieldDeclaration= fAst.newFieldDeclaration(variableDeclarationFragment);
	fieldDeclaration.setType(fAst.newSimpleType(fAst.newSimpleName("String"))); //$NON-NLS-1$
	fieldDeclaration.modifiers().add(fAst.newModifier(Modifier.ModifierKeyword.PUBLIC_KEYWORD));
	fieldDeclaration.modifiers().add(fAst.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD));

	return fieldDeclaration;
}
 

private VariableDeclarationFragment addFieldDeclaration(ASTRewrite rewrite, ASTNode newTypeDecl, int modifiers, Expression expression) {
	if (fExistingFragment != null) {
		return fExistingFragment;
	}

	ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
	List<BodyDeclaration> decls= ASTNodes.getBodyDeclarations(newTypeDecl);
	AST ast= newTypeDecl.getAST();
	String[] varNames= suggestFieldNames(fTypeBinding, expression, modifiers);
	for (int i= 0; i < varNames.length; i++) {
		addLinkedPositionProposal(KEY_NAME, varNames[i], null);
	}
	String varName= varNames[0];

	VariableDeclarationFragment newDeclFrag= ast.newVariableDeclarationFragment();
	newDeclFrag.setName(ast.newSimpleName(varName));

	FieldDeclaration newDecl= ast.newFieldDeclaration(newDeclFrag);

	Type type= evaluateType(ast);
	newDecl.setType(type);
	newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifiers));

	ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(getLinkedProposalModel(), rewrite, newDecl.modifiers(), false);

	int insertIndex= findFieldInsertIndex(decls, fNodeToAssign.getStartPosition());
	rewrite.getListRewrite(newTypeDecl, property).insertAt(newDecl, insertIndex, null);

	return newDeclFrag;
}
 

private VariableDeclarationFragment addFieldDeclaration(ASTRewrite rewrite, org.eclipse.jdt.core.dom.ASTNode newTypeDecl, int modifiers, String varName, String qualifiedName, String value) {

		ChildListPropertyDescriptor property = ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> decls = ASTNodes.getBodyDeclarations(newTypeDecl);
		AST ast = newTypeDecl.getAST();
		
		VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
		newDeclFrag.setName(ast.newSimpleName(varName));
		
		Type type = createType(Signature.createTypeSignature(qualifiedName, true), ast);
		
		if (value != null && value.trim().length() > 0) {
			Expression e = createExpression(value);
			Expression ne = (Expression) org.eclipse.jdt.core.dom.ASTNode.copySubtree(ast, e);
			newDeclFrag.setInitializer(ne);
			
		} else {
			if (Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {
				newDeclFrag.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0));
			}
		}

		FieldDeclaration newDecl = ast.newFieldDeclaration(newDeclFrag);
		newDecl.setType(type);
		newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifiers));

		int insertIndex = findFieldInsertIndex(decls, getCompletionOffset(), modifiers);
		rewrite.getListRewrite(newTypeDecl, property).insertAt(newDecl, insertIndex, null);
		
		return newDeclFrag;
	}
 

public void addFieldToBuilder(AST ast, TypeDeclaration builderType, BuilderField builderField) {
    FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(createFieldDeclarationFragment(ast, builderField));
    fieldDeclaration.modifiers().add(ast.newModifier(ModifierKeyword.PRIVATE_KEYWORD));
    fieldDeclaration.setType((Type) ASTNode.copySubtree(ast, builderField.getFieldType()));
    builderType.bodyDeclarations().add(findLastFieldIndex(builderType), fieldDeclaration);
}
 

private void createConstantDeclaration() throws CoreException {
	Type type = getConstantType();

	IExpressionFragment fragment = getSelectedExpression();
	Expression initializer = getSelectedExpression().createCopyTarget(fCuRewrite.getASTRewrite(), true);

