org.eclipse.jdt.core.dom.rewrite.ASTRewrite Java Examples

private ParameterizedType createPrivilegedActionType(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
    AST ast = rewrite.getAST();

    Name privilegedActionName;
    if (isUpdateImports()) {
        privilegedActionName = ast.newSimpleName(PrivilegedAction.class.getSimpleName());
    } else {
        privilegedActionName = ast.newName(PrivilegedAction.class.getName());
    }
    SimpleType rawPrivilegedActionType = ast.newSimpleType(privilegedActionName);
    ParameterizedType privilegedActionType = ast.newParameterizedType(rawPrivilegedActionType);
    Type typeArgument = (Type) rewrite.createCopyTarget(classLoaderCreation.getType());
    List<Type> typeArguments = checkedList(privilegedActionType.typeArguments());

    typeArguments.add(typeArgument);

    return privilegedActionType;
}
 

/**
 * Creates the method content of the moved method.
 *
 * @param document
 *            the document representing the source compilation unit
 * @param declaration
 *            the source method declaration
 * @param rewrite
 *            the ast rewrite to use
 * @return the string representing the moved method body
 * @throws BadLocationException
 *             if an offset into the document is invalid
 */
protected String createMethodContent(final IDocument document, final MethodDeclaration declaration, final ASTRewrite rewrite) throws BadLocationException {
	Assert.isNotNull(document);
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final IRegion range= new Region(declaration.getStartPosition(), declaration.getLength());
	final RangeMarker marker= new RangeMarker(range.getOffset(), range.getLength());
	final IJavaProject project= fMethod.getJavaProject();
	final TextEdit[] edits= rewrite.rewriteAST(document, project.getOptions(true)).removeChildren();
	for (int index= 0; index < edits.length; index++)
		marker.addChild(edits[index]);
	final MultiTextEdit result= new MultiTextEdit();
	result.addChild(marker);
	final TextEditProcessor processor= new TextEditProcessor(document, new MultiTextEdit(0, document.getLength()), TextEdit.UPDATE_REGIONS);
	processor.getRoot().addChild(result);
	processor.performEdits();
	final IRegion region= document.getLineInformation(document.getLineOfOffset(marker.getOffset()));
	return Strings.changeIndent(document.get(marker.getOffset(), marker.getLength()), Strings.computeIndentUnits(document.get(region.getOffset(), region.getLength()), project), project, "", TextUtilities.getDefaultLineDelimiter(document)); //$NON-NLS-1$
}
 

private Type getNewType(ASTRewrite rewrite) {
	AST ast= rewrite.getAST();
	Type newTypeNode= null;
	ITypeBinding binding= null;
	if (fInvocationNode.getLocationInParent() == MemberValuePair.NAME_PROPERTY) {
		Expression value= ((MemberValuePair) fInvocationNode.getParent()).getValue();
		binding= value.resolveTypeBinding();
	} else if (fInvocationNode instanceof Expression) {
		binding= ((Expression) fInvocationNode).resolveTypeBinding();
	}
	if (binding != null) {
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(fInvocationNode, getImportRewrite());
		newTypeNode= getImportRewrite().addImport(binding, ast, importRewriteContext);
	}
	if (newTypeNode == null) {
		newTypeNode= ast.newSimpleType(ast.newSimpleName("String")); //$NON-NLS-1$
	}
	return newTypeNode;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel positionGroups) throws CoreException {
	TextEditGroup group= createTextEditGroup(FixMessages.Java50Fix_ConvertToEnhancedForLoop_description, cuRewrite);
	ASTRewrite rewrite= cuRewrite.getASTRewrite();

	TightSourceRangeComputer rangeComputer;
	if (rewrite.getExtendedSourceRangeComputer() instanceof TightSourceRangeComputer) {
		rangeComputer= (TightSourceRangeComputer)rewrite.getExtendedSourceRangeComputer();
	} else {
		rangeComputer= new TightSourceRangeComputer();
	}
	rangeComputer.addTightSourceNode(getForStatement());
	rewrite.setTargetSourceRangeComputer(rangeComputer);

	Statement statement= convert(cuRewrite, group, positionGroups);
	rewrite.replace(getForStatement(), statement, group);
}
 

@Override
protected ASTRewrite getRewrite() {
  MethodDeclaration dstMethod = findBestUpdateMatch(rpcPair);

