.java

    private String cleanHTML(String str) {
        Element element = Jsoup.parse(str);

        final StringBuilder buffer = new StringBuilder();

        new NodeTraversor(new NodeVisitor() {
            boolean isNewline = true;

            @Override
            public void head(Node node, int depth) {
            }

            @Override
            public void tail(Node node, int depth) {
                if (node instanceof TextNode) {
                    TextNode textNode = (TextNode) node;
                    String text = textNode.text();//.replace('\u00A0', ' ').trim();
                    if(!text.isEmpty()) {
                        buffer.append(text);
                        isNewline = false;
                    }
                } else if (node instanceof Element) {
                    Element element = (Element) node;
                    if (!isNewline) {
                        if((element.isBlock() || element.tagName().equals("br"))) {
                            buffer.append("\n");
                            isNewline = true;
                        }
                    }
                }
            }
        }).traverse(element);

        return buffer.toString();
    }