	AST ast = fCuRewrite.getAST();
	VariableDeclarationFragment variableDeclarationFragment = ast.newVariableDeclarationFragment();
	variableDeclarationFragment.setName(ast.newSimpleName(fConstantName));
	variableDeclarationFragment.setInitializer(initializer);

	FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(variableDeclarationFragment);
	fieldDeclaration.setType(type);
	Modifier.ModifierKeyword accessModifier = Modifier.ModifierKeyword.toKeyword(fVisibility);
	if (accessModifier != null) {
		fieldDeclaration.modifiers().add(ast.newModifier(accessModifier));
	}
	fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD));
	fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.FINAL_KEYWORD));

	//		boolean createComments = JavaPreferencesSettings.getCodeGenerationSettings(fCu.getJavaProject()).createComments;
	//		if (createComments) {
	String comment = CodeGeneration.getFieldComment(fCu, getConstantTypeName(), fConstantName, StubUtility.getLineDelimiterUsed(fCu));
	if (comment != null && comment.length() > 0 && !"/**\n *\n */".equals(comment)) {
		Javadoc doc = (Javadoc) fCuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JAVADOC);
		fieldDeclaration.setJavadoc(doc);
	}
	//		}

	AbstractTypeDeclaration parent = getContainingTypeDeclarationNode();
	ListRewrite listRewrite = fCuRewrite.getASTRewrite().getListRewrite(parent, parent.getBodyDeclarationsProperty());
	TextEditGroup msg = fCuRewrite.createGroupDescription(RefactoringCoreMessages.ExtractConstantRefactoring_declare_constant);
	if (insertFirst()) {
		listRewrite.insertFirst(fieldDeclaration, msg);
	} else {
		listRewrite.insertAfter(fieldDeclaration, getNodeToInsertConstantDeclarationAfter(), msg);
	}

	if (fLinkedProposalModel != null) {
		ASTRewrite rewrite = fCuRewrite.getASTRewrite();
		LinkedProposalPositionGroupCore nameGroup = fLinkedProposalModel.getPositionGroup(KEY_NAME, true);
		nameGroup.addPosition(rewrite.track(variableDeclarationFragment.getName()), true);

		String[] nameSuggestions = guessConstantNames();
		if (nameSuggestions.length > 0 && !nameSuggestions[0].equals(fConstantName)) {
			nameGroup.addProposal(fConstantName, nameSuggestions.length + 1);
		}
		for (int i = 0; i < nameSuggestions.length; i++) {
			nameGroup.addProposal(nameSuggestions[i], nameSuggestions.length - i);
		}

		LinkedProposalPositionGroupCore typeGroup = fLinkedProposalModel.getPositionGroup(KEY_TYPE, true);
		typeGroup.addPosition(rewrite.track(type), true);

		ITypeBinding typeBinding = guessBindingForReference(fragment.getAssociatedExpression());
		if (typeBinding != null) {
			ITypeBinding[] relaxingTypes = ASTResolving.getNarrowingTypes(ast, typeBinding);
			for (int i = 0; i < relaxingTypes.length; i++) {
				typeGroup.addProposal(relaxingTypes[i], fCuRewrite.getCu(), relaxingTypes.length - i);
			}
		}
		boolean isInterface = parent.resolveBinding() != null && parent.resolveBinding().isInterface();
		ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(fLinkedProposalModel, rewrite, fieldDeclaration.modifiers(), isInterface);
	}
}
 

private ASTRewrite doAddField(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;
	boolean isInDifferentCU= false;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
		isInDifferentCU= true;
	}
	ImportRewrite imports= createImportRewrite(astRoot);
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(ASTResolving.findParentBodyDeclaration(node), imports);

	if (newTypeDecl != null) {
		AST ast= newTypeDecl.getAST();

		ASTRewrite rewrite= ASTRewrite.create(ast);

		VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
		fragment.setName(ast.newSimpleName(node.getIdentifier()));

		Type type= evaluateVariableType(ast, imports, importRewriteContext, fSenderBinding, TypeLocation.FIELD);