  CompilationUnit astRoot = ASTResolving.createQuickFixAST(
      getCompilationUnit(), null);
  createImportRewrite(astRoot);

  ASTRewrite rewrite = ASTRewrite.create(astRoot.getAST());

  MethodDeclaration rewriterDstMethod = JavaASTUtils.findMethodDeclaration(
      astRoot, dstMethod.resolveBinding().getKey());
  if (rewriterDstMethod == null) {
    return null;
  }

  MethodDeclaration newSignature = computeMethodSignature(rewrite.getAST(),
      rpcPair, rewriterDstMethod);

  rewrite.replace(rewriterDstMethod, newSignature, null);

  return rewrite;
}
 

public static void addCasesOmittedProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
	ASTNode selectedNode= problem.getCoveringNode(context.getASTRoot());
	if (selectedNode instanceof Expression && selectedNode.getLocationInParent() == SwitchStatement.EXPRESSION_PROPERTY) {
		AST ast= selectedNode.getAST();
		SwitchStatement parent= (SwitchStatement) selectedNode.getParent();
		
		for (Statement statement : (List<Statement>) parent.statements()) {
			if (statement instanceof SwitchCase && ((SwitchCase) statement).isDefault()) {
				
				// insert //$CASES-OMITTED$:
				ASTRewrite rewrite= ASTRewrite.create(ast);
				rewrite.setTargetSourceRangeComputer(new NoCommentSourceRangeComputer());
				ListRewrite listRewrite= rewrite.getListRewrite(parent, SwitchStatement.STATEMENTS_PROPERTY);
				ASTNode casesOmittedComment= rewrite.createStringPlaceholder("//$CASES-OMITTED$", ASTNode.EMPTY_STATEMENT); //$NON-NLS-1$
				listRewrite.insertBefore(casesOmittedComment, statement, null);
				
				String label= CorrectionMessages.LocalCorrectionsSubProcessor_insert_cases_omitted;
				Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
				ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.INSERT_CASES_OMITTED, image);
				proposals.add(proposal);
				break;
			}
		}
	}
}
 

private ASTRewrite doAddEnumConst(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}

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

		ASTRewrite rewrite= ASTRewrite.create(ast);

		EnumConstantDeclaration constDecl= ast.newEnumConstantDeclaration();
		constDecl.setName(ast.newSimpleName(node.getIdentifier()));

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, EnumDeclaration.ENUM_CONSTANTS_PROPERTY);
		listRewriter.insertLast(constDecl, null);

		return rewrite;
	}
	return null;
}
 

@Override
protected void addNewParameters(ASTRewrite rewrite, List<String> takenNames, List<SingleVariableDeclaration> params, ImportRewriteContext context) throws CoreException {
	AST ast= rewrite.getAST();

	List<Expression> arguments= fArguments;

	for (int i= 0; i < arguments.size(); i++) {
		Expression elem= arguments.get(i);
		SingleVariableDeclaration param= ast.newSingleVariableDeclaration();

		// argument type
		String argTypeKey= "arg_type_" + i; //$NON-NLS-1$
		Type type= evaluateParameterType(ast, elem, argTypeKey, context);
		param.setType(type);

		// argument name
		String argNameKey= "arg_name_" + i; //$NON-NLS-1$
		String name= evaluateParameterName(takenNames, elem, type, argNameKey);
		param.setName(ast.newSimpleName(name));

		params.add(param);
	}
}
 

private void insertAllMissingTypeTags(ASTRewrite rewriter, TypeDeclaration typeDecl) {
	AST ast= typeDecl.getAST();
	Javadoc javadoc= typeDecl.getJavadoc();
	ListRewrite tagsRewriter= rewriter.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);

	List<TypeParameter> typeParams= typeDecl.typeParameters();
	for (int i= typeParams.size() - 1; i >= 0; i--) {
		TypeParameter decl= typeParams.get(i);
		String name= '<' + decl.getName().getIdentifier() + '>';
		if (findTag(javadoc, TagElement.TAG_PARAM, name) == null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_PARAM);
			TextElement text= ast.newTextElement();
			text.setText(name);
			newTag.fragments().add(text);
			insertTabStop(rewriter, newTag.fragments(), "typeParam" + i); //$NON-NLS-1$
			insertTag(tagsRewriter, newTag, getPreviousTypeParamNames(typeParams, decl));
		}
	}
}
 

