Hibernate Validator 사용 , jdom , json 사용

SAXBuilder saxBuilder = new SAXBuilder(true);

// Document doc = saxBuilder.build(instream);

// Element root = doc.getRootElement();

// List list = root.getChildren("item");

saxBuilder.setValidation(false);

Document document = saxBuilder.build(new StringReader(result));

// Document document = saxBuilder.build(instream);

System.out.println(document);

Element rootNode = document.getRootElement();

List list = rootNode.getChild("channel").getChildren("item");

// JSONArray jsonArray = new JSONArray();

JSONObject jsonObject = new JSONObject();

// List<Map> mapParent = new ArrayList<Map>();

ValidatorFactory factory = Validation.buildDefaultValidatorFactory();

Validator validator = factory.getValidator();

List<Book> bookList = new ArrayList<Book>();

for (int i = 0; i < list.size(); i++) {

Element node = (Element) list.get(i);

Book book = new Book();

book.setTitle(node.getChildText("title"));

book.setAuthor(node.getChildText("author"));

book.setLink(node.getChildText("link"));

book.setPrice(Integer.parseInt(node.getChildText("price")));

book.setPublisher(node.getChildText("publisher"));

Set<ConstraintViolation<Book>> violations = validator.validate(book);

System.out.println(violations);

if( violations.size() > 0 ) throw new ValidationException();

bookList.add(book);

// Map<String , String> mapSub = new HashMap<String ,

// String>();

//

// mapSub.put("title", node.getChildText("title"));

// mapSub.put("link", node.getChildText("link"));

// mapSub.put("author", node.getChildText("author"));

// mapSub.put("price", node.getChildText("price"));

// mapSub.put("publisher",node.getChildText("publisher"));

//

// mapParent.add(mapSub);

} 

System.out.println(jsonObject.put("book", bookList)); 





Model 객체(도메인 클래스)

import javax.validation.constraints.Max;

import javax.validation.constraints.Min;

import javax.validation.constraints.NotNull;

public class Book {

@NotNull

String title;

@NotNull

String link;

@NotNull

String author;

@NotNull

@Max(1000)

int price;

String publisher;

public String getTitle() {

return title;

}

public void setTitle(String title) {

this.title = title;

}

public String getLink() {

return link;

}

public void setLink(String link) {

this.link = link;

}

public String getAuthor() {

return author;

}

public void setAuthor(String author) {

this.author = author;

}

public int getPrice() {

return price;

}

public void setPrice(int price) {

this.price = price;

}

public String getPublisher() {

return publisher;

}

public void setPublisher(String publisher) {

this.publisher = publisher;

}

}