Any client application written for the Web Services API must perform certain basic functions. These include making a connection to the server, authenticating and creating a session, and closing the connection.
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vCenter Server Connections Establishing a Single Sign-On Session with a vCenter Server vCenter Single Sign On Programming Guide . LoginByToken to vCenter Server By Using C# LoginByToken method. LoginByToken to vCenter Server By Using Java LoginByTokenSample.java file contained in the vCenter Single Sign On SDK. The SDK contains Java code that supports HTTP and SOAP header manipulation. Establishing a Session with Username and Password Credentials Overview of a Java Sample Application for the Web Services SDK Accessing the vSphere Server from a Web Services Client Closing the Connection from a Web Services Client VimPort object again to close the connection. Always close your server connections to maintain security. Using the Java Samples as Reference SDK\vsphere-ws\java\JAX-WS\samples\com\vmware\vm\
VMPromoteDisks.java sample shows another implementation of the server connection. Review the stand-alone Java samples that are shipped with your vSphere Web Services SDK , and use similar code to get a session token for your client application. Multiple Versions of the vSphere API Java and C# Sample Applications in the Web Services SDK