private void addEnclosingInstanceTypeParameters(final ITypeBinding[] parameters, final AbstractTypeDeclaration declaration, final ASTRewrite rewrite) {
	Assert.isNotNull(parameters);
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	if (declaration instanceof TypeDeclaration) {
		final TypeDeclaration type= (TypeDeclaration) declaration;
		final List<TypeParameter> existing= type.typeParameters();
		final Set<String> names= new HashSet<String>();
		TypeParameter parameter= null;
		for (final Iterator<TypeParameter> iterator= existing.iterator(); iterator.hasNext();) {
			parameter= iterator.next();
			names.add(parameter.getName().getIdentifier());
		}
		final ListRewrite rewriter= rewrite.getListRewrite(type, TypeDeclaration.TYPE_PARAMETERS_PROPERTY);
		String name= null;
		for (int index= 0; index < parameters.length; index++) {
			name= parameters[index].getName();
			if (!names.contains(name)) {
				parameter= type.getAST().newTypeParameter();
				parameter.setName(type.getAST().newSimpleName(name));
				rewriter.insertLast(parameter, null);
			}
		}
	}
}
 

/**
 * Adds a new field to the {@link AST} using the given type and variable name. The method
 * returns a {@link TextEdit} which can then be applied using the {@link #applyTextEdit(TextEdit)} method.
 * 
 * @param type
 * @param varName
 * @return a {@link TextEdit} which represents the changes which would be made, or <code>null</code> if the field
 * can not be created.
 */
public TextEdit addField(String type, String varName, boolean publicField, boolean staticField, boolean finalField, String value) {
	
	if (isReadOnly())
		return null;

	if (!domInitialized)
		initDomAST();
	
	boolean isStatic = isBodyStatic();
	int modifiers = (!publicField) ? Modifier.PRIVATE : Modifier.PUBLIC;
	if (isStatic || staticField) {
		modifiers |= Modifier.STATIC;
	}
	if (finalField) {
		modifiers |= Modifier.FINAL;
	}
	
	ASTRewrite rewrite= ASTRewrite.create(parentDeclaration.getAST());
	
	VariableDeclarationFragment newDeclFrag = addFieldDeclaration(rewrite, parentDeclaration, modifiers, varName, type, value);

	TextEdit te = rewrite.rewriteAST(getDocument(), null);
	return te;
}
 

@Override
protected ASTRewrite getRewrite() throws CoreException {
	AST ast= fTypeNode.getAST();

	ASTRewrite rewrite= ASTRewrite.create(ast);

	createImportRewrite((CompilationUnit) fTypeNode.getRoot());

	CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(getCompilationUnit().getJavaProject());
	if (!settings.createComments) {
		settings= null;
	}
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(fTypeNode, getImportRewrite());

	MethodDeclaration newMethodDecl= createNewMethodDeclaration(ast, fSuperConstructor, rewrite, importRewriteContext, settings);
	rewrite.getListRewrite(fTypeNode, TypeDeclaration.BODY_DECLARATIONS_PROPERTY).insertFirst(newMethodDecl, null);

	addLinkedRanges(rewrite, newMethodDecl);

	return rewrite;
}
 

protected Expression createEqualsExpression(ASTRewrite rewrite, InfixExpression stringEqualityCheck) {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(stringEqualityCheck);

    final AST ast = rewrite.getAST();
    MethodInvocation equalsInvocation = ast.newMethodInvocation();
    Expression leftOperand = createLeftOperand(rewrite, stringEqualityCheck.getLeftOperand());
    Expression rightOperand = createRightOperand(rewrite, stringEqualityCheck.getRightOperand());

    equalsInvocation.setName(ast.newSimpleName(EQUALS_METHOD_NAME));
    equalsInvocation.setExpression(leftOperand);

    ListRewrite argumentsRewrite = rewrite.getListRewrite(equalsInvocation, MethodInvocation.ARGUMENTS_PROPERTY);
    argumentsRewrite.insertLast(rightOperand, null);

    return equalsInvocation;
}
 

@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel linkedModel) throws CoreException {
	ASTRewrite rewrite= cuRewrite.getASTRewrite();
	IBinding binding= fUnusedName.resolveBinding();
	CompilationUnit root= (CompilationUnit) fUnusedName.getRoot();
	String displayString= FixMessages.UnusedCodeFix_RemoveUnusedTypeParameter_description;
	TextEditGroup group= createTextEditGroup(displayString, cuRewrite);

