org.eclipse.jdt.core.dom.TextElement Java Examples

private TagElement getDelegateJavadocTag(BodyDeclaration declaration) throws JavaModelException {
	Assert.isNotNull(declaration);

	String msg= RefactoringCoreMessages.DelegateCreator_use_member_instead;
	int firstParam= msg.indexOf("{0}"); //$NON-NLS-1$
	Assert.isTrue(firstParam != -1);

	List<ASTNode> fragments= new ArrayList<>();
	TextElement text= getAst().newTextElement();
	text.setText(msg.substring(0, firstParam).trim());
	fragments.add(text);

	fragments.add(createJavadocMemberReferenceTag(declaration, getAst()));

	text= getAst().newTextElement();
	text.setText(msg.substring(firstParam + 3).trim());
	fragments.add(text);

	final TagElement tag= getAst().newTagElement();
	tag.setTagName(TagElement.TAG_DEPRECATED);
	tag.fragments().addAll(fragments);
	return tag;
}
 

private static String getArgument(TagElement curr) {
	List<? extends ASTNode> fragments= curr.fragments();
	if (!fragments.isEmpty()) {
		Object first= fragments.get(0);
		if (first instanceof Name) {
			return ASTNodes.getSimpleNameIdentifier((Name) first);
		} else if (first instanceof TextElement && TagElement.TAG_PARAM.equals(curr.getTagName())) {
			String text= ((TextElement) first).getText();
			if ("<".equals(text) && fragments.size() >= 3) { //$NON-NLS-1$
				Object second= fragments.get(1);
				Object third= fragments.get(2);
				if (second instanceof Name && third instanceof TextElement && ">".equals(((TextElement) third).getText())) { //$NON-NLS-1$
					return '<' + ASTNodes.getSimpleNameIdentifier((Name) second) + '>';
				}
			} else if (text.startsWith(String.valueOf('<')) && text.endsWith(String.valueOf('>')) && text.length() > 2) {
				return text.substring(1, text.length() - 1);
			}
		}
	}
	return 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 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 static String getArgument(TagElement curr) {
	List<? extends ASTNode> fragments= curr.fragments();
	if (!fragments.isEmpty()) {
		Object first= fragments.get(0);
		if (first instanceof Name) {
			return ASTNodes.getSimpleNameIdentifier((Name) first);
		} else if (first instanceof TextElement && TagElement.TAG_PARAM.equals(curr.getTagName())) {
			String text= ((TextElement) first).getText();
			if ("<".equals(text) && fragments.size() >= 3) { //$NON-NLS-1$
				Object second= fragments.get(1);
				Object third= fragments.get(2);
				if (second instanceof Name && third instanceof TextElement && ">".equals(((TextElement) third).getText())) { //$NON-NLS-1$
					return '<' + ASTNodes.getSimpleNameIdentifier((Name) second) + '>';
				}
			} else if (text.startsWith(String.valueOf('<')) && text.endsWith(String.valueOf('>')) && text.length() > 2) {
				return text.substring(1, text.length() - 1);
			}
		}
	}
	return null;
}
 

private TagElement getDelegateJavadocTag(BodyDeclaration declaration) throws JavaModelException {
	Assert.isNotNull(declaration);

	String msg= RefactoringCoreMessages.DelegateCreator_use_member_instead;
	int firstParam= msg.indexOf("{0}"); //$NON-NLS-1$
	Assert.isTrue(firstParam != -1);

	List<ASTNode> fragments= new ArrayList<ASTNode>();
	TextElement text= getAst().newTextElement();
	text.setText(msg.substring(0, firstParam).trim());
	fragments.add(text);

	fragments.add(createJavadocMemberReferenceTag(declaration, getAst()));

	text= getAst().newTextElement();
	text.setText(msg.substring(firstParam + 3).trim());
	fragments.add(text);

	final TagElement tag= getAst().newTagElement();
	tag.setTagName(TagElement.TAG_DEPRECATED);
	tag.fragments().addAll(fragments);
	return tag;
}
 

