Agregar comentarios usando Eclipse JDT ASTRewrite

public class Main {
	public static void main(String[] args) {
		int i = 1;
		System.out.println(i);
	}
	public static void add() {
		int i = 1;
		System.out.println(i);
	}
}

public class Main {public static void main (String[] argumentos) {int i = 1; System.out.println (i); } public static void add () {int i = 1; System.out.println (i); }}

public class Main {
	public static void main(String[] args) {
		//mycomment
		int i = 1;
		System.out.println(i);
	}
	public static void add() {
		int i = 1;
		System.out.println(i);
	}
}

public class Main {public static void main (String[] args) {// micomentario int i = 1; System.out.println (i); } public static void add () {int i = 1; System.out.println (i); }}

unit.getBuffer().setContents(document.get());

unit.getBuffer (). setContents (document.get ());

private void AddComments() throws MalformedTreeException, BadLocationException, CoreException {
 
	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject("testAddComments");
	IJavaProject javaProject = JavaCore.create(project);
	IPackageFragment package1 = javaProject.getPackageFragments()[0];
 
	//get first compilation unit
	ICompilationUnit unit = package1.getCompilationUnits()[0];
 
	// parse compilation unit
	CompilationUnit astRoot = parse(unit);
 
	//create a ASTRewrite
	AST ast = astRoot.getAST();
	ASTRewrite rewriter = ASTRewrite.create(ast);
 
	//for getting insertion position
	TypeDeclaration typeDecl = (TypeDeclaration) astRoot.types().get(0);
	MethodDeclaration methodDecl = typeDecl.getMethods()[0];
	Block block = methodDecl.getBody();
 
	ListRewrite listRewrite = rewriter.getListRewrite(block, Block.STATEMENTS_PROPERTY);
	Statement placeHolder = (Statement) rewriter.createStringPlaceholder("//mycomment", ASTNode.EMPTY_STATEMENT);
	listRewrite.insertFirst(placeHolder, null);
 
	TextEdit edits = rewriter.rewriteAST();
 
	// apply the text edits to the compilation unit
	Document document = new Document(unit.getSource());
 
	edits.apply(document);
 
	// this is the code for adding statements
	unit.getBuffer().setContents(document.get());
 
	System.out.println("done");
}

Private void AddComments () lanza MalformedTreeException, BadLocationException, CoreException {IProject proyecto = ResourcesPlugin.getWorkspace (). getRoot (). getProject («testAddComments»); IJavaProject javaProject = JavaCore.create (proyecto); IPackageFragment paquete1 = javaProject.getPackageFragments ()[0]; // obtener la primera unidad de compilación ICompilationUnit unit = package1.getCompilationUnits ()[0]; // analizar la unidad de compilación CompilationUnit astRoot = parse (unidad); // crea un ASTRewrite AST ast = astRoot.getAST (); ASTRewrite rewriter = ASTRewrite.create (ast); // para obtener la posición de inserción TypeDeclaration typeDecl = (TypeDeclaration) astRoot.types (). get (0); MethodDeclaration methodDecl = typeDecl.getMethods ()[0]; Bloque bloque = methodDecl.getBody (); ListRewrite listRewrite = rewriter.getListRewrite (bloque, Block.STATEMENTS_PROPERTY); Declaración placeHolder = (Statement) rewriter.createStringPlaceholder («// mycomment», ASTNode.EMPTY_STATEMENT); listRewrite.insertFirst (placeHolder, nulo); TextEdit ediciones = rewriter.rewriteAST (); // aplica las ediciones de texto a la unidad de compilación Document document = new Document (unit.getSource ()); edits.apply (documento); // este es el código para agregar declaraciones unit.getBuffer (). setContents (document.get ()); System.out.println («hecho»); }