how to fit in jackson csvitem writer
I got class which has got pojo.Is there way to feed in jacksoncsvItem writer.
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.dataformat.csv.CsvMapper;
import com.fasterxml.jackson.dataformat.csv.CsvSchema;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class CsvCreator {
public static void main(String[] args) throws FileNotFoundException, UnsupportedEncodingException, IOException {
// POJO (bean class)
@JsonPropertyOrder({ "name", "age", "dob" })
class User {
public String name;
public int age;
public Date dob;
public User() {
}
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd")
public Date getDob() {
return dob;
}
public void setDob(Date dob) {
this.dob = dob;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
long DAY_IN_MS = 1000 * 60 * 60 * 24;
// define objects
User user1 = new User();
user1.name = "foo";
user1.age = 32;
user1.dob = new Date(System.currentTimeMillis() - (30 * DAY_IN_MS));
User user2 = new User();
user2.name = "bar";
user2.age = 27;
user2.dob = new Date(System.currentTimeMillis() - (7 * DAY_IN_MS));
List<User> users = new ArrayList<User>();
users.add(user1);
users.add(user2);
// create mapper and schema
CsvMapper mapper = new CsvMapper();
CsvSchema schema = mapper.schemaFor(User.class).withColumnSeparator('|').withoutQuoteChar();
// output writer
ObjectWriter myObjectWriter = mapper.writer(schema);
File tempFile = new File("users.csv");
FileOutputStream tempFileOutputStream = new FileOutputStream(tempFile);
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(tempFileOutputStream, 1024);
OutputStreamWriter writerOutputStream = new OutputStreamWriter(bufferedOutputStream, "UTF-8");
myObjectWriter.writeValue(writerOutputStream, users);
}
}