		FieldDeclaration newDecl= ast.newFieldDeclaration(fragment);
		newDecl.setType(type);
		newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, evaluateFieldModifiers(newTypeDecl)));

		if (fSenderBinding.isInterface() || fVariableKind == CONST_FIELD) {
			fragment.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0));
		}

		ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> decls= ASTNodes.<BodyDeclaration>getChildListProperty(newTypeDecl, property);

		int maxOffset= isInDifferentCU ? -1 : node.getStartPosition();

		int insertIndex= findFieldInsertIndex(decls, newDecl, maxOffset);

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, property);
		listRewriter.insertAt(newDecl, insertIndex, null);

		return rewrite;
	}
	return null;
}
 

private FieldDeclaration createParameterObjectField(ParameterObjectFactory pof, TypeDeclaration typeNode, int modifier) {
	AST ast= fBaseCURewrite.getAST();
	ClassInstanceCreation creation= ast.newClassInstanceCreation();
	creation.setType(pof.createType(fDescriptor.isCreateTopLevel(), fBaseCURewrite, typeNode.getStartPosition()));
	ListRewrite listRewrite= fBaseCURewrite.getASTRewrite().getListRewrite(creation, ClassInstanceCreation.ARGUMENTS_PROPERTY);
	for (Iterator<FieldInfo> iter= fVariables.values().iterator(); iter.hasNext();) {
		FieldInfo fi= iter.next();
		if (isCreateField(fi)) {
			Expression expression= fi.initializer;
			if (expression != null && !fi.hasFieldReference()) {
				importNodeTypes(expression, fBaseCURewrite);
				ASTNode createMoveTarget= fBaseCURewrite.getASTRewrite().createMoveTarget(expression);
				if (expression instanceof ArrayInitializer) {
					ArrayInitializer ai= (ArrayInitializer) expression;
					ITypeBinding type= ai.resolveTypeBinding();
					Type addImport= fBaseCURewrite.getImportRewrite().addImport(type, ast);
					fBaseCURewrite.getImportRemover().registerAddedImports(addImport);
					ArrayCreation arrayCreation= ast.newArrayCreation();
					arrayCreation.setType((ArrayType) addImport);
					arrayCreation.setInitializer((ArrayInitializer) createMoveTarget);
					listRewrite.insertLast(arrayCreation, null);
				} else {
					listRewrite.insertLast(createMoveTarget, null);
				}
			}
		}
	}

	VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
	fragment.setName(ast.newSimpleName(fDescriptor.getFieldName()));
	fragment.setInitializer(creation);

	ModifierKeyword acc= null;
	if (Modifier.isPublic(modifier)) {
		acc= ModifierKeyword.PUBLIC_KEYWORD;
	} else if (Modifier.isProtected(modifier)) {
		acc= ModifierKeyword.PROTECTED_KEYWORD;
	} else if (Modifier.isPrivate(modifier)) {
		acc= ModifierKeyword.PRIVATE_KEYWORD;
	}

	FieldDeclaration fieldDeclaration= ast.newFieldDeclaration(fragment);
	fieldDeclaration.setType(pof.createType(fDescriptor.isCreateTopLevel(), fBaseCURewrite, typeNode.getStartPosition()));
	if (acc != null)
		fieldDeclaration.modifiers().add(ast.newModifier(acc));
	return fieldDeclaration;
}
 

private void createConstantDeclaration() throws CoreException {
	Type type= getConstantType();

	IExpressionFragment fragment= getSelectedExpression();
	Expression initializer= getSelectedExpression().createCopyTarget(fCuRewrite.getASTRewrite(), true);

	AST ast= fCuRewrite.getAST();
	VariableDeclarationFragment variableDeclarationFragment= ast.newVariableDeclarationFragment();
	variableDeclarationFragment.setName(ast.newSimpleName(fConstantName));
	variableDeclarationFragment.setInitializer(initializer);