	if (binding.getKind() == IBinding.TYPE) {
		ITypeBinding decl= ((ITypeBinding) binding).getTypeDeclaration();
		ASTNode declaration= root.findDeclaringNode(decl);
		if (declaration.getParent() instanceof TypeDeclarationStatement) {
			declaration= declaration.getParent();
		}
		rewrite.remove(declaration, group);
	}
}
 

private void addParameterToMovedMethod(MethodDeclaration newMethodDeclaration, SimpleName fieldName, ASTRewrite targetRewriter) {
	AST ast = newMethodDeclaration.getAST();
	SingleVariableDeclaration parameter = ast.newSingleVariableDeclaration();
	Type fieldType = null;
	FieldDeclaration[] fields = sourceTypeDeclaration.getFields();
	for(FieldDeclaration field : fields) {
		List<VariableDeclarationFragment> fragments = field.fragments();
		for(VariableDeclarationFragment fragment : fragments) {
			if(fragment.getName().getIdentifier().equals(fieldName.getIdentifier())) {
				fieldType = field.getType();
				break;
			}
		}
	}
	targetRewriter.set(parameter, SingleVariableDeclaration.TYPE_PROPERTY, fieldType, null);
	targetRewriter.set(parameter, SingleVariableDeclaration.NAME_PROPERTY, ast.newSimpleName(fieldName.getIdentifier()), null);
	ListRewrite parametersRewrite = targetRewriter.getListRewrite(newMethodDeclaration, MethodDeclaration.PARAMETERS_PROPERTY);
	parametersRewrite.insertLast(parameter, null);
	this.additionalArgumentsAddedToMovedMethod.add(fieldName.getIdentifier());
	this.additionalTypeBindingsToBeImportedInTargetClass.add(fieldType.resolveBinding());
	addParamTagElementToJavadoc(newMethodDeclaration, targetRewriter, fieldName.getIdentifier());
}
 

private void copyImportsToDestination(IImportContainer container, ASTRewrite rewrite, CompilationUnit sourceCuNode, CompilationUnit destinationCuNode) throws JavaModelException {
	ListRewrite listRewrite= rewrite.getListRewrite(destinationCuNode, CompilationUnit.IMPORTS_PROPERTY);

	IJavaElement[] importDeclarations= container.getChildren();
	for (int i= 0; i < importDeclarations.length; i++) {
		IImportDeclaration declaration= (IImportDeclaration) importDeclarations[i];

		ImportDeclaration sourceNode= ASTNodeSearchUtil.getImportDeclarationNode(declaration, sourceCuNode);
		ImportDeclaration copiedNode= (ImportDeclaration) ASTNode.copySubtree(rewrite.getAST(), sourceNode);

		if (getLocation() == IReorgDestination.LOCATION_BEFORE) {
			listRewrite.insertFirst(copiedNode, null);
		} else {
			listRewrite.insertLast(copiedNode, null);
		}
	}
}
 

private void insertAllMissingTypeTags(ASTRewrite rewriter, TypeDeclaration typeDecl) {
	AST ast= typeDecl.getAST();
	Javadoc javadoc= typeDecl.getJavadoc();
	ListRewrite tagsRewriter= rewriter.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);

	List<TypeParameter> typeParams= typeDecl.typeParameters();
	for (int i= typeParams.size() - 1; i >= 0; i--) {
		TypeParameter decl= typeParams.get(i);
		String name= '<' + decl.getName().getIdentifier() + '>';
		if (findTag(javadoc, TagElement.TAG_PARAM, name) == null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_PARAM);
			TextElement text= ast.newTextElement();
			text.setText(name);
			newTag.fragments().add(text);
			insertTabStop(rewriter, newTag.fragments(), "typeParam" + i); //$NON-NLS-1$
			insertTag(tagsRewriter, newTag, getPreviousTypeParamNames(typeParams, decl));
		}
	}
}
 

private Javadoc createJavadocForStub(final String enclosingTypeName, final MethodDeclaration oldMethod, final MethodDeclaration newMethodNode, final ICompilationUnit cu, final ASTRewrite rewrite) throws CoreException {
	if (fSettings.createComments) {
		final IMethodBinding binding= oldMethod.resolveBinding();
		if (binding != null) {
			final ITypeBinding[] params= binding.getParameterTypes();
			final String fullTypeName= getDestinationType().getFullyQualifiedName('.');
			final String[] fullParamNames= new String[params.length];
			for (int i= 0; i < fullParamNames.length; i++) {
				fullParamNames[i]= Bindings.getFullyQualifiedName(params[i]);
			}
			final String comment= CodeGeneration.getMethodComment(cu, enclosingTypeName, newMethodNode, false, binding.getName(), fullTypeName, fullParamNames, StubUtility.getLineDelimiterUsed(cu));
			if (comment != null)
				return (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC);
		}
	}
	return null;
}
 