/**
 * Creates a new region updater for the given text edit contained within the
 * given node.
 * 
 * @param originalEdit the text edit
 * @param node the most-specific node that contains the text edit
 * @param referenceUpdater an reference updater knowledgeable about the
 *          refactoring that is taking place
 * @param matcher an AST matcher knowledgeable about refactoring that is
 *          taking place
 * @return a region updater instance for the given text edit
 * @throws RefactoringException if there was an error creating a region
 *           updater
 */
public static RegionUpdater newRegionUpdater(ReplaceEdit originalEdit,
    ASTNode node, ReferenceUpdater referenceUpdater, ASTMatcher matcher)
    throws RefactoringException {

  if (node instanceof Name) {
    return new NameRegionUpdater(originalEdit, referenceUpdater, (Name) node,
        matcher);

  } else if (node instanceof TextElement) {
    return new TextElementRegionUpdater(originalEdit, referenceUpdater,
        (TextElement) node, matcher);
  }

  throw new RefactoringException("This AST node type is not supported");
}
 

private String extractFullText(TagElement tagElement) {
	StringBuilder builder = new StringBuilder();
	for (Object fragment : tagElement.fragments()) {
		if (fragment instanceof TextElement) {
			TextElement textElement = (TextElement) fragment;
			builder.append(textElement.getText() + " ");
		}
	}
	return builder.toString().trim();
}
 

private static boolean isWhitespaceTextElement(Object fragment) {
	if (!(fragment instanceof TextElement))
		return false;
	
	TextElement textElement= (TextElement) fragment;
	return textElement.getText().trim().length() == 0;
}
 

public static TagElement createParamTag(String parameterName, AST ast, IJavaProject javaProject) {
	TagElement paramNode= ast.newTagElement();
	paramNode.setTagName(TagElement.TAG_PARAM);

	SimpleName simpleName= ast.newSimpleName(parameterName);
	paramNode.fragments().add(simpleName);

	TextElement textElement= ast.newTextElement();
	String text= StubUtility.getTodoTaskTag(javaProject);
	if (text != null)
		textElement.setText(text); //TODO: use template with {@todo} ...
	paramNode.fragments().add(textElement);

	return paramNode;
}
 

private TagElement createExceptionTag(String simpleName) {
	TagElement excptNode= getASTRewrite().getAST().newTagElement();
	excptNode.setTagName(TagElement.TAG_THROWS);

	SimpleName nameNode= getASTRewrite().getAST().newSimpleName(simpleName);
	excptNode.fragments().add(nameNode);

	TextElement textElement= getASTRewrite().getAST().newTextElement();
	String text= StubUtility.getTodoTaskTag(fCuRewrite.getCu().getJavaProject());
	if (text != null)
		textElement.setText(text); //TODO: use template with {@todo} ...
	excptNode.fragments().add(textElement);

	return excptNode;
}
 

private TagElement createReturnTag() {
	TagElement returnNode= getASTRewrite().getAST().newTagElement();
	returnNode.setTagName(TagElement.TAG_RETURN);

	TextElement textElement= getASTRewrite().getAST().newTextElement();
	String text= StubUtility.getTodoTaskTag(fCuRewrite.getCu().getJavaProject());
	if (text != null)
		textElement.setText(text); //TODO: use template with {@todo} ...
	returnNode.fragments().add(textElement);