	FieldDeclaration fieldDeclaration= ast.newFieldDeclaration(variableDeclarationFragment);
	fieldDeclaration.setType(type);
	Modifier.ModifierKeyword accessModifier= Modifier.ModifierKeyword.toKeyword(fVisibility);
	if (accessModifier != null)
		fieldDeclaration.modifiers().add(ast.newModifier(accessModifier));
	fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD));
	fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.FINAL_KEYWORD));

	boolean createComments= JavaPreferencesSettings.getCodeGenerationSettings(fCu.getJavaProject()).createComments;
	if (createComments) {
		String comment= CodeGeneration.getFieldComment(fCu, getConstantTypeName(), fConstantName, StubUtility.getLineDelimiterUsed(fCu));
		if (comment != null && comment.length() > 0) {
			Javadoc doc= (Javadoc) fCuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JAVADOC);
			fieldDeclaration.setJavadoc(doc);
		}
	}

	AbstractTypeDeclaration parent= getContainingTypeDeclarationNode();
	ListRewrite listRewrite= fCuRewrite.getASTRewrite().getListRewrite(parent, parent.getBodyDeclarationsProperty());
	TextEditGroup msg= fCuRewrite.createGroupDescription(RefactoringCoreMessages.ExtractConstantRefactoring_declare_constant);
	if (insertFirst()) {
		listRewrite.insertFirst(fieldDeclaration, msg);
	} else {
		listRewrite.insertAfter(fieldDeclaration, getNodeToInsertConstantDeclarationAfter(), msg);
	}

	if (fLinkedProposalModel != null) {
		ASTRewrite rewrite= fCuRewrite.getASTRewrite();
		LinkedProposalPositionGroup nameGroup= fLinkedProposalModel.getPositionGroup(KEY_NAME, true);
		nameGroup.addPosition(rewrite.track(variableDeclarationFragment.getName()), true);

		String[] nameSuggestions= guessConstantNames();
		if (nameSuggestions.length > 0 && !nameSuggestions[0].equals(fConstantName)) {
			nameGroup.addProposal(fConstantName, null, nameSuggestions.length + 1);
		}
		for (int i= 0; i < nameSuggestions.length; i++) {
			nameGroup.addProposal(nameSuggestions[i], null, nameSuggestions.length - i);
		}

		LinkedProposalPositionGroup typeGroup= fLinkedProposalModel.getPositionGroup(KEY_TYPE, true);
		typeGroup.addPosition(rewrite.track(type), true);

		ITypeBinding typeBinding= guessBindingForReference(fragment.getAssociatedExpression());
		if (typeBinding != null) {
			ITypeBinding[] relaxingTypes= ASTResolving.getNarrowingTypes(ast, typeBinding);
			for (int i= 0; i < relaxingTypes.length; i++) {
				typeGroup.addProposal(relaxingTypes[i], fCuRewrite.getCu(), relaxingTypes.length - i);
			}
		}
		boolean isInterface= parent.resolveBinding() != null && parent.resolveBinding().isInterface();
		ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(fLinkedProposalModel, rewrite, fieldDeclaration.modifiers(), isInterface);
	}
}
 

/**
 * {@inheritDoc}
 */
@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel positionGroups) throws CoreException {
	final ASTRewrite rewrite= cuRewrite.getASTRewrite();
	VariableDeclarationFragment fragment= null;
	for (int i= 0; i < fNodes.length; i++) {
		final ASTNode node= fNodes[i];

		final AST ast= node.getAST();

		fragment= ast.newVariableDeclarationFragment();
		fragment.setName(ast.newSimpleName(NAME_FIELD));

		final FieldDeclaration declaration= ast.newFieldDeclaration(fragment);
		declaration.setType(ast.newPrimitiveType(PrimitiveType.LONG));
		declaration.modifiers().addAll(ASTNodeFactory.newModifiers(ast, Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL));

		if (!addInitializer(fragment, node))
			continue;

