该JSON杰克逊是一个Java库。它具有非常强大的数据绑定功能,并提供了一个框架,用于将自定义Java对象序列化为JSON并将JSON反序列化为Java对象。我们还可以使用XmlMapper 类的readValue()方法将XML格式转换为POJO对象。
public <T> T readValue(XMLStreamReader r, Class<T> valueType) throws IOException
import com.fasterxml.jackson.dataformat.xml.*;
public class XMLToPOJOTest {
public static void main(String args[]) throws Exception {
try {
XmlMapper xmlMapper = new XmlMapper();
Person pojo = xmlMapper.readValue(getXmlString(), Person.class);
System.out.println(pojo);
} catch(Exception e) {
e.printStackTrace();
}
}
private static String getXmlString() {
return "<person> <firstName>Adithya</firstName>"
+ "<lastName>Jai</lastName>"
+ "<address>Bangalore</address>" + "</person>";
}
}// Person class (POJO)class Person {
private String firstName;
private String lastName;
private String address;
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String toString() {
return "Person[ " +
"firstName = " + firstName +
", lastName = " + lastName +
", address = " + address +
" ]";
}
}输出结果
Person[ firstName = Adithya, lastName = Jai, address = Bangalore ]