技巧: 用 JAXM 发送和接收 SOAP 消息—Java API 使许多手工生成和发送消息方面必需的步骤自动化

<soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
<soap-env:Header/>
<soap-env:Body>
<cal:schedule xmlns:cal="http://www.example.com/calendar">
<cal:newitem>
<cal:eventDate>4/10/2002</cal:eventDate>
<cal:title>Fun With Frogs</cal:title>
</cal:newitem>
</cal:schedule>
</soap-env:Body>
</soap-env:Envelope>

import javax.xml.soap.SOAPConnectionFactory;
import javax.xml.soap.SOAPConnection;
public class SOAPTip {

public static void main(String args[]) {

try {

//First create the connection
SOAPConnectionFactory soapConnFactory =
SOAPConnectionFactory.newInstance();
SOAPConnection connection =
soapConnFactory.createConnection();

//Close the connection
connection.close();

} catch(Exception e) {
System.out.println(e.getMessage());
}
}
}

import javax.xml.soap.SOAPConnectionFactory;
import javax.xml.soap.SOAPConnection;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPMessage;
import javax.xml.soap.SOAPPart;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPBody;
public class SOAPTip {

public static void main(String args[]) {

try {

//First create the connection
SOAPConnectionFactory soapConnFactory =
SOAPConnectionFactory.newInstance();
SOAPConnection connection =
soapConnFactory.createConnection();

//Next, create the actual message
MessageFactory messageFactory = MessageFactory.newInstance();
SOAPMessage message = messageFactory.createMessage();

//Create objects for the message parts
SOAPPart soapPart =     message.getSOAPPart();
SOAPEnvelope envelope = soapPart.getEnvelope();
SOAPBody body =         envelope.getBody();
//Close the connection
connection.close();

} catch(Exception e) {
System.out.println(e.getMessage());
}
}
}

...
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPElement;
public class SOAPTip {

public static void main(String args[]) {

try {
...
//Create objects for the message parts
SOAPPart soapPart =     message.getSOAPPart();
SOAPEnvelope envelope = soapPart.getEnvelope();
SOAPBody body =         envelope.getBody();
//Populate the body
//Create the main element and namespace
SOAPElement bodyElement =
body.addChildElement(envelope.createName("schedule" ,
"cal",
"http://www.example.com/calendar"));
//Add content
bodyElement.addChildElement("cal:newitem").addTextNode("contentHere");
//Save the message
message.saveChanges();
//Check the input
System.out.println("\nREQUEST:\n");
message.writeTo(System.out);
System.out.println();
//Close the connection
connection.close();

} catch(Exception e) {
System.out.println(e.getMessage());
}
}
}

...
import javax.xml.soap.SOAPElement;
import java.io.FileInputStream;
import javax.xml.transform.stream.StreamSource;
public class SOAPTip {

public static void main(String args[]) {
...
//Create objects for the message parts
SOAPPart soapPart =     message.getSOAPPart();
SOAPEnvelope envelope = soapPart.getEnvelope();
SOAPBody body =         envelope.getBody();
//Populate the Message
StreamSource preppedMsgSrc = new StreamSource(
new FileInputStream("prepped.msg"));
soapPart.setContent(preppedMsgSrc);
//Save the message
message.saveChanges();
...
}
}

...
import javax.xml.messaging.URLEndpoint;
public class SOAPTip {

public static void main(String args[]) {

...
//Check the input
System.out.println("\nREQUEST:\n");
message.writeTo(System.out);
System.out.println();
//Send the message and get a reply

//Set the destination
URLEndpoint destination =
new URLEndpoint("http://localhost:8080/jaxm-simple/receiver");
//Send the message
SOAPMessage reply = connection.call(message, destination);
//Close the connection
connection.close();
...
}
}

...
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamResult;
public class SOAPTip {

public static void main(String args[]) {

try {

...
//Send the message
SOAPMessage reply = connection.call(message, destination);
//Check the output
System.out.println("\nRESPONSE:\n");
//Create the transformer
TransformerFactory transformerFactory =
TransformerFactory.newInstance();
Transformer transformer =
transformerFactory.newTransformer();
//Extract the content of the reply
Source sourceContent = reply.getSOAPPart().getContent();
//Set the output for the transformation
StreamResult result = new StreamResult(System.out);
transformer.transform(sourceContent, result);
System.out.println();
//Close the connection
connection.close();
...
}
}