		if (fragment.getInitializer() != null) {

			final TextEditGroup editGroup= createTextEditGroup(FixMessages.SerialVersion_group_description, cuRewrite);
			if (node instanceof AbstractTypeDeclaration)
				rewrite.getListRewrite(node, ((AbstractTypeDeclaration) node).getBodyDeclarationsProperty()).insertAt(declaration, 0, editGroup);
			else if (node instanceof AnonymousClassDeclaration)
				rewrite.getListRewrite(node, AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY).insertAt(declaration, 0, editGroup);
			else if (node instanceof ParameterizedType) {
				final ParameterizedType type= (ParameterizedType) node;
				final ASTNode parent= type.getParent();
				if (parent instanceof ClassInstanceCreation) {
					final ClassInstanceCreation creation= (ClassInstanceCreation) parent;
					final AnonymousClassDeclaration anonymous= creation.getAnonymousClassDeclaration();
					if (anonymous != null)
						rewrite.getListRewrite(anonymous, AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY).insertAt(declaration, 0, editGroup);
				}
			} else
				Assert.isTrue(false);

			addLinkedPositions(rewrite, fragment, positionGroups);
		}

		final String comment= CodeGeneration.getFieldComment(fUnit, declaration.getType().toString(), NAME_FIELD, StubUtility.getLineDelimiterUsed(fUnit));
		if (comment != null && comment.length() > 0) {
			final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
			declaration.setJavadoc(doc);
		}
	}
	if (fragment == null)
		return;

	positionGroups.setEndPosition(rewrite.track(fragment));
}
 

private ASTRewrite doAddField(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;
	boolean isInDifferentCU= false;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
		isInDifferentCU= true;
	}
	ImportRewrite imports= createImportRewrite(astRoot);
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(ASTResolving.findParentBodyDeclaration(node), imports);

	if (newTypeDecl != null) {
		AST ast= newTypeDecl.getAST();

		ASTRewrite rewrite= ASTRewrite.create(ast);

		VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
		fragment.setName(ast.newSimpleName(node.getIdentifier()));

		Type type= evaluateVariableType(ast, imports, importRewriteContext, fSenderBinding);

		FieldDeclaration newDecl= ast.newFieldDeclaration(fragment);
		newDecl.setType(type);
		newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, evaluateFieldModifiers(newTypeDecl)));

		if (fSenderBinding.isInterface() || fVariableKind == CONST_FIELD) {
			fragment.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0));
		}

		ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> decls= ASTNodes.<BodyDeclaration>getChildListProperty(newTypeDecl, property);

		int maxOffset= isInDifferentCU ? -1 : node.getStartPosition();

		int insertIndex= findFieldInsertIndex(decls, newDecl, maxOffset);

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, property);
		listRewriter.insertAt(newDecl, insertIndex, null);

		ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(getLinkedProposalModel(), rewrite, newDecl.modifiers(), fSenderBinding.isInterface());

		addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
		if (!isInDifferentCU) {
			addLinkedPosition(rewrite.track(node), true, KEY_NAME);
		}
		addLinkedPosition(rewrite.track(fragment.getName()), false, KEY_NAME);

		if (fragment.getInitializer() != null) {
			addLinkedPosition(rewrite.track(fragment.getInitializer()), false, KEY_INITIALIZER);
		}
		return rewrite;
	}
	return null;
}
 

/**
 * This method builds a {@link FieldDeclaration} object (i.e. "public iv = ")
 * 
 * @param ast - current ast
 * @param fragment
 * @param type - i.e. PrimitiveType.BOOLEAN
 * @param modifier - i.e. Modifier.PRIVATE
 * @return
 */
private FieldDeclaration createEnsurerFieldDeclaration(final AST ast, final VariableDeclarationFragment varDeclarationFrag, final int modifier) {
	final FieldDeclaration declaration = ast.newFieldDeclaration(varDeclarationFrag);
	declaration.setType(createAstType(INJAR_CLASS_NAME, ast));
	declaration.modifiers().addAll(ASTNodeFactory.newModifiers(ast, modifier));
	return declaration;
}