	return returnNode;
}
 

public static String buildASTLabel(ASTNode node) {
	String label = node.getClass().getSimpleName();
	if (node instanceof Expression) {
		if (node.getClass().getSimpleName().endsWith("Literal")) {
			return label + "(" + node.toString() + ")";
		}
		int type = node.getNodeType();
		switch (type) {
		case ASTNode.INFIX_EXPRESSION:
			return label + "(" + ((InfixExpression) node).getOperator().toString() + ")";
		case ASTNode.SIMPLE_NAME:
			return label + "(" + node.toString() + ")";
		case ASTNode.POSTFIX_EXPRESSION:
			return label + "(" + ((PostfixExpression) node).getOperator().toString() + ")";
		case ASTNode.PREFIX_EXPRESSION:
			return label + "(" + ((PrefixExpression) node).getOperator().toString() + ")";
		default:
			break;
		}
	} else if (node instanceof Modifier) {
		return label + "(" + node.toString() + ")";
	} else if (node instanceof Type) {
		if (node instanceof PrimitiveType)
			return label + "(" + node.toString() + ")";
	} else if (node instanceof TextElement) {
		return label + "(" + node.toString() + ")";
	} else if (node instanceof TagElement) {
		String tag = ((TagElement) node).getTagName();
		if (tag == null)
			return label;
		return label + "(" + tag + ")";
	}
	return label;
}
 

public static char buildLabelForVector(ASTNode node) {
	char label = (char) node.getNodeType();
	if (node instanceof Expression) {
		if (node.getClass().getSimpleName().endsWith("Literal")) {
			return (char) (label | (node.toString().hashCode() << 7));
		}
		int type = node.getNodeType();
		switch (type) {
		case ASTNode.INFIX_EXPRESSION:
			return (char) (label | (((InfixExpression) node).getOperator().toString().hashCode() << 7));
		case ASTNode.SIMPLE_NAME:
			return (char) (label | (node.toString().hashCode() << 7));
		case ASTNode.POSTFIX_EXPRESSION:
			return (char) (label | (((PostfixExpression) node).getOperator().toString().hashCode() << 7));
		case ASTNode.PREFIX_EXPRESSION:
			return (char) (label | (((PrefixExpression) node).getOperator().toString().hashCode() << 7));
		default:
			break;
		}
	} else if (node instanceof Modifier) {
		return (char) (label | (node.toString().hashCode() << 7));
	} else if (node instanceof Type) {
		if (node instanceof PrimitiveType)
			return (char) (label | (node.toString().hashCode() << 7));
	} else if (node instanceof TextElement) {
		return (char) (label | (node.toString().hashCode() << 7));
	} else if (node instanceof TagElement) {
		String tag = ((TagElement) node).getTagName();
		if (tag != null)
			return (char) (label | (((TagElement) node).getTagName().hashCode() << 7));
	}
	return label;
}
 

@Override
public boolean match(TextElement node, Object other) {
  if (!(other instanceof TextElement)) {
    return false;
  }
  TextElement o = (TextElement) other;
  return safeRenamedEquals(node.getText(), o.getText(), oldName, newName);
}
 

@Override
public boolean visit(final TagElement node) {
  boolean _isNested = node.isNested();
  if (_isNested) {
    this.appendToBuffer("{");
  } else {
    this.appendLineWrapToBuffer();
    this.appendToBuffer(" * ");
  }
  boolean previousRequiresWhiteSpace = false;
  String _tagName = node.getTagName();
  boolean _tripleNotEquals = (_tagName != null);
  if (_tripleNotEquals) {
    this.appendToBuffer(node.getTagName());
    previousRequiresWhiteSpace = true;
  }
  boolean previousRequiresNewLine = false;
  for (Iterator<? extends ASTNode> it = node.fragments().iterator(); it.hasNext();) {
    {
      ASTNode e = it.next();
      boolean currentIncludesWhiteSpace = (e instanceof TextElement);
      if ((previousRequiresNewLine && currentIncludesWhiteSpace)) {
        this.appendLineWrapToBuffer();
        this.appendToBuffer(" * ");
      }
      previousRequiresNewLine = currentIncludesWhiteSpace;
      if ((previousRequiresWhiteSpace && (!currentIncludesWhiteSpace))) {
        this.appendSpaceToBuffer();
      }
      e.accept(this);
      previousRequiresWhiteSpace = ((!currentIncludesWhiteSpace) && (!(e instanceof TagElement)));
    }
  }
  boolean _isNested_1 = node.isNested();
  if (_isNested_1) {
    this.appendToBuffer("}");
  }
  return false;
}
 

private static boolean isWhitespaceTextElement(Object fragment) {
	if (!(fragment instanceof TextElement)) {
		return false;
	}