@Override
protected ASTRewrite getRewrite() throws CoreException {
	AST ast= fTypeNode.getAST();

	ASTRewrite rewrite= ASTRewrite.create(ast);

	createImportRewrite((CompilationUnit) fTypeNode.getRoot());

	CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(getCompilationUnit().getJavaProject());
	if (!settings.createComments) {
		settings= null;
	}
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(fTypeNode, getImportRewrite());

	MethodDeclaration newMethodDecl= createNewMethodDeclaration(ast, fSuperConstructor, rewrite, importRewriteContext, settings);
	rewrite.getListRewrite(fTypeNode, TypeDeclaration.BODY_DECLARATIONS_PROPERTY).insertFirst(newMethodDecl, null);

	addLinkedRanges(rewrite, newMethodDecl);

	return rewrite;
}
 

private static boolean getAddFinallyProposals(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
	TryStatement tryStatement= ASTResolving.findParentTryStatement(node);
	if (tryStatement == null || tryStatement.getFinally() != null) {
		return false;
	}
	Statement statement= ASTResolving.findParentStatement(node);
	if (tryStatement != statement && tryStatement.getBody() != statement) {
		return false; // an node inside a catch or finally block
	}

	if (resultingCollections == null) {
		return true;
	}

	AST ast= tryStatement.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);
	Block finallyBody= ast.newBlock();

	rewrite.set(tryStatement, TryStatement.FINALLY_PROPERTY, finallyBody, null);

	String label= CorrectionMessages.QuickAssistProcessor_addfinallyblock_description;
	Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_ADD);
	ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.ADD_FINALLY_BLOCK, image);
	resultingCollections.add(proposal);
	return true;
}
 

public static void addCasesOmittedProposals(IInvocationContext context, IProblemLocationCore problem, Collection<ChangeCorrectionProposal> proposals) {
	ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
	if (selectedNode instanceof Expression && selectedNode.getLocationInParent() == SwitchStatement.EXPRESSION_PROPERTY) {
		AST ast = selectedNode.getAST();
		SwitchStatement parent = (SwitchStatement) selectedNode.getParent();

		for (Statement statement : (List<Statement>) parent.statements()) {
			if (statement instanceof SwitchCase && ((SwitchCase) statement).isDefault()) {

				// insert //$CASES-OMITTED$:
				ASTRewrite rewrite = ASTRewrite.create(ast);
				rewrite.setTargetSourceRangeComputer(new NoCommentSourceRangeComputer());
				ListRewrite listRewrite = rewrite.getListRewrite(parent, SwitchStatement.STATEMENTS_PROPERTY);
				ASTNode casesOmittedComment = rewrite.createStringPlaceholder("//$CASES-OMITTED$", ASTNode.EMPTY_STATEMENT); //$NON-NLS-1$
				listRewrite.insertBefore(casesOmittedComment, statement, null);

				String label = CorrectionMessages.LocalCorrectionsSubProcessor_insert_cases_omitted;
				ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, CodeActionKind.QuickFix, context.getCompilationUnit(), rewrite, IProposalRelevance.INSERT_CASES_OMITTED);
				proposals.add(proposal);
				break;
			}
		}
	}
}
 

protected TryStatement copyTryStatement(ASTRewrite sourceRewriter, AST ast, TryStatement tryStatementParent) {
	TryStatement newTryStatement = ast.newTryStatement();
	ListRewrite resourceRewrite = sourceRewriter.getListRewrite(newTryStatement, TryStatement.RESOURCES_PROPERTY);
	List<VariableDeclarationExpression> resources = tryStatementParent.resources();
	for(VariableDeclarationExpression expression : resources) {
		resourceRewrite.insertLast(expression, null);
	}
	ListRewrite catchClauseRewrite = sourceRewriter.getListRewrite(newTryStatement, TryStatement.CATCH_CLAUSES_PROPERTY);
	List<CatchClause> catchClauses = tryStatementParent.catchClauses();
	for(CatchClause catchClause : catchClauses) {
		catchClauseRewrite.insertLast(catchClause, null);
	}
	if(tryStatementParent.getFinally() != null) {
		sourceRewriter.set(newTryStatement, TryStatement.FINALLY_PROPERTY, tryStatementParent.getFinally(), null);
	}
	return newTryStatement;
}
 

