Java EE 8 Application Development

Sending attachments to web services

In addition to sending and accepting the data types discussed in the previous sections, web service methods can send and accept file attachments. The following example illustrates how to do this:

package net.ensode.javaeebook.jaxws; 
 
import java.io.FileOutputStream; 
import java.io.IOException; 
 
import javax.activation.DataHandler; 
import javax.jws.WebMethod; 
import javax.jws.WebService; 
 
@WebService 
public class FileAttachment { 
 
    @WebMethod 
    public void attachFile(DataHandler dataHandler) { 
        FileOutputStream fileOutputStream; 
        try { 
            fileOutputStream =               new FileOutputStream("/tmp/logo.png");            dataHandler.writeTo(fileOutputStream); fileOutputStream.flush(); fileOutputStream.close(); } catch (IOException e) { e.printStackTrace(); ...