	TextElement textElement = (TextElement) fragment;
	return textElement.getText().trim().length() == 0;
}
 

@Override
protected ReplaceEdit createUpdatedEditForEquivalentNode(
    TextElement equivalentNode) throws RefactoringException {
  // Adjust the offset based on the difference between start positions of
  // equivalent nodes
  int newOffset = getOriginalEdit().getOffset()
      + equivalentNode.getStartPosition()
      - getOriginalNode().getStartPosition();

  return new ReplaceEdit(newOffset, getOriginalEdit().getLength(),
      getOriginalEdit().getText());
}
 

@Override
public boolean visit(TextElement node) {
	return visitNode(node);
}
 

@Override
public boolean visit(TextElement node) {
	this.hasText = true;
	return true;
}
 

private void insertTabStop(ASTRewrite rewriter, List<ASTNode> fragments, String linkedName) {
	TextElement textElement= rewriter.getAST().newTextElement();
	textElement.setText(""); //$NON-NLS-1$
	fragments.add(textElement);
	addLinkedPosition(rewriter.track(textElement), false, linkedName);
}
 

private ASTRewrite doAddParam(CompilationUnit cu) {
	AST ast= cu.getAST();
	SimpleName node= fOriginalNode;

	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(node);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ASTRewrite rewrite= ASTRewrite.create(ast);

		ImportRewrite imports= createImportRewrite((CompilationUnit) decl.getRoot());
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);

		SingleVariableDeclaration newDecl= ast.newSingleVariableDeclaration();
		newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, methodDeclaration.resolveBinding()));
		newDecl.setName(ast.newSimpleName(node.getIdentifier()));

		ListRewrite listRewriter= rewrite.getListRewrite(decl, MethodDeclaration.PARAMETERS_PROPERTY);
		listRewriter.insertLast(newDecl, null);

		addLinkedPosition(rewrite.track(node), true, KEY_NAME);

		// add javadoc tag
		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null) {
			HashSet<String> leadingNames= new HashSet<String>();
			for (Iterator<SingleVariableDeclaration> iter= methodDeclaration.parameters().iterator(); iter.hasNext();) {
				SingleVariableDeclaration curr= iter.next();
				leadingNames.add(curr.getName().getIdentifier());
			}
			SimpleName newTagRef= ast.newSimpleName(node.getIdentifier());

			TagElement newTagElement= ast.newTagElement();
			newTagElement.setTagName(TagElement.TAG_PARAM);
			newTagElement.fragments().add(newTagRef);
			TextElement commentStart= ast.newTextElement();
			newTagElement.fragments().add(commentStart);

			addLinkedPosition(rewrite.track(newTagRef), false, KEY_NAME);
			addLinkedPosition(rewrite.track(commentStart), false, "comment_start"); //$NON-NLS-1$

			ListRewrite tagsRewriter= rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
			JavadocTagsSubProcessor.insertTag(tagsRewriter, newTagElement, leadingNames);
		}
		
		addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
		addLinkedPosition(rewrite.track(newDecl.getName()), false, KEY_NAME);

		return rewrite;
	}
	return null;
}
 

private void insertTabStop(ASTRewrite rewriter, List<ASTNode> fragments, String linkedName) {
	TextElement textElement= rewriter.getAST().newTextElement();
	textElement.setText(""); //$NON-NLS-1$
	fragments.add(textElement);
	addLinkedPosition(rewriter.track(textElement), false, linkedName);
}
 

public static void addMissingReturnTypeProposals(IInvocationContext context, IProblemLocationCore problem, Collection<ChangeCorrectionProposal> proposals) {
	ICompilationUnit cu= context.getCompilationUnit();

	CompilationUnit astRoot= context.getASTRoot();
	ASTNode selectedNode= problem.getCoveringNode(astRoot);
	if (selectedNode == null) {
		return;
	}
	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(selectedNode);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ReturnStatementCollector eval= new ReturnStatementCollector();
		decl.accept(eval);