@Override
protected ASTRewrite getRewrite() throws CoreException {
	ASTNode boundNode= fAstRoot.findDeclaringNode(fBinding);
	ASTNode declNode= null;
	CompilationUnit newRoot= fAstRoot;
	if (boundNode != null) {
		declNode= boundNode; // is same CU
	} else {
		newRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode= newRoot.findDeclaringNode(fBinding.getKey());
	}
	ImportRewrite imports= createImportRewrite(newRoot);

	if (declNode instanceof TypeDeclaration) {
		AST ast= declNode.getAST();
		ASTRewrite rewrite= ASTRewrite.create(ast);

		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(declNode, imports);
		Type newInterface= imports.addImport(fNewInterface, ast, importRewriteContext, TypeLocation.OTHER);
		ListRewrite listRewrite= rewrite.getListRewrite(declNode, TypeDeclaration.SUPER_INTERFACE_TYPES_PROPERTY);
		listRewrite.insertLast(newInterface, null);

		return rewrite;
	}
	return null;
}
 

private ASTNode getFieldReference(SimpleName oldNameNode, ASTRewrite rewrite) {
	String name= oldNameNode.getIdentifier();
	AST ast= rewrite.getAST();
	if (isParameterName(name) || StubUtility.useThisForFieldAccess(fTargetRewrite.getCu().getJavaProject())) {
		FieldAccess fieldAccess= ast.newFieldAccess();
		fieldAccess.setExpression(ast.newThisExpression());
		fieldAccess.setName((SimpleName) rewrite.createMoveTarget(oldNameNode));
		return fieldAccess;
	}
	return rewrite.createMoveTarget(oldNameNode);
}
 

public void addJsonDeserializeAnnotation(CompilationUnitModificationDomain compilationUnitModificationDomain, TypeDeclaration builderType) {
    AST ast = compilationUnitModificationDomain.getAst();
    ASTRewrite rewriter = compilationUnitModificationDomain.getAstRewriter();
    ListRewrite modifierRewrite = rewriter.getListRewrite(compilationUnitModificationDomain.getOriginalType(), TypeDeclaration.MODIFIERS2_PROPERTY);

    NormalAnnotation annotation = createAnnotation(ast, compilationUnitModificationDomain, builderType);

    modifierRewrite.insertFirst(annotation, null);

    importRepository.addImport(StaticPreferences.JSON_DESERIALIZE_FULLY_QUALIFIED_NAME);
}
 

private Type getNewCastTypeNode(ASTRewrite rewrite, ImportRewrite importRewrite) {
	AST ast= rewrite.getAST();

	ImportRewriteContext context= new ContextSensitiveImportRewriteContext((CompilationUnit) fNodeToCast.getRoot(), fNodeToCast.getStartPosition(), importRewrite);

	if (fCastType != null) {
		return importRewrite.addImport(fCastType, ast,context, TypeLocation.CAST);
	}

	ASTNode node= fNodeToCast;
	ASTNode parent= node.getParent();
	if (parent instanceof CastExpression) {
		node= parent;
		parent= parent.getParent();
	}
	while (parent instanceof ParenthesizedExpression) {
		node= parent;
		parent= parent.getParent();
	}
	if (parent instanceof MethodInvocation) {
		MethodInvocation invocation= (MethodInvocation) node.getParent();
		if (invocation.getExpression() == node) {
			IBinding targetContext= ASTResolving.getParentMethodOrTypeBinding(node);
			ITypeBinding[] bindings= ASTResolving.getQualifierGuess(node.getRoot(), invocation.getName().getIdentifier(), invocation.arguments(), targetContext);
			if (bindings.length > 0) {
				ITypeBinding first= getCastFavorite(bindings, fNodeToCast.resolveTypeBinding());

				Type newTypeNode= importRewrite.addImport(first, ast, context, TypeLocation.CAST);
				return newTypeNode;
			}
		}
	}
	Type newCastType= ast.newSimpleType(ast.newSimpleName("Object")); //$NON-NLS-1$
	return newCastType;
}
 

