Make a project in netbeans.In it develop an application that gives create a SOAP message along with several headers (use SOAP 1.1 here)
SOAP Header
Project Requirement
Make a project in netbeans.In it develop an application that gives create a SOAP message along with several headers (use SOAP 1.1 here)
Solution :
Create a java application project
Create a java class file
Add the code for Header
Make Compilation of the file
Build the project
Run the project
SOAP Header is the optional Element in SOAP Message . It contains data for application in XML form.For example, transaction semantics, authentication information, and so on.It can be specified as the content of a SOAPHeader object.
Create a java application project
Take a new Java Application Project as given in below in Figure1
Figure. 1
Give the project name as SOAP-Header as given in below in Figure2
Figure 2
Click on the finish button. This creates a Java Application project.
Creating the Java File
Now create a new java file.
Right click on the project
Select the new java Class as shown in below Figure 3
Figure 3
Give the name of the java class as Header1.
Give the package name as pack2 as given below in Fig 4
Figure. 4
Click on the finish .It will create the file Header1.java
Now edit the code of the Header1.java as shown below.
package pack2;
import javax.xml.soap.*;
import java.util.*;
import javax.xml.namespace.QName;
public class Header1 {
public static void main(String[] args) {
String version = "1.2";
System.out.println("SOAP version is " + version);
if (!(version.equals("1.1") || version.equals("1.2"))) {
System.err.println("Value must be 1.1 or 1.2");
System.exit(1);
}
if (version.equals("1.1")) {
billingHeader.setActor("http://www.roseindia.net/struts/");
} else {
billingHeader.setRole("http://www.roseindia.net/struts/");
}
if (version.equals("1.2")) {
billingHeader.setRelay(true);
}
SOAPBody body = message.getSOAPBody();
message.saveChanges();
System.out.println("\n----- Request Message ----\n");
message.writeTo(System.out);
System.out.println();
Iterator allHeaders = header.examineAllHeaderElements();
while (allHeaders.hasNext()) {
SOAPHeaderElement headerElement = (SOAPHeaderElement) allHeaders
.next();
QName headerName = headerElement.getElementQName();
System.out.println("\nHeader name is " + headerName.toString());
if (version.equals("1.1")) {
System.out.println("Actor is " + headerElement.getActor());
} else {
System.out.println("Role is " + headerElement.getRole());
}
System.out.println(
"mustUnderstand is "
+ headerElement.getMustUnderstand());
if (version.equals("1.2")) {
System.out.println("relay is " + headerElement.getRelay());
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
Running the file
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After creation of the Header1.java and Editing save it .
Run the file.Right Click and select run file in Header1.java
You will see the output as given below in fig 5.
Figure. 5
APIs used in this project
MessageFactory:- It is a factory for creating SOAPMessage objects
A MessageFactory object is created by newInstance () method in SAAJ client file. SOAPMessage:- It is the root class for all SOAP messages.
A SOAPMessage object consists of a SOAP part and optionally one or more attachment parts. The SOAP part for a SOAPMessage object is a SOAPPart object. SOAP part contains information used for message routing and identification. All data in the SOAP Part of a message must be in XML format. SOAPHeader:- SOAP Header is the optional Element. It contains data for application in XML form.For example, transaction semantics, authentication information, and so on, can be specified as the content of a SOAPHeader object SOAPBody :- It is the required Element of the SOAP.It has the main message contents in the XML form. Qname:- This classrepresents a qualified name as defined in the XML specifications SOAPHeaderElement:-Thisobject represents the contents in the SOAP header part of the SOAP envelope.It is used after SOAP Header.So the children of a SOAPHeader object can be represented only as SOAPHeaderElement objects. A SOAPHeaderElement object can have other SOAPElement objects as its children.
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