		AST ast= astRoot.getAST();

		ITypeBinding typeBinding= eval.getTypeBinding(decl.getAST());
		typeBinding= Bindings.normalizeTypeBinding(typeBinding);
		if (typeBinding == null) {
			typeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
		}
		if (typeBinding.isWildcardType()) {
			typeBinding= ASTResolving.normalizeWildcardType(typeBinding, true, ast);
		}

		ASTRewrite rewrite= ASTRewrite.create(ast);

		String label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_missingreturntype_description, BindingLabelProviderCore.getBindingLabel(typeBinding, BindingLabelProviderCore.DEFAULT_TEXTFLAGS));
		LinkedCorrectionProposal proposal= new LinkedCorrectionProposal(label, CodeActionKind.QuickFix, cu, rewrite, IProposalRelevance.MISSING_RETURN_TYPE);

		ImportRewrite imports= proposal.createImportRewrite(astRoot);
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);
		Type type= imports.addImport(typeBinding, ast, importRewriteContext, TypeLocation.RETURN_TYPE);

		rewrite.set(methodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, type, null);
		rewrite.set(methodDeclaration, MethodDeclaration.CONSTRUCTOR_PROPERTY, Boolean.FALSE, null);

		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null && typeBinding != null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_RETURN);
			TextElement commentStart= ast.newTextElement();
			newTag.fragments().add(commentStart);

			JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
			proposal.addLinkedPosition(rewrite.track(commentStart), false, "comment_start"); //$NON-NLS-1$
		}

		String key= "return_type"; //$NON-NLS-1$
		proposal.addLinkedPosition(rewrite.track(type), true, key);
		if (typeBinding != null) {
			ITypeBinding[] bindings= ASTResolving.getRelaxingTypes(ast, typeBinding);
			for (int i= 0; i < bindings.length; i++) {
				proposal.addLinkedPositionProposal(key, bindings[i]);
			}
		}

		proposals.add(proposal);

		// change to constructor
		ASTNode parentType= ASTResolving.findParentType(decl);
		if (parentType instanceof AbstractTypeDeclaration) {
			boolean isInterface= parentType instanceof TypeDeclaration && ((TypeDeclaration) parentType).isInterface();
			if (!isInterface) {
				String constructorName= ((AbstractTypeDeclaration) parentType).getName().getIdentifier();
				ASTNode nameNode= methodDeclaration.getName();
				label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_wrongconstructorname_description, BasicElementLabels.getJavaElementName(constructorName));
				proposals.add(new ReplaceCorrectionProposal(label, cu, nameNode.getStartPosition(), nameNode.getLength(), constructorName, IProposalRelevance.CHANGE_TO_CONSTRUCTOR));
			}
		}
	}
}
 

public static void addMissingReturnTypeProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
	ICompilationUnit cu= context.getCompilationUnit();

	CompilationUnit astRoot= context.getASTRoot();
	ASTNode selectedNode= problem.getCoveringNode(astRoot);
	if (selectedNode == null) {
		return;
	}
	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(selectedNode);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ReturnStatementCollector eval= new ReturnStatementCollector();
		decl.accept(eval);

		AST ast= astRoot.getAST();

		ITypeBinding typeBinding= eval.getTypeBinding(decl.getAST());
		typeBinding= Bindings.normalizeTypeBinding(typeBinding);
		if (typeBinding == null) {
			typeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
		}
		if (typeBinding.isWildcardType()) {
			typeBinding= ASTResolving.normalizeWildcardType(typeBinding, true, ast);
		}

		ASTRewrite rewrite= ASTRewrite.create(ast);

		String label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_missingreturntype_description, BindingLabelProvider.getBindingLabel(typeBinding, BindingLabelProvider.DEFAULT_TEXTFLAGS));
		Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
		LinkedCorrectionProposal proposal= new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.MISSING_RETURN_TYPE, image);

