The Jakarta SOAP with Attachments API in the Java Class Library implements SOAP -based file transmission
Title: Use Jakarta Soap with Attachments API to implement SOAP -based file transmission
Introduction:
With the rapid development of the Internet, file transmission has become an indispensable part of daily life and work.File transmission based on the SOAP protocol is a popular solution that allows files to transmit files through the network between clients and servers.This article will introduce how to use Jakarta Soap with Attachments API in the Java Library to achieve Soap -based file transmission.
SOAP Introduction:
Soap (Simple Object Access Protocol) is a standard communication protocol that allows different applications to communicate through the network.It is based on XML language and uses HTTP or other transmission protocols to send and receive messages.SOAP messages can contain any type of data, including files.
Jakarta SOAP with Attachments API：
Jakarta SOAP with Attachments API is an open source Java class library that is used to implement file transmission of the SOAP protocol.It provides a set of categories and methods to build and process SOAP messages and support the transmission of attachments.This API makes SOAP file transmission easier and convenient in Java applications.
Implementation steps:
The following is the steps of using SOAP -based file transmission using Jakarta SOAP with Attachments API:
1. Import related library:
Introduce Jakarta Soap with Attachments API in the Java project to ensure that the class and methods that can be accessed normally.
2. Create SOAP client:
Create a SOAP client with Java code, which will be responsible for communicating with the server.You can use the classes in the Jakarta SOAP with Attachments API to build and send SOAP messages.
import org.apache.soap.AttachmentPart;
import org.apache.soap.Constants;
import org.apache.soap.messaging.Message;
import org.apache.soap.messaging.SOAPMessage;
import org.apache.soap.transport.http.SOAPHTTPConnection;
public class SOAPClient {
public static void main(String[] args) {
try {
// Create SOAP connection
SOAPHTTPConnection soapConnection = new SOAPHTTPConnection();
// Create soap messages
SOAPMessage soapMessage = new SOAPMessage();
// Set message content
Message message = new Message();
Message.addproperty ("Filename", "Example.txt"); // Set the file name
AttachmentPart attachment = new AttachmentPart();
Attachment.SetContent (New FileInputstream ("Example.txt"), Constants.Content_Type_PLAIN); // Set file content and types and types
soapMessage.addAttachmentPart(attachment);
// Send SOAP message and get response
SOAPMessage response = soapConnection.call(soapMessage, "http://example.com/soapendpoint");
// Treatment response
// ...
} catch (Exception e) {
e.printStackTrace();
}
}
}
3. Create SOAP server:
Create a SOAP server with Java code, which will receive SOAP messages from the client and process file transmission requests.You can use the class in the Jakarta SOAP with Attachments API to analyze and process SOAP messages.
import org.apache.soap.AttachmentPart;
import org.apache.soap.Constants;
import org.apache.soap.messaging.Message;
import org.apache.soap.messaging.SOAPMessage;
import org.apache.soap.transport.http.SOAPHTTPConnection;
public class SOAPServer {
public static void main(String[] args) {
try {
// Create SOAP connection
SOAPHTTPConnection soapConnection = new SOAPHTTPConnection();
// Start the SOAP server
soapConnection.startup();
// Surveillance soap message
while (true) {
SOAPMessage soapMessage = soapConnection.receive();
// Process SOAP message
Message message = soapMessage.getSOAPPart().getMessage();
String fileName = message.getPropertyAsString("fileName");
AttachmentPart attachment = soapMessage.getAttachmentPart();
// save document
attachment.getContent(new FileOutputStream(fileName));
// Send the response message
SOAPMessage response = new SOAPMessage();
// ...
soapConnection.send(response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
in conclusion:
Through the Jakarta SOAP with Attachments API in the Java class library, we can easily implement SOAP -based file transmission.This article introduces the basic steps of using the API and provides related Java code examples.With this API, you can write a powerful Java application with file transmission function and transmit files securely on the Internet.