/**
 * Creates an {@link Assignment} as first expression appearing in an index based
 * <code>for</code> loop's body. This Assignment declares a local variable and initializes it
 * using the {@link List}'s current element identified by the loop index.
 * 
 * @param rewrite the current {@link ASTRewrite} instance
 * @param loopVariableName the name of the index variable in String representation
 * @return a completed {@link Assignment} containing the mentioned declaration and
 *         initialization
 */
private Expression getIndexBasedForBodyAssignment(ASTRewrite rewrite, SimpleName loopVariableName) {
	AST ast= rewrite.getAST();
	ITypeBinding loopOverType= extractElementType(ast);

	Assignment assignResolvedVariable= ast.newAssignment();

	// left hand side
	SimpleName resolvedVariableName= resolveLinkedVariableNameWithProposals(rewrite, loopOverType.getName(), loopVariableName.getIdentifier(), false);
	VariableDeclarationFragment resolvedVariableDeclarationFragment= ast.newVariableDeclarationFragment();
	resolvedVariableDeclarationFragment.setName(resolvedVariableName);
	VariableDeclarationExpression resolvedVariableDeclaration= ast.newVariableDeclarationExpression(resolvedVariableDeclarationFragment);
	resolvedVariableDeclaration.setType(getImportRewrite().addImport(loopOverType, ast, new ContextSensitiveImportRewriteContext(fCurrentNode, getImportRewrite())));
	assignResolvedVariable.setLeftHandSide(resolvedVariableDeclaration);

	// right hand side
	MethodInvocation invokeGetExpression= ast.newMethodInvocation();
	invokeGetExpression.setName(ast.newSimpleName("get")); //$NON-NLS-1$
	SimpleName indexVariableName= ast.newSimpleName(loopVariableName.getIdentifier());
	addLinkedPosition(rewrite.track(indexVariableName), LinkedPositionGroup.NO_STOP, indexVariableName.getIdentifier());
	invokeGetExpression.arguments().add(indexVariableName);
	invokeGetExpression.setExpression((Expression) rewrite.createCopyTarget(fCurrentExpression));
	assignResolvedVariable.setRightHandSide(invokeGetExpression);

	assignResolvedVariable.setOperator(Assignment.Operator.ASSIGN);

	return assignResolvedVariable;
}
 

public ProposalParameter(boolean useSuper, ICompilationUnit compilationUnit, ASTRewrite rewrite, Expression accessNode, Expression qualifier, IVariableBinding variableBinding) {
	this.useSuper = useSuper;
	this.compilationUnit = compilationUnit;
	this.astRewrite = rewrite;
	this.accessNode = accessNode;
	this.qualifier = qualifier;
	this.variableBinding = variableBinding;
}
 

private static boolean getInverseConditionalExpressionProposals(IInvocationContext context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
	// try to find conditional expression as parent
	while (covering instanceof Expression) {
		if (covering instanceof ConditionalExpression)
			break;
		covering= covering.getParent();
	}
	if (!(covering instanceof ConditionalExpression)) {
		return false;
	}
	ConditionalExpression expression= (ConditionalExpression) covering;
	//  we could produce quick assist
	if (resultingCollections == null) {
		return true;
	}
	//
	AST ast= covering.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);
	// prepare new conditional expression
	ConditionalExpression newExpression= ast.newConditionalExpression();
	newExpression.setExpression(getInversedExpression(rewrite, expression.getExpression()));
	newExpression.setThenExpression((Expression) rewrite.createCopyTarget(expression.getElseExpression()));
	newExpression.setElseExpression((Expression) rewrite.createCopyTarget(expression.getThenExpression()));
	// replace old expression with new
	rewrite.replace(expression, newExpression, null);
	// add correction proposal
	String label= CorrectionMessages.AdvancedQuickAssistProcessor_inverseConditionalExpression_description;
	Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
	ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.INVERSE_CONDITIONAL_EXPRESSION, image);
	resultingCollections.add(proposal);
	return true;
}
 

private static Modifier removeModifier(final MethodDeclaration decl, final ASTRewrite rewrite, final int modifier) {
	Modifier modifierNode= ASTNodes.findModifierNode(modifier, decl.modifiers());
	if (modifierNode != null) {
		rewrite.remove(modifierNode, null);
	}
	return modifierNode;
}