		ImportRewrite imports= proposal.createImportRewrite(astRoot);
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);
		Type type= imports.addImport(typeBinding, ast, importRewriteContext);

		rewrite.set(methodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, type, null);
		rewrite.set(methodDeclaration, MethodDeclaration.CONSTRUCTOR_PROPERTY, Boolean.FALSE, null);

		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null && typeBinding != null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_RETURN);
			TextElement commentStart= ast.newTextElement();
			newTag.fragments().add(commentStart);

			JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
			proposal.addLinkedPosition(rewrite.track(commentStart), false, "comment_start"); //$NON-NLS-1$
		}

		String key= "return_type"; //$NON-NLS-1$
		proposal.addLinkedPosition(rewrite.track(type), true, key);
		if (typeBinding != null) {
			ITypeBinding[] bindings= ASTResolving.getRelaxingTypes(ast, typeBinding);
			for (int i= 0; i < bindings.length; i++) {
				proposal.addLinkedPositionProposal(key, bindings[i]);
			}
		}

		proposals.add(proposal);

		// change to constructor
		ASTNode parentType= ASTResolving.findParentType(decl);
		if (parentType instanceof AbstractTypeDeclaration) {
			boolean isInterface= parentType instanceof TypeDeclaration && ((TypeDeclaration) parentType).isInterface();
			if (!isInterface) {
				String constructorName= ((AbstractTypeDeclaration) parentType).getName().getIdentifier();
				ASTNode nameNode= methodDeclaration.getName();
				label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_wrongconstructorname_description, BasicElementLabels.getJavaElementName(constructorName));
				proposals.add(new ReplaceCorrectionProposal(label, cu, nameNode.getStartPosition(), nameNode.getLength(), constructorName, IProposalRelevance.CHANGE_TO_CONSTRUCTOR));
			}
		}
	}
}
 

private ASTRewrite doAddParam(CompilationUnit cu) {
	AST ast= cu.getAST();
	SimpleName node= fOriginalNode;

	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(node);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ASTRewrite rewrite= ASTRewrite.create(ast);

		ImportRewrite imports= createImportRewrite((CompilationUnit) decl.getRoot());
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);

		SingleVariableDeclaration newDecl= ast.newSingleVariableDeclaration();
		newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, methodDeclaration.resolveBinding(), TypeLocation.PARAMETER));
		newDecl.setName(ast.newSimpleName(node.getIdentifier()));

		ListRewrite listRewriter= rewrite.getListRewrite(decl, MethodDeclaration.PARAMETERS_PROPERTY);
		listRewriter.insertLast(newDecl, null);

		// add javadoc tag
		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null) {
			HashSet<String> leadingNames= new HashSet<>();
			for (Iterator<SingleVariableDeclaration> iter= methodDeclaration.parameters().iterator(); iter.hasNext();) {
				SingleVariableDeclaration curr= iter.next();
				leadingNames.add(curr.getName().getIdentifier());
			}
			SimpleName newTagRef= ast.newSimpleName(node.getIdentifier());

			TagElement newTagElement= ast.newTagElement();
			newTagElement.setTagName(TagElement.TAG_PARAM);
			newTagElement.fragments().add(newTagRef);
			TextElement commentStart= ast.newTextElement();
			newTagElement.fragments().add(commentStart);

			ListRewrite tagsRewriter= rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
			JavadocTagsSubProcessor.insertTag(tagsRewriter, newTagElement, leadingNames);
		}

		return rewrite;
	}
	return null;
}
 

@Override
public void endVisit(TextElement node) {
	endVisitNode(node);
}
 

private void insertTabStop(ASTRewrite rewriter, List<ASTNode> fragments, String linkedName) {
	TextElement textElement= rewriter.getAST().newTextElement();
	textElement.setText(""); //$NON-NLS-1$
	fragments.add(textElement);
}
 

@Override
public boolean visit(TextElement node) {
	if (node.subtreeMatch(fMatcher, fNodeToMatch))
		return matches(node);
	return super.visit(node);
}
 

@Override
public boolean visit(final TextElement node) {
  this.appendToBuffer(node.getText());
  return false;
}